fix spurious failures by fgetws when buffer ends with partial character

[musl] / src / time / clock_getres.c

diff --git a/src/time/clock_getres.c b/src/time/clock_getres.c
index e86a1ee..81c6703 100644 (file)
--- a/src/time/clock_getres.c
+++ b/src/time/clock_getres.c
@@ -1,8 +1,21 @@
-#define SYSCALL_RETURN_ERRNO
 #include <time.h>
 #include "syscall.h"
 
 int clock_getres(clockid_t clk, struct timespec *ts)
 {
-       return syscall2(__NR_clock_getres, clk, (long)ts);
+#ifdef SYS_clock_getres_time64
+       /* On a 32-bit arch, use the old syscall if it exists. */
+       if (SYS_clock_getres != SYS_clock_getres_time64) {
+               long ts32[2];
+               int r = __syscall(SYS_clock_getres, clk, ts32);
+               if (!r && ts) {
+                       ts->tv_sec = ts32[0];
+                       ts->tv_nsec = ts32[1];
+               }
+               return __syscall_ret(r);
+       }
+#endif
+       /* If reaching this point, it's a 64-bit arch or time64-only
+        * 32-bit arch and we can get result directly into timespec. */
+       return syscall(SYS_clock_getres, clk, ts);
 }