diff options
Diffstat (limited to 'newlib/libc/stdio/fgets.c')
| -rw-r--r-- | newlib/libc/stdio/fgets.c | 49 |
1 files changed, 4 insertions, 45 deletions
diff --git a/newlib/libc/stdio/fgets.c b/newlib/libc/stdio/fgets.c index f7c8a0300..0280ea0c5 100644 --- a/newlib/libc/stdio/fgets.c +++ b/newlib/libc/stdio/fgets.c @@ -17,31 +17,20 @@ /* FUNCTION -<<fgets>>, <<fgets_unlocked>>---get character string from a file or stream +<<fgets>>---get character string from a file or stream INDEX fgets INDEX - fgets_unlocked -INDEX _fgets_r -INDEX - _fgets_unlocked_r ANSI_SYNOPSIS #include <stdio.h> char *fgets(char *restrict <[buf]>, int <[n]>, FILE *restrict <[fp]>); - #define _GNU_SOURCE - #include <stdio.h> - char *fgets_unlocked(char *restrict <[buf]>, int <[n]>, FILE *restrict <[fp]>); - #include <stdio.h> char *_fgets_r(struct _reent *<[ptr]>, char *restrict <[buf]>, int <[n]>, FILE *restrict <[fp]>); - #include <stdio.h> - char *_fgets_unlocked_r(struct _reent *<[ptr]>, char *restrict <[buf]>, int <[n]>, FILE *restrict <[fp]>); - TRAD_SYNOPSIS #include <stdio.h> char *fgets(<[buf]>,<[n]>,<[fp]>) @@ -49,13 +38,6 @@ TRAD_SYNOPSIS int <[n]>; FILE *<[fp]>; - #define _GNU_SOURCE - #include <stdio.h> - char *fgets_unlocked(<[buf]>,<[n]>,<[fp]>) - char *<[buf]>; - int <[n]>; - FILE *<[fp]>; - #include <stdio.h> char *_fgets_r(<[ptr]>, <[buf]>,<[n]>,<[fp]>) struct _reent *<[ptr]>; @@ -63,30 +45,14 @@ TRAD_SYNOPSIS int <[n]>; FILE *<[fp]>; - #include <stdio.h> - char *_fgets_unlocked_r(<[ptr]>, <[buf]>,<[n]>,<[fp]>) - struct _reent *<[ptr]>; - char *<[buf]>; - int <[n]>; - FILE *<[fp]>; - DESCRIPTION Reads at most <[n-1]> characters from <[fp]> until a newline is found. The characters including to the newline are stored in <[buf]>. The buffer is terminated with a 0. - <<fgets_unlocked>> is a non-thread-safe version of <<fgets>>. - <<fgets_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 - <<fgets_unlocked>> is equivalent to <<fgets>>. - - The functions <<_fgets_r>> and <<_fgets_unlocked_r>> are simply - reentrant versions that are passed the additional reentrant structure - pointer argument: <[ptr]>. + The <<_fgets_r>> function is simply the reentrant version of + <<fgets>> and is passed an additional reentrancy structure + pointer: <[ptr]>. RETURNS <<fgets>> returns the buffer passed to it, with the data @@ -99,8 +65,6 @@ PORTABILITY that <<fgets>> returns all of the data, while <<gets>> removes the trailing newline (with no indication that it has done so.) - <<fgets_unlocked>> is a GNU extension. - Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>, <<read>>, <<sbrk>>, <<write>>. */ @@ -110,11 +74,6 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, #include <string.h> #include "local.h" -#ifdef __IMPL_UNLOCKED__ -#define _fgets_r _fgets_unlocked_r -#define fgets fgets_unlocked -#endif - /* * Read at most n-1 characters from the given file. * Stop when a newline has been read, or the count runs out. |