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Merge pull request #1404 from YosysHQ/fix_gzip_macos 

Make read/write gzip files on macos works, fixes #1357
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Clifford Wolf 2019-09-27 09:57:28 +02:00 committed by GitHub
parent 143f82def2 435300f930
commit 7bde555481
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1 changed files with 11 additions and 3 deletions
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14
kernel/register.cc
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@ -48,7 +48,7 @@ using zlib to write gzip-compressed data every time the stream is flushed.
*/
class gzip_ostream : public std::ostream {
public:
gzip_ostream()
gzip_ostream() : std::ostream(nullptr)
{
rdbuf(&outbuf);
}
@ -71,7 +71,7 @@ private:
str("");
return 0;
}
~gzip_streambuf()
virtual ~gzip_streambuf()
{
sync();
gzclose(gzf);
@ -498,7 +498,15 @@ void Frontend::extra_args(std::istream *&f, std::string &filename, std::vector<s
if (f != NULL) {
// Check for gzip magic
unsigned char magic[3];
int n = readsome(*ff, reinterpret_cast<char*>(magic), 3);
int n = 0;
while (n < 3)
{
int c = ff->get();
if (c != EOF) {
magic[n] = (unsigned char) c;
}
n++;
}
if (n == 3 && magic[0] == 0x1f && magic[1] == 0x8b) {
#ifdef YOSYS_ENABLE_ZLIB
log("Found gzip magic in file `%s', decompressing using zlib.\n", filename.c_str());