X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/fe8ab488e9161c46dd9885d58fc52996dc0249ff..c6bf4f310a33a9262d455ea4d3f0630b1255e3fe:/libsyscall/wrappers/_libc_funcptr.c?ds=sidebyside

diff --git a/libsyscall/wrappers/_libc_funcptr.c b/libsyscall/wrappers/_libc_funcptr.c
index 63eb09ca6..30a31c68c 100644
--- a/libsyscall/wrappers/_libc_funcptr.c
+++ b/libsyscall/wrappers/_libc_funcptr.c
@@ -2,7 +2,7 @@
  * Copyright (c) 2010-2014 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- * 
+ *
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,11 +22,13 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #include "_libkernel_init.h"
+#include "strings.h"
+
 extern _libkernel_functions_t _libkernel_functions;
 extern void mig_os_release(void* ptr);
 
@@ -56,9 +58,10 @@ void *
 reallocf(void *ptr, size_t size)
 {
 	void *nptr = realloc(ptr, size);
-	if (!nptr && ptr)
+	if (!nptr && ptr) {
 		free(ptr);
-	return (nptr);
+	}
+	return nptr;
 }
 
 __attribute__((visibility("hidden")))
@@ -70,26 +73,179 @@ _pthread_exit_if_canceled(int error)
 
 __attribute__((visibility("hidden")))
 void
-_pthread_set_self(void *ptr __attribute__((__unused__))) {}
+_pthread_set_self(void *ptr __attribute__((__unused__)))
+{
+}
 
 __attribute__((visibility("hidden")))
 void
 _pthread_clear_qos_tsd(mach_port_t thread_port)
 {
 	if (_libkernel_functions->version >= 3 &&
-			_libkernel_functions->pthread_clear_qos_tsd) {
+	    _libkernel_functions->pthread_clear_qos_tsd) {
 		return _libkernel_functions->pthread_clear_qos_tsd(thread_port);
 	}
 }
 
+/*
+ * Upcalls to optimized libplatform string functions
+ */
+
+static const struct _libkernel_string_functions
+    _libkernel_generic_string_functions = {
+	.bzero = _libkernel_bzero,
+	.memmove = _libkernel_memmove,
+	.memset = _libkernel_memset,
+	.strchr = _libkernel_strchr,
+	.strcmp = _libkernel_strcmp,
+	.strcpy = _libkernel_strcpy,
+	.strlcpy = _libkernel_strlcpy,
+	.strlen = _libkernel_strlen,
+};
+static _libkernel_string_functions_t _libkernel_string_functions =
+    &_libkernel_generic_string_functions;
+
+kern_return_t
+__libkernel_platform_init(_libkernel_string_functions_t fns)
+{
+	_libkernel_string_functions = fns;
+	return KERN_SUCCESS;
+}
+
+__attribute__((visibility("hidden")))
+void
+bzero(void *s, size_t n)
+{
+	return _libkernel_string_functions->bzero(s, n);
+}
+
+__attribute__((visibility("hidden")))
+void *
+memchr(const void *s, int c, size_t n)
+{
+	return _libkernel_string_functions->memchr(s, c, n);
+}
+
+__attribute__((visibility("hidden")))
+int
+memcmp(const void *s1, const void *s2, size_t n)
+{
+	return _libkernel_string_functions->memcmp(s1, s2, n);
+}
+
+__attribute__((visibility("hidden")))
+void *
+memmove(void *dst, const void *src, size_t n)
+{
+	return _libkernel_string_functions->memmove(dst, src, n);
+}
+
+__attribute__((visibility("hidden")))
+void *
+memcpy(void *dst, const void *src, size_t n)
+{
+	return _libkernel_string_functions->memmove(dst, src, n);
+}
+
+__attribute__((visibility("hidden")))
+void *
+memccpy(void *__restrict dst, const void *__restrict src, int c, size_t n)
+{
+	return _libkernel_string_functions->memccpy(dst, src, c, n);
+}
+
+__attribute__((visibility("hidden")))
+void *
+memset(void *b, int c, size_t len)
+{
+	return _libkernel_string_functions->memset(b, c, len);
+}
+
+__attribute__((visibility("hidden")))
+char *
+strchr(const char *s, int c)
+{
+	return _libkernel_string_functions->strchr(s, c);
+}
+
+__attribute__((visibility("hidden")))
+char *
+index(const char *s, int c)
+{
+	return _libkernel_string_functions->strchr(s, c);
+}
+
+__attribute__((visibility("hidden")))
+int
+strcmp(const char *s1, const char *s2)
+{
+	return _libkernel_string_functions->strcmp(s1, s2);
+}
+
+__attribute__((visibility("hidden")))
+char *
+strcpy(char * restrict dst, const char * restrict src)
+{
+	return _libkernel_string_functions->strcpy(dst, src);
+}
+
+__attribute__((visibility("hidden")))
+size_t
+strlcat(char * restrict dst, const char * restrict src, size_t maxlen)
+{
+	return _libkernel_string_functions->strlcat(dst, src, maxlen);
+}
+
+__attribute__((visibility("hidden")))
+size_t
+strlcpy(char * restrict dst, const char * restrict src, size_t maxlen)
+{
+	return _libkernel_string_functions->strlcpy(dst, src, maxlen);
+}
+
+__attribute__((visibility("hidden")))
+size_t
+strlen(const char *str)
+{
+	return _libkernel_string_functions->strlen(str);
+}
+
+__attribute__((visibility("hidden")))
+int
+strncmp(const char *s1, const char *s2, size_t n)
+{
+	return _libkernel_string_functions->strncmp(s1, s2, n);
+}
+
+__attribute__((visibility("hidden")))
+char *
+strncpy(char * restrict dst, const char * restrict src, size_t maxlen)
+{
+	return _libkernel_string_functions->strncpy(dst, src, maxlen);
+}
+
+__attribute__((visibility("hidden")))
+size_t
+strnlen(const char *s, size_t maxlen)
+{
+	return _libkernel_string_functions->strnlen(s, maxlen);
+}
+
+__attribute__((visibility("hidden")))
+char *
+strstr(const char *s, const char *find)
+{
+	return _libkernel_string_functions->strstr(s, find);
+}
+
 /*
  * mach/mach.h voucher_mach_msg API
  */
 
 static const struct _libkernel_voucher_functions
-		_libkernel_voucher_functions_empty;
+    _libkernel_voucher_functions_empty;
 static _libkernel_voucher_functions_t _libkernel_voucher_functions =
-		&_libkernel_voucher_functions_empty;
+    &_libkernel_voucher_functions_empty;
 
 kern_return_t
 __libkernel_voucher_init(_libkernel_voucher_functions_t fns)
@@ -131,4 +287,3 @@ voucher_mach_msg_revert(voucher_mach_msg_state_t state)
 		return _libkernel_voucher_functions->voucher_mach_msg_revert(state);
 	}
 }
-