audio: Fix false positives in driver name comparison

Without this change, driver names don't get matched correctly;
for example "a" can get matched with "alsa" since it only checks
whether the string matches up to the length of the requested
driver name.
This commit is contained in:
Sebastian Krzyszkowiak 2021-08-10 13:10:36 +02:00 committed by Sam Lantinga
parent b3a989d0df
commit 25f9ed87ff
1 changed files with 2 additions and 1 deletions

View File

@ -980,7 +980,8 @@ SDL_AudioInit(const char *driver_name)
: SDL_strlen(driver_attempt); : SDL_strlen(driver_attempt);
for (i = 0; bootstrap[i]; ++i) { for (i = 0; bootstrap[i]; ++i) {
if (SDL_strncasecmp(bootstrap[i]->name, driver_attempt, driver_attempt_len) == 0) { if ((driver_attempt_len == SDL_strlen(bootstrap[i]->name)) &&
(SDL_strncasecmp(bootstrap[i]->name, driver_attempt, driver_attempt_len) == 0)) {
tried_to_init = 1; tried_to_init = 1;
SDL_zero(current_audio); SDL_zero(current_audio);
current_audio.name = bootstrap[i]->name; current_audio.name = bootstrap[i]->name;