/* $Id$ */
-/* Release $Name$ */
-
/* Internal PDCLib configuration <_PDCLIB_config.h>
(Generic Template)
/* SHRT, INT, LONG, or LLONG (telling which values to use for the *_MIN and */
/* *_MAX limits); the lowercase define either short, int, long, or long long */
/* (telling the actual type to use). */
+/* The third define is the length modifier used for the type in printf() and */
+/* scanf() functions (used in <inttypes.h>). */
/* If you require a non-standard datatype to define the "usually fastest" */
/* types, PDCLib as-is doesn't support that. Please contact the author with */
/* details on your platform in that case, so support can be added. */
#define _PDCLIB_FAST8 INT
#define _PDCLIB_fast8 int
+#define _PDCLIB_FAST8_CONV
#define _PDCLIB_FAST16 INT
#define _PDCLIB_fast16 int
+#define _PDCLIB_FAST16_CONV
#define _PDCLIB_FAST32 INT
#define _PDCLIB_fast32 int
+#define _PDCLIB_FAST32_CONV
#define _PDCLIB_FAST64 LLONG
#define _PDCLIB_fast64 long long
+#define _PDCLIB_FAST64_CONV ll
/* -------------------------------------------------------------------------- */
/* What follows are a couple of "special" typedefs and their limits. Again, */
/* The result type of substracting two pointers */
#define _PDCLIB_ptrdiff int
#define _PDCLIB_PTRDIFF INT
+#define _PDCLIB_PTR_CONV
/* An integer type that can be accessed as atomic entity (think asynchronous
interrupts). The type itself is not defined in a freestanding environment,
but its limits are. (Don't ask.)
*/
+#define _PDCLIB_sig_atomic int
#define _PDCLIB_SIG_ATOMIC INT
/* Result type of the 'sizeof' operator (must be unsigned) */
/* Largest supported integer type. Implementation note: see _PDCLIB_atomax(). */
#define _PDCLIB_intmax long long int
-#define _PDCLIB_INTMAX LLINT
+#define _PDCLIB_INTMAX LLONG
+#define _PDCLIB_MAX_CONV ll
/* You are also required to state the literal suffix for the intmax type */
#define _PDCLIB_INTMAX_LITERAL ll
+/* <inttypes.h> defines imaxdiv(), which is equivalent to the div() function */
+/* family (see further above) with intmax_t as basis. */
+
+struct _PDCLIB_imaxdiv_t
+{
+ _PDCLIB_intmax quot;
+ _PDCLIB_intmax rem;
+};
+
/* -------------------------------------------------------------------------- */
/* Floating Point */
/* -------------------------------------------------------------------------- */
/* The actual *functions* of the OS interface are declared in _PDCLIB_glue.h. */
/* -------------------------------------------------------------------------- */
-/* Memory management */
+/* Memory management -------------------------------------------------------- */
/* Set this to the page size of your OS. If your OS does not support paging, set
to an appropriate value. (Too small, and malloc() will call the kernel too
- often. Too large, and you will waste memory.
+ often. Too large, and you will waste memory.)
*/
#define _PDCLIB_PAGESIZE 4096
-/* Set this to the minimum memory node size. Any malloc() for a smaller siz
- will be satisfied by a malloc() of this size instead.
+/* Set this to the minimum memory node size. Any malloc() for a smaller size
+ will be satisfied by a malloc() of this size instead (to avoid excessive
+ fragmentation).
*/
#define _PDCLIB_MINALLOC 8
-/* I/O */
+/* I/O ---------------------------------------------------------------------- */
-/* The unique file descriptor returned by _PDCLIB_open(). */
+/* The type of the file descriptor returned by _PDCLIB_open(). */
typedef int _PDCLIB_fd_t;
-/* A type in which to store file offsets. See fgetpos() / fsetpos(). */
-typedef struct
-{
- int position;
- int parse_state;
-} _PDCLIB_fpos_t;
+/* The value (of type _PDCLIB_fd_t) returned by _PDCLIB_open() if the operation
+ failed.
+*/
+#define _PDCLIB_NOHANDLE ( (_PDCLIB_fd_t) -1 )
-/* The mode flags used in calls to _PDCLIB_open(). */
-enum _PDCLIB_iomode_e
-{
- _PDCLIB_io_read = 1,
- _PDCLIB_io_write = 2,
- _PDCLIB_io_append = 4,
- _PDCLIB_io_create = 8,
- _PDCLIB_io_truncate = 16,
-};
+/* The default size for file buffers. Must be at least 256. */
+#define _PDCLIB_BUFSIZ 1024
+
+/* The minimum number of files the implementation can open simultaneously. Must
+ be at least 8. Depends largely on how the bookkeeping is done by fopen() /
+ freopen() / fclose(). The example implementation limits the number of open
+ files only by available memory.
+*/
+#define _PDCLIB_FOPEN_MAX 8
+
+/* Length of the longest filename the implementation guarantees to support. */
+#define _PDCLIB_FILENAME_MAX 128
+
+/* Maximum length of filenames generated by tmpnam(). (See tmpfile.c.) */
+#define _PDCLIB_L_tmpnam 46
+
+/* Number of distinct file names that can be generated by tmpnam(). */
+#define _PDCLIB_TMP_MAX 50
+
+/* The values of SEEK_SET, SEEK_CUR and SEEK_END, used by fseek().
+ Since at least one platform (POSIX) uses the same symbols for its own "seek"
+ function, we use whatever the host defines (if it does define them).
+*/
+#define _PDCLIB_SEEK_SET 0
+#define _PDCLIB_SEEK_CUR 1
+#define _PDCLIB_SEEK_END 2
+
+/* The number of characters that can be buffered with ungetc(). The standard
+ guarantees only one (1); anything larger would make applications relying on
+ this capability dependent on implementation-defined behaviour (not good).
+*/
+#define _PDCLIB_UNGETCBUFSIZE 1