Merge branch 'ef/maint-strbuf-init'

* ef/maint-strbuf-init:
  config: support values longer than 1023 bytes
  strbuf: make sure buffer is zero-terminated

3 files changed, 12 insertions, 12 deletions

diff --git a/config.c b/config.c
index d06fb19d51..5f9ec28945 100644
--- a/config.c
+++ b/config.c
@@ -133,23 +133,21 @@ static int get_next_char(void)
 
 static char *parse_value(void)
 {
-	static char value[1024];
-	int quote = 0, comment = 0, len = 0, space = 0;
+	static struct strbuf value = STRBUF_INIT;
+	int quote = 0, comment = 0, space = 0;
 
+	strbuf_reset(&value);
 	for (;;) {
 		int c = get_next_char();
-		if (len >= sizeof(value) - 1)
-			return NULL;
 		if (c == '\n') {
 			if (quote)
 				return NULL;
-			value[len] = 0;
-			return value;
+			return value.buf;
 		}
 		if (comment)
 			continue;
 		if (isspace(c) && !quote) {
-			if (len)
+			if (value.len)
 				space++;
 			continue;
 		}
@@ -160,7 +158,7 @@ static char *parse_value(void)
 			}
 		}
 		for (; space; space--)
-			value[len++] = ' ';
+			strbuf_addch(&value, ' ');
 		if (c == '\\') {
 			c = get_next_char();
 			switch (c) {
@@ -182,14 +180,14 @@ static char *parse_value(void)
 			default:
 				return NULL;
 			}
-			value[len++] = c;
+			strbuf_addch(&value, c);
 			continue;
 		}
 		if (c == '"') {
 			quote = 1-quote;
 			continue;
 		}
-		value[len++] = c;
+		strbuf_addch(&value, c);
 	}
 }
 
diff --git a/strbuf.c b/strbuf.c
index 77444a94df..09c43ae59a 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -30,8 +30,10 @@ void strbuf_init(struct strbuf *sb, size_t hint)
 {
 	sb->alloc = sb->len = 0;
 	sb->buf = strbuf_slopbuf;
-	if (hint)
+	if (hint) {
 		strbuf_grow(sb, hint);
+		sb->buf[0] = '\0';
+	}
 }
 
 void strbuf_release(struct strbuf *sb)
diff --git a/t/t1303-wacky-config.sh b/t/t1303-wacky-config.sh
index 080117c6bc..46103a1591 100755
--- a/t/t1303-wacky-config.sh
+++ b/t/t1303-wacky-config.sh
@@ -44,7 +44,7 @@ LONG_VALUE=$(printf "x%01021dx a" 7)
 test_expect_success 'do not crash on special long config line' '
 	setup &&
 	git config section.key "$LONG_VALUE" &&
-	check section.key "fatal: bad config file line 2 in .git/config"
+	check section.key "$LONG_VALUE"
 '
 
 test_done