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gzip: refactor file open failure errors

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This commit is contained in:
Emil J. Tywoniak 2025-04-29 10:37:35 +02:00
parent ab614b1271
commit adb1986dc1
5 changed files with 3 additions and 10 deletions
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5
kernel/gzip.cc
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@ -100,11 +100,12 @@ gzip_istream::ibuf::~ibuf() {
// Takes a successfully opened ifstream. If it's gzipped, returns an istream. Otherwise,
// returns the original ifstream, rewound to the start.
// Never returns nullptr or failed state istream*
std::istream* uncompressed(const std::string filename, std::ios_base::openmode mode) {
std::ifstream* f = new std::ifstream();
f->open(filename, mode);
if (f->fail())
return f;
log_cmd_error("Can't open input file `%s' for reading: %s\n", filename.c_str(), strerror(errno));
// Check for gzip magic
unsigned char magic[3];
int n = 0;
@ -124,7 +125,7 @@ std::istream* uncompressed(const std::string filename, std::ios_base::openmode m
filename.c_str(), unsigned(magic[2]));
gzip_istream* s = new gzip_istream();
delete f;
s->open(filename.c_str());
log_assert(s->open(filename.c_str()));
return s;
#else
log_cmd_error("File `%s' is a gzip file, but Yosys is compiled without zlib.\n", filename.c_str());