/*********************************************************************
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/*********************************************************************
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This file is part of the argtable2 library.
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This file is part of the argtable2 library.
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Copyright (C) 1998-2001,2003-2008 Stewart Heitmann
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Copyright (C) 1998-2001,2003-2008 Stewart Heitmann
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sheitmann@users.sourceforge.net
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sheitmann@users.sourceforge.net
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The argtable2 library is free software; you can redistribute it and/or
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The argtable2 library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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License, or (at your option) any later version.
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This software is distributed in the hope that it will be useful,
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This software is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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USA.
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**********************************************************************/
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**********************************************************************/
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/* config.h must be included before anything else */
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/* config.h must be included before anything else */
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#ifdef HAVE_CONFIG_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#include "config.h"
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#endif
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#endif
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/* #ifdef HAVE_STDLIB_H */
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/* #ifdef HAVE_STDLIB_H */
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#include <stdlib.h>
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#include <stdlib.h>
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/* #endif */
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/* #endif */
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#include "argtable2.h"
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#include "argtable2.h"
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static void resetfn(struct arg_end *parent)
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static void resetfn(struct arg_end *parent)
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{
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{
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/*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
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/*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
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parent->count = 0;
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parent->count = 0;
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}
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}
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static void errorfn(void *parent, FILE *fp, int error, const char *argval, const char *progname)
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static void errorfn(void *parent, FILE *fp, int error, const char *argval, const char *progname)
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{
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{
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progname = progname ? progname : "";
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progname = progname ? progname : "";
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argval = argval ? argval : "";
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argval = argval ? argval : "";
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fprintf(fp,"%s: ",progname);
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fprintf(fp,"%s: ",progname);
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switch(error)
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switch(error)
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{
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{
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case ARG_ELIMIT:
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case ARG_ELIMIT:
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fputs("too many errors to display",fp);
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fputs("too many errors to display",fp);
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break;
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break;
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case ARG_EMALLOC:
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case ARG_EMALLOC:
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fputs("insufficent memory",fp);
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fputs("insufficent memory",fp);
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break;
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break;
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case ARG_ENOMATCH:
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case ARG_ENOMATCH:
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fprintf(fp,"unexpected argument \"%s\"",argval);
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fprintf(fp,"unexpected argument \"%s\"",argval);
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break;
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break;
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case ARG_EMISSARG:
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case ARG_EMISSARG:
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fprintf(fp,"option \"%s\" requires an argument",argval);
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fprintf(fp,"option \"%s\" requires an argument",argval);
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break;
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break;
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case ARG_ELONGOPT:
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case ARG_ELONGOPT:
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fprintf(fp,"invalid option \"%s\"",argval);
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fprintf(fp,"invalid option \"%s\"",argval);
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break;
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break;
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default:
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default:
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fprintf(fp,"invalid option \"-%c\"",error);
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fprintf(fp,"invalid option \"-%c\"",error);
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break;
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break;
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}
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}
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fputc('\n',fp);
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fputc('\n',fp);
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}
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}
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struct arg_end* arg_end(int maxcount)
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struct arg_end* arg_end(int maxcount)
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{
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{
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size_t nbytes;
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size_t nbytes;
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struct arg_end *result;
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struct arg_end *result;
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nbytes = sizeof(struct arg_end)
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nbytes = sizeof(struct arg_end)
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+ maxcount * sizeof(int) /* storage for int error[maxcount] array*/
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+ maxcount * sizeof(int) /* storage for int error[maxcount] array*/
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+ maxcount * sizeof(void*) /* storage for void* parent[maxcount] array */
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+ maxcount * sizeof(void*) /* storage for void* parent[maxcount] array */
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+ maxcount * sizeof(char*); /* storage for char* argval[maxcount] array */
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+ maxcount * sizeof(char*); /* storage for char* argval[maxcount] array */
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result = (struct arg_end*)malloc(nbytes);
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result = (struct arg_end*)malloc(nbytes);
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if (result)
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if (result)
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{
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{
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/* init the arg_hdr struct */
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/* init the arg_hdr struct */
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result->hdr.flag = ARG_TERMINATOR;
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result->hdr.flag = ARG_TERMINATOR;
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result->hdr.shortopts = NULL;
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result->hdr.shortopts = NULL;
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result->hdr.longopts = NULL;
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result->hdr.longopts = NULL;
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result->hdr.datatype = NULL;
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result->hdr.datatype = NULL;
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result->hdr.glossary = NULL;
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result->hdr.glossary = NULL;
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result->hdr.mincount = 1;
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result->hdr.mincount = 1;
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result->hdr.maxcount = maxcount;
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result->hdr.maxcount = maxcount;
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result->hdr.parent = result;
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result->hdr.parent = result;
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result->hdr.resetfn = (arg_resetfn*)resetfn;
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result->hdr.resetfn = (arg_resetfn*)resetfn;
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result->hdr.scanfn = NULL;
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result->hdr.scanfn = NULL;
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result->hdr.checkfn = NULL;
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result->hdr.checkfn = NULL;
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result->hdr.errorfn = errorfn;
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result->hdr.errorfn = errorfn;
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/* store error[maxcount] array immediately after struct arg_end */
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/* store error[maxcount] array immediately after struct arg_end */
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result->error = (int*)(result+1);
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result->error = (int*)(result+1);
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/* store parent[maxcount] array immediately after error[] array */
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/* store parent[maxcount] array immediately after error[] array */
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result->parent = (void**)(result->error + maxcount );
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result->parent = (void**)(result->error + maxcount );
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/* store argval[maxcount] array immediately after parent[] array */
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/* store argval[maxcount] array immediately after parent[] array */
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result->argval = (const char**)(result->parent + maxcount );
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result->argval = (const char**)(result->parent + maxcount );
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}
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}
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/*printf("arg_end(%d) returns %p\n",maxcount,result);*/
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/*printf("arg_end(%d) returns %p\n",maxcount,result);*/
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return result;
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return result;
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}
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}
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void arg_print_errors(FILE* fp, struct arg_end* end, const char* progname)
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void arg_print_errors(FILE* fp, struct arg_end* end, const char* progname)
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{
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{
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int i;
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int i;
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/*printf("arg_errors()\n");*/
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/*printf("arg_errors()\n");*/
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for (i=0; i<end->count; i++)
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for (i=0; i<end->count; i++)
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{
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{
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struct arg_hdr *errorparent = (struct arg_hdr *)(end->parent[i]);
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struct arg_hdr *errorparent = (struct arg_hdr *)(end->parent[i]);
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if (errorparent->errorfn)
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if (errorparent->errorfn)
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errorparent->errorfn(end->parent[i],fp,end->error[i],end->argval[i],progname);
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errorparent->errorfn(end->parent[i],fp,end->error[i],end->argval[i],progname);
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}
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}
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}
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}
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