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json-builder: handle allocation failures in vasprintf

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This commit is contained in:
Wim Taymans 2026-03-01 12:40:34 +01:00
parent 8ceb671cc8
commit 06f336a581
1 changed files with 12 additions and 9 deletions
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21
spa/include/spa/utils/json-builder.h
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@ -279,9 +279,10 @@ void spa_json_builder_object_stringv(struct spa_json_builder *b,
const char *key, const char *fmt, va_list va) const char *key, const char *fmt, va_list va)
{ {
char *val; char *val;
vasprintf(&val, fmt, va); if (vasprintf(&val, fmt, va) > 0) {
spa_json_builder_object_string(b, key, val); spa_json_builder_object_string(b, key, val);
free(val); free(val);
}
} }
SPA_API_JSON_BUILDER SPA_PRINTF_FUNC(3,4) SPA_API_JSON_BUILDER SPA_PRINTF_FUNC(3,4)
@ -346,10 +347,11 @@ void spa_json_builder_object_valuef(struct spa_json_builder *b,
va_list va; va_list va;
char *val; char *val;
va_start(va, fmt); va_start(va, fmt);
vasprintf(&val, fmt, va); if (vasprintf(&val, fmt, va) > 0) {
spa_json_builder_object_value(b, recurse, key, val);
free(val);
}
va_end(va); va_end(va);
spa_json_builder_object_value(b, recurse, key, val);
free(val);
} }
@ -408,10 +410,11 @@ void spa_json_builder_array_valuef(struct spa_json_builder *b, bool recurse, con
va_list va; va_list va;
char *val; char *val;
va_start(va, fmt); va_start(va, fmt);
vasprintf(&val, fmt, va); if (vasprintf(&val, fmt, va) > 0) {
spa_json_builder_object_value(b, recurse, NULL, val);
free(val);
}
va_end(va); va_end(va);
spa_json_builder_object_value(b, recurse, NULL, val);
free(val);
} }
SPA_API_JSON_BUILDER char *spa_json_builder_reformat(const char *json, uint32_t flags) SPA_API_JSON_BUILDER char *spa_json_builder_reformat(const char *json, uint32_t flags)