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Added run_command() api to replace system() and popen()

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This commit is contained in:
Clifford Wolf 2014-10-12 10:57:15 +02:00
parent d2b8b48bf3
commit b1596bc0e7
6 changed files with 104 additions and 92 deletions
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25
kernel/yosys.cc
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@ -182,6 +182,31 @@ int readsome(std::istream &f, char *s, int n)
return rc;
}
int run_command(const std::string &command, std::function<void(const std::string&)> process_line)
{
if (!process_line)
return system(command.c_str());
FILE *f = popen(command.c_str(), "r");
if (f == nullptr)
return -1;
std::string line;
char logbuf[128];
while (fgets(logbuf, 128, f) != NULL) {
line += logbuf;
if (!line.empty() && line.back() == '\n')
process_line(line), line.clear();
}
if (!line.empty())
process_line(line);
int ret = pclose(f);
if (ret < 0)
return -1;
return WEXITSTATUS(ret);
}
int GetSize(RTLIL::Wire *wire)
{
return wire->width;