X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=internals%2F_PDCLIB_config.h;h=2fa66c79507dd347522b1bead42c55210300d1fe;hb=064097d5ed6eb8c2cfd337c29ac3ebc471e557b8;hp=753080ba25cee8780f50c90f8d59f0cd9c0ac56d;hpb=6da00d2f9ead7e732007fef0ae46c45523059f2d;p=pdclib

diff --git a/internals/_PDCLIB_config.h b/internals/_PDCLIB_config.h
index 753080b..2fa66c7 100644
--- a/internals/_PDCLIB_config.h
+++ b/internals/_PDCLIB_config.h
@@ -23,6 +23,11 @@
 #define _PDCLIB_SUCCESS 0
 #define _PDCLIB_FAILURE -1
 
+/* qsort() in <stdlib.h> requires a function that swaps two memory areas.     */
+/* Below is a naive implementation that can be improved significantly for     */
+/* specific platforms, e.g. by swapping int instead of char.                  */
+#define _PDCLIB_memswp( i, j, size ) char tmp; do { tmp = *i; *i++ = *j; *j++ = tmp; } while ( --size );
+
 /* -------------------------------------------------------------------------- */
 /* Integers                                                                   */
 /* -------------------------------------------------------------------------- */
@@ -194,3 +199,12 @@ typedef char * _PDCLIB_va_list;
 #define _PDCLIB_va_copy( dest, src ) ( (dest) = (src), (void)0 )
 #define _PDCLIB_va_end( ap ) ( (ap) = (void *)0, (void)0 )
 #define _PDCLIB_va_start( ap, parmN ) ( (ap) = (char *) &parmN + ( _PDCLIB_va_round(parmN) ), (void)0 )
+
+/* -------------------------------------------------------------------------- */
+/* OS "glue"                                                                  */
+/* This is where PDCLib interfaces with the operating system. The examples    */
+/* below are POSIX calls; provide your OS' equivalents.                       */
+/* -------------------------------------------------------------------------- */
+
+/* A system call that terminates the calling process */
+#define _PDCLIB_Exit( x ) _exit( x )