Function parse_hunk_line

src/pipeline/pass_gitdiff.c:113–152

Parse a single @@ hunk header line and emit a hunk entry if valid. * Returns true if a hunk was added. */

/* Parse a single @@ hunk header line and emit a hunk entry if valid.
 * Returns true if a hunk was added. */
static bool parse_hunk_line(const char *line, size_t line_len, const char *current_file,
                            cbm_changed_hunk_t *out_h) {
    const char *plus = memchr(line, '+', line_len);
    if (!plus || plus <= line) {
        return false;
    }

    const char *end_at = strstr(plus, " @@");
    size_t range_len;
    if (end_at) {
        range_len = (size_t)(end_at - plus - SKIP_ONE);
    } else {
        range_len = (size_t)(line + line_len - plus - SKIP_ONE);
    }

    char range_str[CBM_SZ_64];
    if (range_len >= sizeof(range_str)) {
        range_len = sizeof(range_str) - SKIP_ONE;
    }
    memcpy(range_str, plus + SKIP_ONE, range_len);
    range_str[range_len] = '\0';

    int start;
    int cnt;
    cbm_parse_range(range_str, &start, &cnt);

    if (start <= 0 || !cbm_is_trackable_file(current_file)) {
        return false;
    }

    int end = start + cnt - SKIP_ONE;
    if (end < start) {
        end = start;
    }

    snprintf(out_h->path, sizeof(out_h->path), "%s", current_file);
    out_h->start_line = start;
    out_h->end_line = end;
    return true;
}

int cbm_parse_hunks(const char *output, cbm_changed_hunk_t *out, int max_out) {
    if (!output || !out || max_out <= 0) {