X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=internals%2F_PDCLIB_int.h;h=4477fc1ddb479333fc693001b3ae3a85937b3b26;hb=7015f5842d05bd5da32523048e4260e60e9e310c;hp=0bad643c589157544f073781d1b33684f07c08e3;hpb=e34c756b945fd7970875fd42e81e636fe5dbd247;p=pdclib

diff --git a/internals/_PDCLIB_int.h b/internals/_PDCLIB_int.h
index 0bad643..4477fc1 100644
--- a/internals/_PDCLIB_int.h
+++ b/internals/_PDCLIB_int.h
@@ -1,4 +1,5 @@
-/* $Id$ */
+#ifndef _PDCLIB_INT_H
+#define _PDCLIB_INT_H
 
 /* PDCLib internal integer logic <_PDCLIB_int.h>
 
@@ -11,15 +12,8 @@
 /* would be considered a bug / missing feature: notify the author(s).         */
 /* -------------------------------------------------------------------------- */
 
-#ifndef _PDCLIB_CONFIG_H
-#define _PDCLIB_CONFIG_H _PDCLIB_CONFIG_H
 #include <_PDCLIB_config.h>
-#endif
-
-#ifndef _PDCLIB_AUX_H
-#define _PDCLIB_AUX_H _PDCLIB_AUX_H
 #include <_PDCLIB_aux.h>
-#endif
 
 /* null pointer constant */
 #define _PDCLIB_NULL 0
@@ -254,6 +248,36 @@ typedef unsigned _PDCLIB_intmax _PDCLIB_uintmax_t;
 #define _PDCLIB_INTMAX_C( value )  _PDCLIB_concat( value, _PDCLIB_INTMAX_LITERAL )
 #define _PDCLIB_UINTMAX_C( value ) _PDCLIB_concat( value, _PDCLIB_concat( u, _PDCLIB_INTMAX_LITERAL ) )
 
+/* -------------------------------------------------------------------------- */
+/* Various <time.h> internals                                                 */
+/* -------------------------------------------------------------------------- */
+
+typedef _PDCLIB_time            _PDCLIB_time_t;
+typedef _PDCLIB_clock           _PDCLIB_clock_t;
+
+#if !defined(_PDCLIB_DEFINE_STRUCT_TIMESPEC)
+#define _PDCLIB_DEFINE_STRUCT_TIMESPEC()    \
+    struct timespec {                       \
+        time_t tv_sec;                      \
+        long tv_nsec;                       \
+    };
+#endif
+
+#if !defined(_PDCLIB_DEFINE_STRUCT_TM)
+#define _PDCLIB_DEFINE_STRUCT_TM()          \
+    struct tm {                             \
+        int tm_sec;                         \
+        int tm_min;                         \
+        int tm_hour;                        \
+        int tm_mday;                        \
+        int tm_mon;                         \
+        int tm_year;                        \
+        int tm_wday;                        \
+        int tm_yday;                        \
+        int tm_isdst;                       \
+    };
+#endif
+    
 /* -------------------------------------------------------------------------- */
 /* Various <stdio.h> internals                                                */
 /* -------------------------------------------------------------------------- */
@@ -407,22 +431,39 @@ void _PDCLIB_closeall( void );
 /* errno                                                                      */
 /* -------------------------------------------------------------------------- */
 
+/* If PDCLib would call its error number "errno" directly, there would be no way
+   to catch its value from underlying system calls that also use it (i.e., POSIX
+   operating systems). That is why we use an internal name, providing a means to
+   access it through <errno.h>.
+*/
 extern int _PDCLIB_errno;
+
+/* A mechanism for delayed evaluation. (Not sure if this is really necessary, so
+   no detailed documentation on the "why".)
+*/
 int * _PDCLIB_errno_func( void );
 
-/* ERANGE and EDOM are specified by the standard. */
-#define _PDCLIB_ERANGE 1
-#define _PDCLIB_EDOM 2
-/* Used in the example implementation for any kind of I/O error. */
-#define _PDCLIB_EIO 3
-/* Used in the example implementation for "unknown error". */
-#define _PDCLIB_EUNKNOWN 4
-/* Used in the example implementation for "invalid parameter value". */
-#define _PDCLIB_EINVAL 5
-/* Used in the example implementation for "I/O retries exceeded". */
-#define _PDCLIB_ERETRY 6
-/* One larger than the largest used errno */
-#define _PDCLIB_EMAX 7
-
-/* TODO: Doing this via a static array is not the way to do it. */
-char const * _PDCLIB_errno_texts[ _PDCLIB_EMAX ];
+/* -------------------------------------------------------------------------- */
+/* <ctype.h> lookup tables                                                    */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_CTYPE_ALPHA   1
+#define _PDCLIB_CTYPE_BLANK   2
+#define _PDCLIB_CTYPE_CNTRL   4
+#define _PDCLIB_CTYPE_GRAPH   8
+#define _PDCLIB_CTYPE_PUNCT  16
+#define _PDCLIB_CTYPE_SPACE  32
+#define _PDCLIB_CTYPE_LOWER  64
+#define _PDCLIB_CTYPE_UPPER 128
+#define _PDCLIB_CTYPE_DIGIT 256
+#define _PDCLIB_CTYPE_XDIGT 512
+
+struct _PDCLIB_ctype_t
+{
+    _PDCLIB_uint16_t flags;
+    unsigned char upper;
+    unsigned char lower;
+    unsigned char collation;
+};
+
+#endif