tag.c: Parse tagger date (if present)

diff --git a/builtin-blame.c b/builtin-blame.c
index fd6ca51eebb2234be429b47b572ae2f30592ff4e..10f7eacf6e881cdb54a6b4a4c0aafc5f9751e5a9 100644 (file)
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -1305,6 +1305,7 @@ static void get_ac_line(const char *inbuf, const char *what,
        error_out:
                /* Ugh */
                *tz = "(unknown)";
+               strcpy(person, *tz);
                strcpy(mail, *tz);
                *time = 0;
                return;
@@ -1314,20 +1315,26 @@ static void get_ac_line(const char *inbuf, const char *what,
        tmp = person;
        tmp += len;
        *tmp = 0;
-       while (*tmp != ' ')
+       while (person < tmp && *tmp != ' ')
                tmp--;
+       if (tmp <= person)
+               goto error_out;
        *tz = tmp+1;
        tzlen = (person+len)-(tmp+1);
 
        *tmp = 0;
-       while (*tmp != ' ')
+       while (person < tmp && *tmp != ' ')
                tmp--;
+       if (tmp <= person)
+               goto error_out;
        *time = strtoul(tmp, NULL, 10);
        timepos = tmp;
 
        *tmp = 0;
-       while (*tmp != ' ')
+       while (person < tmp && *tmp != ' ')
                tmp--;
+       if (tmp <= person)
+               return;
        mailpos = tmp + 1;
        *tmp = 0;
        maillen = timepos - tmp;
@@ -1348,7 +1355,7 @@ static void get_ac_line(const char *inbuf, const char *what,
        /*
         * Now, convert both name and e-mail using mailmap
         */
-       if(map_user(&mailmap, mail+1, mail_len-1, person, tmp-person-1)) {
+       if (map_user(&mailmap, mail+1, mail_len-1, person, tmp-person-1)) {
                /* Add a trailing '>' to email, since map_user returns plain emails
                   Note: It already has '<', since we replace from mail+1 */
                mailpos = memchr(mail, '\0', mail_len);
@@ -1604,6 +1611,9 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent)
                } while (ch != '\n' &&
                         cp < sb->final_buf + sb->final_buf_size);
        }
+
+       if (sb->final_buf_size && cp[-1] != '\n')
+               putchar('\n');
 }
 
 static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
@@ -1667,6 +1677,9 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
                } while (ch != '\n' &&
                         cp < sb->final_buf + sb->final_buf_size);
        }
+
+       if (sb->final_buf_size && cp[-1] != '\n')
+               putchar('\n');
 }
 
 static void output(struct scoreboard *sb, int option)
@@ -2352,6 +2365,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                        die_errno("cannot stat path '%s'", path);
        }
 
+       revs.disable_stdin = 1;
        setup_revisions(argc, argv, &revs, NULL);
        memset(&sb, 0, sizeof(sb));
 
@@ -2419,7 +2433,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
        if (top < 1)
                top = lno;
        bottom--;
-       if (lno < top)
+       if (lno < top || lno < bottom)
                die("file %s has only %lu lines", path, lno);
 
        ent = xcalloc(1, sizeof(*ent));