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json: fix UTF-8 handling

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We escape only characters below 32, plus " and \. UTF-8 should be apssed
through verbatim. Since char can be signed (and usually is), the check
broke and happened to escape UTF-8 encoded bytes too. This broke UTF-8
completely.

Note that we don't check for broken or invalid UTF-8, such as described
both in the client API and IPC docs.

Fixes #1874.
This commit is contained in:
wm4 2015-04-28 09:58:20 +02:00
parent 43b6b376dc
commit f77e3cbf0c
1 changed files with 2 additions and 2 deletions
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4
misc/json.c
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@ -218,11 +218,11 @@ int json_parse(void *ta_parent, struct mpv_node *dst, char **src, int max_depth)
#define APPEND(b, s) bstr_xappend(NULL, (b), bstr0(s))
static void write_json_str(bstr *b, char *str)
static void write_json_str(bstr *b, unsigned char *str)
{
APPEND(b, "\"");
while (1) {
char *cur = str;
unsigned char *cur = str;
while (cur[0] && cur[0] >= 32 && cur[0] != '"' && cur[0] != '\\')
cur++;
if (!cur[0])