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/*
* fnmatch.c
*
* Original implementation by Kay Sievers, modified by H. Peter Anvin.
*/
#include <fnmatch.h>
int fnmatch(const char *p, const char *s, int flags)
{
if (flags & FNM_PATHNAME && *s == '/')
return (*p != '/') || fnmatch(p+1, s+1, flags);
if (flags & FNM_PERIOD && *s == '.')
return (*p != '.') || fnmatch(p+1, s+1, flags);
flags &= ~FNM_PERIOD; /* Only applies at beginning */
if (!(flags & FNM_NOESCAPE) && *p == '\\') {
p++;
return (*p != *s) || fnmatch(p+1, s+1, flags);
}
if (*s == '\0') {
while (*p == '*')
p++;
return (*p != '\0');
}
switch (*p) {
case '[':
{
int not = 0;
p++;
if (*p == '!') {
not = 1;
p++;
}
while ((*p != '\0') && (*p != ']')) {
int match = 0;
if (p[1] == '-') {
if ((*s >= *p) && (*s <= p[2]))
match = 1;
p += 3;
} else {
match = (*p == *s);
p++;
}
if (match ^ not) {
while ((*p != '\0') && (*p != ']'))
p++;
if (*p == ']')
return fnmatch(p+1, s+1, flags);
}
}
}
break;
case '*':
if (fnmatch(p, s+1, flags))
return fnmatch(p+1, s, flags);
return 0;
case '\0':
if (*s == '\0') {
return 0;
}
break;
default:
if ((*p == *s) || (*p == '?'))
return fnmatch(p+1, s+1, flags);
break;
}
return 1;
}
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