From: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Date: Sat, 31 Dec 2011 14:28:54 +0000 (-0200)
Subject: util: add helper function to compare timestamps
X-Git-Tag: v3~26
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b29ef6f59ddc0d0aebac2e8a39fdbe78f68512a;p=thirdparty%2Fkmod.git

util: add helper function to compare timestamps
---

diff --git a/libkmod/libkmod-util.c b/libkmod/libkmod-util.c
index d402cdda..a86eda39 100644
--- a/libkmod/libkmod-util.c
+++ b/libkmod/libkmod-util.c
@@ -319,3 +319,11 @@ char *path_make_absolute_cwd(const char *p)
 
 	return r;
 }
+
+#define USEC_PER_SEC  1000000ULL
+#define NSEC_PER_USEC 1000ULL
+unsigned long long ts_usec(const struct timespec *ts)
+{
+	return (unsigned long long) ts->tv_sec * USEC_PER_SEC +
+	       (unsigned long long) ts->tv_nsec / NSEC_PER_USEC;
+}
diff --git a/libkmod/libkmod-util.h b/libkmod/libkmod-util.h
index a4267151..3cd352c8 100644
--- a/libkmod/libkmod-util.h
+++ b/libkmod/libkmod-util.h
@@ -23,5 +23,6 @@ char *path_make_absolute_cwd(const char *p) __must_check __attribute__((nonnull(
 int alias_normalize(const char *alias, char buf[NAME_MAX], size_t *len) __must_check __attribute__((nonnull(1,2)));
 char *modname_normalize(const char *modname, char buf[NAME_MAX], size_t *len) __attribute__((nonnull(1, 2)));
 char *path_to_modname(const char *path, char buf[NAME_MAX], size_t *len) __attribute__((nonnull(2)));
+unsigned long long ts_usec(const struct timespec *ts);
 
 #endif