From: Junio C Hamano <gitster@xxxxxxxxx>
The function takes two strings (pathname and basename) as if they
are independent strings, but in reality, the latter is always
pointing into a substring in the former.
Clarify this relationship by expressing the latter as an offset into
the former.
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Jeff King <peff@xxxxxxxx>
---
This is identical to the original 1/4.
attr.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/attr.c b/attr.c
index ab2aab2..4cfe0ee 100644
--- a/attr.c
+++ b/attr.c
@@ -655,7 +655,7 @@ static int path_matches(const char *pathname, int pathlen,
}
static int path_matches(const char *pathname, int pathlen,
- const char *basename,
+ int basename_offset,
const struct pattern *pat,
const char *base, int baselen)
{
@@ -667,8 +667,8 @@ static int path_matches(const char *pathname, int pathlen,
return 0;
if (pat->flags & EXC_FLAG_NODIR) {
- return match_basename(basename,
- pathlen - (basename - pathname),
+ return match_basename(pathname + basename_offset,
+ pathlen - basename_offset,
pattern, prefix,
pat->patternlen, pat->flags);
}
@@ -701,7 +701,7 @@ static int fill_one(const char *what, struct match_attr *a, int rem)
return rem;
}
-static int fill(const char *path, int pathlen, const char *basename,
+static int fill(const char *path, int pathlen, int basename_offset,
struct attr_stack *stk, int rem)
{
int i;
@@ -711,7 +711,7 @@ static int fill(const char *path, int pathlen, const char *basename,
struct match_attr *a = stk->attrs[i];
if (a->is_macro)
continue;
- if (path_matches(path, pathlen, basename,
+ if (path_matches(path, pathlen, basename_offset,
&a->u.pat, base, stk->originlen))
rem = fill_one("fill", a, rem);
}
@@ -750,7 +750,8 @@ static void collect_all_attrs(const char *path)
{
struct attr_stack *stk;
int i, pathlen, rem, dirlen;
- const char *basename, *cp, *last_slash = NULL;
+ const char *cp, *last_slash = NULL;
+ int basename_offset;
for (cp = path; *cp; cp++) {
if (*cp == '/' && cp[1])
@@ -758,10 +759,10 @@ static void collect_all_attrs(const char *path)
}
pathlen = cp - path;
if (last_slash) {
- basename = last_slash + 1;
+ basename_offset = last_slash + 1 - path;
dirlen = last_slash - path;
} else {
- basename = path;
+ basename_offset = 0;
dirlen = 0;
}
@@ -771,7 +772,7 @@ static void collect_all_attrs(const char *path)
rem = attr_nr;
for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
- rem = fill(path, pathlen, basename, stk, rem);
+ rem = fill(path, pathlen, basename_offset, stk, rem);
}
int git_check_attr(const char *path, int num, struct git_attr_check *check)
--
1.8.2.13.g0f18d3c
--
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