diff options
| -rw-r--r-- | src/MinedMap.cpp | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/MinedMap.cpp b/src/MinedMap.cpp index 6207306..d10666b 100644 --- a/src/MinedMap.cpp +++ b/src/MinedMap.cpp @@ -117,17 +117,23 @@ static void doRegion(const std::string &input, const std::string &output) { const std::string tmpfile = output + ".tmp"; - uint32_t image[DIM][DIM] = {}; - World::Region::visitChunks(input.c_str(), [&image] (size_t X, size_t Z, const World::Chunk *chunk) { addChunk(image, X, Z, chunk); }); + try { + uint32_t image[DIM][DIM] = {}; + World::Region::visitChunks(input.c_str(), [&image] (size_t X, size_t Z, const World::Chunk *chunk) { addChunk(image, X, Z, chunk); }); - writePNG(tmpfile.c_str(), image); + writePNG(tmpfile.c_str(), image); - struct timespec times[2] = {instat.st_mtim, instat.st_mtim}; - if (utimensat(AT_FDCWD, tmpfile.c_str(), times, 0) < 0) - std::fprintf(stderr, "Warning: failed to set utime on %s: %s\n", tmpfile.c_str(), std::strerror(errno)); + struct timespec times[2] = {instat.st_mtim, instat.st_mtim}; + if (utimensat(AT_FDCWD, tmpfile.c_str(), times, 0) < 0) + std::fprintf(stderr, "Warning: failed to set utime on %s: %s\n", tmpfile.c_str(), std::strerror(errno)); - if (std::rename(tmpfile.c_str(), output.c_str()) < 0) { - std::fprintf(stderr, "Unable to save %s: %s\n", output.c_str(), std::strerror(errno)); + if (std::rename(tmpfile.c_str(), output.c_str()) < 0) { + std::fprintf(stderr, "Unable to save %s: %s\n", output.c_str(), std::strerror(errno)); + unlink(tmpfile.c_str()); + } + } + catch (const std::exception& ex) { + std::fprintf(stderr, "Failed to generate %s: %s\n", output.c_str(), ex.what()); unlink(tmpfile.c_str()); } } |