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open: check fd_flags value before calling fcntl #2131

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open: check fd_flags value before calling fcntl #2131

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4 changes: 2 additions & 2 deletions compat/open.c
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Original file line number Diff line number Diff line change
Expand Up @@ -44,8 +44,8 @@ int git_open_cloexec(const char *name, int flags)

if (!o_cloexec && 0 <= fd && fd_cloexec) {
/* Opened w/o O_CLOEXEC? try with fcntl(2) to add it */
int flags = fcntl(fd, F_GETFD);
if (fcntl(fd, F_SETFD, flags | fd_cloexec))
int fd_flags = fcntl(fd, F_GETFD);
if (fd_flags < 0 || fcntl(fd, F_SETFD, fd_flags | fd_cloexec))
fd_cloexec = 0;
}
}
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