diff options
| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-02-04 16:46:42 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-04 10:03:03 +0100 |
| commit | f887f3019e56389a73617f4e70f512e82cc89adb (patch) | |
| tree | 176b13e6d9713715d1b4eef75e702b47e6923606 /tools/perf/util/trace-event-read.c | |
| parent | 447a194b393f32699607fd99617a40abd6a95114 (diff) | |
| download | linux-f887f3019e56389a73617f4e70f512e82cc89adb.tar.bz2 | |
perf tools: Clean up O_LARGEFILE et al usage
Setting _FILE_OFFSET_BITS and using O_LARGEFILE, lseek64, etc,
is redundant. Thanks H. Peter Anvin for pointing it out.
So, this patch removes O_LARGEFILE, lseek64, etc.
Suggested-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <4B6A8972.3070605@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/trace-event-read.c')
| -rw-r--r-- | tools/perf/util/trace-event-read.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index ca3c26d466f3..7cd1193918c7 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -18,7 +18,7 @@ * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ -#define _LARGEFILE64_SOURCE +#define _FILE_OFFSET_BITS 64 #include <dirent.h> #include <stdio.h> @@ -83,7 +83,7 @@ static char *read_string(void) char *str = NULL; int size = 0; int i; - s64 r; + off_t r; for (;;) { r = read(input_fd, buf, BUFSIZ); @@ -117,8 +117,8 @@ static char *read_string(void) i++; /* move the file descriptor to the end of the string */ - r = lseek64(input_fd, -(r - i), SEEK_CUR); - if (r < 0) + r = lseek(input_fd, -(r - i), SEEK_CUR); + if (r == (off_t)-1) die("lseek"); if (str) { @@ -282,8 +282,8 @@ static void update_cpu_data_index(int cpu) static void get_next_page(int cpu) { - off64_t save_seek; - off64_t ret; + off_t save_seek; + off_t ret; if (!cpu_data[cpu].page) return; @@ -298,17 +298,17 @@ static void get_next_page(int cpu) update_cpu_data_index(cpu); /* other parts of the code may expect the pointer to not move */ - save_seek = lseek64(input_fd, 0, SEEK_CUR); + save_seek = lseek(input_fd, 0, SEEK_CUR); - ret = lseek64(input_fd, cpu_data[cpu].offset, SEEK_SET); - if (ret < 0) + ret = lseek(input_fd, cpu_data[cpu].offset, SEEK_SET); + if (ret == (off_t)-1) die("failed to lseek"); ret = read(input_fd, cpu_data[cpu].page, page_size); if (ret < 0) die("failed to read page"); /* reset the file pointer back */ - lseek64(input_fd, save_seek, SEEK_SET); + lseek(input_fd, save_seek, SEEK_SET); return; } |