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[/] [openrisc/] [trunk/] [or1ksim/] [argtable2/] [arg_date.c] - Rev 109
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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. **********************************************************************/ /* glibc2 needs this for strptime */ #define _XOPEN_SOURCE /* SunOS also requires this for strptime */ #define _XOPEN_VERSION 4 /* config.h must be included before anything else */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #ifdef HAVE_STRINGS_H #include <strings.h> #endif #include "argtable2.h" /* local error codes */ enum {EMINCOUNT=1,EMAXCOUNT,EBADDATE}; static void resetfn(struct arg_date *parent) { /*printf("%s:resetfn(%p)\n",__FILE__,parent);*/ parent->count=0; } static int scanfn(struct arg_date *parent, const char *argval) { int errorcode = 0; if (parent->count == parent->hdr.maxcount ) errorcode = EMAXCOUNT; else if (!argval) { /* no argument value was given, leave parent->tmval[] unaltered but still count it */ parent->count++; } else { const char *pend; struct tm tm = parent->tmval[parent->count]; /* parse the given argument value, store result in parent->tmval[] */ pend = strptime(argval, parent->format, &tm); if (pend && pend[0]=='\0') parent->tmval[parent->count++] = tm; else errorcode = EBADDATE; } /*printf("%s:scanfn(%p) returns %d\n",__FILE__,parent,errorcode);*/ return errorcode; } static int checkfn(struct arg_date *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_date *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 EBADDATE: { struct tm tm; char buff[200]; fprintf(fp,"illegal timestamp format \"%s\"\n",argval); bzero(&tm,sizeof(tm)); strptime("1999-12-31 23:59:59","%F %H:%M:%S",&tm); strftime(buff, sizeof(buff), parent->format, &tm); printf("correct format is \"%s\"\n", buff); break; } } } struct arg_date* arg_date0(const char* shortopts, const char* longopts, const char* format, const char *datatype, const char *glossary) { return arg_daten(shortopts,longopts,format,datatype,0,1,glossary); } struct arg_date* arg_date1(const char* shortopts, const char* longopts, const char* format, const char *datatype, const char *glossary) { return arg_daten(shortopts,longopts,format,datatype,1,1,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) { size_t nbytes; struct arg_date *result; /* foolproof things by ensuring maxcount is not less than mincount */ maxcount = (maxcount<mincount) ? mincount : maxcount; /* default time format is the national date format for the locale */ if (!format) format = "%x"; nbytes = sizeof(struct arg_date) /* storage for struct arg_date */ + maxcount*sizeof(struct tm); /* storage for tmval[maxcount] array */ /* allocate storage for the arg_date struct + tmval[] array. */ /* we use calloc because we want the tmval[] array zero filled. */ result = (struct arg_date*)calloc(1,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 : format; 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 tmval[maxcount] array immediately after the arg_date struct */ result->tmval = (struct tm*)(result+1); /* init the remaining arg_date member variables */ result->count = 0; result->format = format; } /*printf("arg_daten() returns %p\n",result);*/ return result; }
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