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read-cache: use size_t for {base,df}_name_compare()

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Support names of any length in base_name_compare() and df_name_compare()
by using size_t for their length parameters.  They pass the length on to
memcmp(3), which also takes it as a size_t.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2023-02-05 11:36:28 +01:00 committed by Junio C Hamano
parent 844ede312b
commit 1b4a38d741
2 changed files with 11 additions and 8 deletions
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6
cache.h
View file

@ -1609,8 +1609,10 @@ int repo_interpret_branch_name(struct repository *r,
int validate_headref(const char *ref);
int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);
int df_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);
int base_name_compare(const char *name1, size_t len1, int mode1,
const char *name2, size_t len2, int mode2);
int df_name_compare(const char *name1, size_t len1, int mode1,
const char *name2, size_t len2, int mode2);
int name_compare(const char *name1, size_t len1, const char *name2, size_t len2);
int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2);

13
read-cache.c
View file

@ -488,11 +488,11 @@ int ie_modified(struct index_state *istate,
return 0;
}
int base_name_compare(const char *name1, int len1, int mode1,
const char *name2, int len2, int mode2)
int base_name_compare(const char *name1, size_t len1, int mode1,
const char *name2, size_t len2, int mode2)
{
unsigned char c1, c2;
int len = len1 < len2 ? len1 : len2;
size_t len = len1 < len2 ? len1 : len2;
int cmp;
cmp = memcmp(name1, name2, len);
@ -517,11 +517,12 @@ int base_name_compare(const char *name1, int len1, int mode1,
* This is used by routines that want to traverse the git namespace
* but then handle conflicting entries together when possible.
*/
int df_name_compare(const char *name1, int len1, int mode1,
const char *name2, int len2, int mode2)
int df_name_compare(const char *name1, size_t len1, int mode1,
const char *name2, size_t len2, int mode2)
{
int len = len1 < len2 ? len1 : len2, cmp;
unsigned char c1, c2;
size_t len = len1 < len2 ? len1 : len2;
int cmp;
cmp = memcmp(name1, name2, len);
if (cmp)