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-rw-r--r--diff.c6
-rw-r--r--merge-tree.c6
-rw-r--r--sha1_file.c5
3 files changed, 7 insertions, 10 deletions
diff --git a/diff.c b/diff.c
index 6762fcee5..c845c8711 100644
--- a/diff.c
+++ b/diff.c
@@ -1018,14 +1018,12 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o)
}
if (memcmp(one->sha1, two->sha1, 20)) {
- char one_sha1[41];
int abbrev = o->full_index ? 40 : DEFAULT_ABBREV;
- memcpy(one_sha1, sha1_to_hex(one->sha1), 41);
len += snprintf(msg + len, sizeof(msg) - len,
"index %.*s..%.*s",
- abbrev, one_sha1, abbrev,
- sha1_to_hex(two->sha1));
+ abbrev, sha1_to_hex(one->sha1),
+ abbrev, sha1_to_hex(two->sha1));
if (one->mode == two->mode)
len += snprintf(msg + len, sizeof(msg) - len,
" %06o", one->mode);
diff --git a/merge-tree.c b/merge-tree.c
index 50528d5e4..cc7b5bd89 100644
--- a/merge-tree.c
+++ b/merge-tree.c
@@ -24,16 +24,14 @@ static const char *sha1_to_hex_zero(const unsigned char *sha1)
static void resolve(const char *base, struct name_entry *branch1, struct name_entry *result)
{
- char branch1_sha1[50];
-
/* If it's already branch1, don't bother showing it */
if (!branch1)
return;
- memcpy(branch1_sha1, sha1_to_hex_zero(branch1->sha1), 41);
printf("0 %06o->%06o %s->%s %s%s\n",
branch1->mode, result->mode,
- branch1_sha1, sha1_to_hex_zero(result->sha1),
+ sha1_to_hex_zero(branch1->sha1),
+ sha1_to_hex_zero(result->sha1),
base, result->path);
}
diff --git a/sha1_file.c b/sha1_file.c
index f2d33afb2..546482825 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -108,9 +108,10 @@ int safe_create_leading_directories(char *path)
char * sha1_to_hex(const unsigned char *sha1)
{
- static char buffer[50];
+ static int bufno;
+ static char hexbuffer[4][50];
static const char hex[] = "0123456789abcdef";
- char *buf = buffer;
+ char *buffer = hexbuffer[3 & ++bufno], *buf = buffer;
int i;
for (i = 0; i < 20; i++) {