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[/] [openrisc/] [tags/] [or1ksim/] [or1ksim-0.3.0/] [argtable2/] [arg_end.c] - Rev 790
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/********************************************************************* This file is part of the argtable2 library. Copyright (C) 1998-2001,2003-2008 Stewart Heitmann sheitmann@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); } }
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