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Line-buffer stderr

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* src/sysdep.c (init_standard_fds) [!DOS_NT]:
Use setvbuf to ensure stderr is line-buffered.
This commit is contained in:
Paul Eggert 2019-06-20 00:32:17 -07:00
parent 4e8083ec81
commit 2079e40a3c
1 changed files with 6 additions and 0 deletions
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6
src/sysdep.c
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@ -242,6 +242,12 @@ init_standard_fds (void)
force_open (STDIN_FILENO, O_WRONLY);
force_open (STDOUT_FILENO, O_RDONLY);
force_open (STDERR_FILENO, O_RDONLY);
/* Line-buffer stderr. However, leave stderr unbuffered on
MS-Windows, where setvbuf treats _IOLBF like _IOFBF. */
#ifndef DOS_NT
setvbuf (stderr, NULL, _IOLBF, 0);
#endif
}
/* Return the current working directory. The result should be freed