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authormerakor <cem@ckyln.com>2020-08-22 15:03:10 +0000
committermerakor <cem@ckyln.com>2020-08-22 15:03:10 +0000
commit9031dc631fa33a1493f5780943f8f888ce530178 (patch)
tree8acd058d02ace545eb026e95a944e7bf9a0b4211 /getopt-ul/closestream.h
parent01fb58cf040114841800d9cceba9d256278a4682 (diff)
downloadcpt-9031dc631fa33a1493f5780943f8f888ce530178.tar.gz
cpt: remove getopt and use shell library instead.
FossilOrigin-Name: cbe6d1050c67fcce58e754cd03832089ffeb33a5f9455c55e71738ab11e0d056
Diffstat (limited to 'getopt-ul/closestream.h')
-rw-r--r--getopt-ul/closestream.h110
1 files changed, 0 insertions, 110 deletions
diff --git a/getopt-ul/closestream.h b/getopt-ul/closestream.h
deleted file mode 100644
index 41afbe2..0000000
--- a/getopt-ul/closestream.h
+++ /dev/null
@@ -1,110 +0,0 @@
-#ifndef UTIL_LINUX_CLOSESTREAM_H
-#define UTIL_LINUX_CLOSESTREAM_H
-
-#include <stdio.h>
-#ifdef HAVE_STDIO_EXT_H
-#include <stdio_ext.h>
-#endif
-#include <unistd.h>
-
-#include "c.h"
-#include "nls.h"
-
-#ifndef CLOSE_EXIT_CODE
-# define CLOSE_EXIT_CODE EXIT_FAILURE
-#endif
-
-static inline int
-close_stream(FILE * stream)
-{
-#ifdef HAVE___FPENDING
- const int some_pending = (__fpending(stream) != 0);
-#endif
- const int prev_fail = (ferror(stream) != 0);
- const int fclose_fail = (fclose(stream) != 0);
-
- if (prev_fail || (fclose_fail && (
-#ifdef HAVE___FPENDING
- some_pending ||
-#endif
- errno != EBADF))) {
- if (!fclose_fail && !(errno == EPIPE))
- errno = 0;
- return EOF;
- }
- return 0;
-}
-
-static inline int
-flush_standard_stream(FILE *stream)
-{
- int fd;
-
- errno = 0;
-
- if (ferror(stream) != 0 || fflush(stream) != 0)
- goto error;
-
- /*
- * Calling fflush is not sufficient on some filesystems
- * like e.g. NFS, which may defer the actual flush until
- * close. Calling fsync would help solve this, but would
- * probably result in a performance hit. Thus, we work
- * around this issue by calling close on a dup'd file
- * descriptor from the stream.
- */
- if ((fd = fileno(stream)) < 0 || (fd = dup(fd)) < 0 || close(fd) != 0)
- goto error;
-
- return 0;
-error:
- return (errno == EBADF) ? 0 : EOF;
-}
-
-/* Meant to be used atexit(close_stdout); */
-static inline void
-close_stdout(void)
-{
- if (flush_standard_stream(stdout) != 0 && !(errno == EPIPE)) {
- if (errno)
- warn(_("write error"));
- else
- warnx(_("write error"));
- _exit(CLOSE_EXIT_CODE);
- }
-
- if (flush_standard_stream(stderr) != 0)
- _exit(CLOSE_EXIT_CODE);
-}
-
-static inline void
-close_stdout_atexit(void)
-{
- /*
- * Note that close stdout at exit disables ASAN to report memory leaks
- */
-#if !defined(__SANITIZE_ADDRESS__)
- atexit(close_stdout);
-#endif
-}
-
-#ifndef HAVE_FSYNC
-static inline int
-fsync(int fd __attribute__((__unused__)))
-{
- return 0;
-}
-#endif
-
-static inline int
-close_fd(int fd)
-{
- const int fsync_fail = (fsync(fd) != 0);
- const int close_fail = (close(fd) != 0);
-
- if (fsync_fail || close_fail)
- return EOF;
- return 0;
-}
-
-#endif /* UTIL_LINUX_CLOSESTREAM_H */