"**" is adjusted to only be effective when surrounded by slashes, in
40bbee0 (wildmatch: adjust "**" behavior - 2012-10-15). Except that
the commit did it wrong:
1. when it checks for "the preceding slash unless ** is at the
beginning", it compares to wrong pointer. It should have compared
to the beginning of the pattern, not the text.
2. prev_p points to the character before "**", not the first "*". The
correct comparison must be "prev_p < pattern" or
"prev_p + 1 == pattern", not "prev_p == pattern".
3. The pattern must be surrounded by slashes unless it's at the
beginning or the end of the pattern. We do two checks: one for the
preceding slash and one the trailing slash. Both checks must be
met. The use of "||" is wrong.
This patch fixes all above.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
t/t3070-wildmatch.sh | 2 +-
wildmatch.c | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/t/t3070-wildmatch.sh b/t/t3070-wildmatch.sh
index d5bafef..af54c83 100755
--- a/t/t3070-wildmatch.sh
+++ b/t/t3070-wildmatch.sh
@@ -83,7 +83,7 @@ match 0 0 'deep/foo/bar/baz/' '**/bar/*'
match 1 0 'deep/foo/bar/baz/' '**/bar/**'
match 0 0 'deep/foo/bar' '**/bar/*'
match 1 0 'deep/foo/bar/' '**/bar/**'
-match 1 0 'foo/bar/baz' '**/bar**'
+match 0 0 'foo/bar/baz' '**/bar**'
match 1 0 'foo/bar/baz/x' '*/bar/**'
match 0 0 'deep/foo/bar/baz/x' '*/bar/**'
match 1 0 'deep/foo/bar/baz/x' '**/bar/*/*'
diff --git a/wildmatch.c b/wildmatch.c
index 3972e26..5f976e9 100644
--- a/wildmatch.c
+++ b/wildmatch.c
@@ -58,6 +58,7 @@ typedef unsigned char uchar;
static int dowild(const uchar *p, const uchar *text, int force_lower_case)
{
uchar p_ch;
+ const uchar *pattern = p;
for ( ; (p_ch = *p) != '\0'; text++, p++) {
int matched, special;
@@ -87,7 +88,7 @@ static int dowild(const uchar *p, const uchar *text, int force_lower_case)
if (*++p == '*') {
const uchar *prev_p = p - 2;
while (*++p == '*') {}
- if ((prev_p == text || *prev_p == '/') ||
+ if ((prev_p < pattern || *prev_p == '/') &&
(*p == '\0' || *p == '/' ||
(p[0] == '\\' && p[1] == '/'))) {
/*
--
1.8.0.rc2.23.g1fb49df
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