Merge branch 'jk/pack-bitmap'
[gitweb.git] / builtin / blame.c
index 219559551d0304c27462d63f9e8966967dbe1fb1..e5b5d71bad8653f4b9d19044c3c36dc2ab8b42f1 100644 (file)
@@ -255,15 +255,6 @@ struct scoreboard {
        int *lineno;
 };
 
-static inline int same_suspect(struct origin *a, struct origin *b)
-{
-       if (a == b)
-               return 1;
-       if (a->commit != b->commit)
-               return 0;
-       return !strcmp(a->path, b->path);
-}
-
 static void sanity_check_refcnt(struct scoreboard *);
 
 /*
@@ -276,7 +267,7 @@ static void coalesce(struct scoreboard *sb)
        struct blame_entry *ent, *next;
 
        for (ent = sb->ent; ent && (next = ent->next); ent = next) {
-               if (same_suspect(ent->suspect, next->suspect) &&
+               if (ent->suspect == next->suspect &&
                    ent->guilty == next->guilty &&
                    ent->s_lno + ent->num_lines == next->s_lno) {
                        ent->num_lines += next->num_lines;
@@ -735,7 +726,7 @@ static int find_last_in_target(struct scoreboard *sb, struct origin *target)
        int last_in_target = -1;
 
        for (e = sb->ent; e; e = e->next) {
-               if (e->guilty || !same_suspect(e->suspect, target))
+               if (e->guilty || e->suspect != target)
                        continue;
                if (last_in_target < e->s_lno + e->num_lines)
                        last_in_target = e->s_lno + e->num_lines;
@@ -755,7 +746,7 @@ static void blame_chunk(struct scoreboard *sb,
        struct blame_entry *e;
 
        for (e = sb->ent; e; e = e->next) {
-               if (e->guilty || !same_suspect(e->suspect, target))
+               if (e->guilty || e->suspect != target)
                        continue;
                if (same <= e->s_lno)
                        continue;
@@ -932,7 +923,6 @@ static void find_copy_in_blob(struct scoreboard *sb,
                              mmfile_t *file_p)
 {
        const char *cp;
-       int cnt;
        mmfile_t file_o;
        struct handle_split_cb_data d;
 
@@ -943,13 +933,7 @@ static void find_copy_in_blob(struct scoreboard *sb,
         */
        cp = nth_line(sb, ent->lno);
        file_o.ptr = (char *) cp;
-       cnt = ent->num_lines;
-
-       while (cnt && cp < sb->final_buf + sb->final_buf_size) {
-               if (*cp++ == '\n')
-                       cnt--;
-       }
-       file_o.size = cp - file_o.ptr;
+       file_o.size = nth_line(sb, ent->lno + ent->num_lines) - cp;
 
        /*
         * file_o is a part of final image we are annotating.
@@ -985,7 +969,7 @@ static int find_move_in_parent(struct scoreboard *sb,
        while (made_progress) {
                made_progress = 0;
                for (e = sb->ent; e; e = e->next) {
-                       if (e->guilty || !same_suspect(e->suspect, target) ||
+                       if (e->guilty || e->suspect != target ||
                            ent_score(sb, e) < blame_move_score)
                                continue;
                        find_copy_in_blob(sb, e, parent, split, &file_p);
@@ -1020,14 +1004,14 @@ static struct blame_list *setup_blame_list(struct scoreboard *sb,
 
        for (e = sb->ent, num_ents = 0; e; e = e->next)
                if (!e->scanned && !e->guilty &&
-                   same_suspect(e->suspect, target) &&
+                   e->suspect == target &&
                    min_score < ent_score(sb, e))
                        num_ents++;
        if (num_ents) {
                blame_list = xcalloc(num_ents, sizeof(struct blame_list));
                for (e = sb->ent, i = 0; e; e = e->next)
                        if (!e->scanned && !e->guilty &&
-                           same_suspect(e->suspect, target) &&
+                           e->suspect == target &&
                            min_score < ent_score(sb, e))
                                blame_list[i++].ent = e;
        }
@@ -1171,7 +1155,7 @@ static void pass_whole_blame(struct scoreboard *sb,
                origin->file.ptr = NULL;
        }
        for (e = sb->ent; e; e = e->next) {
-               if (!same_suspect(e->suspect, origin))
+               if (e->suspect != origin)
                        continue;
                origin_incref(porigin);
                origin_decref(e->suspect);
@@ -1560,7 +1544,7 @@ static void assign_blame(struct scoreboard *sb, int opt)
 
                /* Take responsibility for the remaining entries */
                for (ent = sb->ent; ent; ent = ent->next)
-                       if (same_suspect(ent->suspect, suspect))
+                       if (ent->suspect == suspect)
                                found_guilty_entry(ent);
                origin_decref(suspect);
 
@@ -1573,14 +1557,14 @@ static const char *format_time(unsigned long time, const char *tz_str,
                               int show_raw_time)
 {
        static char time_buf[128];
-       const char *time_str;
-       int time_len;
-       int tz;
 
        if (show_raw_time) {
                snprintf(time_buf, sizeof(time_buf), "%lu %s", time, tz_str);
        }
        else {
+               const char *time_str;
+               int time_len;
+               int tz;
                tz = atoi(tz_str);
                time_str = show_date(time, tz, blame_date_mode);
                time_len = strlen(time_str);
@@ -1765,25 +1749,41 @@ 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;
 }