[cig-commits] r7510 - cs/cigma/branches/cigma-0.9/src

luis at geodynamics.org luis at geodynamics.org
Tue Jun 26 09:59:16 PDT 2007


Author: luis
Date: 2007-06-26 09:59:15 -0700 (Tue, 26 Jun 2007)
New Revision: 7510

Added:
   cs/cigma/branches/cigma-0.9/src/arg_dbl.c
   cs/cigma/branches/cigma-0.9/src/arg_end.c
   cs/cigma/branches/cigma-0.9/src/arg_file.c
   cs/cigma/branches/cigma-0.9/src/arg_int.c
   cs/cigma/branches/cigma-0.9/src/arg_lit.c
   cs/cigma/branches/cigma-0.9/src/arg_rem.c
   cs/cigma/branches/cigma-0.9/src/arg_str.c
   cs/cigma/branches/cigma-0.9/src/argtable2.c
   cs/cigma/branches/cigma-0.9/src/argtable2.h
Log:
darcs patch:
  * Added source files for argtable2 from http://argtable.sourceforge.net/



Added: cs/cigma/branches/cigma-0.9/src/arg_dbl.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/arg_dbl.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/arg_dbl.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,167 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#include "argtable2.h"
+
+/* local error codes */
+enum {EMINCOUNT=1,EMAXCOUNT,EBADDOUBLE};
+
+static void resetfn(struct arg_dbl *parent)
+    {
+    /*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
+    parent->count=0;
+    }
+
+static int scanfn(struct arg_dbl *parent, const char *argval)
+    {
+    int errorcode = 0;
+
+    if (parent->count == parent->hdr.maxcount)
+        {
+        /* maximum number of arguments exceeded */
+        errorcode = EMAXCOUNT;
+        }
+    else if (!argval)
+        {
+        /* a valid argument with no argument value was given. */
+        /* This happens when an optional argument value was invoked. */
+        /* leave parent arguiment value unaltered but still count the argument. */
+        parent->count++;
+        }
+    else
+        {
+        double val;
+        char *end;
+
+        /* extract double from argval into val */
+        val = strtod(argval,&end);
+
+        /* if success then store result in parent->dval[] array otherwise return error*/
+        if (*end==0)
+            parent->dval[parent->count++] = val;
+        else
+            errorcode = EBADDOUBLE;
+        }
+
+    /*printf("%s:scanfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+static int checkfn(struct arg_dbl *parent)
+    {
+    int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
+    /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+static void errorfn(struct arg_dbl *parent, FILE *fp, int errorcode, const char *argval, const char *progname)
+    {
+    const char *shortopts = parent->hdr.shortopts;
+    const char *longopts  = parent->hdr.longopts;
+    const char *datatype  = parent->hdr.datatype;
+
+    /* make argval NULL safe */
+    argval = argval ? argval : "";
+
+    fprintf(fp,"%s: ",progname);
+    switch(errorcode)
+        {
+        case EMINCOUNT:
+            fputs("missing option ",fp);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            break;
+
+        case EMAXCOUNT:
+            fputs("excess option ",fp);
+            arg_print_option(fp,shortopts,longopts,argval,"\n");
+            break;
+
+        case EBADDOUBLE:
+            fprintf(fp,"invalid argument \"%s\" to option ",argval);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            break;
+        }
+    }
+
+
+struct arg_dbl* arg_dbl0(const char* shortopts,
+                               const char* longopts,
+                               const char *datatype,
+                               const char *glossary)
+    {
+    return arg_dbln(shortopts,longopts,datatype,0,1,glossary);
+    }
+
+struct arg_dbl* arg_dbl1(const char* shortopts,
+                               const char* longopts,
+                               const char *datatype,
+                               const char *glossary)
+    {
+    return arg_dbln(shortopts,longopts,datatype,1,1,glossary);
+    }
+
+
+struct arg_dbl* arg_dbln(const char* shortopts,
+                               const char* longopts,
+                               const char *datatype,
+                               int mincount,
+                               int maxcount,
+                               const char *glossary)
+    {
+    size_t nbytes;
+    struct arg_dbl *result;
+
+    nbytes = sizeof(struct arg_dbl)     /* storage for struct arg_dbl */
+           + maxcount * sizeof(double);    /* storage for dval[maxcount] array */
+
+    result = (struct arg_dbl*)malloc(nbytes);
+    if (result)
+        {
+        /* init the arg_hdr struct */
+        result->hdr.flag      = ARG_HASVALUE;
+        result->hdr.shortopts = shortopts;
+        result->hdr.longopts  = longopts;
+        result->hdr.datatype  = datatype ? datatype : "<double>";
+        result->hdr.glossary  = glossary;
+        result->hdr.mincount  = mincount;
+        result->hdr.maxcount  = maxcount;
+        result->hdr.parent    = result;
+        result->hdr.resetfn   = (arg_resetfn*)resetfn;
+        result->hdr.scanfn    = (arg_scanfn*)scanfn;
+        result->hdr.checkfn   = (arg_checkfn*)checkfn;
+        result->hdr.errorfn   = (arg_errorfn*)errorfn;
+
+        /* store the dval[maxcount] array immediately after the arg_dbl struct */
+        result->dval  = (double*)(result+1);
+        result->count = 0;
+        }
+    /*printf("arg_dbln() returns %p\n",result);*/
+    return result;
+    }

Added: cs/cigma/branches/cigma-0.9/src/arg_end.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/arg_end.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/arg_end.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,124 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* #ifdef HAVE_STDLIB_H */
+#include <stdlib.h>
+/* #endif */
+
+#include "argtable2.h"
+
+static void resetfn(struct arg_end *parent)
+    {
+    /*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
+    parent->count = 0;
+    }
+
+static void errorfn(void *parent, FILE *fp, int error, const char *argval, const char *progname)
+    {
+    progname = progname ? progname : "";
+    argval = argval ? argval : "";
+
+    fprintf(fp,"%s: ",progname);
+    switch(error)
+        {
+        case ARG_ELIMIT:
+            fputs("too many errors to display",fp);
+            break;
+        case ARG_EMALLOC:
+            fputs("insufficent memory",fp);
+            break;
+        case ARG_ENOMATCH:
+            fprintf(fp,"unexpected argument \"%s\"",argval);
+            break;
+        case ARG_EMISSARG:
+            fprintf(fp,"option \"%s\" requires an argument",argval);
+            break;
+        case ARG_ELONGOPT:
+            fprintf(fp,"invalid option \"%s\"",argval);
+            break;
+        default:
+            fprintf(fp,"invalid option \"-%c\"",error);
+            break;
+        }
+    fputc('\n',fp);
+    }
+
+
+struct arg_end* arg_end(int maxcount)
+    {
+    size_t nbytes;
+    struct arg_end *result;
+
+    nbytes = sizeof(struct arg_end)
+           + maxcount * sizeof(int)             /* storage for int error[maxcount] array*/
+           + maxcount * sizeof(void*)           /* storage for void* parent[maxcount] array */
+           + maxcount * sizeof(char*);          /* storage for char* argval[maxcount] array */
+
+    result = (struct arg_end*)malloc(nbytes);
+    if (result)
+        {
+        /* init the arg_hdr struct */
+        result->hdr.flag      = ARG_TERMINATOR;
+        result->hdr.shortopts = NULL;
+        result->hdr.longopts  = NULL;
+        result->hdr.datatype  = NULL;
+        result->hdr.glossary  = NULL;
+        result->hdr.mincount  = 1;
+        result->hdr.maxcount  = maxcount;
+        result->hdr.parent    = result;
+        result->hdr.resetfn   = (arg_resetfn*)resetfn;
+        result->hdr.scanfn    = NULL;
+        result->hdr.checkfn   = NULL;
+        result->hdr.errorfn   = errorfn;
+
+        /* store error[maxcount] array immediately after struct arg_end */
+        result->error = (int*)(result+1);
+
+        /* store parent[maxcount] array immediately after error[] array */
+        result->parent = (void**)(result->error + maxcount );
+
+        /* store argval[maxcount] array immediately after parent[] array */
+        result->argval = (const char**)(result->parent + maxcount );
+        }
+
+    /*printf("arg_end(%d) returns %p\n",maxcount,result);*/
+    return result;
+    }
+
+
+void arg_print_errors(FILE* fp, struct arg_end* end, const char* progname)
+    {
+    int i;
+    /*printf("arg_errors()\n");*/
+    for (i=0; i<end->count; i++)
+        {
+        struct arg_hdr *errorparent = (struct arg_hdr *)(end->parent[i]);
+        if (errorparent->errorfn)
+            errorparent->errorfn(end->parent[i],fp,end->error[i],end->argval[i],progname);
+        }
+    }
+
+

Added: cs/cigma/branches/cigma-0.9/src/arg_file.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/arg_file.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/arg_file.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,199 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#include "argtable2.h"
+
+#ifdef WIN32
+# define FILESEPARATOR '\\'
+#else
+# define FILESEPARATOR '/'
+#endif
+
+/* local error codes */
+enum {EMINCOUNT=1,EMAXCOUNT};
+
+
+static void resetfn(struct arg_file *parent)
+    {
+    /*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
+    parent->count=0;
+    }
+
+
+/* Returns ptr to the base filename within *filename */
+static const char* arg_basename(const char *filename)
+    {
+    const char *result = (filename ? strrchr(filename,FILESEPARATOR) : NULL);
+    if (result)
+        result++;
+    else
+        result = filename;
+    return result;
+    }
+
+
+/* Returns ptr to the file extension within *filename */
+static const char* arg_extension(const char *filename)
+    {
+    const char *result = (filename ? strrchr(filename,'.') : NULL);
+    if (filename && !result)
+        result = filename+strlen(filename);
+    return result;
+    }
+
+
+static int scanfn(struct arg_file *parent, const char *argval)
+    {
+    int errorcode = 0;
+
+    if (parent->count == parent->hdr.maxcount)
+        {
+        /* maximum number of arguments exceeded */
+        errorcode = EMAXCOUNT;
+        }
+    else if (!argval)
+        {
+        /* a valid argument with no argument value was given. */
+        /* This happens when an optional argument value was invoked. */
+        /* leave parent arguiment value unaltered but still count the argument. */
+        parent->count++;
+        } 
+    else
+        {
+        parent->filename[parent->count]  = argval;
+        parent->basename[parent->count]  = arg_basename(argval);
+        parent->extension[parent->count] = arg_extension(argval);
+        parent->count++;
+        }
+
+    /*printf("%s:scanfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+
+static int checkfn(struct arg_file *parent)
+    {
+    int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
+    /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+
+static void errorfn(struct arg_file *parent, FILE *fp, int errorcode, const char *argval, const char *progname)
+    {
+    const char *shortopts = parent->hdr.shortopts;
+    const char *longopts  = parent->hdr.longopts;
+    const char *datatype  = parent->hdr.datatype;
+
+    /* make argval NULL safe */
+    argval = argval ? argval : "";
+
+    fprintf(fp,"%s: ",progname);
+    switch(errorcode)
+        {
+        case EMINCOUNT:
+            fputs("missing option ",fp);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            break;
+
+        case EMAXCOUNT:
+            fputs("excess option ",fp);
+            arg_print_option(fp,shortopts,longopts,argval,"\n");
+            break;
+
+        default:
+            fprintf(fp,"unknown error at \"%s\"\n",argval);
+        }
+    }
+
+
+struct arg_file* arg_file0(const char* shortopts,
+                           const char* longopts,
+                           const char *datatype,
+                           const char *glossary)
+    {
+    return arg_filen(shortopts,longopts,datatype,0,1,glossary);
+    }
+
+
+struct arg_file* arg_file1(const char* shortopts,
+                           const char* longopts,
+                           const char *datatype,
+                           const char *glossary)
+    {
+    return arg_filen(shortopts,longopts,datatype,1,1,glossary);
+    }
+
+
+struct arg_file* arg_filen(const char* shortopts,
+                           const char* longopts,
+                           const char *datatype,
+                           int mincount,
+                           int maxcount,
+                           const char *glossary)
+    {
+    size_t nbytes;
+    struct arg_file *result;
+
+    nbytes = sizeof(struct arg_file)     /* storage for struct arg_file */
+           + sizeof(char*) * maxcount    /* storage for filename[maxcount] array */
+           + sizeof(char*) * maxcount    /* storage for basename[maxcount] array */
+           + sizeof(char*) * maxcount;   /* storage for extension[maxcount] array */
+
+    result = (struct arg_file*)malloc(nbytes);
+    if (result)
+        {
+        /* init the arg_hdr struct */
+        result->hdr.flag      = ARG_HASVALUE;
+        result->hdr.shortopts = shortopts;
+        result->hdr.longopts  = longopts;
+        result->hdr.glossary  = glossary;
+        result->hdr.datatype  = datatype ? datatype : "<file>";
+        result->hdr.mincount  = mincount;
+        result->hdr.maxcount  = maxcount;
+        result->hdr.parent    = result;
+        result->hdr.resetfn   = (arg_resetfn*)resetfn;
+        result->hdr.scanfn    = (arg_scanfn*)scanfn;
+        result->hdr.checkfn   = (arg_checkfn*)checkfn;
+        result->hdr.errorfn   = (arg_errorfn*)errorfn;
+
+        /* store the filename,basename,extension arrays immediately after the arg_file struct */
+        result->filename  = (const char**)(result+1);
+        result->basename  = result->filename + maxcount;
+        result->extension = result->basename + maxcount;
+        result->count = 0;
+        }
+    /*printf("arg_filen() returns %p\n",result);*/
+    return result;
+    }

Added: cs/cigma/branches/cigma-0.9/src/arg_int.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/arg_int.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/arg_int.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,167 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* #ifdef HAVE_STDLIB_H */
+#include <stdlib.h>
+/* #endif */
+
+#include "argtable2.h"
+
+/* local error codes */
+enum {EMINCOUNT=1,EMAXCOUNT,EBADINT};
+
+static void resetfn(struct arg_int *parent)
+    {
+    /*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
+    parent->count=0;
+    }
+
+static int scanfn(struct arg_int *parent, const char *argval)
+    {
+    int errorcode = 0;
+
+    if (parent->count == parent->hdr.maxcount)
+        {
+        /* maximum number of arguments exceeded */
+        errorcode = EMAXCOUNT;
+        }
+    else if (!argval)
+        {
+        /* a valid argument with no argument value was given. */
+        /* This happens when an optional argument value was invoked. */
+        /* leave parent arguiment value unaltered but still count the argument. */
+        parent->count++;
+        }
+    else
+        {
+        int val;
+        char *end;
+
+        /* extract base10 integer from argval into val */
+        val = (int)strtol(argval,&end,10);
+       
+        /* if success then store result in parent->ival[] array otherwise return error*/
+        if (*end==0)
+            parent->ival[parent->count++] = val;
+        else
+            errorcode = EBADINT;
+        }
+
+    /* printf("%s:scanfn(%p,%p) returns %d\n",__FILE__,parent,argval,errorcode); */
+    return errorcode;
+    }
+
+static int checkfn(struct arg_int *parent)
+    {
+    int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
+    /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+static void errorfn(struct arg_int *parent, FILE *fp, int errorcode, const char *argval, const char *progname)
+    {
+    const char *shortopts = parent->hdr.shortopts;
+    const char *longopts  = parent->hdr.longopts;
+    const char *datatype  = parent->hdr.datatype;
+
+    /* make argval NULL safe */
+    argval = argval ? argval : "";
+
+    fprintf(fp,"%s: ",progname);
+    switch(errorcode)
+        {
+        case EMINCOUNT:
+            fputs("missing option ",fp);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            break;
+
+        case EMAXCOUNT:
+            fputs("excess option ",fp);
+            arg_print_option(fp,shortopts,longopts,argval,"\n");
+            break;
+
+        case EBADINT:
+            fprintf(fp,"invalid argument \"%s\" to option ",argval);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            break;
+        }
+    }
+
+
+struct arg_int* arg_int0(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         const char *glossary)
+    {
+    return arg_intn(shortopts,longopts,datatype,0,1,glossary);
+    }
+
+struct arg_int* arg_int1(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         const char *glossary)
+    {
+    return arg_intn(shortopts,longopts,datatype,1,1,glossary);
+    }
+
+
+struct arg_int* arg_intn(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         int mincount,
+                         int maxcount,
+                         const char *glossary)
+    {
+    size_t nbytes;
+    struct arg_int *result;
+
+    nbytes = sizeof(struct arg_int)     /* storage for struct arg_int */
+           + maxcount * sizeof(int);    /* storage for ival[maxcount] array */
+
+    result = (struct arg_int*)malloc(nbytes);
+    if (result)
+        {
+        /* init the arg_hdr struct */
+        result->hdr.flag      = ARG_HASVALUE;
+        result->hdr.shortopts = shortopts;
+        result->hdr.longopts  = longopts;
+        result->hdr.datatype  = datatype ? datatype : "<int>";
+        result->hdr.glossary  = glossary;
+        result->hdr.mincount  = mincount;
+        result->hdr.maxcount  = maxcount;
+        result->hdr.parent    = result;
+        result->hdr.resetfn   = (arg_resetfn*)resetfn;
+        result->hdr.scanfn    = (arg_scanfn*)scanfn;
+        result->hdr.checkfn   = (arg_checkfn*)checkfn;
+        result->hdr.errorfn   = (arg_errorfn*)errorfn;
+
+        /* store the ival[maxcount] array immediately after the arg_int struct */
+        result->ival  = (int*)(result+1);
+        result->count = 0;
+        }
+    /*printf("arg_intn() returns %p\n",result);*/
+    return result;
+    }

Added: cs/cigma/branches/cigma-0.9/src/arg_lit.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/arg_lit.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/arg_lit.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,120 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#include "argtable2.h"
+
+/* local error codes */
+enum {EMINCOUNT=1,EMAXCOUNT};
+
+static void resetfn(struct arg_lit *parent)
+    {
+    /*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
+    parent->count = 0;
+    }
+
+static int scanfn(struct arg_lit *parent, const char *argval)
+    {
+    int errorcode = 0;
+    if (parent->count < parent->hdr.maxcount )
+        parent->count++;
+    else
+        errorcode = EMAXCOUNT;
+    /*printf("%s:scanfn(%p,%s) returns %d\n",__FILE__,parent,argval,errorcode);*/
+    return errorcode;
+    }
+
+static int checkfn(struct arg_lit *parent)
+    {
+    int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
+    /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+static void errorfn(struct arg_lit *parent, FILE *fp, int errorcode, const char *argval, const char *progname)
+    {
+    const char *shortopts = parent->hdr.shortopts;
+    const char *longopts  = parent->hdr.longopts;
+    const char *datatype  = parent->hdr.datatype;
+
+    switch(errorcode)
+        {
+        case EMINCOUNT:
+            fprintf(fp,"%s: missing option ",progname);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            fprintf(fp,"\n");
+            break;
+
+        case EMAXCOUNT:
+            fprintf(fp,"%s: extraneous option ",progname);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            break;
+        }
+    }
+
+struct arg_lit* arg_lit0(const char* shortopts,
+                         const char* longopts,
+                         const char* glossary)
+    {return arg_litn(shortopts,longopts,0,1,glossary);}
+
+struct arg_lit* arg_lit1(const char* shortopts,
+                         const char* longopts,
+                         const char* glossary)
+    {return arg_litn(shortopts,longopts,1,1,glossary);}
+
+
+struct arg_lit* arg_litn(const char* shortopts,
+                         const char* longopts,
+                         int mincount,
+                         int maxcount,
+                         const char *glossary)
+    {
+    struct arg_lit *result = (struct arg_lit*)malloc(sizeof(struct arg_lit));
+    if (result)
+        {
+        /* init the arg_hdr struct */
+        result->hdr.flag      = 0;
+        result->hdr.shortopts = shortopts;
+        result->hdr.longopts  = longopts;
+        result->hdr.datatype  = NULL;
+        result->hdr.glossary  = glossary;
+        result->hdr.mincount  = mincount;
+        result->hdr.maxcount  = maxcount;
+        result->hdr.parent    = result;
+        result->hdr.resetfn   = (arg_resetfn*)resetfn;
+        result->hdr.scanfn    = (arg_scanfn*)scanfn;
+        result->hdr.checkfn   = (arg_checkfn*)checkfn;
+        result->hdr.errorfn   = (arg_errorfn*)errorfn;
+
+        /* init local variables */
+        result->count = 0;
+        }
+    /*printf("arg_litn() returns %p\n",result);*/
+    return result;
+    }

Added: cs/cigma/branches/cigma-0.9/src/arg_rem.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/arg_rem.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/arg_rem.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,55 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/*#ifdef HAVE_STDLIB_H*/
+#include <stdlib.h>
+/*#endif*/
+
+#include "argtable2.h"
+
+struct arg_rem* arg_rem(const char *datatype,
+                        const char *glossary)
+    {
+    struct arg_rem *result = (struct arg_rem*)malloc(sizeof(struct arg_rem));
+    if (result)
+        {
+        /* init the arg_hdr struct */
+        result->hdr.flag      = 0;
+        result->hdr.shortopts = NULL;
+        result->hdr.longopts  = NULL;
+        result->hdr.datatype  = datatype;
+        result->hdr.glossary  = glossary;
+        result->hdr.mincount  = 1;
+        result->hdr.maxcount  = 1;
+        result->hdr.parent    = result;
+        result->hdr.resetfn   = NULL;
+        result->hdr.scanfn    = NULL;
+        result->hdr.checkfn   = NULL;
+        result->hdr.errorfn   = NULL;
+        }
+    /*printf("arg_rem() returns %p\n",result);*/
+    return result;
+    }

Added: cs/cigma/branches/cigma-0.9/src/arg_str.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/arg_str.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/arg_str.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,152 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#include "argtable2.h"
+
+/* local error codes */
+enum {EMINCOUNT=1,EMAXCOUNT};
+
+static void resetfn(struct arg_str *parent)
+    {
+    /*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
+    parent->count=0;
+    }
+
+static int scanfn(struct arg_str *parent, const char *argval)
+    {
+    int errorcode = 0;
+
+    if (parent->count == parent->hdr.maxcount)
+        {
+        /* maximum number of arguments exceeded */
+        errorcode = EMAXCOUNT;
+        }
+    else if (!argval)
+        {
+        /* a valid argument with no argument value was given. */
+        /* This happens when an optional argument value was invoked. */
+        /* leave parent arguiment value unaltered but still count the argument. */
+        parent->count++;
+        }
+    else
+        {
+        parent->sval[parent->count++] = argval;
+        }
+
+    /*printf("%s:scanfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+static int checkfn(struct arg_str *parent)
+    {
+    int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
+    /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
+    return errorcode;
+    }
+
+static void errorfn(struct arg_str *parent, FILE *fp, int errorcode, const char *argval, const char *progname)
+    {
+    const char *shortopts = parent->hdr.shortopts;
+    const char *longopts  = parent->hdr.longopts;
+    const char *datatype  = parent->hdr.datatype;
+
+    /* make argval NULL safe */
+    argval = argval ? argval : "";
+
+    fprintf(fp,"%s: ",progname);
+    switch(errorcode)
+        {
+        case EMINCOUNT:
+            fputs("missing option ",fp);
+            arg_print_option(fp,shortopts,longopts,datatype,"\n");
+            break;
+
+        case EMAXCOUNT:
+            fputs("excess option ",fp);
+            arg_print_option(fp,shortopts,longopts,argval,"\n");
+            break;
+        }
+    }
+
+
+struct arg_str* arg_str0(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         const char *glossary)
+    {
+    return arg_strn(shortopts,longopts,datatype,0,1,glossary);
+    }
+
+struct arg_str* arg_str1(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         const char *glossary)
+    {
+    return arg_strn(shortopts,longopts,datatype,1,1,glossary);
+    }
+
+
+struct arg_str* arg_strn(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         int mincount,
+                         int maxcount,
+                         const char *glossary)
+    {
+    size_t nbytes;
+    struct arg_str *result;
+
+    nbytes = sizeof(struct arg_str)     /* storage for struct arg_str */
+           + maxcount * sizeof(char*);  /* storage for sval[maxcount] array */
+
+    result = (struct arg_str*)malloc(nbytes);
+    if (result)
+        {
+        /* init the arg_hdr struct */
+        result->hdr.flag      = ARG_HASVALUE;
+        result->hdr.shortopts = shortopts;
+        result->hdr.longopts  = longopts;
+        result->hdr.datatype  = datatype ? datatype : "<string>";
+        result->hdr.glossary  = glossary;
+        result->hdr.mincount  = mincount;
+        result->hdr.maxcount  = maxcount;
+        result->hdr.parent    = result;
+        result->hdr.resetfn   = (arg_resetfn*)resetfn;
+        result->hdr.scanfn    = (arg_scanfn*)scanfn;
+        result->hdr.checkfn   = (arg_checkfn*)checkfn;
+        result->hdr.errorfn   = (arg_errorfn*)errorfn;
+
+        /* store the sval[maxcount] array immediately after the arg_str struct */
+        result->sval  = (const char**)(result+1);
+        result->count = 0;
+        }
+    /*printf("arg_strn() returns %p\n",result);*/
+    return result;
+    }

Added: cs/cigma/branches/cigma-0.9/src/argtable2.c
===================================================================
--- cs/cigma/branches/cigma-0.9/src/argtable2.c	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/argtable2.c	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,1125 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+
+/* config.h must be included before anything else */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#endif
+
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+#include "./getopt.h"
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "argtable2.h"
+#include "./getopt.h"
+
+static
+void arg_register_error(struct arg_end *end, void *parent, int error, const char *argval)
+    {
+    /* printf("arg_register_error(%p,%p,%d,%s)\n",end,parent,error,argval); */
+    if (end->count < end->hdr.maxcount)
+        {
+        end->error[end->count] = error;
+        end->parent[end->count] = parent;
+        end->argval[end->count] = argval;
+        end->count++;
+        }
+    else
+        {
+        end->error[end->hdr.maxcount-1]  = ARG_ELIMIT;
+        end->parent[end->hdr.maxcount-1] = end;
+        end->argval[end->hdr.maxcount-1] = NULL;
+        }
+    }
+
+
+/*
+ * Return index of first table entry with a matching short option
+ * or -1 if no match was found.
+ */
+static
+int find_shortoption(struct arg_hdr **table, char shortopt)
+    {
+    int tabindex;
+    for(tabindex=0; !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+        {
+        if (table[tabindex]->shortopts && strchr(table[tabindex]->shortopts,shortopt))
+            return tabindex;
+        }
+    return -1;
+    }
+
+
+struct longoptions
+    {
+    int getoptval;
+    int noptions;
+    struct option *options;
+    };
+
+#ifndef NDEBUG
+static
+void dump_longoptions(struct longoptions* longoptions)
+    {
+    int i;
+    printf("getoptval = %d\n", longoptions->getoptval);
+    printf("noptions  = %d\n", longoptions->noptions);
+    for (i=0; i<longoptions->noptions; i++)
+        {
+        printf("options[%d].name    = \"%s\"\n", i, longoptions->options[i].name);
+        printf("options[%d].has_arg = %d\n", i, longoptions->options[i].has_arg);
+        printf("options[%d].flag    = %p\n", i, longoptions->options[i].flag);
+        printf("options[%d].val     = %d\n", i, longoptions->options[i].val);
+        }
+    }
+#endif
+
+static
+struct longoptions* alloc_longoptions(struct arg_hdr **table)
+    {
+    struct longoptions *result;
+    size_t nbytes;
+    int noptions = 1;
+    size_t longoptlen = 0;
+    int tabindex;
+
+    /*
+     * Determine the total number of option structs required
+     * by counting the number of comma separated long options
+     * in all table entries and return the count in noptions.
+     * note: noptions starts at 1 not 0 because we getoptlong
+     * requires a NULL option entry to terminate the option array.
+     * While we are at it, count the number of chars required
+     * to store private copies of all the longoption strings
+     * and return that count in logoptlen.
+     */
+     tabindex=0;
+     do
+        {
+        const char *longopts = table[tabindex]->longopts;
+        longoptlen += (longopts?strlen(longopts):0) + 1;
+        while (longopts)
+            {
+            noptions++;
+            longopts = strchr(longopts+1,',');
+            }
+        }while(!(table[tabindex++]->flag&ARG_TERMINATOR));
+    /*printf("%d long options consuming %d chars in total\n",noptions,longoptlen);*/
+
+
+    /* allocate storage for return data structure as: */
+    /* (struct longoptions) + (struct options)[noptions] + char[longoptlen] */
+    nbytes = sizeof(struct longoptions)
+           + sizeof(struct option)*noptions
+           + longoptlen;
+    result = (struct longoptions*)malloc(nbytes);
+    if (result)
+        {
+        int option_index=0;
+        char *store;
+
+        result->getoptval=0;
+        result->noptions = noptions;
+        result->options = (struct option*)(result + 1);
+        store = (char*)(result->options + noptions);
+
+        for(tabindex=0; !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+            {
+            const char *longopts = table[tabindex]->longopts;
+
+            while(longopts && *longopts)
+                {
+                char *storestart = store;
+
+                /* copy progressive longopt strings into the store */
+                while (*longopts!=0 && *longopts!=',')
+                    *store++ = *longopts++;
+                *store++ = 0;
+                if (*longopts==',')
+                    longopts++;
+                /*fprintf(stderr,"storestart=\"%s\"\n",storestart);*/
+
+                result->options[option_index].name    = storestart;
+                result->options[option_index].flag    = &(result->getoptval);
+                result->options[option_index].val     = tabindex;
+                if (table[tabindex]->flag & ARG_HASOPTVALUE)
+                    result->options[option_index].has_arg = 2;
+                else if (table[tabindex]->flag & ARG_HASVALUE)
+                    result->options[option_index].has_arg = 1;
+                else
+                    result->options[option_index].has_arg = 0;
+
+                option_index++;
+                }
+            }
+        /* terminate the options array with a zero-filled entry */
+        result->options[option_index].name    = 0;
+        result->options[option_index].has_arg = 0;
+        result->options[option_index].flag    = 0;
+        result->options[option_index].val     = 0;
+        }
+
+    /*dump_longoptions(result);*/
+    return result;
+    }
+
+static
+char* alloc_shortoptions(struct arg_hdr **table)
+   {
+   char *result;
+   size_t len = 2;
+   int tabindex;
+
+   /* determine the total number of option chars required */
+   for(tabindex=0; !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+       {
+       struct arg_hdr *hdr = table[tabindex];
+       len += 3 * (hdr->shortopts?strlen(hdr->shortopts):0);
+       }
+
+   result = malloc(len);
+   if (result)
+        {
+        char *res = result;
+
+        /* add a leading ':' so getopt return codes distinguish    */
+        /* unrecognised option and options missing argument values */
+        *res++=':';
+
+        for(tabindex=0; !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+            {
+            struct arg_hdr *hdr = table[tabindex];
+            const char *shortopts = hdr->shortopts;
+            while(shortopts && *shortopts)
+                {
+                *res++ = *shortopts++;
+                if (hdr->flag & ARG_HASVALUE)
+                    *res++=':';
+                if (hdr->flag & ARG_HASOPTVALUE)
+                    *res++=':';
+                }
+            }
+        /* null terminate the string */
+        *res=0;
+        }
+
+   /*printf("alloc_shortoptions() returns \"%s\"\n",(result?result:"NULL"));*/
+   return result;
+   }
+
+
+/* return index of the table terminator entry */
+static
+int arg_endindex(struct arg_hdr **table)
+    {
+    int tabindex=0;
+    while (!(table[tabindex]->flag&ARG_TERMINATOR))
+        tabindex++;
+    return tabindex;
+    }
+
+
+static
+void arg_parse_tagged(int argc, char **argv, struct arg_hdr **table, struct arg_end *endtable)
+    {
+    struct longoptions *longoptions;
+    char *shortoptions;
+    int copt;
+
+    /*printf("arg_parse_tagged(%d,%p,%p,%p)\n",argc,argv,table,endtable);*/
+
+    /* allocate short and long option arrays for the given opttable[].   */
+    /* if the allocs fail then put an error msg in the last table entry. */
+    longoptions  = alloc_longoptions(table);
+    shortoptions = alloc_shortoptions(table);
+    if (!longoptions || !shortoptions)
+        {
+        /* one or both memory allocs failed */
+        arg_register_error(endtable,endtable,ARG_EMALLOC,NULL);
+        /* free anything that was allocated (this is null safe) */
+        free(shortoptions);
+        free(longoptions);
+        return;
+        }
+
+    /*dump_longoptions(longoptions);*/
+
+    /* reset getopts internal option-index to zero, and disable error reporting */
+    optind = 0;
+    opterr = 0;
+
+    /* fetch and process args using getopt_long */
+    while( (copt=getopt_long(argc,argv,shortoptions,longoptions->options,NULL)) != -1)
+        {
+        /*
+        printf("optarg='%s'\n",optarg);
+        printf("optind=%d\n",optind);
+        printf("copt=%c\n",(char)copt);
+        printf("optopt=%c (%d)\n",optopt, (int)(optopt));
+        */
+        switch(copt)
+            {
+            case 0:
+                {
+                int tabindex = longoptions->getoptval;
+                void *parent  = table[tabindex]->parent;
+                /*printf("long option detected from argtable[%d]\n", tabindex);*/
+                if (optarg && optarg[0]==0 && (table[tabindex]->flag & ARG_HASVALUE))
+                    {
+                    printf(": long option %s requires an argument\n",argv[optind-1]);
+                    arg_register_error(endtable,endtable,ARG_EMISSARG,argv[optind-1]);
+                    }
+                else if (table[tabindex]->scanfn)
+                    {
+                    int errorcode = table[tabindex]->scanfn(parent,optarg);
+                    if (errorcode!=0)
+                        arg_register_error(endtable,parent,errorcode,optarg);
+                    }
+                }
+                break;
+
+            case '?':
+                /*
+                * getarg_long() found an unrecognised short option.
+                * if it was a short option its value is in optopt
+                * if it was a long option then optopt=0
+                */
+                switch (optopt)
+                    {
+                    case 0:
+                        /*printf("?0 unrecognised long option %s\n",argv[optind-1]);*/
+                        arg_register_error(endtable,endtable,ARG_ELONGOPT,argv[optind-1]);
+                        break;
+                    default:
+                        /*printf("?* unrecognised short option '%c'\n",optopt);*/
+                        arg_register_error(endtable,endtable,optopt,NULL);
+                        break;
+                    }
+                break;
+
+            case':':
+                /*
+                * getarg_long() found an option with its argument missing
+                */
+                printf(": option %s requires an argument\n",argv[optind-1]);
+                arg_register_error(endtable,endtable,ARG_EMISSARG,argv[optind-1]);
+                break;
+
+            default:
+                {
+                /* getopt_long() found a valid short option */
+                int tabindex = find_shortoption(table,(char)copt);
+                /*printf("short option detected from argtable[%d]\n", tabindex);*/
+                if (tabindex==-1)
+                    {
+                    /* should never get here - but handle it just in case */
+                    /*printf("unrecognised short option %d\n",copt);*/
+                    arg_register_error(endtable,endtable,copt,NULL);
+                    }
+                else
+                    {
+                    if (table[tabindex]->scanfn)
+                        {
+                        void *parent  = table[tabindex]->parent;
+                        int errorcode = table[tabindex]->scanfn(parent,optarg);
+                        if (errorcode!=0)
+                            arg_register_error(endtable,parent,errorcode,optarg);
+                        }
+                    }
+                break;
+                }
+            }
+        }
+
+    free(shortoptions);
+    free(longoptions);
+    }
+
+
+static
+void arg_parse_untagged(int argc, char **argv, struct arg_hdr **table, struct arg_end *endtable)
+    {
+    int tabindex=0;
+    int errorlast=0;
+    const char *optarglast = NULL;
+    void *parentlast = NULL;
+
+    /*printf("arg_parse_untagged(%d,%p,%p,%p)\n",argc,argv,table,endtable);*/
+    while (!(table[tabindex]->flag&ARG_TERMINATOR))
+        {
+        void *parent;
+        int errorcode;
+
+        /* if we have exhausted our argv[optind] entries then we have finished */
+        if (optind>=argc)
+            {
+            /*printf("arg_parse_untagged(): argv[] exhausted\n");*/
+            return;
+            }
+
+        /* skip table entries with non-null long or short options (they are not untagged entries) */
+        if (table[tabindex]->longopts || table[tabindex]->shortopts)
+            {
+            /*printf("arg_parse_untagged(): skipping argtable[%d] (tagged argument)\n",tabindex);*/
+            tabindex++;
+            continue;
+            }
+
+        /* skip table entries with NULL scanfn */
+        if (!(table[tabindex]->scanfn))
+            {
+            /*printf("arg_parse_untagged(): skipping argtable[%d] (NULL scanfn)\n",tabindex);*/
+            tabindex++;
+            continue;
+            }
+
+        /* attempt to scan the current argv[optind] with the current     */
+        /* table[tabindex] entry. If it succeeds then keep it, otherwise */
+        /* try again with the next table[] entry.                        */
+        parent = table[tabindex]->parent;
+        errorcode = table[tabindex]->scanfn(parent,argv[optind]);
+        if (errorcode==0)
+            {
+            /* success, move onto next argv[optind] but stay with same table[tabindex] */
+            /*printf("arg_parse_untagged(): argtable[%d] successfully matched\n",tabindex);*/
+            optind++;
+
+            /* clear the last tentative error */
+            errorlast = 0;
+            }
+        else
+            {
+            /* failure, try same argv[optind] with next table[tabindex] entry */
+            /*printf("arg_parse_untagged(): argtable[%d] failed match\n",tabindex);*/
+            tabindex++;
+
+            /* remember this as a tentative error we may wish to reinstate later */
+            errorlast = errorcode;
+            optarglast = argv[optind];
+            parentlast = parent;
+            }
+
+        }
+
+    /* if a tenative error still remains at this point then register it as a proper error */
+    if (errorlast)
+        {
+        arg_register_error(endtable,parentlast,errorlast,optarglast);
+        optind++;
+        }
+
+    /* only get here when not all argv[] entries were consumed */
+    /* register an error for each unused argv[] entry */
+    while (optind<argc)
+        {
+        /*printf("arg_parse_untagged(): argv[%d]=\"%s\" not consumed\n",optind,argv[optind]);*/
+        arg_register_error(endtable,endtable,ARG_ENOMATCH,argv[optind++]);
+        }
+
+    return;
+    }
+
+
+static
+void arg_parse_check(struct arg_hdr **table, struct arg_end *endtable)
+    {
+    int tabindex=0;
+    do
+        {
+        if (table[tabindex]->checkfn)
+            {
+            void *parent  = table[tabindex]->parent;
+            int errorcode = table[tabindex]->checkfn(parent);
+            if (errorcode!=0)
+                arg_register_error(endtable,parent,errorcode,NULL);
+            }
+        }while(!(table[tabindex++]->flag&ARG_TERMINATOR));
+    }
+
+
+static
+void arg_reset(void **argtable)
+    {
+    struct arg_hdr **table=(struct arg_hdr**)argtable;
+    int tabindex=0;
+    /*printf("arg_reset(%p)\n",argtable);*/
+    do
+        {
+        if (table[tabindex]->resetfn)
+            table[tabindex]->resetfn(table[tabindex]->parent);
+        } while(!(table[tabindex++]->flag&ARG_TERMINATOR));
+    }
+
+    
+int arg_parse(int argc, char **argv, void **argtable)
+    {
+    struct arg_hdr **table = (struct arg_hdr **)argtable;
+    struct arg_end *endtable;
+    int endindex;
+    char **argvcopy = NULL;
+
+    /*printf("arg_parse(%d,%p,%p)\n",argc,argv,argtable);*/
+
+    /* reset any argtable data from previous invocations */
+    arg_reset(argtable);
+
+    /* locate the first end-of-table marker within the array */
+    endindex = arg_endindex(table);
+    endtable = (struct arg_end*)table[endindex];
+
+    /* alloc space for a local copy of argv[] */
+    argvcopy = malloc(sizeof(char *) * argc);
+    if (argvcopy)
+        {
+        int i;
+
+        /*
+        Fill in the local copy of argv[]. We need a local copy
+        because getopt rearranges argv[] which adversely affects
+        susbsequent parsing attempts.
+        */
+        for (i=0; i<argc; i++)
+           argvcopy[i] = argv[i];
+
+        /* parse the command line (local copy) for tagged options */
+        arg_parse_tagged(argc,argvcopy,table,endtable);
+
+        /* parse the command line (local copy) for untagged options */
+        arg_parse_untagged(argc,argvcopy,table,endtable);
+
+        /* if no errors so far then perform post-parse checks otherwise dont bother */
+        if (endtable->count==0)
+            arg_parse_check(table,endtable);
+
+        /* release the local copt of argv[] */
+        free(argvcopy);
+        }
+    else
+        {
+        /* memory alloc failed */
+        arg_register_error(endtable,endtable,ARG_EMALLOC,NULL);
+        }
+
+    return endtable->count;
+    }
+
+
+/*
+ * Concatenate contents of src[] string onto *pdest[] string.
+ * The *pdest pointer is altered to point to the end of the
+ * target string and *pndest is decremented by the same number
+ * of chars.
+ * Does not append more than *pndest chars into *pdest[]
+ * so as to prevent buffer overruns.
+ * Its something like strncat() but more efficient for repeated
+ * calls on the same destination string.
+ * Example of use:
+ *   char dest[30] = "good"
+ *   size_t ndest = sizeof(dest);
+ *   char *pdest = dest;
+ *   arg_char(&pdest,"bye ",&ndest);
+ *   arg_char(&pdest,"cruel ",&ndest);
+ *   arg_char(&pdest,"world!",&ndest);
+ * Results in:
+ *   dest[] == "goodbye cruel world!"
+ *   ndest  == 10
+ */
+static
+void arg_cat(char **pdest, const char *src, size_t *pndest)
+    {
+    char *dest = *pdest;
+    char *end  = dest + *pndest;
+
+    /*locate null terminator of dest string */
+    while(dest<end && *dest!=0)
+        dest++;
+
+    /* concat src string to dest string */
+    while(dest<end && *src!=0)
+        *dest++ = *src++;
+
+    /* null terminate dest string */
+    *dest=0;
+
+    /* update *pdest and *pndest */
+    *pndest = end - dest;
+    *pdest  = dest;
+    }
+
+
+static
+void arg_cat_option(char *dest, size_t ndest, const char *shortopts, const char *longopts, const char *datatype, int optvalue)
+    {
+    if (shortopts)
+        {
+        char option[3];
+        
+        /* note: option array[] is initialiazed dynamically here to satisfy   */
+        /* a deficiency in the watcom compiler wrt static array initializers. */
+        option[0] = '-';
+        option[1] = shortopts[0];
+        option[2] = 0;
+        
+        arg_cat(&dest,option,&ndest);
+        if (datatype)
+            {
+            arg_cat(&dest," ",&ndest);
+            if (optvalue)
+                {
+                arg_cat(&dest,"[",&ndest);
+                arg_cat(&dest,datatype,&ndest);
+                arg_cat(&dest,"]",&ndest);
+                }
+            else
+                arg_cat(&dest,datatype,&ndest);
+            }
+        }
+    else if (longopts)
+        {
+        size_t ncspn;
+
+        /* add "--" tag prefix */
+        arg_cat(&dest,"--",&ndest);
+
+        /* add comma separated option tag */
+        ncspn = strcspn(longopts,",");
+        strncat(dest,longopts,(ncspn<ndest)?ncspn:ndest);
+
+        if (datatype)
+            {
+            arg_cat(&dest,"=",&ndest);
+            if (optvalue)
+                {
+                arg_cat(&dest,"[",&ndest);
+                arg_cat(&dest,datatype,&ndest);
+                arg_cat(&dest,"]",&ndest);
+                }
+            else
+                arg_cat(&dest,datatype,&ndest);
+            }
+        }
+    else if (datatype)
+        {
+        if (optvalue)
+            {
+            arg_cat(&dest,"[",&ndest);
+            arg_cat(&dest,datatype,&ndest);
+            arg_cat(&dest,"]",&ndest);
+            }
+        else
+            arg_cat(&dest,datatype,&ndest);
+        }
+    }
+
+static
+void arg_cat_optionv(char *dest, size_t ndest, const char *shortopts, const char *longopts, const char *datatype,  int optvalue, const char *separator)
+    {
+    separator = separator ? separator : "";
+
+    if (shortopts)
+        {
+        const char *c = shortopts;
+        while(*c)
+            {
+            /* "-a|-b|-c" */
+            char shortopt[3];
+        
+            /* note: shortopt array[] is initialiazed dynamically here to satisfy */
+            /* a deficiency in the watcom compiler wrt static array initializers. */
+            shortopt[0]='-';
+            shortopt[1]=*c;
+            shortopt[2]=0;
+            
+            arg_cat(&dest,shortopt,&ndest);
+            if (*++c)
+                arg_cat(&dest,separator,&ndest);
+            }
+        }
+
+    /* put separator between long opts and short opts */
+    if (shortopts && longopts)
+        arg_cat(&dest,separator,&ndest);
+
+    if (longopts)
+        {
+        const char *c = longopts;
+        while(*c)
+            {
+            size_t ncspn;
+
+            /* add "--" tag prefix */
+            arg_cat(&dest,"--",&ndest);
+
+            /* add comma separated option tag */
+            ncspn = strcspn(c,",");
+            strncat(dest,c,(ncspn<ndest)?ncspn:ndest);
+            c+=ncspn;
+
+            /* add given separator in place of comma */
+            if (*c==',')
+                 {
+                 arg_cat(&dest,separator,&ndest);
+                 c++;
+                 }
+            }
+        }
+
+    if (datatype)
+        {
+        if (longopts)
+            arg_cat(&dest,"=",&ndest);
+        else if (shortopts)
+            arg_cat(&dest," ",&ndest);
+
+        if (optvalue)
+            {
+            arg_cat(&dest,"[",&ndest);
+            arg_cat(&dest,datatype,&ndest);
+            arg_cat(&dest,"]",&ndest);
+            }
+        else
+            arg_cat(&dest,datatype,&ndest);
+        }
+    }
+
+
+/* this function should be deprecated because it doesnt consider optional argument values (ARG_HASOPTVALUE) */
+void arg_print_option(FILE *fp, const char *shortopts, const char *longopts, const char *datatype, const char *suffix)
+    {
+    char syntax[200]="";
+    suffix = suffix ? suffix : "";
+
+    /* there is no way of passing the proper optvalue for optional argument values here, so we must ignore it */
+    arg_cat_optionv(syntax,sizeof(syntax),shortopts,longopts,datatype,0,"|");
+
+    fputs(syntax,fp);
+    fputs(suffix,fp);
+    }
+
+
+/*
+ * Print a GNU style [OPTION] string in which all short options that
+ * do not take argument values are presented in abbreviated form, as
+ * in: -xvfsd, or -xvf[sd], or [-xvsfd]
+ */
+static
+void arg_print_gnuswitch(FILE *fp, struct arg_hdr **table)
+    {
+    int tabindex;
+    char *format1=" -%c";
+    char *format2=" [-%c";
+    char *suffix="";
+
+    /* print all mandatory switches that are without argument values */
+    for(tabindex=0; table[tabindex] && !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+        {
+        /* skip optional options */
+        if (table[tabindex]->mincount<1)
+            continue;
+
+        /* skip non-short options */
+        if (table[tabindex]->shortopts==NULL)
+            continue;
+
+        /* skip options that take argument values */
+        if (table[tabindex]->flag&ARG_HASVALUE)
+            continue;
+
+        /* print the short option (only the first short option char, ignore multiple choices)*/
+        fprintf(fp,format1,table[tabindex]->shortopts[0]);
+        format1="%c";
+        format2="[%c";
+        }
+
+    /* print all optional switches that are without argument values */
+    for(tabindex=0; table[tabindex] && !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+        {
+        /* skip mandatory args */
+        if (table[tabindex]->mincount>0)
+            continue;
+
+        /* skip args without short options */
+        if (table[tabindex]->shortopts==NULL)
+            continue;
+
+        /* skip args with values */
+        if (table[tabindex]->flag&ARG_HASVALUE)
+            continue;
+
+        /* print first short option */
+        fprintf(fp,format2,table[tabindex]->shortopts[0]);
+        format2="%c";
+        suffix="]";
+        }
+
+    fprintf(fp,suffix);
+    }
+
+
+void arg_print_syntax(FILE *fp, void **argtable, const char *suffix)
+    {
+    struct arg_hdr **table = (struct arg_hdr**)argtable;
+    int i,tabindex;
+
+    /* print GNU style [OPTION] string */
+    arg_print_gnuswitch(fp, table);
+
+    /* print remaining options in abbreviated style */
+    for(tabindex=0; table[tabindex] && !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+        {
+        char syntax[200]="";
+        const char *shortopts, *longopts, *datatype;
+
+        /* skip short options without arg values (they were printed by arg_print_gnu_switch) */
+        if (table[tabindex]->shortopts && !(table[tabindex]->flag&ARG_HASVALUE))
+            continue;
+
+        shortopts = table[tabindex]->shortopts;
+        longopts  = table[tabindex]->longopts;
+        datatype  = table[tabindex]->datatype;
+        arg_cat_option(syntax,sizeof(syntax),shortopts,longopts,datatype, table[tabindex]->flag&ARG_HASOPTVALUE);
+
+        if (strlen(syntax)>0)
+            {
+            /* print mandatory instances of this option */
+            for (i=0; i<table[tabindex]->mincount; i++)
+                fprintf(fp, " %s",syntax);
+
+            /* print optional instances enclosed in "[..]" */
+            switch ( table[tabindex]->maxcount - table[tabindex]->mincount )
+                {
+                case 0:
+                    break;
+                case 1:
+                    fprintf(fp, " [%s]",syntax);
+                    break;
+                case 2:
+                    fprintf(fp, " [%s] [%s]",syntax,syntax);
+                    break;
+                default:
+                    fprintf(fp, " [%s]...",syntax);
+                    break;
+                }
+            }
+        }
+
+    if (suffix)
+        fprintf(fp, "%s",suffix);
+    }
+
+
+void arg_print_syntaxv(FILE *fp, void **argtable, const char *suffix)
+    {
+    struct arg_hdr **table = (struct arg_hdr**)argtable;
+    int i,tabindex;
+
+    /* print remaining options in abbreviated style */
+    for(tabindex=0; table[tabindex] && !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+        {
+        char syntax[200]="";
+        const char *shortopts, *longopts, *datatype;
+
+        shortopts = table[tabindex]->shortopts;
+        longopts  = table[tabindex]->longopts;
+        datatype  = table[tabindex]->datatype;
+        arg_cat_optionv(syntax,sizeof(syntax),shortopts,longopts,datatype,table[tabindex]->flag&ARG_HASOPTVALUE, "|");
+
+        /* print mandatory options */
+        for (i=0; i<table[tabindex]->mincount; i++)
+            fprintf(fp," %s",syntax);
+
+        /* print optional args enclosed in "[..]" */
+        switch ( table[tabindex]->maxcount - table[tabindex]->mincount )
+            {
+            case 0:
+                break;
+            case 1:
+                fprintf(fp, " [%s]",syntax);
+                break;
+            case 2:
+                fprintf(fp, " [%s] [%s]",syntax,syntax);
+                break;
+            default:
+                fprintf(fp, " [%s]...",syntax);
+                break;
+            }
+        }
+
+    if (suffix)
+        fprintf(fp,"%s",suffix);
+    }
+
+
+void arg_print_glossary(FILE *fp, void **argtable, const char *format)
+    {
+    struct arg_hdr **table = (struct arg_hdr**)argtable;
+    int tabindex;
+
+    format = format ? format : "  %-20s %s\n";
+    for(tabindex=0; !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+        {
+        if (table[tabindex]->glossary)
+            {
+            char syntax[200]="";
+            const char *shortopts = table[tabindex]->shortopts;
+            const char *longopts  = table[tabindex]->longopts;
+            const char *datatype  = table[tabindex]->datatype;
+            const char *glossary  = table[tabindex]->glossary;
+            arg_cat_optionv(syntax,sizeof(syntax),shortopts,longopts,datatype,table[tabindex]->flag&ARG_HASOPTVALUE,", ");
+            fprintf(fp,format,syntax,glossary);
+            }
+        }
+    }
+
+
+/**
+ * Print a piece of text formatted, which means in a column with a
+ * left and a right margin. The lines are wrapped at whitspaces next
+ * to right margin. The function does not indent the first line, but
+ * only the following ones.
+ *
+ * Example:
+ * arg_print_formatted( fp, 0, 5, "Some text that doesn't fit." )
+ * will result in the following output:
+ *
+ * Some
+ * text
+ * that
+ * doesn'
+ * t fit.
+ *
+ * Too long lines will be wrapped in the middle of a word.
+ *
+ * arg_print_formatted( fp, 2, 7, "Some text that doesn't fit." )
+ * will result in the following output:
+ *
+ * Some
+ *   text
+ *   that
+ *   doesn'
+ *   t fit.
+ *
+ * As you see, the first line is not indented. This enables output of
+ * lines, which start in a line where output already happened.
+ *
+ * Author: Uli Fouquet
+ */
+static
+void arg_print_formatted( FILE *fp, const unsigned lmargin, const unsigned rmargin, const char *text )
+    {
+    const unsigned textlen = strlen( text );
+    unsigned line_start = 0;
+    unsigned line_end = textlen + 1;
+    const unsigned colwidth = (rmargin - lmargin) + 1;
+
+    /* Someone doesn't like us... */
+    if ( line_end < line_start )
+        { fprintf( fp, "%s\n", text ); }
+
+    while (line_end-1 > line_start ) 
+        {
+        /* Eat leading whitespaces. This is essential because while
+           wrapping lines, there will often be a whitespace at beginning
+           of line  */
+        while ( isspace(*(text+line_start)) ) 
+            { line_start++; }
+
+        if ((line_end - line_start) > colwidth ) 
+            { line_end = line_start + colwidth; }
+
+        /* Find last whitespace, that fits into line */
+        while ( ( line_end > line_start ) 
+                && ( line_end - line_start > colwidth )
+                && !isspace(*(text+line_end))) 
+            { line_end--; }
+
+        /* Do not print trailing whitespace. If this text
+           has got only one line, line_end now points to the
+           last char due to initialization. */
+        line_end--;
+
+        /* Output line of text */
+        while ( line_start < line_end ) 
+            {
+            fputc(*(text+line_start), fp );
+            line_start++;
+            }
+        fputc( '\n', fp );
+
+        /* Initialize another line */
+        if ( line_end+1 < textlen ) 
+            {
+            unsigned i;
+
+            for (i=0; i < lmargin; i++ )
+                { fputc( ' ', fp ); }
+
+            line_end = textlen;
+            }
+
+        /* If we have to print another line, get also the last char. */
+        line_end++;
+
+        } /* lines of text */
+    }
+
+/**
+ * Prints the glossary in strict GNU format. 
+ * Differences to arg_print_glossary() are:
+ *  - wraps lines after 80 chars
+ *  - indents lines without shortops
+ *  - does not accept formatstrings
+ *
+ * Contributed by Uli Fouquet
+ */
+void arg_print_glossary_gnu(FILE *fp, void **argtable )
+    {
+    struct arg_hdr **table = (struct arg_hdr**)argtable;
+    int tabindex;
+
+    for(tabindex=0; !(table[tabindex]->flag&ARG_TERMINATOR); tabindex++)
+        {
+        if (table[tabindex]->glossary)
+            {
+            char syntax[200]="";
+            const char *shortopts = table[tabindex]->shortopts;
+            const char *longopts  = table[tabindex]->longopts;
+            const char *datatype  = table[tabindex]->datatype;
+            const char *glossary  = table[tabindex]->glossary;
+
+            if ( !shortopts && longopts ) 
+                {
+                /* Indent trailing line by 4 spaces... */
+                memset( syntax, ' ', 4 );
+                *(syntax+4) = '\0';
+                }
+
+            arg_cat_optionv(syntax,sizeof(syntax),shortopts,longopts,datatype,table[tabindex]->flag&ARG_HASOPTVALUE,", ");
+
+            /* If syntax fits not into column, print glossary in new line... */
+            if ( strlen(syntax) > 25 ) 
+                {
+                fprintf( fp, "  %-25s %s\n", syntax, "" );
+                *syntax = '\0';
+                }
+
+            fprintf( fp, "  %-25s ", syntax );
+            arg_print_formatted( fp, 28, 79, glossary );
+            }
+        } /* for each table entry */
+
+    fputc( '\n', fp );
+    }
+
+
+/**
+ * Checks the argtable[] array for NULL entries and returns 1
+ * if any are found, zero otherwise.
+ */
+int arg_nullcheck(void **argtable)
+    {
+    struct arg_hdr **table = (struct arg_hdr **)argtable;
+    int tabindex;
+    /*printf("arg_nullcheck(%p)\n",argtable);*/
+
+    if (!table)
+        return 1;
+
+    tabindex=0;
+    do
+        {
+        /*printf("argtable[%d]=%p\n",tabindex,argtable[tabindex]);*/
+        if (!table[tabindex])
+            return 1;
+        } while(!(table[tabindex++]->flag&ARG_TERMINATOR));
+
+    return 0;
+    }
+
+
+/*
+ * arg_free() is deprecated in favour of arg_freetable() due to a flaw in its design.
+ * The flaw results in memory leak in the (very rare) case that an intermediate
+ * entry in the argtable array failed its memory allocation while others following
+ * that entry were still allocated ok. Those subsequent allocations will not be
+ * deallocated by arg_free().
+ * Despite the unlikeliness of the problem occurring, and the even unlikelier event
+ * that it has any deliterious effect, it is fixed regardless by replacing arg_free()
+ * with the newer arg_freetable() function.
+ * We still keep arg_free() for backwards compatibility.
+ */
+void arg_free(void **argtable)
+    {
+    struct arg_hdr **table=(struct arg_hdr**)argtable;
+    int tabindex=0;
+    int flag;
+    /*printf("arg_free(%p)\n",argtable);*/
+    do
+        {
+        /*
+        if we encounter a NULL entry then somewhat incorrectly we presume
+        we have come to the end of the array. It isnt strictly true because
+        an intermediate entry could be NULL with other non-NULL entries to follow.
+        The subsequent argtable entries would then not be freed as they should.
+        */
+        if (table[tabindex]==NULL)
+            break;
+                    
+        flag = table[tabindex]->flag;
+        free(table[tabindex]);
+        table[tabindex++]=NULL;
+        
+        } while(!(flag&ARG_TERMINATOR));
+    }
+
+/* frees each non-NULL element of argtable[], where n is the size of the number of entries in the array */
+void arg_freetable(void **argtable, size_t n)
+    {
+    struct arg_hdr **table=(struct arg_hdr**)argtable;
+    int tabindex=0;
+    /*printf("arg_freetable(%p)\n",argtable);*/
+    for (tabindex=0; tabindex<n; tabindex++)
+        {
+        if (table[tabindex]==NULL)
+            continue;
+                    
+        free(table[tabindex]);
+        table[tabindex]=NULL;        
+        };
+    }
+

Added: cs/cigma/branches/cigma-0.9/src/argtable2.h
===================================================================
--- cs/cigma/branches/cigma-0.9/src/argtable2.h	2007-06-26 16:57:53 UTC (rev 7509)
+++ cs/cigma/branches/cigma-0.9/src/argtable2.h	2007-06-26 16:59:15 UTC (rev 7510)
@@ -0,0 +1,304 @@
+/*********************************************************************
+This file is part of the argtable2 library.
+Copyright (C) 1998-2001,2003-2006 Stewart Heitmann
+sheitmann at users.sourceforge.net
+
+The argtable2 library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This software is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+**********************************************************************/
+#ifndef ARGTABLE2
+#define ARGTABLE2
+      
+#include <stdio.h>      /* FILE */
+#include <time.h>       /* struct tm */
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* bit masks for arg_hdr.flag */
+enum
+    {
+    ARG_TERMINATOR=0x1,
+    ARG_HASVALUE=0x2,
+    ARG_HASOPTVALUE=0x4
+    };
+
+typedef void (arg_resetfn)(void *parent);
+typedef int  (arg_scanfn)(void *parent, const char *argval);
+typedef int  (arg_checkfn)(void *parent);
+typedef void (arg_errorfn)(void *parent, FILE *fp, int error, const char *argval, const char *progname);
+
+
+/*
+ * The arg_hdr struct defines properties that are common to all arg_xxx structs.
+ * The argtable library requires each arg_xxx struct to have an arg_hdr
+ * struct as its first data member.
+ * The argtable library functions then use this data to identify the
+ * properties of the command line option, such as its option tags,
+ * datatype string, and glossary strings, and so on.
+ * Moreover, the arg_hdr struct contains pointers to custom functions that
+ * are provided by each arg_xxx struct which perform the tasks of parsing
+ * that particular arg_xxx arguments, performing post-parse checks, and
+ * reporting errors.
+ * These functions are private to the individual arg_xxx source code
+ * and are the pointer to them are initiliased by that arg_xxx struct's
+ * constructor function. The user could alter them after construction
+ * if desired, but the original intention is for them to be set by the
+ * constructor and left unaltered.
+ */
+struct arg_hdr
+   {
+   char         flag;        /* Modifier flags: ARG_TERMINATOR, ARG_HASVALUE. */
+   const char  *shortopts;   /* String defining the short options */
+   const char  *longopts;    /* String defiing the long options */
+   const char  *datatype;    /* Description of the argument data type */
+   const char  *glossary;    /* Description of the option as shown by arg_print_glossary function */
+   int          mincount;    /* Minimum number of occurences of this option accepted */
+   int          maxcount;    /* Maximum number of occurences if this option accepted */
+   void        *parent;      /* Pointer to parent arg_xxx struct */
+   arg_resetfn *resetfn;     /* Pointer to parent arg_xxx reset function */
+   arg_scanfn  *scanfn;      /* Pointer to parent arg_xxx scan function */
+   arg_checkfn *checkfn;     /* Pointer to parent arg_xxx check function */
+   arg_errorfn *errorfn;     /* Pointer to parent arg_xxx error function */
+   void        *priv;        /* Pointer to private header data for use by arg_xxx functions */
+   };
+
+struct arg_rem
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   };
+
+struct arg_lit
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   int count;               /* Number of matching command line args */
+   };
+
+struct arg_int
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   int count;               /* Number of matching command line args */
+   int *ival;               /* Array of parsed argument values */
+   };
+
+struct arg_dbl
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   int count;               /* Number of matching command line args */
+   double *dval;            /* Array of parsed argument values */
+   };
+
+struct arg_str
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   int count;               /* Number of matching command line args */
+   const char **sval;       /* Array of parsed argument values */
+   };
+
+struct arg_rex
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   int count;               /* Number of matching command line args */
+   const char **sval;       /* Array of parsed argument values */
+   };
+
+struct arg_file
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   int count;               /* Number of matching command line args*/
+   const char **filename;   /* Array of parsed filenames  (eg: /home/foo.bar) */
+   const char **basename;   /* Array of parsed basenames  (eg: foo.bar) */
+   const char **extension;  /* Array of parsed extensions (eg: bar) */
+   };
+
+struct arg_date
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   const char *format;      /* strptime format string used to parse the date */
+   int count;               /* Number of matching command line args */
+   struct tm *tmval;        /* Array of parsed time values */
+   };
+
+enum {ARG_ELIMIT=1, ARG_EMALLOC, ARG_ENOMATCH, ARG_ELONGOPT, ARG_EMISSARG};
+struct arg_end
+   {
+   struct arg_hdr hdr;      /* The mandatory argtable header struct */
+   int count;               /* Number of errors encountered */
+   int *error;              /* Array of error codes */
+   void **parent;           /* Array of pointers to offending arg_xxx struct */
+   const char **argval;     /* Array of pointers to offending argv[] string */
+   };
+
+
+/**** arg_xxx constructor functions *********************************/
+
+struct arg_rem* arg_rem(const char* datatype, const char* glossary);
+
+struct arg_lit* arg_lit0(const char* shortopts,
+                         const char* longopts,
+                         const char* glossary);
+struct arg_lit* arg_lit1(const char* shortopts,
+                         const char* longopts,
+                         const char *glossary);
+struct arg_lit* arg_litn(const char* shortopts,
+                         const char* longopts,
+                         int mincount,
+                         int maxcount,
+                         const char *glossary);
+
+struct arg_key* arg_key0(const char* keyword,
+                         int flags,
+                         const char* glossary);
+struct arg_key* arg_key1(const char* keyword,
+                         int flags,
+                         const char* glossary);
+struct arg_key* arg_keyn(const char* keyword,
+                         int flags,
+                         int mincount,
+                         int maxcount,
+                         const char* glossary);
+
+struct arg_int* arg_int0(const char* shortopts,
+                         const char* longopts,
+                         const char* datatype,
+                         const char* glossary);
+struct arg_int* arg_int1(const char* shortopts,
+                         const char* longopts,
+                         const char* datatype,
+                         const char *glossary);
+struct arg_int* arg_intn(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         int mincount,
+                         int maxcount,
+                         const char *glossary);
+
+struct arg_dbl* arg_dbl0(const char* shortopts,
+                         const char* longopts,
+                         const char* datatype,
+                         const char* glossary);
+struct arg_dbl* arg_dbl1(const char* shortopts,
+                         const char* longopts,
+                         const char* datatype,
+                         const char *glossary);
+struct arg_dbl* arg_dbln(const char* shortopts,
+                         const char* longopts,
+                         const char *datatype,
+                         int mincount,
+                         int maxcount,
+                         const char *glossary);
+
+struct arg_str* arg_str0(const char* shortopts,
+                         const char* longopts,
+                         const char* datatype,
+                         const char* glossary);
+struct arg_str* arg_str1(const char* shortopts,
+                         const char* longopts,                    
+                         const char* datatype,
+                         const char *glossary);
+struct arg_str* arg_strn(const char* shortopts,
+                         const char* longopts,
+                         const char* datatype,
+                         int mincount,
+                         int maxcount,
+                         const char *glossary);
+
+struct arg_rex* arg_rex0(const char* shortopts,
+                         const char* longopts,
+                         const char* pattern,
+                         const char* datatype,
+                         int flags,
+                         const char* glossary);
+struct arg_rex* arg_rex1(const char* shortopts,
+                         const char* longopts,
+                         const char* pattern,
+                         const char* datatype,
+                         int flags,
+                         const char *glossary);
+struct arg_rex* arg_rexn(const char* shortopts,
+                         const char* longopts,
+                         const char* pattern,
+                         const char* datatype,
+                         int mincount,
+                         int maxcount,
+                         int flags,
+                         const char *glossary);
+
+struct arg_file* arg_file0(const char* shortopts,
+                           const char* longopts,
+                           const char* datatype,
+                           const char* glossary);
+struct arg_file* arg_file1(const char* shortopts,
+                           const char* longopts,
+                           const char* datatype,
+                           const char *glossary);
+struct arg_file* arg_filen(const char* shortopts,
+                           const char* longopts,
+                           const char* datatype,
+                           int mincount,
+                           int maxcount,
+                           const char *glossary);
+
+struct arg_date* arg_date0(const char* shortopts,
+                           const char* longopts,
+                           const char* format,
+                           const char* datatype,
+                           const char* glossary);
+struct arg_date* arg_date1(const char* shortopts,
+                           const char* longopts,
+                           const char* format,
+                           const char* datatype,
+                           const char *glossary);
+struct arg_date* arg_daten(const char* shortopts,
+                           const char* longopts,
+                           const char* format,
+                           const char* datatype,
+                           int mincount,
+                           int maxcount,
+                           const char *glossary);
+
+struct arg_end* arg_end(int maxerrors);
+
+
+/**** other functions *******************************************/
+int arg_nullcheck(void **argtable);
+int arg_parse(int argc, char **argv, void **argtable);
+void arg_print_option(FILE *fp, const char *shortopts, const char *longopts, const char *datatype, const char *suffix);
+void arg_print_syntax(FILE *fp, void **argtable, const char *suffix);
+void arg_print_syntaxv(FILE *fp, void **argtable, const char *suffix);
+void arg_print_glossary(FILE *fp, void **argtable, const char *format);
+void arg_print_glossary_gnu(FILE *fp, void **argtable);
+void arg_print_errors(FILE* fp, struct arg_end* end, const char* progname);
+void arg_freetable(void **argtable, size_t n);
+
+/**** deprecated functions, for back-compatibility only ********/
+void arg_free(void **argtable);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+
+
+
+
+
+
+
+



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