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authorPatrick McHardy <kaber@trash.net>2011-01-14 14:12:37 +0100
committerPatrick McHardy <kaber@trash.net>2011-01-14 14:12:37 +0100
commit0134e89c7bcc9fde1da962c82a120691e185619f (patch)
tree3e03335cf001019a2687d161e956de4f73379984 /tools/perf/util/util.c
parentc7066f70d9610df0b9406cc635fc09e86136e714 (diff)
parent6faee60a4e82075853a437831768cc9e2e563e4e (diff)
Merge branch 'master' of git://1984.lsi.us.es/net-next-2.6
Conflicts: net/ipv4/route.c Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'tools/perf/util/util.c')
-rw-r--r--tools/perf/util/util.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 214265674dd..5b3ea49aa63 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -114,3 +114,20 @@ unsigned long convert_unit(unsigned long value, char *unit)
return value;
}
+
+int readn(int fd, void *buf, size_t n)
+{
+ void *buf_start = buf;
+
+ while (n) {
+ int ret = read(fd, buf, n);
+
+ if (ret <= 0)
+ return ret;
+
+ n -= ret;
+ buf += ret;
+ }
+
+ return buf - buf_start;
+}