uniform behavior and documentation for (imax|ll|l)div()

1 files changed, 9 insertions, 6 deletions

diff --git a/src/inttypes/imaxdiv.c b/src/inttypes/imaxdiv.c
index b8344e5a..a213f9da 100644
--- a/src/inttypes/imaxdiv.c
+++ b/src/inttypes/imaxdiv.c
@@ -1,20 +1,23 @@
 #include "stddef.h"
 #include <inttypes.h>
 
+/** calculate quotient and remainder **/
+
 imaxdiv_t imaxdiv(intmax_t numer, intmax_t denom)
 {
-	imaxdiv_t r = {0};
-	if (denom == 0) {
-		/* undefined */
-		return r;
-	}
+	imaxdiv_t r;
 	r.quot = numer / denom;
 	r.rem = numer % denom;
-	/* if either cannot be represented, undefined */
 	return r;
 }
 
+/***
+computes both the quotient and remainder of ARGUMENT(numer)
+divided by ARGUMENT(denom).
+***/
 
 /*
+UNDEFINED(The result cannot be represented)
+RETURN_SUCCESS(a TYPEDEF(ldiv_t) containing both the quotient and remainder)
 STDC(199901)
 */