Pointer typedef resulted in non-const structure where const was intended.

[pdclib] / internals / _PDCLIB_int.h

diff --git a/internals/_PDCLIB_int.h b/internals/_PDCLIB_int.h
index 134123a1862fa650a1bccb0be8bb8186c8f638fd..ab1bc90b777879c03c2a53c25b8aaf323ca93bd9 100644 (file)
--- a/internals/_PDCLIB_int.h
+++ b/internals/_PDCLIB_int.h
@@ -309,6 +309,22 @@ _PDCLIB_uintmax_t _PDCLIB_strtox_main( const char ** p, unsigned int base, _PDCL
 extern char _PDCLIB_digits[];
 extern char _PDCLIB_Xdigits[];
 
+/* -------------------------------------------------------------------------- */
+/* Sanity checks                                                              */
+/* -------------------------------------------------------------------------- */
+
+#if _PDCLIB_C_VERSION >= 2011
+_Static_assert( sizeof( short ) == _PDCLIB_SHRT_BYTES, "_PDCLIB_SHRT_BYTES incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( sizeof( int ) == _PDCLIB_INT_BYTES, "_PDCLIB_INT_BYTES incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( sizeof( long ) == _PDCLIB_LONG_BYTES, "_PDCLIB_LONG_BYTES incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( sizeof( long long ) == _PDCLIB_LLONG_BYTES, "_PDCLIB_LLONG_BYTES incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( ( (char)-1 < 0 ) == _PDCLIB_CHAR_SIGNED, "_PDCLIB_CHAR_SIGNED incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( sizeof( _PDCLIB_wchar ) == sizeof( L'x' ), "_PDCLIB_wchar incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( sizeof( void * ) == sizeof( _PDCLIB_intptr ), "_PDCLIB_intptr incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( sizeof( sizeof( 1 ) ) == sizeof( _PDCLIB_size ), "_PDCLIB_size incorrectly defined, check _PDCLIB_config.h" );
+_Static_assert( sizeof( &_PDCLIB_digits[1] - &_PDCLIB_digits[0] ) == sizeof( _PDCLIB_ptrdiff ), "_PDCLIB_ptrdiff incorrectly defined, check _PDCLIB_config.h" );
+#endif
+
 /* -------------------------------------------------------------------------- */
 /* locale / wchar / uchar                                                     */
 /* -------------------------------------------------------------------------- */
@@ -338,20 +354,19 @@ typedef struct _PDCLIB_mbstate {
      */
     _PDCLIB_uint16_t     _Surrogate;
 
-    /* In cases where the underlying codec is capable of regurgitating a 
+    /* In cases where the underlying codec is capable of regurgitating a
      * character without consuming any extra input (e.g. a surrogate pair in a
-     * UCS-4 to UTF-16 conversion) then these fields are used to track that 
+     * UCS-4 to UTF-16 conversion) then these fields are used to track that
      * state. In particular, they are used to buffer/fake the input for mbrtowc
      * and similar functions.
      *
-     * See _PDCLIB_encoding.h for values of _PendState and the resultant value 
+     * See _PDCLIB_encoding.h for values of _PendState and the resultant value
      * in _PendChar.
      */
     unsigned char _PendState;
              char _PendChar;
 } _PDCLIB_mbstate_t;
 
-typedef struct _PDCLIB_charcodec *_PDCLIB_charcodec_t;
 typedef struct _PDCLIB_locale    *_PDCLIB_locale_t;
 typedef struct lconv              _PDCLIB_lconv_t;
 
@@ -375,17 +390,26 @@ typedef struct _PDCLIB_file     _PDCLIB_file_t; // Rename to _PDCLIB_FILE?
 /* Status structure required by _PDCLIB_print(). */
 struct _PDCLIB_status_t
 {
+    /* XXX This structure is horrible now. scanf needs its own */
+
     int              base;   /* base to which the value shall be converted   */
     _PDCLIB_int_fast32_t flags; /* flags and length modifiers                */
-    unsigned         n;      /* print: maximum characters to be written      */
+    unsigned         n;      /* print: maximum characters to be written (snprintf) */
                              /* scan:  number matched conversion specifiers  */
     unsigned         i;      /* number of characters read/written            */
     unsigned         current;/* chars read/written in the CURRENT conversion */
-    char *           s;      /* *sprintf(): target buffer                    */
-                             /* *sscanf():  source string                    */
     unsigned         width;  /* specified field width                        */
     int              prec;   /* specified field precision                    */
-    _PDCLIB_file_t * stream; /* *fprintf() / *fscanf() stream         */
+
+    union {
+        void *           ctx;    /* context for callback */
+        const char *     s;      /* input string for scanf */
+    };
+
+    union {
+        _PDCLIB_size_t ( *write ) ( void *p, const char *buf, _PDCLIB_size_t size );
+        _PDCLIB_file_t *stream;  /* for scanf */
+    };
     _PDCLIB_va_list  arg;    /* argument stack                               */
 };