X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=internals%2F_PDCLIB_aux.h;h=a4e7a621e3565ec5457deeea061b273be519491f;hb=7842803c173209f48b087e149cae6204a48bb000;hp=8c4e897003e7e25c13f58c26bd3af274fa4d164f;hpb=0fc2b7c0c0a725426966b162a785cb3461879c19;p=pdclib.old

diff --git a/internals/_PDCLIB_aux.h b/internals/_PDCLIB_aux.h
index 8c4e897..a4e7a62 100644
--- a/internals/_PDCLIB_aux.h
+++ b/internals/_PDCLIB_aux.h
@@ -35,7 +35,7 @@
 #endif
 
 #ifndef __STDC_HOSTED__
-#warning Compiler does not define _ _STDC_HOSTED_ _ (not standard-compliant)!
+#error Compiler does not define _ _STDC_HOSTED_ _ (not standard-compliant)!
 #elif __STDC_HOSTED__ == 0
 #define _PDCLIB_HOSTED 0
 #elif __STDC_HOSTED__ == 1
@@ -45,8 +45,7 @@
 #endif
 
 #if _PDCLIB_C_VERSION != 99
-#warning Up to and including v1.x, PDCLib is only aiming at ISO/IEC 9899:1999 (C99).
-#warning PDCLib might not be fully conforming to either C89 or C95 prior to v2.x.
+#error PDCLib might not be fully conforming to either C89 or C95 prior to v2.x.
 #endif
 
 /* -------------------------------------------------------------------------- */
@@ -61,3 +60,14 @@
 #define _PDCLIB_symbol2value( x ) #x
 #define _PDCLIB_symbol2string( x ) _PDCLIB_symbol2value( x )
 #define _PDCLIB_symbol2identity( x ) x
+
+/* -------------------------------------------------------------------------- */
+/* Internal data types                                                        */
+/* -------------------------------------------------------------------------- */
+
+/* Structure required by both atexit() and exit() for handling atexit functions */
+struct _PDCLIB_exitfunc_t
+{
+    struct _PDCLIB_exitfunc_t * next;
+    void (*func)( void );
+};