xsize_t: check whether we lose bits

diff --git a/builtin-fmt-merge-msg.c b/builtin-fmt-merge-msg.c
index 5be6fb4388e6d1df53de4c06db1acb32d24426c1..5c145d2165027adc5e5d44c6dda969e1ed86be57 100644 (file)
--- a/builtin-fmt-merge-msg.c
+++ b/builtin-fmt-merge-msg.c
@@ -81,7 +81,7 @@ static int handle_line(char *line)
        if (len < 43 || line[40] != '\t')
                return 1;
 
-       if (!strncmp(line + 41, "not-for-merge", 13))
+       if (!prefixcmp(line + 41, "not-for-merge"))
                return 0;
 
        if (line[41] != '\t')
@@ -119,15 +119,15 @@ static int handle_line(char *line)
        if (pulling_head) {
                origin = xstrdup(src);
                src_data->head_status |= 1;
-       } else if (!strncmp(line, "branch ", 7)) {
+       } else if (!prefixcmp(line, "branch ")) {
                origin = xstrdup(line + 7);
                append_to_list(&src_data->branch, origin, NULL);
                src_data->head_status |= 2;
-       } else if (!strncmp(line, "tag ", 4)) {
+       } else if (!prefixcmp(line, "tag ")) {
                origin = line;
                append_to_list(&src_data->tag, xstrdup(origin + 4), NULL);
                src_data->head_status |= 2;
-       } else if (!strncmp(line, "remote branch ", 14)) {
+       } else if (!prefixcmp(line, "remote branch ")) {
                origin = xstrdup(line + 14);
                append_to_list(&src_data->r_branch, origin, NULL);
                src_data->head_status |= 2;
@@ -282,7 +282,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
        current_branch = resolve_ref("HEAD", head_sha1, 1, NULL);
        if (!current_branch)
                die("No current branch");
-       if (!strncmp(current_branch, "refs/heads/", 11))
+       if (!prefixcmp(current_branch, "refs/heads/"))
                current_branch += 11;
 
        while (fgets(line, sizeof(line), in)) {