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wildmatch: support "no FNM_PATHNAME" mode

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So far, wildmatch() has always honoured directory boundary and there
was no way to turn it off. Make it behave more like fnmatch() by
requiring all callers that want the FNM_PATHNAME behaviour to pass
that in the equivalent flag WM_PATHNAME. Callers that do not specify
WM_PATHNAME will get wildcards like ? and * in their patterns matched
against '/', just like not passing FNM_PATHNAME to fnmatch().

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2013-01-01 09:44:07 +07:00
committed by Junio C Hamano
parent 0c528168da
commit c41244e702
5 changed files with 42 additions and 7 deletions
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13
wildmatch.c
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@@ -78,14 +78,17 @@ static int dowild(const uchar *p, const uchar *text, unsigned int flags)
continue;
case '?':
/* Match anything but '/'. */
if (t_ch == '/')
if ((flags & WM_PATHNAME) && t_ch == '/')
return WM_NOMATCH;
continue;
case '*':
if (*++p == '*') {
const uchar *prev_p = p - 2;
while (*++p == '*') {}
if ((prev_p < pattern || *prev_p == '/') &&
if (!(flags & WM_PATHNAME))
/* without WM_PATHNAME, '*' == '**' */
match_slash = 1;
else if ((prev_p < pattern || *prev_p == '/') &&
(*p == '\0' || *p == '/' ||
(p[0] == '\\' && p[1] == '/'))) {
/*
@@ -104,7 +107,8 @@ static int dowild(const uchar *p, const uchar *text, unsigned int flags)
} else
return WM_ABORT_MALFORMED;
} else
match_slash = 0;
/* without WM_PATHNAME, '*' == '**' */
match_slash = flags & WM_PATHNAME ? 0 : 1;
if (*p == '\0') {
/* Trailing "**" matches everything. Trailing "*" matches
* only if there are no more slash characters. */
@@ -215,7 +219,8 @@ static int dowild(const uchar *p, const uchar *text, unsigned int flags)
} else if (t_ch == p_ch)
matched = 1;
} while (prev_ch = p_ch, (p_ch = *++p) != ']');
if (matched == negated || t_ch == '/')
if (matched == negated ||
((flags & WM_PATHNAME) && t_ch == '/'))
return WM_NOMATCH;
continue;
}