diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-01-04 16:19:28 -0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-01-13 10:09:09 +0100 |
| commit | f92cb24c78a7c853435e46a20d1bd5c894378132 (patch) | |
| tree | 0522276bb82ac541461604f244aaed0bea4d8ee1 /tools/perf/util/header.c | |
| parent | 36a3e6461a0dac8e84b8c94877365324010c151b (diff) | |
perf tools: Create write_padded routine out of __dsos__write_buildid_table
Will be used by other options where padding is needed.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1262629169-22797-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 709e3252f049..942f7da8bf84 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -173,6 +173,20 @@ static int do_write(int fd, const void *buf, size_t size) return 0; } +#define NAME_ALIGN 64 + +static int write_padded(int fd, const void *bf, size_t count, + size_t count_aligned) +{ + static const char zero_buf[NAME_ALIGN]; + int err = do_write(fd, bf, count); + + if (!err) + err = do_write(fd, zero_buf, count_aligned - count); + + return err; +} + #define dsos__for_each_with_build_id(pos, head) \ list_for_each_entry(pos, head, node) \ if (!pos->has_build_id) \ @@ -181,9 +195,7 @@ static int do_write(int fd, const void *buf, size_t size) static int __dsos__write_buildid_table(struct list_head *head, int fd) { -#define NAME_ALIGN 64 struct dso *pos; - static const char zero_buf[NAME_ALIGN]; dsos__for_each_with_build_id(pos, head) { int err; @@ -197,10 +209,8 @@ static int __dsos__write_buildid_table(struct list_head *head, int fd) err = do_write(fd, &b, sizeof(b)); if (err < 0) return err; - err = do_write(fd, pos->long_name, pos->long_name_len + 1); - if (err < 0) - return err; - err = do_write(fd, zero_buf, len - pos->long_name_len - 1); + err = write_padded(fd, pos->long_name, + pos->long_name_len + 1, len); if (err < 0) return err; } |