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/*
* Copyright (C) 1996-1998 Szeredi Miklos
* Email: mszeredi@inf.bme.hu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. See the file COPYING.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "misc.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#define DIR_SEP_CHAR '/'
char *get_base_name(char *fname)
{
char *p;
p = fname;
for(; *p; p++);
for(; p >= fname && *p != DIR_SEP_CHAR; p--);
return ++p;
}
int check_ext(const char *filename, const char *ext)
{
int flen, elen;
int i;
flen = (int) strlen(filename);
elen = (int) strlen(ext);
if(flen <= elen + 1) return 0;
if(filename[flen-elen-1] != '.') return 0;
for(i = 0; i < elen; i++) if(filename[flen-elen+i] != toupper(ext[i])) break;
if(i == elen) return 1;
for(i = 0; i < elen; i++) if(filename[flen-elen+i] != tolower(ext[i])) break;
if(i == elen) return 1;
return 0;
}
void add_extension(char *filename, const char *ext)
{
int i;
int upper;
i = (int) strlen(filename);
if(filename[i] > 64 && filename[i] < 96) upper = 1;
else upper = 0;
filename[i++] = '.';
if(upper)
for(; *ext; i++, ext++) filename[i] = toupper(*ext);
else
for(; *ext; i++, ext++) filename[i] = tolower(*ext);
}
int file_exist(const char *filename)
{
FILE *fp;
fp = fopen(filename, "rb");
if(fp != NULL) {
fclose(fp);
return 1;
}
if(errno == ENOENT) return 0;
return 1;
}
int try_extension(char *filename, const char *ext)
{
int tend;
tend = (int) strlen(filename);
add_extension(filename, ext);
if(file_exist(filename)) return 1;
filename[tend] = '\0';
return 0;
}
void *malloc_err(size_t size)
{
char *p;
p = (char *) malloc(size);
if(p == NULL) {
fprintf(stderr, "Out of memory!\n");
exit(1);
}
return (void *) p;
}
char *make_string(char *ostr, const char *nstr)
{
if(ostr != NULL) free(ostr);
ostr = malloc_err(strlen(nstr) + 1);
strcpy(ostr, nstr);
return ostr;
}
void free_string(char *ostr)
{
if(ostr != NULL) free(ostr);
}
int mis_strcasecmp(const char *s1, const char *s2)
{
int c1, c2;
for(;; s1++, s2++) {
c1 = tolower(*s1);
c2 = tolower(*s2);
if(!c1 || c1 != c2) break;
}
return c1-c2;
}
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