libsyscall/mach/string.h

   1 /*
   2  * Copyright (c) 2010 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
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  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #ifndef _STRING_H_
  30 #define _STRING_H_
  31
  32 #include <stdarg.h>
  33 #include <_types.h>
  34 #include <sys/_types/_null.h>
  35 #include <sys/_types/_size_t.h>
  36 #include <sys/_types/_uintptr_t.h>
  37
  38 // We're purposefully called "string.h" in order to superceed any use
  39 // of Libc's string.h (which no one should be using bar MIG) in order
  40 // to override their use of memcpy.
  41
  42 int _mach_snprintf(char *buffer, int length, const char *fmt, ...) __printflike(3, 4);
  43 int _mach_vsnprintf(char *buffer, int length, const char *fmt, va_list ap) __printflike(3, 0);
  44
  45 // These declarations are just for MIG, other users should include string/strings.h
  46 // These symbols are defined in _libc_funcptr.c
  47
  48 void *memcpy(void *dst0, const void *src0, size_t length);
  49 void *memset(void *dst0, int c0, size_t length);
  50 void bzero(void *dst0, size_t length);
  51
  52 #endif /* _STRING_H_ */