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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "libbb.h"
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void bb_xprint_and_close_file(FILE *file)
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{
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bb_xfflush_stdout();
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/* Note: Do not use STDOUT_FILENO here, as this is a lib routine
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* and the calling code may have reassigned stdout. */
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if (bb_copyfd_eof(fileno(file), STDOUT_FILENO) == -1) {
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/* bb_copyfd outputs any needed messages, so just die. */
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exit(bb_default_error_retval);
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}
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/* Note: Since we're reading, don't bother checking the return value
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* of fclose(). The only possible failure is EINTR which
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* should already have been taken care of. */
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fclose(file);
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}
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/* Returns:
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* 0 if successful
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* -1 if 'filename' does not exist or is a directory
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* exits with default error code if an error occurs
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*/
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int bb_xprint_file_by_name(const char *filename)
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{
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FILE *f;
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#if 0
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/* This check shouldn't be necessary for linux, but is left
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* here disabled just in case. */
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struct stat statBuf;
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if(is_directory(filename, TRUE, &statBuf)) {
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bb_error_msg("%s: Is directory", filename);
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} else
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#endif
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if ((f = bb_wfopen(filename, "r")) != NULL) {
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bb_xprint_and_close_file(f);
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return 0;
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}
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return -1;
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}
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