From: Arnaldo Carvalho de Melo Date: Mon, 4 Jan 2010 18:19:28 +0000 (-0200) Subject: perf tools: Create write_padded routine out of __dsos__write_buildid_table X-Git-Tag: v2.6.34-rc1~197^2~152 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f92cb24c78a7c853435e46a20d1bd5c894378132;p=karo-tx-linux.git 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 Cc: Frédéric Weisbecker Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Paul Mackerras LKML-Reference: <1262629169-22797-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar --- 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; }