From: Michael Haggerty <mhagger@xxxxxxxxxxxx>
This will make later changes easier.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
refs.c | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/refs.c b/refs.c
index 0d74d70..3b41252 100644
--- a/refs.c
+++ b/refs.c
@@ -912,11 +912,11 @@ static inline int bad_ref_char(int ch)
*/
static int check_refname_component(const char *ref, int flags)
{
- const char *cp;
+ int i, len = strlen(ref);
char last = '\0';
- for (cp = ref; ; cp++) {
- char ch = *cp;
+ for (i = 0; i < len; i++) {
+ char ch = ref[i];
if (ch == '\0' || ch == '/')
break;
if (bad_ref_char(ch))
@@ -927,7 +927,7 @@ static int check_refname_component(const char *ref, int flags)
return -1; /* Refname contains "@{". */
last = ch;
}
- if (cp == ref)
+ if (i == 0)
return -1; /* Component has zero length. */
if (ref[0] == '.') {
if (!(flags & REFNAME_DOT_COMPONENT))
@@ -936,12 +936,12 @@ static int check_refname_component(const char *ref, int flags)
* Even if leading dots are allowed, don't allow "."
* as a component (".." is prevented by a rule above).
*/
- if (ref[1] == '\0')
+ if (i == 1)
return -1; /* Component equals ".". */
}
- if (cp - ref >= 5 && !memcmp(cp - 5, ".lock", 5))
+ if (i >= 5 && !memcmp(&ref[i - 5], ".lock", 5))
return -1; /* Refname ends with ".lock". */
- return cp - ref;
+ return i;
}
int check_refname_format(const char *ref, int flags)
--
1.7.7
--
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