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/*
* libdmtx - Data Matrix Encoding/Decoding Library
*
* Copyright (C) 2011 Mike Laughton
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Contact: mike@dragonflylogic.com
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <assert.h>
#include <dmtx.h>
#include "dmtxutil.h"
#undef ISDIGIT
#define ISDIGIT(n) (n > 47 && n < 58)
extern char *programName;
/**
* @brief Display error message and exit with error status
* @param errorCode error code returned to OS
* @param fmt error message format for printing
* @return void
*/
extern void
FatalError(int errorCode, char *fmt, ...)
{
va_list va;
va_start(va, fmt);
fprintf(stderr, "%s: ", programName);
vfprintf(stderr, fmt, va);
va_end(va);
fprintf(stderr, "\n\n");
fflush(stderr);
exit(errorCode);
}
/**
* @brief Convert character string to integer
* @param numberInt pointer to converted integer
* @param numberString string to be converted
* @param terminate pointer to first invalid address
* @return DmtxPass | DmtxFail
*/
extern DmtxPassFail
StringToInt(int *numberInt, char *numberString, char **terminate)
{
long numberLong;
if(!ISDIGIT(*numberString)) {
*numberInt = DmtxUndefined;
return DmtxFail;
}
errno = 0;
numberLong = strtol(numberString, terminate, 10);
while(isspace((int)**terminate))
(*terminate)++;
if(errno != 0 || (**terminate != '\0' && **terminate != '%')) {
*numberInt = DmtxUndefined;
return DmtxFail;
}
*numberInt = (int)numberLong;
return DmtxPass;
}
/**
* @brief XXX
* @param path
* @return pointer to adjusted path string
*/
extern char *
Basename(char *path)
{
assert(path);
if(strrchr(path, '/'))
path = strrchr(path, '/') + 1;
if(strrchr(path, '\\'))
path = strrchr(path, '\\') + 1;
return path;
}
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