166 lines
3.5 KiB
C
166 lines
3.5 KiB
C
/* MiniDLNA media server
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* Copyright (C) 2008-2009 Justin Maggard
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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.
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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int
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ends_with(const char * haystack, const char * needle)
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{
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const char * end = strrchr(haystack, *needle);
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return (strcasecmp(end?end:"", needle) ? 0 : 1);
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}
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char *
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trim(char *str)
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{
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if (!str)
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return(NULL);
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int i;
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for (i=0; i <= strlen(str) && (isspace(str[i]) || str[i] == '"'); i++) {
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str++;
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}
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for (i=(strlen(str)-1); i >= 0 && (isspace(str[i]) || str[i] == '"'); i--) {
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str[i] = '\0';
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}
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return str;
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}
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char *
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modifyString(char * string, const char * before, const char * after, short like)
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{
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int oldlen, newlen, chgcnt = 0;
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char *s, *p, *t;
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oldlen = strlen(before);
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newlen = strlen(after);
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if( newlen > oldlen )
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{
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s = string;
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while( (p = strstr(s, before)) )
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{
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chgcnt++;
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s = p+oldlen;
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}
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string = realloc(string, strlen(string)+((newlen-oldlen)*chgcnt)+1);
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}
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s = string;
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while( s )
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{
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p = strcasestr(s, before);
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if( !p )
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return string;
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if( like )
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{
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t = p+oldlen;
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while( isspace(*t) )
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t++;
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if( *t == '"' )
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while( *++t != '"' )
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continue;
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memmove(t+1, t, strlen(t)+1);
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*t = '*';
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}
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memmove(p + newlen, p + oldlen, strlen(p + oldlen) + 1);
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memcpy(p, after, newlen);
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s = p + newlen;
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}
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if( newlen < oldlen )
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string = realloc(string, strlen(string)+1);
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return string;
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}
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char *
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escape_tag(const char *tag)
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{
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char *esc_tag = NULL;
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if( strchr(tag, '&') || strchr(tag, '<') || strchr(tag, '>') )
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{
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esc_tag = strdup(tag);
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esc_tag = modifyString(esc_tag, "&", "&amp;", 0);
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esc_tag = modifyString(esc_tag, "<", "&lt;", 0);
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esc_tag = modifyString(esc_tag, ">", "&gt;", 0);
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}
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return esc_tag;
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}
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void
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strip_ext(char * name)
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{
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char * period;
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period = strrchr(name, '.');
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if( period )
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*period = '\0';
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}
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/* Code basically stolen from busybox */
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int
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make_dir(char * path, mode_t mode)
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{
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char * s = path;
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char c;
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struct stat st;
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do {
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c = 0;
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/* Bypass leading non-'/'s and then subsequent '/'s. */
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while (*s) {
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if (*s == '/') {
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do {
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++s;
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} while (*s == '/');
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c = *s; /* Save the current char */
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*s = 0; /* and replace it with nul. */
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break;
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}
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++s;
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}
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if (mkdir(path, mode) < 0) {
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/* If we failed for any other reason than the directory
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* already exists, output a diagnostic and return -1.*/
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if (errno != EEXIST
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|| (stat(path, &st) < 0 || !S_ISDIR(st.st_mode))) {
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break;
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}
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}
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if (!c)
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return 0;
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/* Remove any inserted nul from the path. */
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*s = c;
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} while (1);
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printf("make_dir: cannot create directory '%s'", path);
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return -1;
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}
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