69b40e704d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22845 a1c6a512-1295-4272-9138-f99709370657
138 lines
2.9 KiB
C
138 lines
2.9 KiB
C
/*
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* Copyright (C) 1996-1998 Szeredi Miklos
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* Email: mszeredi@inf.bme.hu
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version. See the file COPYING.
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*
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* This program 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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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include "zxmisc.h"
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#include "zxconfig.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "helpers.h"
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#define DIR_SEP_CHAR '/'
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char *get_base_name(char *fname)
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{
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char *p;
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p = fname;
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for(; *p; p++);
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for(; p >= fname && *p != DIR_SEP_CHAR; p--);
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return ++p;
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}
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int check_ext(const char *filename, const char *ext)
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{
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int flen, elen;
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int i;
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flen = (int) rb->strlen(filename);
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elen = (int) rb->strlen(ext);
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if(flen <= elen + 1) return 0;
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if(filename[flen-elen-1] != '.') return 0;
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for(i = 0; i < elen; i++) if(filename[flen-elen+i] != toupper(ext[i])) break;
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if(i == elen) return 1;
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for(i = 0; i < elen; i++) if(filename[flen-elen+i] != tolower(ext[i])) break;
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if(i == elen) return 1;
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return 0;
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}
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void add_extension(char *filename, const char *ext)
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{
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int i;
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int upper;
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i = (int) rb->strlen(filename);
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if(filename[i] > 64 && filename[i] < 96) upper = 1;
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else upper = 0;
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filename[i++] = '.';
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if(upper)
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for(; *ext; i++, ext++) filename[i] = toupper(*ext);
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else
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for(; *ext; i++, ext++) filename[i] = tolower(*ext);
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}
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int file_exist(const char *filename)
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{
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/*FILE *fp;*/
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int fd;
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fd = rb->open(filename, O_RDONLY);
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if(fd >= 0) {
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rb->close(fd);
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return 1;
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}
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else return 0;
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/* if(errno == ENOENT) return 0;
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return 1;*/
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}
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int try_extension(char *filename, const char *ext)
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{
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int tend;
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tend = (int) rb->strlen(filename);
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add_extension(filename, ext);
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if(file_exist(filename)) return 1;
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filename[tend] = '\0';
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return 0;
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}
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void *malloc_err(size_t size)
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{
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char *p;
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p = (char *) my_malloc(size);
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if(p == NULL) {
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// fprintf(stderr, "Out of memory!\n");
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/*exit(1);*/
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}
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return (void *) p;
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}
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char *make_string(char *ostr, const char *nstr)
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{
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if(ostr != NULL) /*free(ostr)*/ostr=0;
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ostr = malloc_err(rb->strlen(nstr) + 1);
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rb->strcpy(ostr, nstr);
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return ostr;
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}
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void free_string(char *ostr)
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{
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if(ostr != NULL) /*free(ostr)*/ostr=0;
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}
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int mis_strcasecmp(const char *s1, const char *s2)
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{
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int c1, c2;
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for(;; s1++, s2++) {
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c1 = tolower(*s1);
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c2 = tolower(*s2);
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if(!c1 || c1 != c2) break;
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}
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return c1-c2;
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}
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