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Diffstat (limited to 'sha1_name.c')
-rw-r--r--sha1_name.c74
1 files changed, 40 insertions, 34 deletions
diff --git a/sha1_name.c b/sha1_name.c
index da6874c15e..ab5a163c9b 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -87,20 +87,23 @@ static void find_short_object_filename(int len, const char *hex_pfx, struct disa
* object databases including our own.
*/
const char *objdir = get_object_directory();
- int objdir_len = strlen(objdir);
- int entlen = objdir_len + 43;
- fakeent = xmalloc(sizeof(*fakeent) + entlen);
+ size_t objdir_len = strlen(objdir);
+ fakeent = xmalloc(st_add3(sizeof(*fakeent), objdir_len, 43));
memcpy(fakeent->base, objdir, objdir_len);
fakeent->name = fakeent->base + objdir_len + 1;
fakeent->name[-1] = '/';
}
fakeent->next = alt_odb_list;
- sprintf(hex, "%.2s", hex_pfx);
+ xsnprintf(hex, sizeof(hex), "%.2s", hex_pfx);
for (alt = fakeent; alt && !ds->ambiguous; alt = alt->next) {
struct dirent *de;
DIR *dir;
- sprintf(alt->name, "%.2s/", hex_pfx);
+ /*
+ * every alt_odb struct has 42 extra bytes after the base
+ * for exactly this purpose
+ */
+ xsnprintf(alt->name, 42, "%.2s/", hex_pfx);
dir = opendir(alt->base);
if (!dir)
continue;
@@ -368,14 +371,13 @@ int for_each_abbrev(const char *prefix, each_abbrev_fn fn, void *cb_data)
return ds.ambiguous;
}
-const char *find_unique_abbrev(const unsigned char *sha1, int len)
+int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len)
{
int status, exists;
- static char hex[41];
- memcpy(hex, sha1_to_hex(sha1), 40);
+ sha1_to_hex_r(hex, sha1);
if (len == 40 || !len)
- return hex;
+ return 40;
exists = has_sha1_file(sha1);
while (len < 40) {
unsigned char sha1_ret[20];
@@ -384,10 +386,17 @@ const char *find_unique_abbrev(const unsigned char *sha1, int len)
? !status
: status == SHORT_NAME_NOT_FOUND) {
hex[len] = 0;
- return hex;
+ return len;
}
len++;
}
+ return len;
+}
+
+const char *find_unique_abbrev(const unsigned char *sha1, int len)
+{
+ static char hex[GIT_SHA1_HEXSZ + 1];
+ find_unique_abbrev_r(hex, sha1, len);
return hex;
}
@@ -606,13 +615,13 @@ static int get_parent(const char *name, int len,
if (parse_commit(commit))
return -1;
if (!idx) {
- hashcpy(result, commit->object.sha1);
+ hashcpy(result, commit->object.oid.hash);
return 0;
}
p = commit->parents;
while (p) {
if (!--idx) {
- hashcpy(result, p->item->object.sha1);
+ hashcpy(result, p->item->object.oid.hash);
return 0;
}
p = p->next;
@@ -639,7 +648,7 @@ static int get_nth_ancestor(const char *name, int len,
return -1;
commit = commit->parents->item;
}
- hashcpy(result, commit->object.sha1);
+ hashcpy(result, commit->object.oid.hash);
return 0;
}
@@ -649,7 +658,7 @@ struct object *peel_to_type(const char *name, int namelen,
if (name && !namelen)
namelen = strlen(name);
while (1) {
- if (!o || (!o->parsed && !parse_object(o->sha1)))
+ if (!o || (!o->parsed && !parse_object(o->oid.hash)))
return NULL;
if (expected_type == OBJ_ANY || o->type == expected_type)
return o;
@@ -726,9 +735,9 @@ static int peel_onion(const char *name, int len, unsigned char *sha1)
return -1;
if (!expected_type) {
o = deref_tag(o, name, sp - name - 2);
- if (!o || (!o->parsed && !parse_object(o->sha1)))
+ if (!o || (!o->parsed && !parse_object(o->oid.hash)))
return -1;
- hashcpy(sha1, o->sha1);
+ hashcpy(sha1, o->oid.hash);
return 0;
}
@@ -741,7 +750,7 @@ static int peel_onion(const char *name, int len, unsigned char *sha1)
if (!o)
return -1;
- hashcpy(sha1, o->sha1);
+ hashcpy(sha1, o->oid.hash);
if (sp[0] == '/') {
/* "$commit^{/foo}" */
char *prefix;
@@ -872,12 +881,12 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
if (prefix[0] == '!') {
if (prefix[1] != '!')
- die ("Invalid search pattern: %s", prefix);
+ return -1;
prefix++;
}
if (regcomp(&regex, prefix, REG_EXTENDED))
- die("Invalid search pattern: %s", prefix);
+ return -1;
for (l = list; l; l = l->next) {
l->item->object.flags |= ONELINE_SEEN;
@@ -889,7 +898,7 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
int matches;
commit = pop_most_recent_commit(&list, ONELINE_SEEN);
- if (!parse_object(commit->object.sha1))
+ if (!parse_object(commit->object.oid.hash))
continue;
buf = get_commit_buffer(commit, NULL);
p = strstr(buf, "\n\n");
@@ -897,7 +906,7 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
unuse_commit_buffer(commit, buf);
if (matches) {
- hashcpy(sha1, commit->object.sha1);
+ hashcpy(sha1, commit->object.oid.hash);
found = 1;
break;
}
@@ -1012,7 +1021,7 @@ int get_sha1_mb(const char *name, unsigned char *sha1)
st = -1;
else {
st = 0;
- hashcpy(sha1, mbs->item->object.sha1);
+ hashcpy(sha1, mbs->item->object.oid.hash);
}
free_commit_list(mbs);
return st;
@@ -1283,8 +1292,7 @@ static void diagnose_invalid_index_path(int stage,
const struct cache_entry *ce;
int pos;
unsigned namelen = strlen(filename);
- unsigned fullnamelen;
- char *fullname;
+ struct strbuf fullname = STRBUF_INIT;
if (!prefix)
prefix = "";
@@ -1304,21 +1312,19 @@ static void diagnose_invalid_index_path(int stage,
}
/* Confusion between relative and absolute filenames? */
- fullnamelen = namelen + strlen(prefix);
- fullname = xmalloc(fullnamelen + 1);
- strcpy(fullname, prefix);
- strcat(fullname, filename);
- pos = cache_name_pos(fullname, fullnamelen);
+ strbuf_addstr(&fullname, prefix);
+ strbuf_addstr(&fullname, filename);
+ pos = cache_name_pos(fullname.buf, fullname.len);
if (pos < 0)
pos = -pos - 1;
if (pos < active_nr) {
ce = active_cache[pos];
- if (ce_namelen(ce) == fullnamelen &&
- !memcmp(ce->name, fullname, fullnamelen))
+ if (ce_namelen(ce) == fullname.len &&
+ !memcmp(ce->name, fullname.buf, fullname.len))
die("Path '%s' is in the index, but not '%s'.\n"
"Did you mean ':%d:%s' aka ':%d:./%s'?",
- fullname, filename,
- ce_stage(ce), fullname,
+ fullname.buf, filename,
+ ce_stage(ce), fullname.buf,
ce_stage(ce), filename);
}
@@ -1328,7 +1334,7 @@ static void diagnose_invalid_index_path(int stage,
die("Path '%s' does not exist (neither on disk nor in the index).",
filename);
- free(fullname);
+ strbuf_release(&fullname);
}