diff options
Diffstat (limited to 'stdio/stdio.h')
| -rw-r--r-- | stdio/stdio.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/stdio/stdio.h b/stdio/stdio.h index dd4dd6db0d..eac8bd41b1 100644 --- a/stdio/stdio.h +++ b/stdio/stdio.h @@ -333,6 +333,11 @@ extern int fclose __P ((FILE *__stream)); /* Flush STREAM, or all streams if STREAM is NULL. */ extern int fflush __P ((FILE *__stream)); +#ifdef __USE_MISC +/* Faster versions when locking is not required. */ +extern int fflush_unlocked __P ((FILE *__stream)); +#endif + #ifdef __USE_GNU /* Close all streams. */ extern int __fcloseall __P ((void)); @@ -543,6 +548,26 @@ getchar (void) } #endif /* Optimizing. */ +#if defined __USE_POSIX || defined __USE_MISC +/* These are defined in POSIX.1:1996. */ +extern int getc_unlocked __P ((FILE *__stream)); +extern int getchar_unlocked __P ((void)); + +# ifdef __OPTIMIZE__ +extern __inline int +getc_unlocked (FILE *__stream) +{ + return __getc (__stream); +} + +extern __inline int +getchar_unlocked (void) +{ + return __getc (stdin); +} +# endif /* Optimizing. */ +#endif /* Use POSIX or MISC. */ + /* Write a character to STREAM. */ extern int fputc __P ((int __c, FILE *__stream)); @@ -571,6 +596,39 @@ putchar (int __c) } #endif +#ifdef __USE_MISC +/* Faster version when locking is not necessary. */ +extern int fputc_unlocked __P ((int __c, FILE *__stream)); + +# ifdef __OPTIMIZE__ +extern __inline int +fputc_unlocked (int __c, FILE *__stream) +{ + return __putc (__c, __stream); +} +# endif /* Optimizing. */ +#endif /* Use MISC. */ + +#if defined __USE_POSIX || defined __USE_MISC +/* These are defined in POSIX.1:1996. */ +extern int putc_unlocked __P ((int __c, FILE *__stream)); +extern int putchar_unlocked __P ((int __c)); + +# ifdef __OPTIMIZE__ +extern __inline int +putc_unlocked (int __c, FILE *__stream) +{ + return __putc (__c, __stream); +} + +extern __inline int +putchar_unlocked (int __c) +{ + return __putc (__c, stdout); +} +# endif /* Optimizing. */ +#endif /* Use POSIX or MISC. */ + #if defined __USE_SVID || defined __USE_MISC /* Get a word (int) from STREAM. */ @@ -585,6 +643,12 @@ extern int putw __P ((int __w, FILE *__stream)); extern char *fgets __P ((char *__restrict __s, int __n, FILE *__restrict __stream)); +#ifdef __USE_GNU +/* This function does the same as `fgets' but does not lock the stream. */ +extern char *fgets_unlocked __P ((char *__restrict __s, int __n, + FILE *__restrict __stream)); +#endif + /* Get a newline-terminated string from stdin, removing the newline. DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. */ extern char *gets __P ((char *__s)); @@ -635,6 +699,15 @@ extern size_t fread __P ((__ptr_t __restrict __ptr, size_t __size, extern size_t fwrite __P ((__const __ptr_t __restrict __ptr, size_t __size, size_t __n, FILE *__restrict __s)); +#ifdef __USE_MISC +/* Faster versions when locking is not necessary. */ +extern size_t fread_unlocked __P ((void *__restrict __ptr, size_t __size, + size_t __n, FILE *__restrict __stream)); +extern size_t fwrite_unlocked __P ((__const void *__restrict __ptr, + size_t __size, size_t __n, + FILE *__restrict __stream)); +#endif + /* Seek to a certain position on STREAM. */ extern int fseek __P ((FILE *__stream, long int __off, int __whence)); @@ -661,6 +734,17 @@ extern int ferror __P ((FILE *__stream)); #define ferror(stream) ((stream)->__error != 0) #endif /* Optimizing. */ +#ifdef __USE_MISC +/* Faster versions when locking is not required. */ +extern void clearerr_unlocked __P ((FILE *__stream)); +extern int feof_unlocked __P ((FILE *__stream)); +extern int ferror_unlocked __P ((FILE *__stream)); + +# ifdef __OPTIMIZE__ +# define feof_unlocked(stream) ((stream)->__eof != 0) +# define ferror_unlocked(stream) ((stream)->__error != 0) +# endif /* Optimizing. */ +#endif /* Print a message describing the meaning of the value of errno. */ extern void perror __P ((__const char *__s)); @@ -680,6 +764,11 @@ extern const char *const _sys_errlist[]; extern int fileno __P ((FILE *__stream)); #endif /* Use POSIX. */ +#ifdef __USE_MISC +/* Faster version when locking is not required. */ +extern int fileno_unlocked __P ((FILE *__stream)); +#endif + #if (defined __USE_POSIX2 || defined __USE_SVID || defined __USE_BSD || \ defined __USE_MISC) @@ -718,6 +807,35 @@ extern int obstack_vprintf __P ((struct obstack *__obstack, #endif +#if defined __USE_POSIX || defined __USE_MISC +/* These are defined in POSIX.1:1996. */ + +/* Acquire ownership of STREAM. */ +extern void flockfile __P ((FILE *__stream)); + +/* Try to acquire ownership of STREAM but do not block if it is not + possible. */ +extern int ftrylockfile __P ((FILE *__stream)); + +/* Relinquish the ownership granted for STREAM. */ +extern void funlockfile __P ((FILE *__stream)); +#endif /* POSIX || misc */ + +#if defined __USE_XOPEN && !defined __USE_GNU +/* The X/Open standard requires some functions and variables to be + declared here which do not belong into this header. But we have to + follow. In GNU mode we don't do this nonsense. */ + +/* For more information on these symbols look in <getopt.h>. */ +extern char *optarg; +extern int optind; +extern int opterr; +extern int optopt; + +extern int getopt __P ((int __argc, char *__const *__argv, + __const char *__shortopts)); +#endif + __END_DECLS #endif /* <stdio.h> included. */ |