diff options
Diffstat (limited to 'libc/stdio/_stdio.h')
| -rw-r--r-- | libc/stdio/_stdio.h | 102 |
1 files changed, 57 insertions, 45 deletions
diff --git a/libc/stdio/_stdio.h b/libc/stdio/_stdio.h index 94557c257..310510d66 100644 --- a/libc/stdio/_stdio.h +++ b/libc/stdio/_stdio.h @@ -4,6 +4,8 @@ * * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. */ +#ifndef __STDIO_H_I +#define __STDIO_H_I 1 #include <features.h> #include <assert.h> @@ -96,48 +98,61 @@ do { \ /**********************************************************************/ #ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__ -extern __ssize_t _cs_read(void *cookie, char *buf, size_t bufsize) attribute_hidden; -extern __ssize_t _cs_write(void *cookie, const char *buf, size_t bufsize) attribute_hidden; -extern int _cs_seek(void *cookie, __offmax_t *pos, int whence) attribute_hidden; -extern int _cs_close(void *cookie) attribute_hidden; - -#define __STDIO_STREAM_RESET_GCS(S) \ - (S)->__cookie = &((S)->__filedes); \ - (S)->__gcs.read = _cs_read; \ - (S)->__gcs.write = _cs_write; \ - (S)->__gcs.seek = _cs_seek; \ - (S)->__gcs.close = _cs_close - - -#define __READ(STREAMPTR,BUF,SIZE) \ - ((((STREAMPTR)->__gcs.read) == NULL) ? -1 : \ - (((STREAMPTR)->__gcs.read)((STREAMPTR)->__cookie,(BUF),(SIZE)))) -#define __WRITE(STREAMPTR,BUF,SIZE) \ - ((((STREAMPTR)->__gcs.write) == NULL) ? -1 : \ - (((STREAMPTR)->__gcs.write)((STREAMPTR)->__cookie,(BUF),(SIZE)))) -#define __SEEK(STREAMPTR,PPOS,WHENCE) \ - ((((STREAMPTR)->__gcs.seek) == NULL) ? -1 : \ - (((STREAMPTR)->__gcs.seek)((STREAMPTR)->__cookie,(PPOS),(WHENCE)))) -#define __CLOSE(STREAMPTR) \ - ((((STREAMPTR)->__gcs.close) == NULL) ? 0 : \ - (((STREAMPTR)->__gcs.close)((STREAMPTR)->__cookie))) +#define __STDIO_STREAM_GLIBC_CUSTOM_FILEDES (-2) + +#define __STDIO_STREAM_IS_CUSTOM(S) \ + ((S)->__filedes == __STDIO_STREAM_GLIBC_CUSTOM_FILEDES) + +#define __STDIO_STREAM_CUSTOM_IO_FUNC(S, NAME, RC, ARGS...) \ + if (__STDIO_STREAM_IS_CUSTOM((S))) { \ + _IO_cookie_file_t *cfile = (_IO_cookie_file_t *) (S); \ + return (cfile->__gcs.NAME == NULL) ? (RC) : \ + cfile->__gcs.NAME(cfile->__cookie, ##ARGS); \ + } + +typedef struct { + struct __STDIO_FILE_STRUCT __fp; + void *__cookie; + _IO_cookie_io_functions_t __gcs; +} _IO_cookie_file_t; #else /* __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__ */ +#undef __STDIO_STREAM_GLIBC_CUSTOM_FILEDES +#define __STDIO_STREAM_IS_CUSTOM(S) (0) +#define __STDIO_STREAM_CUSTOM_IO_FUNC(S, NAME, RC, ARGS...) + +#endif /* __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__ */ + extern int __stdio_seek(FILE *stream, register __offmax_t *pos, int whence) attribute_hidden; -#define __STDIO_STREAM_RESET_GCS(S) ((void)0) +static inline ssize_t __READ(FILE *stream, char *buf, size_t bufsize) +{ + __STDIO_STREAM_CUSTOM_IO_FUNC(stream, read, -1, buf, bufsize); -#define __READ(STREAMPTR,BUF,SIZE) \ - (read((STREAMPTR)->__filedes,(BUF),(SIZE))) -#define __WRITE(STREAMPTR,BUF,SIZE) \ - (write((STREAMPTR)->__filedes,(BUF),(SIZE))) -#define __SEEK(STREAMPTR,PPOS,WHENCE) \ - (__stdio_seek((STREAMPTR),(PPOS),(WHENCE))) -#define __CLOSE(STREAMPTR) \ - (close((STREAMPTR)->__filedes)) + return read(stream->__filedes, buf, bufsize); +} -#endif /* __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__ */ +static inline ssize_t __WRITE(FILE *stream, const char *buf, size_t bufsize) +{ + __STDIO_STREAM_CUSTOM_IO_FUNC(stream, write, -1, buf, bufsize); + + return write(stream->__filedes, buf, bufsize); +} + +static inline int __SEEK(FILE *stream, register __offmax_t *pos, int whence) +{ + __STDIO_STREAM_CUSTOM_IO_FUNC(stream, seek, -1, pos, whence); + + return __stdio_seek(stream, pos, whence); +} + +static inline int __CLOSE(FILE *stream) +{ + __STDIO_STREAM_CUSTOM_IO_FUNC(stream, close, 0); + + return close(stream->__filedes); +} /**********************************************************************/ #ifdef __UCLIBC_HAS_WCHAR__ @@ -254,12 +269,6 @@ extern int __stdio_seek(FILE *stream, register __offmax_t *pos, int whence) attr # define __STDIO_STREAM_CAN_USE_BUFFER_ADD(S) (0) #endif -#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__ -#define __STDIO_STREAM_IS_CUSTOM(S) ((S)->__cookie != &((S)->__filedes)) -#else -#define __STDIO_STREAM_IS_CUSTOM(S) (0) -#endif - /**********************************************************************/ #ifdef __STDIO_BUFFERS @@ -346,10 +355,10 @@ extern void _store_inttype(void *dest, int desttype, uintmax_t val) attribute_hi (S)->__bufread = (S)->__bufpos = (S)->__bufstart -#define __STDIO_STREAM_FAKE_VSNPRINTF_FILEDES (-2) -#define __STDIO_STREAM_FAKE_VSSCANF_FILEDES (-2) -#define __STDIO_STREAM_FAKE_VSWPRINTF_FILEDES (-3) -#define __STDIO_STREAM_FAKE_VSWSCANF_FILEDES (-3) +#define __STDIO_STREAM_FAKE_VSNPRINTF_FILEDES (-3) +#define __STDIO_STREAM_FAKE_VSSCANF_FILEDES (-3) +#define __STDIO_STREAM_FAKE_VSWPRINTF_FILEDES (-4) +#define __STDIO_STREAM_FAKE_VSWSCANF_FILEDES (-4) #define __STDIO_STREAM_IS_FAKE_VSNPRINTF(S) \ ((S)->__filedes == __STDIO_STREAM_FAKE_VSNPRINTF_FILEDES) @@ -386,6 +395,7 @@ extern void _store_inttype(void *dest, int desttype, uintmax_t val) attribute_hi #define __STDIO_STREAM_IS_FAKE_VSNPRINTF(S) (0) #define __STDIO_STREAM_IS_FAKE_VSSCANF(S) (0) #undef __STDIO_STREAM_IS_FAKE_VSWPRINTF +#undef __STDIO_STREAM_IS_FAKE_VSWSCANF # ifdef __USE_OLD_VFPRINTF__ # define __STDIO_STREAM_FAKE_VSNPRINTF_FILEDES_NB (-2) @@ -461,3 +471,5 @@ extern int _vfwprintf_internal (FILE * __restrict stream, #if defined(__STDIO_BUFFERS) || defined(__USE_OLD_VFPRINTF__) || defined(__UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__) #define __STDIO_HAS_VSNPRINTF 1 #endif + +#endif /* __STDIO_H_I */ |