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spa: add locale independent spa_dtoa

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And use this in spa_json_format_float() where we also avoid invalid
json floats.
Use json float format in some places where we serialize json floats.
Add a unit test.

See #2223
This commit is contained in:
Wim Taymans 2022-03-21 10:41:44 +01:00
parent 5f4d031db0
commit 2b16df4e89
6 changed files with 40 additions and 13 deletions
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7
spa/plugins/audioconvert/channelmix.c
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@ -695,7 +695,7 @@ static int parse_prop_params(struct impl *this, struct spa_pod *params)
while (true) {
const char *name;
struct spa_pod *pod;
char value[512];
char value[512], buf[128];
if (spa_pod_parser_get_string(&prs, &name) < 0)
break;
@ -706,8 +706,9 @@ static int parse_prop_params(struct impl *this, struct spa_pod *params)
if (spa_pod_is_string(pod)) {
spa_pod_copy_string(pod, sizeof(value), value);
} else if (spa_pod_is_float(pod)) {
snprintf(value, sizeof(value), "%f",
SPA_POD_VALUE(struct spa_pod_float, pod));
snprintf(value, sizeof(value), "%s",
spa_json_format_float(buf, sizeof(buf),
SPA_POD_VALUE(struct spa_pod_float, pod)));
} else if (spa_pod_is_int(pod)) {
snprintf(value, sizeof(value), "%d",
SPA_POD_VALUE(struct spa_pod_int, pod));