From 8cace3f05003c6cb4d38c36890055f03151c2ad4 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Fri, 16 Oct 2026 02:39:56 +0800
Subject: Remove old code

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
---
 lib/libc/include/string.h | 97 -----------------------------------------------
 1 file changed, 97 deletions(-)
 delete mode 100644 lib/libc/include/string.h

(limited to 'lib/libc/include/string.h')

diff --git a/lib/libc/include/string.h b/lib/libc/include/string.h
deleted file mode 100644
index 3b55ccb..0000000
--- a/lib/libc/include/string.h
+++ /dev/null
@@ -1,97 +0,0 @@
-// Copyright 2016 The Fuchsia Authors
-// Copyright (c) 2008 Travis Geiselbrecht
-//
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file or at
-// https://opensource.org/licenses/MIT
-
-#ifndef ZIRCON_KERNEL_LIB_LIBC_INCLUDE_STRING_H_
-#define ZIRCON_KERNEL_LIB_LIBC_INCLUDE_STRING_H_
-
-// Other libc++ headers use <cstring> but libc++'s <cstring> complains if it
-// thinks <string.h> is not its own wrapper, which we do not need.  We always
-// get the kernel's <string.h> before the libc++ with the way the include paths
-// are set up, which is necessary because of other headers where preempting
-// libc++'s header is unavoidable for the kernel environment.  So just we
-// define the macro that <cstring> checks for to keep it happy.
-#define _LIBCPP_STRING_H
-
-#include <stddef.h>
-#include <zircon/compiler.h>
-
-__BEGIN_CDECLS
-
-int memcmp(const void*, const void*, size_t) __PURE;
-void* memcpy(void*, const void*, size_t);
-void* memmove(void*, const void*, size_t);
-void* memset(void*, int, size_t);
-
-char* strcat(char*, const char*);
-int strcmp(const char*, const char*) __PURE;
-char* strcpy(char*, const char*);
-size_t strlen(const char*) __PURE;
-char* strncat(char*, const char*, size_t);
-int strncmp(const char*, const char*, size_t) __PURE;
-char* strncpy(char*, const char*, size_t);
-size_t strspn(const char*, const char*) __PURE;
-size_t strcspn(const char* s, const char*) __PURE;
-char* strtok(char*, const char*);
-int strcoll(const char* s1, const char* s2) __PURE;
-size_t strxfrm(char* dest, const char* src, size_t n) __PURE;
-
-// Not actually defined in the kernel, but <cstring> expects the declaration.
-char* strerror(int);
-
-// Nonstandard.
-size_t strlcat(char*, const char*, size_t);
-size_t strlcpy(char*, const char*, size_t);
-int strncasecmp(const char*, const char*, size_t) __PURE;
-int strnicmp(const char*, const char*, size_t) __PURE;
-size_t strnlen(const char* s, size_t count) __PURE;
-
-// Used by address sanitizer.
-__typeof(memcpy) __unsanitized_memcpy;
-__typeof(memmove) __unsanitized_memmove;
-__typeof(memset) __unsanitized_memset;
-
-__END_CDECLS
-
-// C++ wants overloads for const and non-const versions of some functions.
-#ifdef __cplusplus
-
-const char* strchr(const char*, int) __asm__("strchr") __PURE;
-inline char* strchr(char* s, int c) {
-  return const_cast<char*>(strchr(const_cast<const char*>(s), c));
-}
-
-const char* strpbrk(const char*, const char*) __asm__("strpbrk") __PURE;
-inline char* strpbrk(char* s1, const char* s2) {
-  return const_cast<char*>(strpbrk(const_cast<const char*>(s1), s2));
-}
-
-const char* strrchr(const char*, int) __asm__("strrchr") __PURE;
-inline char* strrchr(char* s, int c) {
-  return const_cast<char*>(strrchr(const_cast<const char*>(s), c));
-}
-
-const void* memchr(const void*, int, size_t) __asm__("memchr") __PURE;
-inline void* memchr(void* s, int c, size_t n) {
-  return const_cast<void*>(memchr(const_cast<const void*>(s), c, n));
-}
-
-const char* strstr(const char*, const char*) __asm__("strstr") __PURE;
-inline char* strstr(char* s1, const char* s2) {
-  return const_cast<char*>(strstr(const_cast<const char*>(s1), s2));
-}
-
-#else
-
-void* memchr(const void*, int, size_t);
-char* strchr(const char*, int) __PURE;
-char* strpbrk(const char*, const char*) __PURE;
-char* strrchr(const char*, int) __PURE;
-char* strstr(const char*, const char*) __PURE;
-
-#endif  // __cplusplus
-
-#endif  // ZIRCON_KERNEL_LIB_LIBC_INCLUDE_STRING_H_
-- 
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