1 files changed, 52 insertions, 0 deletions
diff --git a/src/state/hpr_fmttime.c b/src/state/hpr_fmttime.c
new file mode 100644
index 0000000..8038cfe
--- /dev/null
+++ b/src/state/hpr_fmttime.c
@@ -0,0 +1,52 @@
+/* ISC license. */
+
+#include <string.h>
+
+#include <skalibs/types.h>
+
+#include "hpr.h"
+
+size_t hpr_fmttime (char *buf, size_t max, unsigned int seconds)
+{
+  size_t m = 0 ;
+  unsigned int minutes = 0 ;
+  unsigned int hours = 0 ;
+  if (seconds >= 60)
+  {
+    minutes = seconds / 60 ;
+    seconds %= 60 ;
+    if (minutes >= 60)
+    {
+      hours = minutes / 60 ;
+      minutes %= 60 ;
+    }
+  }
+  m = sizeof(HPR_WALL_BANNER) - 1 ;
+  if (m > max) return 0 ;
+  memcpy(buf, HPR_WALL_BANNER, m) ;
+  if (hours)
+  {
+    if (m + UINT_FMT + 6 > max) return 0 ;
+    m += uint_fmt(buf + m, hours) ;
+    memcpy(buf + m, " hour", 5) ;
+    m += 5 ;
+    if (hours > 1) buf[m++] = 's' ;
+    buf[m++] = ' ' ;
+  }
+  if (minutes)
+  {
+    if (m + UINT_FMT + 8 > max) return 0 ;
+    m += uint_fmt(buf + m, minutes) ;
+    memcpy(buf + m, " minute", 7) ;
+    m += 7 ;
+    if (minutes > 1) buf[m++] = 's' ;
+    buf[m++] = ' ' ;
+  }
+  if (m + UINT_FMT + 8 > max) return 0 ;
+  m += uint_fmt(buf + m, seconds) ;
+  memcpy(buf + m, " second", 7) ;
+  m += 7 ;
+  if (seconds != 1) buf[m++] = 's' ;
+  buf[m++] = ' ' ;
+  return m ;
+}