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updated from FSF

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This commit is contained in:
Jim Meyering 1993-03-31 01:23:35 +00:00
parent f1f04bac77
commit a7c3b38bb6
1 changed files with 33 additions and 24 deletions
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57
lib/fnmatch.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@ -16,16 +16,13 @@ not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <errno.h>
#include "fnmatch.h"
#include <fnmatch.h>
#include <ctype.h>
#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
extern int errno;
#endif
#if !__STDC__
#define const
#endif
/* Match STRING against the filename pattern PATTERN, returning zero if
it matches, nonzero if not. */
int
@ -37,40 +34,42 @@ fnmatch (pattern, string, flags)
register const char *p = pattern, *n = string;
register char c;
if ((flags & ~__FNM_FLAGS) != 0)
{
errno = EINVAL;
return -1;
}
/* Note that this evalutes C many times. */
#define FOLD(c) ((flags & FNM_CASEFOLD) && isupper (c) ? tolower (c) : (c))
while ((c = *p++) != '\0')
{
c = FOLD (c);
switch (c)
{
case '?':
if (*n == '\0')
return FNM_NOMATCH;
else if ((flags & FNM_PATHNAME) && *n == '/')
else if ((flags & FNM_FILE_NAME) && *n == '/')
return FNM_NOMATCH;
else if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
break;
case '\\':
if (!(flags & FNM_NOESCAPE))
c = *p++;
if (*n != c)
{
c = *p++;
c = FOLD (c);
}
if (FOLD (*n) != c)
return FNM_NOMATCH;
break;
case '*':
if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
for (c = *p++; c == '?' || c == '*'; c = *p++, ++n)
if (((flags & FNM_PATHNAME) && *n == '/') ||
if (((flags & FNM_FILE_NAME) && *n == '/') ||
(c == '?' && *n == '\0'))
return FNM_NOMATCH;
@ -79,8 +78,9 @@ fnmatch (pattern, string, flags)
{
char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
c1 = FOLD (c1);
for (--p; *n != '\0'; ++n)
if ((c == '[' || *n == c1) &&
if ((c == '[' || FOLD (*n) == c1) &&
fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
return 0;
return FNM_NOMATCH;
@ -95,7 +95,7 @@ fnmatch (pattern, string, flags)
return FNM_NOMATCH;
if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
not = (*p == '!' || *p == '^');
@ -110,13 +110,16 @@ fnmatch (pattern, string, flags)
if (!(flags & FNM_NOESCAPE) && c == '\\')
cstart = cend = *p++;
cstart = cend = FOLD (cstart);
if (c == '\0')
/* [ (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
c = FOLD (c);
if ((flags & FNM_PATHNAME) && c == '/')
if ((flags & FNM_FILE_NAME) && c == '/')
/* [/] can never match. */
return FNM_NOMATCH;
@ -127,10 +130,12 @@ fnmatch (pattern, string, flags)
cend = *p++;
if (cend == '\0')
return FNM_NOMATCH;
cend = FOLD (cend);
c = *p++;
}
if (*n >= cstart && *n <= cend)
if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
goto matched;
if (c == ']')
@ -150,7 +155,7 @@ fnmatch (pattern, string, flags)
c = *p++;
if (!(flags & FNM_NOESCAPE) && c == '\\')
/* 1003.2d11 is unclear if this is right. %%% */
/* XXX 1003.2d11 is unclear if this is right. */
++p;
}
if (not)
@ -159,14 +164,18 @@ fnmatch (pattern, string, flags)
break;
default:
if (c != *n)
if (c != FOLD (*n))
return FNM_NOMATCH;
}
++n;
}
if (*n == '\0' || ((flags & FNM_TARPATH) && *n == '/'))
if (*n == '\0')
return 0;
if ((flags & FNM_LEADING_DIR) && *n == '/')
/* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
return 0;
return FNM_NOMATCH;