avoid using math.h and floor()

hanslub42 · Apr 29, 2021 · d67ac37 · d67ac37
1 parent b588693
commit d67ac37
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/src/rlwrap.h b/src/rlwrap.h
@@ -40,7 +40,6 @@
 #include <signal.h>
 #include <stdio.h>
 #include <ctype.h>
-#include <math.h>
 #include <inttypes.h>  /* stdint.h is not on AIX, inttypes.h is in ISO C 1999 */
 
 #include <errno.h>

diff --git a/src/signals.c b/src/signals.c
@@ -455,11 +455,14 @@ static int myalarm_was_set = FALSE;
 
 void myalarm(int msecs) {
 #ifdef HAVE_SETITIMER
+  int retval;
   struct itimerval awhile = {{0,0},{0,0}};
-  awhile.it_value.tv_sec = floor(msecs/1000);
-  awhile.it_value.tv_usec = (msecs - awhile.it_value.tv_sec * 1000) * 1000;
+  int secs = msecs/1000;
+  awhile.it_value.tv_sec = secs;
+  awhile.it_value.tv_usec = (msecs -  secs * 1000) * 1000;
   received_sigALRM = FALSE;
-  setitimer(ITIMER_REAL, &awhile, NULL);
+  retval = setitimer(ITIMER_REAL, &awhile, NULL);
+  DPRINTF3(DEBUG_AD_HOC, "setitimer() = %d (tv_sec = %d, tv_usec=%ld)", retval, secs, awhile.it_value.tv_usec);
 #else
   received_sigALRM = FALSE;
   alarm(msecs == 0 ? 0 : 1 + msecs/1000));