diff options
| -rw-r--r-- | builtin/blame.c | 46 |
1 files changed, 31 insertions, 15 deletions
diff --git a/builtin/blame.c b/builtin/blame.c index 9566a5ea4e..ec1955d1b0 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -1756,25 +1756,41 @@ static int prepare_lines(struct scoreboard *sb) { const char *buf = sb->final_buf; unsigned long len = sb->final_buf_size; - int num = 0, incomplete = 0, bol = 1; + const char *end = buf + len; + const char *p; + int *lineno; + int num = 0, incomplete = 0; - if (len && buf[len-1] != '\n') - incomplete++; /* incomplete line at the end */ - while (len--) { - if (bol) { - sb->lineno = xrealloc(sb->lineno, - sizeof(int) * (num + 1)); - sb->lineno[num] = buf - sb->final_buf; - bol = 0; - } - if (*buf++ == '\n') { + for (p = buf;;) { + p = memchr(p, '\n', end - p); + if (p) { + p++; num++; - bol = 1; + continue; } + break; } - sb->lineno = xrealloc(sb->lineno, - sizeof(int) * (num + incomplete + 1)); - sb->lineno[num + incomplete] = buf - sb->final_buf; + + if (len && end[-1] != '\n') + incomplete++; /* incomplete line at the end */ + + sb->lineno = xmalloc(sizeof(*sb->lineno) * (num + incomplete + 1)); + lineno = sb->lineno; + + *lineno++ = 0; + for (p = buf;;) { + p = memchr(p, '\n', end - p); + if (p) { + p++; + *lineno++ = p - buf; + continue; + } + break; + } + + if (incomplete) + *lineno++ = len; + sb->num_lines = num + incomplete; return sb->num_lines; } |