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-rw-r--r--stdio/stdio.h118
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. */