X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=internals%2F_PDCLIB_int.h;h=d4d0d9a00eb99e0e3762c554b9f7810b51bbe02c;hb=38c392a0b8812ee3d1a60b7bda4540a306484e7c;hp=a0a63704f889bc033c2b8aee4b2d8ce672f1ac0c;hpb=d2c64b8390799b64a24609e689ef87dec9b74dea;p=pdclib diff --git a/internals/_PDCLIB_int.h b/internals/_PDCLIB_int.h index a0a6370..d4d0d9a 100644 --- a/internals/_PDCLIB_int.h +++ b/internals/_PDCLIB_int.h @@ -118,8 +118,6 @@ typedef unsigned char _PDCLIB_uint8_t; #define _PDCLIB_INT8_MAX _PDCLIB_CHAR_MAX #define _PDCLIB_INT8_MIN _PDCLIB_CHAR_MIN #define _PDCLIB_UINT8_MAX _PDCLIB_UCHAR_MAX -#define _PDCLIB_INT8_LITERAL -#define _PDCLIB_UINT8_LITERAL #else #error Unsupported width of char (not 8 bits). #endif @@ -131,16 +129,12 @@ typedef unsigned int _PDCLIB_uint16_t; #define _PDCLIB_INT16_MAX _PDCLIB_INT_MAX #define _PDCLIB_INT16_MIN _PDCLIB_INT_MIN #define _PDCLIB_UINT16_MAX _PDCLIB_UINT_MAX -#define _PDCLIB_INT16_LITERAL -#define _PDCLIB_UINT16_LITERAL #elif _PDCLIB_SHRT_BYTES == 2 typedef signed short _PDCLIB_int16_t; typedef unsigned short _PDCLIB_uint16_t; #define _PDCLIB_INT16_MAX _PDCLIB_SHRT_MAX #define _PDCLIB_INT16_MIN _PDCLIB_SHRT_MIN #define _PDCLIB_UINT16_MAX _PDCLIB_USHRT_MAX -#define _PDCLIB_INT16_LITERAL s -#define _PDCLIB_UINT16_LITERAL us #else #error Neither 'short' nor 'int' are 16-bit. #endif @@ -254,25 +248,33 @@ typedef unsigned _PDCLIB_intmax _PDCLIB_uintmax_t; /* Various internals */ /* -------------------------------------------------------------------------- */ -/* Flags for representing mode (see fopen()). */ -#define _PDCLIB_FREAD 1u -#define _PDCLIB_FWRITE 2u -#define _PDCLIB_FAPPEND 4u -#define _PDCLIB_FRW 8u -#define _PDCLIB_FBIN 16u +/* Flags for representing mode (see fopen()). Note these must fit the same + status field as the _IO?BF flags in 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 32u -#define _PDCLIB_LIBBUFFER 64u +#define _PDCLIB_LIBBUFFER 512u +#define _PDCLIB_VIRGINSTR 1024u +#define _PDCLIB_ERRORFLAG 2048u +#define _PDCLIB_EOFFLAG 4096u +#define _PDCLIB_WIDESTREAM 8192u +#define _PDCLIB_BYTESTREAM 16384u struct _PDCLIB_file_t { _PDCLIB_fd_t handle; /* OS-specific file descriptor */ _PDCLIB_fpos_t position; /* file position indicator */ - void * buffer; /* file buffer */ + char * buffer; /* file buffer */ _PDCLIB_size_t bufsize; /* size of buffer */ + _PDCLIB_size_t bufidx; /* index to point of action in buffer */ + _PDCLIB_size_t bufend; /* index to end of pre-read buffer */ unsigned int status; /* misc. status bits */ - /*mbstate_t mbstate; multibyte parse state - TODO: Unmask. */ + char * filename; /* name used in fopen() / freopen() */ struct _PDCLIB_file_t * next; /* provisions for linked list handling */ }; @@ -324,7 +326,7 @@ _PDCLIB_intmax_t _PDCLIB_atomax( const char * s ); /* Two helper functions used by strtol(), strtoul() and long long variants. */ const char * _PDCLIB_strtox_prelim( const char * p, char * sign, int * base ); -_PDCLIB_uintmax_t _PDCLIB_strtox_main( const char ** p, unsigned int base, _PDCLIB_uintmax_t error, _PDCLIB_uintmax_t limval, _PDCLIB_uintmax_t limdigit, char * sign ); +_PDCLIB_uintmax_t _PDCLIB_strtox_main( const char ** p, unsigned int base, _PDCLIB_uintmax_t error, _PDCLIB_uintmax_t limval, int limdigit, char * sign ); /* Digits arrays used by various integer conversion functions */ extern char _PDCLIB_digits[]; @@ -338,3 +340,17 @@ extern char _PDCLIB_Xdigits[]; Returns a pointer to the first character not parsed as conversion specifier. */ const char * _PDCLIB_print( const char * spec, struct _PDCLIB_status_t * status ); + +/* Common denominator of puts() and fputs() */ +int _PDCLIB_puts( const char * s, const char * endl, struct _PDCLIB_file_t * stream ); + +/* Parsing any fopen() style filemode string into a number of flags. */ +unsigned int _PDCLIB_filemode( const char * mode ); + +/* Writing out unwritten buffers of a specific stream. A NULL parameter (as is + possible with standard fflush()) is not supported. + Return 0 if successful, EOF if error occured. Set error flag of stream and + errno as appropriate in case of error. +*/ +_PDCLIB_size_t _PDCLIB_flushbuffer( struct _PDCLIB_file_t * stream, _PDCLIB_size_t written, int retries ); +