1 files changed, 35 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libugly/gmtime_r.c b/mdk-stage1/dietlibc/libugly/gmtime_r.c
new file mode 100644
index 000000000..c102d10fa
--- /dev/null
+++ b/mdk-stage1/dietlibc/libugly/gmtime_r.c
@@ -0,0 +1,35 @@
+#include <time.h>
+
+/* seconds per day */
+#define SPD 24*60*60
+
+extern unsigned int __spm[];
+
+struct tm *gmtime_r(const time_t *timep, struct tm *r) {
+  time_t i;
+  register time_t work=*timep%(SPD);
+  r->tm_sec=work%60; work/=60;
+  r->tm_min=work%60; r->tm_hour=work/60;
+  work=*timep/(SPD);
+  r->tm_wday=(4+work)%7;
+  for (i=1970; ; ++i) {
+    register time_t k=__isleap(i)?366:365;
+    if (work>k)
+      work-=k;
+    else
+      break;
+  }
+  r->tm_year=i-1900;
+  r->tm_yday=work;
+
+  r->tm_mday=1;
+  if (__isleap(i) && (work>58)) {
+    if (work==59) r->tm_mday=2; /* 29.2. */
+    work-=1;
+  }
+
+  for (i=11; i && __spm[i]>work; --i) ;
+  r->tm_mon=i;
+  r->tm_mday+=work-__spm[i];
+  return r;
+}