Sync with 2.6.5

diff --git a/sha1_name.c b/sha1_name.c
index c58b4771c0f1157a7e48ca53b0136f274146efc3..892db21813bc484628e940274e742d103629b0ed 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -96,11 +96,15 @@ static void find_short_object_filename(int len, const char *hex_pfx, struct disa
        }
        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;
@@ -612,13 +616,13 @@ 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;
@@ -645,7 +649,7 @@ 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;
 }
 
@@ -655,7 +659,7 @@ 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;
@@ -732,9 +736,9 @@ 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;
        }
 
@@ -747,7 +751,7 @@ 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;
@@ -895,7 +899,7 @@ 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");
@@ -903,7 +907,7 @@ 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;
                }
@@ -1018,7 +1022,7 @@ 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;
@@ -1289,8 +1293,7 @@ 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 = "";
@@ -1310,21 +1313,19 @@ 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);
        }
 
@@ -1334,7 +1335,7 @@ 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);
 }