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authorVladimir Zapolskiy <vzapolskiy@gmail.com>2010-06-02 10:27:16 +0400
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2010-07-27 13:21:19 +0200
commit8642946bd00e0c6dff9f08d84a63d32ce6648538 (patch)
tree6473ce013e37b40f28e9cdc89e5c12e4d8a0fa74 /libc/sysdeps/linux/common
parentc6d6237819037168a6923ac080e348e54615422c (diff)
lutimes: add lutimes support
This patch adds lutimes library call support. Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/common')
-rw-r--r--libc/sysdeps/linux/common/lutimes.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/lutimes.c b/libc/sysdeps/linux/common/lutimes.c
new file mode 100644
index 000000000..0b4a8ea45
--- /dev/null
+++ b/libc/sysdeps/linux/common/lutimes.c
@@ -0,0 +1,38 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * lutimes() implementation for uClibc
+ *
+ * Copyright (C) 2010 Vladimir Zapolskiy <vzapolskiy@gmail.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <time.h>
+
+#ifdef __NR_lutimes
+_syscall2(int, lutimes, const char *, file, const struct timeval *, tvp)
+#else
+#include <sys/time.h>
+#include <fcntl.h>
+
+int lutimes(const char *file, const struct timeval tvp[2])
+{
+ struct timespec ts[2];
+
+ if (tvp != NULL)
+ {
+ if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
+ || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
+ {
+ __set_errno(EINVAL);
+ return -1;
+ }
+
+ TIMEVAL_TO_TIMESPEC(&tvp[0], &ts[0]);
+ TIMEVAL_TO_TIMESPEC(&tvp[1], &ts[1]);
+ }
+
+ return utimensat(AT_FDCWD, file, tvp ? ts : NULL, AT_SYMLINK_NOFOLLOW);
+}
+#endif