1 files changed, 40 insertions, 0 deletions
diff --git a/src/pdclib/functions/stdlib/ldiv.c b/src/pdclib/functions/stdlib/ldiv.c
new file mode 100644
index 0000000..0f51944
--- /dev/null
+++ b/src/pdclib/functions/stdlib/ldiv.c
@@ -0,0 +1,40 @@
+/* ldiv( long int, long int )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdlib.h>
+
+#ifndef REGTEST
+
+ldiv_t ldiv( long int numer, long int denom )
+{
+    ldiv_t rc;
+    rc.quot = numer / denom;
+    rc.rem  = numer % denom;
+    /* TODO: pre-C99 compilers might require modulus corrections */
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    ldiv_t result;
+    result = ldiv( 5, 2 );
+    TESTCASE( result.quot == 2 && result.rem == 1 );
+    result = ldiv( -5, 2 );
+    TESTCASE( result.quot == -2 && result.rem == -1 );
+    result = ldiv( 5, -2 );
+    TESTCASE( result.quot == -2 && result.rem == 1 );
+    TESTCASE( sizeof( result.quot ) == sizeof( long ) );
+    TESTCASE( sizeof( result.rem )  == sizeof( long ) );
+    return TEST_RESULTS;
+}
+
+#endif