version 1.6, 1993/11/06 00:52:40 |
version 1.7, 1993/11/09 18:22:09 |
Line 40 static char *rcsid = "$Id$"; |
|
Line 40 static char *rcsid = "$Id$"; |
|
#endif /* LIBC_SCCS and not lint */ |
#endif /* LIBC_SCCS and not lint */ |
|
|
/* |
/* |
* Function fnmatch() as proposed in POSIX 1003.2 B.6 (D11.2). |
* Function fnmatch() as specified in POSIX 1003.2-1992, section B.6. |
* Compares a filename or pathname to a pattern. |
* Compares a filename or pathname to a pattern. |
*/ |
*/ |
|
|
Line 49 static char *rcsid = "$Id$"; |
|
Line 49 static char *rcsid = "$Id$"; |
|
|
|
#define EOS '\0' |
#define EOS '\0' |
|
|
static const char *rangematch __P((const char *, int)); |
static const char *rangematch __P((const char *, int, int)); |
|
|
fnmatch(pattern, string, flags) |
fnmatch(pattern, string, flags) |
register const char *pattern, *string; |
register const char *pattern, *string; |
Line 99 fnmatch(pattern, string, flags) |
|
Line 99 fnmatch(pattern, string, flags) |
|
if ((test = *string++) == EOS || |
if ((test = *string++) == EOS || |
test == '/' && flags & FNM_PATHNAME) |
test == '/' && flags & FNM_PATHNAME) |
return (FNM_NOMATCH); |
return (FNM_NOMATCH); |
if ((pattern = rangematch(pattern, test)) == NULL) |
if ((pattern = rangematch(pattern, test, flags)) == NULL) |
return (FNM_NOMATCH); |
return (FNM_NOMATCH); |
break; |
break; |
case '\\': |
case '\\': |
Line 108 fnmatch(pattern, string, flags) |
|
Line 108 fnmatch(pattern, string, flags) |
|
c = '\\'; |
c = '\\'; |
--pattern; |
--pattern; |
} |
} |
if (c != *string++) |
|
return (FNM_NOMATCH); |
|
break; |
|
} |
} |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
default: |
default: |
Line 122 fnmatch(pattern, string, flags) |
|
Line 119 fnmatch(pattern, string, flags) |
|
} |
} |
|
|
static const char * |
static const char * |
rangematch(pattern, test) |
rangematch(pattern, test, flags) |
register const char *pattern; |
register const char *pattern; |
register int test; |
register int test; |
|
int flags; |
{ |
{ |
register char c, c2; |
register char c, c2; |
int negate, ok; |
int negate, ok; |
|
|
if (negate = (*pattern == '!')) |
/* A bracket expression starting with an unquoted circumflex |
++pattern; |
* character produces unspecified results (IEEE 1003.2-1992, |
|
* 3.13.2). I have chosen to treat it like '!', for |
/* |
* consistancy with regular expression syntax. |
* XXX |
|
* TO DO: quoting |
|
*/ |
*/ |
|
if (negate = (*pattern == '!' || *pattern == '^')) { |
|
pattern++; |
|
} |
|
|
for (ok = 0; (c = *pattern++) != ']';) { |
for (ok = 0; (c = *pattern++) != ']';) { |
if (c == EOS) |
if (c == '\\' && !(flags & FNM_NOESCAPE)) { |
return (NULL); /* Illegal pattern. */ |
c = *pattern++; |
if (*pattern == '-' && (c2 = pattern[1]) != EOS && c2 != ']') { |
} |
if (c <= test && test <= c2) |
if (c == EOS) { |
ok = 1; |
return (NULL); |
pattern += 2; |
|
} |
} |
else if (c == test) |
|
|
if (*pattern == '-' |
|
&& (c2 = *(pattern+1)) != EOS && c2 != ']') { |
|
pattern += 2; |
|
if (c2 == '\\' && !(flags & FNM_NOESCAPE)) { |
|
c2 = *pattern++; |
|
} |
|
if (c2 == EOS) { |
|
return (NULL); |
|
} |
|
|
|
if (c <= test && test <= c2) { |
|
ok = 1; |
|
} |
|
} else if (c == test) { |
ok = 1; |
ok = 1; |
|
} |
} |
} |
|
|
return (ok == negate ? NULL : pattern); |
return (ok == negate ? NULL : pattern); |
} |
} |