blame: cmp_suspect is not "cmp" anymore.

The earlier round makes the function return "is it different"
and it does not return a value suitable for sorting anymore.  Reverse
the logic to return "are they the same suspect" instead, and rename
it to "same_suspect()".

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-blame.c b/builtin-blame.c
index 104521e673e37cc9d2c9a7f54dae5b3d4d957ea5..60ec5354f11c61c49829d41e8c07d22573f16bc7 100644 (file)
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -180,15 +180,15 @@ struct scoreboard {
        int *lineno;
 };
 
-static int cmp_suspect(struct origin *a, struct origin *b)
+static inline int same_suspect(struct origin *a, struct origin *b)
 {
-       if (a->commit != b->commit)
+       if (a == b)
                return 1;
-       return strcmp(a->path, b->path);
+       if (a->commit != b->commit)
+               return 0;
+       return !strcmp(a->path, b->path);
 }
 
-#define cmp_suspect(a, b) ( ((a)==(b)) ? 0 : cmp_suspect(a,b) )
-
 static void sanity_check_refcnt(struct scoreboard *);
 
 /*
@@ -201,7 +201,7 @@ static void coalesce(struct scoreboard *sb)
        struct blame_entry *ent, *next;
 
        for (ent = sb->ent; ent && (next = ent->next); ent = next) {
-               if (!cmp_suspect(ent->suspect, next->suspect) &&
+               if (same_suspect(ent->suspect, next->suspect) &&
                    ent->guilty == next->guilty &&
                    ent->s_lno + ent->num_lines == next->s_lno) {
                        ent->num_lines += next->num_lines;
@@ -774,7 +774,7 @@ 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 || cmp_suspect(e->suspect, target))
+               if (e->guilty || !same_suspect(e->suspect, target))
                        continue;
                if (last_in_target < e->s_lno + e->num_lines)
                        last_in_target = e->s_lno + e->num_lines;
@@ -794,7 +794,7 @@ static void blame_chunk(struct scoreboard *sb,
        struct blame_entry *e;
 
        for (e = sb->ent; e; e = e->next) {
-               if (e->guilty || cmp_suspect(e->suspect, target))
+               if (e->guilty || !same_suspect(e->suspect, target))
                        continue;
                if (same <= e->s_lno)
                        continue;
@@ -969,7 +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 || cmp_suspect(e->suspect, target))
+                       if (e->guilty || !same_suspect(e->suspect, target))
                                continue;
                        find_copy_in_blob(sb, e, parent, split, &file_p);
                        if (split[1].suspect &&
@@ -1001,12 +1001,12 @@ static struct blame_list *setup_blame_list(struct scoreboard *sb,
        struct blame_list *blame_list = NULL;
 
        for (e = sb->ent, num_ents = 0; e; e = e->next)
-               if (!e->guilty && !cmp_suspect(e->suspect, target))
+               if (!e->guilty && same_suspect(e->suspect, target))
                        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->guilty && !cmp_suspect(e->suspect, target))
+                       if (!e->guilty && same_suspect(e->suspect, target))
                                blame_list[i++].ent = e;
        }
        *num_ents_p = num_ents;
@@ -1136,7 +1136,7 @@ static void pass_whole_blame(struct scoreboard *sb,
                origin->file.ptr = NULL;
        }
        for (e = sb->ent; e; e = e->next) {
-               if (cmp_suspect(e->suspect, origin))
+               if (!same_suspect(e->suspect, origin))
                        continue;
                origin_incref(porigin);
                origin_decref(e->suspect);
@@ -1442,7 +1442,7 @@ static void assign_blame(struct scoreboard *sb, struct rev_info *revs, int opt)
 
                /* Take responsibility for the remaining entries */
                for (ent = sb->ent; ent; ent = ent->next)
-                       if (!cmp_suspect(ent->suspect, suspect))
+                       if (same_suspect(ent->suspect, suspect))
                                found_guilty_entry(ent);
                origin_decref(suspect);