171 lines
5.8 KiB
C
171 lines
5.8 KiB
C
/*
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* Copyright (C) 2007-2009 Apple Inc. All rights reserved.
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#ifndef __LIB_LIBC_H
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#define __LIB_LIBC_H
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#include <sys/types.h>
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#include <compiler.h>
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#if !WITH_HOST_LIBC
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#include <limits.h>
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#include <stdarg.h>
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#include <lib/heap.h>
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#define LIBC_FUNC(x) x
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// for compatibility with code that gets is_pow2, ROUNDUP, etc through
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// the standard lib headers. new/updated code should include libiboot.h
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// directly instead of getting it through libc.h
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#include <lib/libiboot.h>
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#else // WITH_HOST_LIBC
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// Prefix function names with libc_ in order to not collide with the real functions
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#define LIBC_FUNC(x) libc_##x
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#endif
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__BEGIN_DECLS
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/* stdio stuff */
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int LIBC_FUNC(puts)(const char *str);
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int LIBC_FUNC(getchar)(void);
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int LIBC_FUNC(putchar)(int c);
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int LIBC_FUNC(printf)(const char *fmt, ...) __printflike(1, 2);
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int LIBC_FUNC(vprintf)(const char *fmt, va_list ap);
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int LIBC_FUNC(snprintf)(char *str, size_t size, const char *fmt, ...) __printflike(3, 4);
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int LIBC_FUNC(vsnprintf)(char *str, size_t size, const char *fmt, va_list ap);
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/* fake fprintf to accomodate AssertMacros.h */
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#if !WITH_HOST_LIBC
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#define stdout 0
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#define stderr 0
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#endif
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int LIBC_FUNC(fprintf)(void *stream, const char *fmt, ...) __printflike(2, 3);
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/* string */
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void * LIBC_FUNC(memchr)(void const *, int, size_t);
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int LIBC_FUNC(memcmp)(void const *, const void *, size_t);
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int LIBC_FUNC(memcmp_secure)(void const *, const void *, size_t);
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void * LIBC_FUNC(memcpy)(void *, void const *, size_t);
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void * LIBC_FUNC(memmove)(void *, void const *, size_t);
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void * LIBC_FUNC(memset)(void *, int, size_t);
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char * LIBC_FUNC(strchr)(char const *, int);
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int LIBC_FUNC(strcmp)(char const *, char const *);
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size_t LIBC_FUNC(strlen)(char const *);
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int LIBC_FUNC(strncmp)(char const *, char const *, size_t);
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char * LIBC_FUNC(strpbrk)(char const *, char const *);
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char * LIBC_FUNC(strrchr)(char const *, int);
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size_t LIBC_FUNC(strspn)(char const *, char const *);
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size_t LIBC_FUNC(strcspn)(const char *s, const char *);
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char * LIBC_FUNC(strstr)(char const *, char const *);
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char * LIBC_FUNC(strtok)(char *, char const *);
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int LIBC_FUNC(strcoll)(const char *s1, const char *s2);
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size_t LIBC_FUNC(strxfrm)(char *dest, const char *src, size_t n);
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char * LIBC_FUNC(strdup)(const char *str);
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/* non standard string */
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void * LIBC_FUNC(bcopy)(void const *, void *, size_t);
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void LIBC_FUNC(bzero)(void *, size_t);
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size_t LIBC_FUNC(strlcat)(char *, char const *, size_t);
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size_t LIBC_FUNC(strlcpy)(char *, char const *, size_t);
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int LIBC_FUNC(strncasecmp)(char const *, char const *, size_t);
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int LIBC_FUNC(strnicmp)(char const *, char const *, size_t);
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size_t LIBC_FUNC(strnlen)(char const *s, size_t count);
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char * LIBC_FUNC(strsep)(char **stringp, const char *delim);
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/* secure string functions */
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#if !WITH_HOST_LIBC
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#if !defined(__cplusplus)
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#if __has_builtin(__builtin___memcpy_chk)
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#define memcpy(dest, src, len) __builtin___memcpy_chk(dest, src, len, __builtin_object_size(dest, 0))
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#endif
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#if __has_builtin(__builtin___memmove_chk)
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#define memmove(dest, src, len) __builtin___memmove_chk(dest, src, len, __builtin_object_size(dest, 0))
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#endif
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#if __has_builtin(__builtin___memset_chk)
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#define memset(dest, c, len) __builtin___memset_chk(dest, c, len, __builtin_object_size(dest, 0))
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#endif
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#define bcopy(src, dest, len) memcpy(dest, src, len)
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#define bzero(dest, len) memset(dest, 0, len)
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#if __has_builtin(__builtin___strlcat_chk)
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#define strlcat(dest, src, len) __builtin___strlcat_chk(dest, src, len, __builtin_object_size(dest, 1))
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#endif
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#if __has_builtin(__builtin___strlcpy_chk)
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#define strlcpy(dest, src, len) __builtin___strlcpy_chk(dest, src, len, __builtin_object_size(dest, 1))
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#endif
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#if __has_builtin(__builtin___snprintf_chk)
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#define snprintf(dst, size, ...) __builtin___snprintf_chk(dst, size, 0, __builtin_object_size(dst, 1), __VA_ARGS__)
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#endif
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#if __has_builtin(__builtin___vsnprintf_chk)
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#define vsnprintf(dst, size, fmt, ap) __builtin___vsnprintf_chk(dst, size, 0, __builtin_object_size(dst, 1), fmt, ap)
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#endif
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#endif // __cplusplus
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#endif // !WITH_HOST_LIBC
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/* ctype */
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int LIBC_FUNC(isalnum)(int c);
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int LIBC_FUNC(isalpha)(int c);
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int LIBC_FUNC(iscntrl)(int c);
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int LIBC_FUNC(isdigit)(int c);
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int LIBC_FUNC(isgraph)(int c);
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int LIBC_FUNC(islower)(int c);
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int LIBC_FUNC(isprint)(int c);
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int LIBC_FUNC(ispunct)(int c);
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int LIBC_FUNC(isspace)(int c);
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int LIBC_FUNC(isupper)(int c);
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int LIBC_FUNC(isxdigit)(int c);
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int LIBC_FUNC(isascii)(int c);
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int LIBC_FUNC(toascii)(int c);
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unsigned char LIBC_FUNC(tolower)(unsigned char c);
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unsigned char LIBC_FUNC(toupper)(unsigned char c);
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/* errno */
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#if !WITH_HOST_LIBC
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extern int errno;
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#include <errno.h>
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#endif
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/* numbers */
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long LIBC_FUNC(strtol)(const char *nptr, char **endptr, int base);
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unsigned long LIBC_FUNC(strtoul)(const char *nptr, char **endptr, int base);
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unsigned long long LIBC_FUNC(strtoull)(const char * __restrict nptr, char ** __restrict endptr, int base);
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int LIBC_FUNC(atoi)(const char *nptr);
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/* stdlib */
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int LIBC_FUNC(system)(const char *command);
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void LIBC_FUNC(exit)(int status);
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void LIBC_FUNC(qsort)(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *));
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void LIBC_FUNC(srand)(unsigned int seed);
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int LIBC_FUNC(rand)(void);
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#if !WITH_HOST_LIBC
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uint32_t swap32(uint32_t x);
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uint16_t swap16(uint16_t x);
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/* ntohl and friends */
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uint32_t LIBC_FUNC(htonl)(uint32_t hostlong);
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uint16_t LIBC_FUNC(htons)(uint16_t hostshort);
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uint32_t LIBC_FUNC(ntohl)(uint32_t netlong);
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uint16_t LIBC_FUNC(ntohs)(uint16_t netshort);
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#endif
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__END_DECLS
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#endif
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