/* Various <stdio.h> internals */
/* -------------------------------------------------------------------------- */
-/* Flags for representing mode (see fopen()). */
-#define _PDCLIB_FREAD 1
-#define _PDCLIB_FWRITE 2
-#define _PDCLIB_FAPPEND 4
-#define _PDCLIB_FRW 8
-#define _PDCLIB_FBIN 16
+/* Flags for representing mode (see fopen()). Note these must fit the same
+ status field as the _IO?BF flags in <stdio.h> and the internal flags below.
+*/
+#define _PDCLIB_FREAD 8u
+#define _PDCLIB_FWRITE 16u
+#define _PDCLIB_FAPPEND 32u
+#define _PDCLIB_FRW 64u
+#define _PDCLIB_FBIN 128u
+
+/* Internal flags, made to fit the same status field as the flags above. */
+#define _PDCLIB_WROTELAST 256u
+#define _PDCLIB_LIBBUFFER 512u
+#define _PDCLIB_VIRGINSTR 1024u
struct _PDCLIB_file_t
{
extern char _PDCLIB_digits[];
extern char _PDCLIB_Xdigits[];
-/* The worker for all printf() type of functions. */
+/* The worker for all printf() type of functions. The pointer spec should point
+ to the introducing '%' of a conversion specifier. The status structure is to
+ be that of the current printf() function, of which the members n, s, stream
+ and arg will be preserved, i will be updated, and all others will be trashed
+ by the function.
+ Returns a pointer to the first character not parsed as conversion specifier.
+*/
const char * _PDCLIB_print( const char * spec, struct _PDCLIB_status_t * status );