diff options
Diffstat (limited to 'newlib/libc/stdio/fread.c')
| -rw-r--r-- | newlib/libc/stdio/fread.c | 51 |
1 files changed, 3 insertions, 48 deletions
diff --git a/newlib/libc/stdio/fread.c b/newlib/libc/stdio/fread.c index d55ff66d8..cf9ab40b7 100644 --- a/newlib/libc/stdio/fread.c +++ b/newlib/libc/stdio/fread.c @@ -17,35 +17,22 @@ /* FUNCTION -<<fread>>. <<fread_unlocked>>---read array elements from a file +<<fread>>---read array elements from a file INDEX fread INDEX - fread_unlocked -INDEX _fread_r -INDEX - _fread_unlocked_r ANSI_SYNOPSIS #include <stdio.h> size_t fread(void *restrict <[buf]>, size_t <[size]>, size_t <[count]>, FILE *restrict <[fp]>); - #define _BSD_SOURCE - #include <stdio.h> - size_t fread_unlocked(void *restrict <[buf]>, size_t <[size]>, size_t <[count]>, - FILE *restrict <[fp]>); - #include <stdio.h> size_t _fread_r(struct _reent *<[ptr]>, void *restrict <[buf]>, size_t <[size]>, size_t <[count]>, FILE *restrict <[fp]>); - #include <stdio.h> - size_t _fread_unlocked_r(struct _reent *<[ptr]>, void *restrict <[buf]>, - size_t <[size]>, size_t <[count]>, FILE *restrict <[fp]>); - TRAD_SYNOPSIS #include <stdio.h> size_t fread(<[buf]>, <[size]>, <[count]>, <[fp]>) @@ -54,14 +41,6 @@ TRAD_SYNOPSIS size_t <[count]>; FILE *<[fp]>; - #define _BSD_SOURCE - #include <stdio.h> - size_t fread_unlocked(<[buf]>, <[size]>, <[count]>, <[fp]>) - char *<[buf]>; - size_t <[size]>; - size_t <[count]>; - FILE *<[fp]>; - #include <stdio.h> size_t _fread_r(<[ptr]>, <[buf]>, <[size]>, <[count]>, <[fp]>) struct _reent *<[ptr]>; @@ -70,14 +49,6 @@ TRAD_SYNOPSIS size_t <[count]>; FILE *<[fp]>; - #include <stdio.h> - size_t _fread_unlocked_r(<[ptr]>, <[buf]>, <[size]>, <[count]>, <[fp]>) - struct _reent *<[ptr]>; - char *<[buf]>; - size_t <[size]>; - size_t <[count]>; - FILE *<[fp]>; - DESCRIPTION <<fread>> attempts to copy, from the file or stream identified by <[fp]>, <[count]> elements (each of size <[size]>) into memory, @@ -87,17 +58,8 @@ starting at <[buf]>. <<fread>> may copy fewer elements than <<fread>> also advances the file position indicator (if any) for <[fp]> by the number of @emph{characters} actually read. -<<fread_unlocked>> is a non-thread-safe version of <<fread>>. -<<fread_unlocked>> may only safely be used within a scope -protected by flockfile() (or ftrylockfile()) and funlockfile(). This -function may safely be used in a multi-threaded program if and only -if they are called while the invoking thread owns the (FILE *) -object, as is the case after a successful call to the flockfile() or -ftrylockfile() functions. If threads are disabled, then -<<fread_unlocked>> is equivalent to <<fread>>. - -<<_fread_r>> and <<_fread_unlocked_r>> are simply reentrant versions of the -above that take an additional reentrant structure pointer argument: <[ptr]>. +<<_fread_r>> is simply the reentrant version of <<fread>> that +takes an additional reentrant structure pointer argument: <[ptr]>. RETURNS The result of <<fread>> is the number of elements it succeeded in @@ -106,8 +68,6 @@ reading. PORTABILITY ANSI C requires <<fread>>. -<<fread_unlocked>> is a BSD extension also provided by GNU libc. - Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>, <<read>>, <<sbrk>>, <<write>>. */ @@ -118,11 +78,6 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, #include <malloc.h> #include "local.h" -#ifdef __IMPL_UNLOCKED__ -#define _fread_r _fread_unlocked_r -#define fread fread_unlocked -#endif - #ifdef __SCLE static size_t _DEFUN(crlf_r, (ptr, fp, buf, count, eof), |