#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif
#if HAVE_CONFIG_H
# include <config.h>
#endif
#include "fnmatch.h"
#include <errno.h>
int
fnmatch (const char *pattern, const char *string, int flags)
{
register const char *p = pattern, *n = string;
register char c;
while ((c = *p++) != '\0')
{
switch (c)
{
case '?':
if (*n == '\0')
return FNM_NOMATCH;
else if ((flags & FNM_FILE_NAME) && *n == '/')
return FNM_NOMATCH;
else if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
break;
case '\\':
if (!(flags & FNM_NOESCAPE))
{
c = *p++;
if (c == '\0')
return FNM_NOMATCH;
}
if (*n != c)
return FNM_NOMATCH;
break;
case '*':
if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
for (c = *p++; c == '?' || c == '*'; c = *p++)
{
if (c == '?')
{
if (*n == '\0' || (*n == '/' && (flags & FNM_FILE_NAME)))
return FNM_NOMATCH;
else
++n;
}
}
if (c == '\0')
{
if ((flags & (FNM_FILE_NAME | FNM_LEADING_DIR)) == FNM_FILE_NAME)
for (; *n != '\0'; n++)
if (*n == '/')
return FNM_NOMATCH;
return 0;
}
{
char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
for (--p; *n != '\0'; ++n)
if ((c == '[' || *n == c1) &&
fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
return 0;
else if (*n == '/' && (flags & FNM_FILE_NAME))
break;
return FNM_NOMATCH;
}
case '[':
{
register int not;
if (*n == '\0')
return FNM_NOMATCH;
if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
not = (*p == '!' || *p == '^');
if (not)
++p;
c = *p++;
for (;;)
{
register char cstart = c, cend = c;
if (!(flags & FNM_NOESCAPE) && c == '\\')
{
if (*p == '\0')
return FNM_NOMATCH;
cstart = cend = *p++;
}
cend = cstart;
if (c == '\0')
return FNM_NOMATCH;
c = *p++;
if ((flags & FNM_FILE_NAME) && c == '/')
return FNM_NOMATCH;
if (c == '-' && *p != ']')
{
cend = *p++;
if (!(flags & FNM_NOESCAPE) && cend == '\\')
cend = *p++;
if (cend == '\0')
return FNM_NOMATCH;
c = *p++;
}
if ((unsigned char) *n >= (unsigned char) cstart
&& (unsigned char) *n <= (unsigned char) cend)
goto matched;
if (c == ']')
break;
}
if (!not)
return FNM_NOMATCH;
break;
matched:;
while (c != ']')
{
if (c == '\0')
return FNM_NOMATCH;
c = *p++;
if (!(flags & FNM_NOESCAPE) && c == '\\')
{
if (*p == '\0')
return FNM_NOMATCH;
++p;
}
}
if (not)
return FNM_NOMATCH;
}
break;
default:
if (c != *n)
return FNM_NOMATCH;
}
++n;
}
if (*n == '\0')
return 0;
if ((flags & FNM_LEADING_DIR) && *n == '/')
return 0;
return FNM_NOMATCH;
}