58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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//
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/// \file tuklib_exit.c
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/// \brief Close stdout and stderr, and exit
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//
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// Author: Lasse Collin
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//
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// This file has been put into the public domain.
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "tuklib_common.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include "tuklib_gettext.h"
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#include "tuklib_progname.h"
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#include "tuklib_exit.h"
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extern void
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tuklib_exit(int status, int err_status, int show_error)
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{
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if (status != err_status) {
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// Close stdout. If something goes wrong,
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// print an error message to stderr.
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const int ferror_err = ferror(stdout);
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const int fclose_err = fclose(stdout);
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if (ferror_err || fclose_err) {
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status = err_status;
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// If it was fclose() that failed, we have the reason
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// in errno. If only ferror() indicated an error,
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// we have no idea what the reason was.
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if (show_error)
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fprintf(stderr, "%s: %s: %s\n", progname,
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_("Writing to standard "
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"output failed"),
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fclose_err ? strerror(errno)
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: _("Unknown error"));
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}
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}
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if (status != err_status) {
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// Close stderr. If something goes wrong, there's
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// nothing where we could print an error message.
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// Just set the exit status.
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const int ferror_err = ferror(stderr);
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const int fclose_err = fclose(stderr);
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if (fclose_err || ferror_err)
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status = err_status;
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}
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exit(status);
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}
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