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Terminate RGBGFX when opening a file fails

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`std::filebuf::open`'s result must be checked, though that's not obvious.
This commit is contained in:
ISSOtm
2022-10-04 13:58:05 +02:00
parent 7377a14245
commit d90a7e4302
3 changed files with 36 additions and 12 deletions
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8
src/gfx/reverse.cpp
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@@ -147,7 +147,9 @@ void reverse() {
};
if (!options.palettes.empty()) {
std::filebuf file;
file.open(options.palettes, std::ios::in | std::ios::binary);
if (!file.open(options.palettes, std::ios::in | std::ios::binary)) {
fatal("Failed to open \"%s\": %s", options.palettes.c_str(), strerror(errno));
}
palettes.clear();
std::array<uint8_t, sizeof(uint16_t) * 4> buf; // 4 colors
@@ -232,7 +234,9 @@ void reverse() {
options.verbosePrint(Options::VERB_LOG_ACT, "Writing image...\n");
std::filebuf pngFile;
pngFile.open(options.input, std::ios::out | std::ios::binary);
if (!pngFile.open(options.input, std::ios::out | std::ios::binary)) {
fatal("Failed to create \"%s\": %s", options.input.c_str(), strerror(errno));
}
png_structp png = png_create_write_struct(
PNG_LIBPNG_VER_STRING,
const_cast<png_voidp>(static_cast<void const *>(options.input.c_str())), pngError,