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authorEric Andersen <andersen@codepoet.org>2000-10-23 23:23:54 +0000
committerEric Andersen <andersen@codepoet.org>2000-10-23 23:23:54 +0000
commit5606e4d6f92c10af214b54a01db79cf561067e58 (patch)
treef50c5adf765ad7492736b3fb0e9ae669573e4e5e /libc/misc/time
parent56c9a8402ff4c9004331efc77e5a5fe62aa65014 (diff)
More reorg. A place for everything and everything in its place...
Diffstat (limited to 'libc/misc/time')
-rw-r--r--libc/misc/time/Makefile2
-rw-r--r--libc/misc/time/adjtime.c51
-rw-r--r--libc/misc/time/utimes.c16
3 files changed, 68 insertions, 1 deletions
diff --git a/libc/misc/time/Makefile b/libc/misc/time/Makefile
index ec8199c69..76adb2e2f 100644
--- a/libc/misc/time/Makefile
+++ b/libc/misc/time/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)Rules.mak
LIBC=$(TOPDIR)libc.a
CSRC=localtime.c gmtime.c asctime.c ctime.c asc_conv.c tm_conv.c mktime.c \
- localtime_r.c gmtime_r.c asctime_r.c ctime_r.c
+ localtime_r.c gmtime_r.c asctime_r.c ctime_r.c utimes.c adjtime.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
OBJS=$(COBJS)
diff --git a/libc/misc/time/adjtime.c b/libc/misc/time/adjtime.c
new file mode 100644
index 000000000..12c1a2a40
--- /dev/null
+++ b/libc/misc/time/adjtime.c
@@ -0,0 +1,51 @@
+#include <limits.h>
+#include <sys/time.h>
+#include <sys/timex.h>
+#include <errno.h>
+
+#define MAX_SEC (LONG_MAX / 1000000L - 2)
+#define MIN_SEC (LONG_MIN / 1000000L + 2)
+
+#ifndef MOD_OFFSET
+#define modes mode
+#endif
+
+int
+adjtime(const struct timeval * itv, struct timeval * otv)
+{
+ struct timex tntx;
+
+ if (itv)
+ {
+ struct timeval tmp;
+
+ /* We will do some check here. */
+ tmp.tv_sec = itv->tv_sec + itv->tv_usec / 1000000L;
+ tmp.tv_usec = itv->tv_usec % 1000000L;
+ if (tmp.tv_sec > MAX_SEC || tmp.tv_sec < MIN_SEC)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ tntx.offset = tmp.tv_usec + tmp.tv_sec * 1000000L;
+ tntx.modes = ADJ_OFFSET_SINGLESHOT;
+ }
+ else
+ {
+ tntx.modes = 0;
+ }
+ if (adjtimex(&tntx) < 0) return -1;
+ if (otv) {
+ if (tntx.offset < 0)
+ {
+ otv->tv_usec = -(-tntx.offset % 1000000);
+ otv->tv_sec = -(-tntx.offset / 1000000);
+ }
+ else
+ {
+ otv->tv_usec = tntx.offset % 1000000;
+ otv->tv_sec = tntx.offset / 1000000;
+ }
+ }
+ return 0;
+}
diff --git a/libc/misc/time/utimes.c b/libc/misc/time/utimes.c
new file mode 100644
index 000000000..364bf83e7
--- /dev/null
+++ b/libc/misc/time/utimes.c
@@ -0,0 +1,16 @@
+#include <utime.h>
+#include <sys/time.h>
+
+int utimes(const char *path, struct timeval tvp[2])
+{
+ struct utimbuf buf, *times;
+
+ if (tvp) {
+ times = &buf;
+ times->actime = tvp[0].tv_sec;
+ times->modtime = tvp[1].tv_sec;
+ }
+ else
+ times = NULL;
+ return utime(path, times);
+}