X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-for-each-ref.c;h=c74ef2800c839a5537707c5c64aa55acb2a9efad;hb=c2e6b6d0d1e97c5bc2db24388e247bef62faf917;hp=c904ac31018cc3b085367764e95dd0e17657a212;hpb=d392e712a844e6ce029aa901902e08a3da82f89d;p=git.git

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index c904ac310..c74ef2800 100644
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -43,7 +43,7 @@ static struct {
 	{ "objectsize", FIELD_ULONG },
 	{ "objectname" },
 	{ "tree" },
-	{ "parent" }, /* NEEDSWORK: how to address 2nd and later parents? */
+	{ "parent" },
 	{ "numparent", FIELD_ULONG },
 	{ "object" },
 	{ "type" },
@@ -87,7 +87,6 @@ static int used_atom_cnt, sort_atom_limit, need_tagged;
 static int parse_atom(const char *atom, const char *ep)
 {
 	const char *sp;
-	char *n;
 	int i, at;
 
 	sp = atom;
@@ -113,7 +112,7 @@ static int parse_atom(const char *atom, const char *ep)
 		 * table.
 		 */
 		const char *formatp = strchr(sp, ':');
-		if (!formatp)
+		if (!formatp || ep < formatp)
 			formatp = ep;
 		if (len == formatp - sp && !memcmp(valid_atom[i].name, sp, len))
 			break;
@@ -129,10 +128,7 @@ static int parse_atom(const char *atom, const char *ep)
 			     (sizeof *used_atom) * used_atom_cnt);
 	used_atom_type = xrealloc(used_atom_type,
 				  (sizeof(*used_atom_type) * used_atom_cnt));
-	n = xmalloc(ep - atom + 1);
-	memcpy(n, atom, ep - atom);
-	n[ep-atom] = 0;
-	used_atom[at] = n;
+	used_atom[at] = xmemdupz(atom, ep - atom);
 	used_atom_type[at] = valid_atom[i].cmp_type;
 	return at;
 }
@@ -271,24 +267,26 @@ static void grab_commit_values(struct atom_value *val, int deref, struct object
 		}
 		if (!strcmp(name, "numparent")) {
 			char *s = xmalloc(40);
+			v->ul = num_parents(commit);
 			sprintf(s, "%lu", v->ul);
 			v->s = s;
-			v->ul = num_parents(commit);
 		}
 		else if (!strcmp(name, "parent")) {
 			int num = num_parents(commit);
 			int i;
 			struct commit_list *parents;
-			char *s = xmalloc(42 * num);
+			char *s = xmalloc(41 * num + 1);
 			v->s = s;
 			for (i = 0, parents = commit->parents;
 			     parents;
-			     parents = parents->next, i = i + 42) {
+			     parents = parents->next, i = i + 41) {
 				struct commit *parent = parents->item;
 				strcpy(s+i, sha1_to_hex(parent->object.sha1));
 				if (parents->next)
 					s[i+40] = ' ';
 			}
+			if (!i)
+				*s = '\0';
 		}
 	}
 }
@@ -314,46 +312,28 @@ static const char *find_wholine(const char *who, int wholen, const char *buf, un
 static const char *copy_line(const char *buf)
 {
 	const char *eol = strchr(buf, '\n');
-	char *line;
-	int len;
 	if (!eol)
 		return "";
-	len = eol - buf;
-	line = xmalloc(len + 1);
-	memcpy(line, buf, len);
-	line[len] = 0;
-	return line;
+	return xmemdupz(buf, eol - buf);
 }
 
 static const char *copy_name(const char *buf)
 {
-	const char *eol = strchr(buf, '\n');
-	const char *eoname = strstr(buf, " <");
-	char *line;
-	int len;
-	if (!(eoname && eol && eoname < eol))
-		return "";
-	len = eoname - buf;
-	line = xmalloc(len + 1);
-	memcpy(line, buf, len);
-	line[len] = 0;
-	return line;
+	const char *cp;
+	for (cp = buf; *cp && *cp != '\n'; cp++) {
+		if (!strncmp(cp, " <", 2))
+			return xmemdupz(buf, cp - buf);
+	}
+	return "";
 }
 
 static const char *copy_email(const char *buf)
 {
 	const char *email = strchr(buf, '<');
 	const char *eoemail = strchr(email, '>');
-	char *line;
-	int len;
 	if (!email || !eoemail)
 		return "";
-	eoemail++;
-	len = eoemail - email;
-	line = xmalloc(len + 1);
-	memcpy(line, email, len);
-	line[len] = 0;
-	return line;
+	return xmemdupz(email, eoemail + 1 - email);
 }
 
 static void grab_date(const char *buf, struct atom_value *v, const char *atomname)