X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample%2Finternals%2F_PDCLIB_config.h;h=f1d1475be97e4bd0493f9ccd14b471291ecbf8ea;hb=702bdf4497a72b422c591f69c45aa0be0ee23731;hp=150161f18373a92e262765a1774bd8d68c1aa96e;hpb=d02f38605b53cdff5460cc6b9e1b2a80c3a2ba4c;p=pdclib diff --git a/platform/example/internals/_PDCLIB_config.h b/platform/example/internals/_PDCLIB_config.h index 150161f..f1d1475 100644 --- a/platform/example/internals/_PDCLIB_config.h +++ b/platform/example/internals/_PDCLIB_config.h @@ -1,7 +1,5 @@ /* $Id$ */ -/* Release $Name$ */ - /* Internal PDCLib configuration <_PDCLIB_config.h> (Generic Template) @@ -94,6 +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 ). */ /* 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. */ @@ -101,15 +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, */ @@ -120,11 +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) */ @@ -142,10 +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 +/* 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 */ /* -------------------------------------------------------------------------- */ @@ -213,37 +229,59 @@ typedef char * _PDCLIB_va_list; /* 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