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ltlcross: diagnose failure to write into temporary files

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The removes a warning about the return code from write() being
ignored.  Reported by Thomas Badie.

* src/bin/ltlcross.cc (string_to_tmp): Call error() on error.
This commit is contained in:
Alexandre Duret-Lutz 2012-11-14 15:10:58 +01:00
parent 973c5bc050
commit 49d384b1eb
1 changed files with 6 additions and 3 deletions
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9
src/bin/ltlcross.cc
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@ -502,9 +502,12 @@ namespace
string_to_tmp(std::string& str, unsigned n, std::string& tmpname)
{
int fd = create_tmpfile('i', n, tmpname);
write(fd, str.c_str(), str.size());
write(fd, "\n", 1);
close(fd);
ssize_t s = str.size();
if (write(fd, str.c_str(), s) != s
|| write(fd, "\n", 1) != 1)
error(2, errno, "failed to write into %s", tmpname.c_str());
if (close(fd))
error(2, errno, "failed to close %s", tmpname.c_str());
toclean.push_back(tmpname);
}