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Fixes an uninitialized variable in extra wasmfs/fetchfs feature 

Under some optimizations, this would lead to games using fetchfs
backend just crashing due to calling wasmfs functions on a garbage pointer.
This commit is contained in:
Joseph C. Osborn 2025-04-24 10:14:16 -07:00
parent 547d739db4
commit 55f9f92eaf
1 changed files with 5 additions and 1 deletions
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6
frontend/drivers/platform_emscripten.c
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@ -628,7 +628,7 @@ static void platform_emscripten_mount_filesystems(void)
char *base_url = strdup(line);
base_url[strcspn(base_url, "\r\n")] = '\0'; // drop newline
base_url[len-1] = '\0'; // drop newline
backend_t fetch;
backend_t fetch = NULL;
len = max_line_len;
// Don't create fetch backend unless manifest actually has entries
while (getline(&line, &len, file) != -1)
@ -636,6 +636,10 @@ static void platform_emscripten_mount_filesystems(void)
if (!fetch)
{
fetch = wasmfs_create_fetch_backend(base_url, 16*1024*1024);
if(!fetch) {
printf("[FetchFS] couldn't create fetch backend for %s\n", base_url);
abort();
}
wasmfs_create_directory(fetch_base_dir, 0777, fetch);
}
char *realfs_path = strstr(line, " "), *url = line;