7b4c7a681c
Break libblkid into 4 libraries: libblkid, libuuid, libutil-linux and libfdisk. This should help in later patch updates. Change-Id: I680d9a7feb031e5c29a603e9c58aff4b65826262
72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
#ifndef UTIL_LINUX_CLOSESTREAM_H
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#define UTIL_LINUX_CLOSESTREAM_H
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#include <stdio.h>
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#ifdef HAVE_STDIO_EXT_H
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#include <stdio_ext.h>
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#endif
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#include <unistd.h>
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#include "c.h"
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#include "nls.h"
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#ifndef HAVE___FPENDING
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static inline int
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__fpending(FILE *stream __attribute__((__unused__)))
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{
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return 0;
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}
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#endif
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static inline int
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close_stream(FILE * stream)
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{
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const int some_pending = (__fpending(stream) != 0);
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const int prev_fail = (ferror(stream) != 0);
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const int fclose_fail = (fclose(stream) != 0);
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if (prev_fail || (fclose_fail && (some_pending || errno != EBADF))) {
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if (!fclose_fail && !(errno == EPIPE))
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errno = 0;
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return EOF;
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}
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return 0;
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}
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/* Meant to be used atexit(close_stdout); */
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static inline void
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close_stdout(void)
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{
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if (close_stream(stdout) != 0 && !(errno == EPIPE)) {
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if (errno)
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warn(_("write error"));
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else
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warnx(_("write error"));
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_exit(EXIT_FAILURE);
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}
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if (close_stream(stderr) != 0)
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_exit(EXIT_FAILURE);
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}
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#ifndef HAVE_FSYNC
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static inline int
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fsync(int fd __attribute__((__unused__)))
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{
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return 0;
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}
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#endif
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static inline int
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close_fd(int fd)
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{
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const int fsync_fail = (fsync(fd) != 0);
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const int close_fail = (close(fd) != 0);
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if (fsync_fail || close_fail)
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return EOF;
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return 0;
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}
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#endif /* UTIL_LINUX_CLOSESTREAM_H */
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