X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample%2Finternals%2F_PDCLIB_config.h;h=843653a7c666374927cf8714c7a020048f3338ea;hb=56bacb39160e13397fde32a36329461f3ae56ec1;hp=0059a7f6d9b9c41975e43bbb7eef0d46f8215619;hpb=ce0e5d8cd76b50f239fb8e95170502b146247b35;p=pdclib

diff --git a/platform/example/internals/_PDCLIB_config.h b/platform/example/internals/_PDCLIB_config.h
index 0059a7f..843653a 100644
--- a/platform/example/internals/_PDCLIB_config.h
+++ b/platform/example/internals/_PDCLIB_config.h
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* Internal PDCLib configuration <_PDCLIB_config.h>
    (Generic Template)
 
@@ -7,6 +5,9 @@
    Permission is granted to use, modify, and / or redistribute at will.
 */
 
+#ifndef _PDCLIB_CONFIG_H
+#define _PDCLIB_CONFIG_H _PDCLIB_CONFIG_H
+
 /* -------------------------------------------------------------------------- */
 /* Misc                                                                       */
 /* -------------------------------------------------------------------------- */
@@ -32,14 +33,6 @@
 /* to nothing. (This is to avoid warnings with the exit functions under GCC.) */
 #define _PDCLIB_NORETURN __attribute__(( noreturn ))
 
-/* The maximum value that errno can be set to. This is used to set the size   */
-/* of the array in struct lconv (<locale.h>) holding error messages for the   */
-/* strerror() and perror() functions. (If you change this value because you   */
-/* are using additional errno values, you *HAVE* to provide appropriate error */
-/* messages for *ALL* locales.)                                               */
-/* Default is 2 (0, ERANGE, EDOM).                                            */
-#define _PDCLIB_ERRNO_MAX 3
-
 /* -------------------------------------------------------------------------- */
 /* Integers                                                                   */
 /* -------------------------------------------------------------------------- */
@@ -341,6 +334,9 @@ typedef int _PDCLIB_fd_t;
    an uppercase 'E', and there is no mechanics in <errno.h> to unmask that
    particular value (for exactly that reason).
 
+   There also is no error message available for this value through either the
+   strerror() or perror() functions. It is being reported as "unknown" error.
+
    The idea is that you scan the source of PDCLib for occurrences of this macro
    and replace _PDCLIB_ERROR with whatever additional errno value you came up
    with for your platform.
@@ -351,3 +347,12 @@ typedef int _PDCLIB_fd_t;
 */
 #define _PDCLIB_ERROR  4
 
+/* The maximum value that errno can be set to. This is used to set the size   */
+/* of the array in struct lconv (<locale.h>) holding error messages for the   */
+/* strerror() and perror() functions. (If you change this value because you   */
+/* are using additional errno values, you *HAVE* to provide appropriate error */
+/* messages for *ALL* locales.)                                               */
+/* Default is 4 (0, ERANGE, EDOM, EILSEQ).                                    */
+#define _PDCLIB_ERRNO_MAX 4
+
+#endif