konjson: allocate strings by their own length

1 files changed, 5 insertions, 2 deletions

diff --git a/kon/konjson.h b/kon/konjson.h
index 1e95990..126736d 100644
--- a/kon/konjson.h
+++ b/kon/konjson.h
@@ -166,13 +166,16 @@ static int kon__jsonUtf8(char *out, unsigned cp)
 
 static char *kon__jsonString(kon_jsonParser_t *ps)
 {
-	const char *start;
+	const char *start, *scan;
 	char *out;
 	size_t n = 0;
 
 	ps->p++;
 	start = ps->p;
-	out = malloc((size_t)(ps->end - start) + 1);
+	for (scan = start; scan < ps->end && *scan != '"'; scan++) {
+		if (*scan == '\\' && scan + 1 < ps->end) scan++;
+	}
+	out = malloc((size_t)(scan - start) + 1);
 	if (!out) {
 		kon__jsonFail(ps, "out of memory");
 		return NULL;