Check standard error code return values as < 0 instead of == -1
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@@ -95,13 +95,13 @@ int main(int argc, char **argv)
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goto end;
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}
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if (SDL_Init(SDL_INIT_AUDIO) == -1) {
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if (SDL_Init(SDL_INIT_AUDIO) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_Init() failed: %s\n", SDL_GetError());
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ret = 2;
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goto end;
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}
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if (SDL_LoadWAV(file_in, &spec, &data, &len) == -1) {
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if (SDL_LoadWAV(file_in, &spec, &data, &len) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "failed to load %s: %s\n", file_in, SDL_GetError());
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ret = 3;
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goto end;
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@@ -141,7 +141,7 @@ int main(int argc, char **argv)
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SDL_WriteU32LE(io, dst_len); /* size */
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SDL_WriteIO(io, dst_buf, dst_len);
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if (SDL_CloseIO(io) == -1) {
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if (SDL_CloseIO(io) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "closing '%s' failed: %s\n", file_out, SDL_GetError());
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ret = 6;
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goto end;
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