X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample%2Finternals%2F_PDCLIB_config.h;h=f1d1475be97e4bd0493f9ccd14b471291ecbf8ea;hb=702bdf4497a72b422c591f69c45aa0be0ee23731;hp=c807a1bc0fdd41fcee5c7ffc5a25e2da3b0e87cf;hpb=66c9a724d570ec507c640f6708fe48c4b8ca8b80;p=pdclib

diff --git a/platform/example/internals/_PDCLIB_config.h b/platform/example/internals/_PDCLIB_config.h
index c807a1b..f1d1475 100644
--- a/platform/example/internals/_PDCLIB_config.h
+++ b/platform/example/internals/_PDCLIB_config.h
@@ -92,6 +92,8 @@ struct _PDCLIB_lldiv_t
 /* 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.            */
@@ -99,15 +101,19 @@ struct _PDCLIB_lldiv_t
 
 #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,   */
@@ -118,11 +124,13 @@ struct _PDCLIB_lldiv_t
 /* 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) */
@@ -140,10 +148,20 @@ struct _PDCLIB_lldiv_t
 
 /* 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                                                             */
 /* -------------------------------------------------------------------------- */
@@ -215,47 +233,55 @@ typedef char * _PDCLIB_va_list;
 
 /* 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 ---------------------------------------------------------------------- */
 
-/* The unique file descriptor returned by _PDCLIB_open(). */
+/* The type of the file descriptor returned by _PDCLIB_open(). */
 typedef int _PDCLIB_fd_t;
 
 /* The value (of type _PDCLIB_fd_t) returned by _PDCLIB_open() if the operation
    failed.
 */
-#define _PDCLIB_NOHANDLE -1
-
-/* A type in which to store file offsets. See fgetpos() / fsetpos(). */
-/* FIXME: The 'int' types here are placeholders. When changed, check out
-   stdinit.c, too. */
-typedef struct
-{
-    int position;
-    int mbstate;
-} _PDCLIB_fpos_t;
+#define _PDCLIB_NOHANDLE ( (_PDCLIB_fd_t) -1 )
 
 /* 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.
+   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
 
-/* Buffer size for tmpnam(). */
-#define _PDCLIB_L_tmpnam 100
+/* 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