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modules: convert snprintf to strbuf

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Use spa_strbuf instead of snprintf to handle errors better.
This commit is contained in:
Wim Taymans 2026-05-06 13:35:09 +02:00
parent 2c4dc2d22f
commit 51b635cc98
4 changed files with 25 additions and 16 deletions
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12
src/modules/module-zeroconf-discover.c
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@ -184,18 +184,20 @@ static void pw_properties_from_zeroconf(const char *key, const char *value,
else if (spa_streq(key, "channel_map")) {
struct channel_map channel_map;
uint32_t i, pos[CHANNELS_MAX];
char *p, *s, buf[8];
char *s, buf[8];
spa_zero(channel_map);
channel_map_parse(value, &channel_map);
channel_map_to_positions(&channel_map, pos, CHANNELS_MAX);
p = s = alloca(4 + channel_map.channels * 8);
p += spa_scnprintf(p, 2, "[");
s = alloca(4 + channel_map.channels * 8);
struct spa_strbuf b;
spa_strbuf_init(&b, s, 4 + channel_map.channels * 8);
spa_strbuf_append(&b, "[");
for (i = 0; i < channel_map.channels; i++)
p += spa_scnprintf(p, 8, "%s%s", i == 0 ? "" : ",",
spa_strbuf_append(&b, "%s%s", i == 0 ? "" : ",",
channel_id2name(pos[i], buf, sizeof(buf)));
p += spa_scnprintf(p, 2, "]");
spa_strbuf_append(&b, "]");
pw_properties_set(props, SPA_KEY_AUDIO_POSITION, s);
}
else if (spa_streq(key, "format")) {