X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-blame.c;h=60ec5354f11c61c49829d41e8c07d22573f16bc7;hb=885b98107547fe3f6d17ca0af0578e040f7600d0;hp=1a752b95bb32578cd3ecb69153b55f605b8bfdc3;hpb=460ca302fdf453459850676c049ed7b46b43a0d4;p=git.git

diff --git a/builtin-blame.c b/builtin-blame.c
index 1a752b95b..60ec5354f 100644
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -87,9 +87,9 @@ struct origin {
 static char *fill_origin_blob(struct origin *o, mmfile_t *file)
 {
 	if (!o->file.ptr) {
-		char type[10];
+		enum object_type type;
 		num_read_blob++;
-		file->ptr = read_sha1_file(o->blob_sha1, type,
+		file->ptr = read_sha1_file(o->blob_sha1, &type,
 					   (unsigned long *)(&(file->size)));
 		o->file = *file;
 	}
@@ -180,16 +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)
 {
-	int cmp = hashcmp(a->commit->object.sha1, b->commit->object.sha1);
-	if (cmp)
-		return cmp;
-	return strcmp(a->path, b->path);
+	if (a == b)
+		return 1;
+	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 *);
 
 /*
@@ -202,7 +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;
@@ -263,7 +262,6 @@ static struct origin *get_origin(struct scoreboard *sb,
 static int fill_blob_sha1(struct origin *origin)
 {
 	unsigned mode;
-	char type[10];
 
 	if (!is_null_sha1(origin->blob_sha1))
 		return 0;
@@ -271,8 +269,7 @@ static int fill_blob_sha1(struct origin *origin)
 			   origin->path,
 			   origin->blob_sha1, &mode))
 		goto error_out;
-	if (sha1_object_info(origin->blob_sha1, type, NULL) ||
-	    strcmp(type, blob_type))
+	if (sha1_object_info(origin->blob_sha1, NULL) != OBJ_BLOB)
 		goto error_out;
 	return 0;
  error_out:
@@ -777,7 +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;
@@ -797,7 +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;
@@ -972,7 +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 &&
@@ -1004,12 +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;
@@ -1139,7 +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);
@@ -1246,26 +1243,26 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt)
  */
 struct commit_info
 {
-	char *author;
-	char *author_mail;
+	const char *author;
+	const char *author_mail;
 	unsigned long author_time;
-	char *author_tz;
+	const char *author_tz;
 
 	/* filled only when asked for details */
-	char *committer;
-	char *committer_mail;
+	const char *committer;
+	const char *committer_mail;
 	unsigned long committer_time;
-	char *committer_tz;
+	const char *committer_tz;
 
-	char *summary;
+	const char *summary;
 };
 
 /*
  * Parse author/committer line in the commit object buffer
  */
 static void get_ac_line(const char *inbuf, const char *what,
-			int bufsz, char *person, char **mail,
-			unsigned long *time, char **tz)
+			int bufsz, char *person, const char **mail,
+			unsigned long *time, const char **tz)
 {
 	int len;
 	char *tmp, *endp;
@@ -1282,7 +1279,7 @@ static void get_ac_line(const char *inbuf, const char *what,
 	if (bufsz <= len) {
 	error_out:
 		/* Ugh */
-		person = *mail = *tz = "(unknown)";
+		*mail = *tz = "(unknown)";
 		*time = 0;
 		return;
 	}
@@ -1322,10 +1319,10 @@ static void get_commit_info(struct commit *commit,
 	 * we now need to populate them for output.
 	 */
 	if (!commit->buffer) {
-		char type[20];
+		enum object_type type;
 		unsigned long size;
 		commit->buffer =
-			read_sha1_file(commit->object.sha1, type, &size);
+			read_sha1_file(commit->object.sha1, &type, &size);
 	}
 	ret->author = author_buf;
 	get_ac_line(commit->buffer, "\nauthor ",
@@ -1445,7 +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);
 
@@ -1965,7 +1962,7 @@ static struct commit *fake_working_tree_commit(const char *path, const char *con
 				die("Cannot lstat %s", path);
 			read_from = path;
 		}
-		fin_size = st.st_size;
+		fin_size = xsize_t(st.st_size);
 		buf = xmalloc(fin_size+1);
 		mode = canon_mode(st.st_mode);
 		switch (st.st_mode & S_IFMT) {
@@ -2006,7 +2003,7 @@ static struct commit *fake_working_tree_commit(const char *path, const char *con
 	buf[fin_size] = 0;
 	origin->file.ptr = buf;
 	origin->file.size = fin_size;
-	pretend_sha1_file(buf, fin_size, blob_type, origin->blob_sha1);
+	pretend_sha1_file(buf, fin_size, OBJ_BLOB, origin->blob_sha1);
 	commit->util = origin;
 
 	/*
@@ -2065,9 +2062,10 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 	int i, seen_dashdash, unk, opt;
 	long bottom, top, lno;
 	int output_option = 0;
+	int show_stats = 0;
 	const char *revs_file = NULL;
 	const char *final_commit_name = NULL;
-	char type[10];
+	enum object_type type;
 	const char *bottomtop = NULL;
 	const char *contents_from = NULL;
 
@@ -2086,6 +2084,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 			blank_boundary = 1;
 		else if (!strcmp("--root", arg))
 			show_root = 1;
+		else if (!strcmp(arg, "--show-stats"))
+			show_stats = 1;
 		else if (!strcmp("-c", arg))
 			output_option |= OUTPUT_ANNOTATE_COMPAT;
 		else if (!strcmp("-t", arg))
@@ -2094,17 +2094,17 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 			output_option |= OUTPUT_LONG_OBJECT_NAME;
 		else if (!strcmp("-S", arg) && ++i < argc)
 			revs_file = argv[i];
-		else if (!strncmp("-M", arg, 2)) {
+		else if (!prefixcmp(arg, "-M")) {
 			opt |= PICKAXE_BLAME_MOVE;
 			blame_move_score = parse_score(arg+2);
 		}
-		else if (!strncmp("-C", arg, 2)) {
+		else if (!prefixcmp(arg, "-C")) {
 			if (opt & PICKAXE_BLAME_COPY)
 				opt |= PICKAXE_BLAME_COPY_HARDER;
 			opt |= PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE;
 			blame_copy_score = parse_score(arg+2);
 		}
-		else if (!strncmp("-L", arg, 2)) {
+		else if (!prefixcmp(arg, "-L")) {
 			if (!arg[2]) {
 				if (++i >= argc)
 					usage(blame_usage);
@@ -2299,7 +2299,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 		if (fill_blob_sha1(o))
 			die("no such path %s in %s", path, final_commit_name);
 
-		sb.final_buf = read_sha1_file(o->blob_sha1, type,
+		sb.final_buf = read_sha1_file(o->blob_sha1, &type,
 					      &sb.final_buf_size);
 	}
 	num_read_blob++;
@@ -2351,7 +2351,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 		ent = e;
 	}
 
-	if (DEBUG) {
+	if (show_stats) {
 		printf("num read blob: %d\n", num_read_blob);
 		printf("num get patch: %d\n", num_get_patch);
 		printf("num commits: %d\n", num_commits);