kwset: use unsigned char to store values with high-bit set

diff --git a/sha1_name.c b/sha1_name.c
index 15854e35eced2c8b0c3e796aedcfbe553c6ac38f..c2c938c4e161fc6849a87a7a19336712f36f74ff 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -451,9 +451,9 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
        int at, reflog_len, nth_prior = 0;
 
        if (len == 40 && !get_sha1_hex(str, sha1)) {
-               if (warn_on_object_refname_ambiguity) {
+               if (warn_ambiguous_refs && warn_on_object_refname_ambiguity) {
                        refs_found = dwim_ref(str, len, tmp_sha1, &real_ref);
-                       if (refs_found > 0 && warn_ambiguous_refs) {
+                       if (refs_found > 0) {
                                warning(warn_msg, len, str);
                                if (advice_object_name_warning)
                                        fprintf(stderr, "%s\n", _(object_name_msg));
@@ -546,7 +546,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
                if (read_ref_at(real_ref, at_time, nth, sha1, NULL,
                                &co_time, &co_tz, &co_cnt)) {
                        if (!len) {
-                               if (!prefixcmp(real_ref, "refs/heads/")) {
+                               if (starts_with(real_ref, "refs/heads/")) {
                                        str = real_ref + 11;
                                        len = strlen(real_ref + 11);
                                } else {
@@ -581,8 +581,6 @@ static int get_parent(const char *name, int len,
        if (ret)
                return ret;
        commit = lookup_commit_reference(sha1);
-       if (!commit)
-               return -1;
        if (parse_commit(commit))
                return -1;
        if (!idx) {
@@ -676,15 +674,15 @@ static int peel_onion(const char *name, int len, unsigned char *sha1)
                return -1;
 
        sp++; /* beginning of type name, or closing brace for empty */
-       if (!prefixcmp(sp, "commit}"))
+       if (starts_with(sp, "commit}"))
                expected_type = OBJ_COMMIT;
-       else if (!prefixcmp(sp, "tag}"))
+       else if (starts_with(sp, "tag}"))
                expected_type = OBJ_TAG;
-       else if (!prefixcmp(sp, "tree}"))
+       else if (starts_with(sp, "tree}"))
                expected_type = OBJ_TREE;
-       else if (!prefixcmp(sp, "blob}"))
+       else if (starts_with(sp, "blob}"))
                expected_type = OBJ_BLOB;
-       else if (!prefixcmp(sp, "object}"))
+       else if (starts_with(sp, "object}"))
                expected_type = OBJ_ANY;
        else if (sp[0] == '}')
                expected_type = OBJ_NONE;
@@ -821,6 +819,8 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned l
  * For future extension, ':/!' is reserved. If you want to match a message
  * beginning with a '!', you have to repeat the exclamation mark.
  */
+
+/* Remember to update object flag allocation in object.h */
 #define ONELINE_SEEN (1u<<20)
 
 static int handle_one_ref(const char *path,
@@ -862,27 +862,17 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
                commit_list_insert(l->item, &backup);
        }
        while (list) {
-               char *p, *to_free = NULL;
+               const char *p, *buf;
                struct commit *commit;
-               enum object_type type;
-               unsigned long size;
                int matches;
 
                commit = pop_most_recent_commit(&list, ONELINE_SEEN);
                if (!parse_object(commit->object.sha1))
                        continue;
-               if (commit->buffer)
-                       p = commit->buffer;
-               else {
-                       p = read_sha1_file(commit->object.sha1, &type, &size);
-                       if (!p)
-                               continue;
-                       to_free = p;
-               }
-
-               p = strstr(p, "\n\n");
+               buf = get_commit_buffer(commit, NULL);
+               p = strstr(buf, "\n\n");
                matches = p && !regexec(&regex, p + 2, 0, NULL, 0);
-               free(to_free);
+               unuse_commit_buffer(commit, buf);
 
                if (matches) {
                        hashcpy(sha1, commit->object.sha1);
@@ -911,7 +901,7 @@ static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1,
        const char *match = NULL, *target = NULL;
        size_t len;
 
-       if (!prefixcmp(message, "checkout: moving from ")) {
+       if (starts_with(message, "checkout: moving from ")) {
                match = message + strlen("checkout: moving from ");
                target = strstr(match, " to ");
        }
@@ -1333,7 +1323,7 @@ static void diagnose_invalid_index_path(int stage,
 
 static char *resolve_relative_path(const char *rel)
 {
-       if (prefixcmp(rel, "./") && prefixcmp(rel, "../"))
+       if (!starts_with(rel, "./") && !starts_with(rel, "../"))
                return NULL;
 
        if (!startup_info)