Kagera uHTTP Daemon
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/**
* @PROJECT Kagera uHTTP Daemon
* @COPYRIGHT See COPYING in the top level directory
* @FILE match.c
* @PURPOSE Simple shell-style filename matcher
* @DEVELOPERS Rafal Kupiec <belliash@asiotec.eu.org>
* Jef Poskanzer <jef@acme.com>
*/
#include <string.h>
#include "match.h"
int match(const char* pattern, const char* string) {
const char* or;
for(;;) {
or = strchr( pattern, '|' );
if(or == (char*) 0) {
return match_one(pattern, strlen(pattern), string);
}
if(match_one( pattern, or - pattern, string)) {
return 1;
}
pattern = or + 1;
}
}
static int match_one(const char* pattern, int patternlen, const char* string) {
const char* p;
for(p = pattern; p - pattern < patternlen; ++p, ++string) {
if(*p == '?' && *string != '\0') {
continue;
}
if(*p == '*') {
int i, pl;
++p;
if(*p == '*') {
++p;
i = strlen(string);
} else {
i = strcspn(string, "/");
}
pl = patternlen - (p - pattern);
for(; i >= 0; --i) {
if(match_one(p, pl, &(string[i]))) {
return 1;
}
}
return 0;
}
if(*p != *string) {
return 0;
}
}
if(*string == '\0') {
return 1;
}
return 0;
}