* Copyright (c) 1989 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* %sccs.include.redist.c%
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid
[] = "@(#)fnmatch.c 5.5 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */
* Function fnmatch() as proposed in Posix 1003.2 B.6 (rev. 9).
* Compares a filename or pathname to a pattern.
static char *rangematch
__P((char *, int));
fnmatch(pattern
, string
, flags
)
register const char *pattern
, *string
;
switch (c
= *pattern
++) {
return (*string
== EOS
? 0 : FNM_NOMATCH
);
if ((test
= *string
++) == EOS
||
test
== '/' && flags
& FNM_PATHNAME
)
/* Collapse multiple stars. */
/* Optimize for pattern with * at end or before /. */
if (flags
& FNM_PATHNAME
)
return (index(string
, '/') == NULL
?
else if (c
== '/' && flags
& FNM_PATHNAME
) {
if ((string
= index(string
, '/')) == NULL
)
/* General case, use recursion. */
while ((test
= *string
) != EOS
) {
if (!fnmatch(pattern
, string
, flags
))
if (test
== '/' && flags
& FNM_PATHNAME
)
if ((test
= *string
++) == EOS
||
test
== '/' && flags
& FNM_PATHNAME
)
if ((pattern
= rangematch(pattern
, test
)) == NULL
)
if (!(flags
& FNM_NOESCAPE
)) {
if ((c
= *pattern
++) == EOS
) {
rangematch(pattern
, test
)
if (negate
= (*pattern
== '!'))
for (ok
= 0; (c
= *pattern
++) != ']';) {
return (NULL
); /* Illegal pattern. */
if (*pattern
== '-' && (c2
= pattern
[1]) != EOS
&& c2
!= ']') {
if (c
<= test
&& test
<= c2
)
return (ok
== negate
? NULL
: pattern
);