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/DragonOS-0.1.8/user/libs/libc/src/
Dstring.c36 void *memset(void *dst, unsigned char C, uint64_t size) in memset() argument
55 : "a"(tmp), "q"(size), "0"(size / 8), "1"(dst) in memset()
57 return dst; in memset()
68 char *strncpy(char *dst, const char *src, size_t Count) in strncpy() argument
82 : "S"(src), "D"(dst), "c"(Count) in strncpy()
84 return dst; in strncpy()
107 char *strcpy(char *dst, const char *src) in strcpy() argument
111 *(dst++) = *(src++); in strcpy()
113 *dst = 0; in strcpy()
115 return dst; in strcpy()
/DragonOS-0.1.8/kernel/src/common/
Dcompiler.h49 static __always_inline void __read_once_size(void *dst, const volatile void *src, int size) in __read_once_size() argument
54 *(__u8_alias_t *)dst = *(volatile __u8_alias_t *)src; in __read_once_size()
57 *(__u16_alias_t *)dst = *(volatile __u16_alias_t *)src; in __read_once_size()
60 *(__u32_alias_t *)dst = *(volatile __u32_alias_t *)src; in __read_once_size()
63 *(__u64_alias_t *)dst = *(volatile __u64_alias_t *)src; in __read_once_size()
67 __builtin_memcpy((void *)dst, (const void *)src, size); in __read_once_size()
80 static __always_inline void __write_once_size(volatile void *dst, void *src, int size) in __write_once_size() argument
85 *(volatile __u8_alias_t *)dst = *(__u8_alias_t *)src; in __write_once_size()
88 *(volatile __u16_alias_t *)dst = *(__u16_alias_t *)src; in __write_once_size()
91 *(volatile __u32_alias_t *)dst = *(__u32_alias_t *)src; in __write_once_size()
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Dglib.h68 void *memset(void *dst, unsigned char C, ul size) in memset() argument
87 : "a"(tmp), "q"(size), "0"(size / 8), "1"(dst) in memset()
89 return dst; in memset()
92 void *memset_c(void *dst, uint8_t c, size_t count) in memset_c() argument
94 uint8_t *xs = (uint8_t *)dst; in memset_c()
99 return dst; in memset_c()
110 static void *memcpy(void *dst, const void *src, long Num) in memcpy() argument
127 : "0"(Num / 8), "q"(Num), "1"(dst), "2"(src) in memcpy()
129 return dst; in memcpy()
217 static inline uint64_t copy_from_user(void *dst, void *src, uint64_t size) in copy_from_user() argument
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Dlz4.h146 LZ4LIB_API int LZ4_compress_default(const char *src, char *dst, int srcSize, int dstCapacity);
162 …LZ4LIB_API int LZ4_decompress_safe(const char *src, char *dst, int compressedSize, int dstCapacity…
189 …LZ4LIB_API int LZ4_compress_fast(const char *src, char *dst, int srcSize, int dstCapacity, int acc…
198 …LZ4LIB_API int LZ4_compress_fast_extState(void *state, const char *src, char *dst, int srcSize, in…
223 …LZ4LIB_API int LZ4_compress_destSize(const char *src, char *dst, int *srcSizePtr, int targetDstSiz…
259 …LZ4LIB_API int LZ4_decompress_safe_partial(const char *src, char *dst, int srcSize, int targetOutp…
329 …LZ4LIB_API int LZ4_compress_fast_continue(LZ4_stream_t *streamPtr, const char *src, char *dst, int…
401 …safe_continue(LZ4_streamDecode_t *LZ4_streamDecode, const char *src, char *dst, int srcSize, int d…
411 …LZ4LIB_API int LZ4_decompress_safe_usingDict(const char *src, char *dst, int srcSize, int dstCapci…
460 …t LZ4_compress_fast_extState_fastReset(void *state, const char *src, char *dst, int srcSize, int d…
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Dstring.h10 char *strcpy(char *dst, const char *src);
43 char *strncpy(char *dst, const char *src, long count);
45 long strncpy_from_user(char *dst, const char *src, unsigned long size);
/DragonOS-0.1.8/kernel/src/libs/
Dstring.c11 char *strcpy(char *dst, const char *src) in strcpy() argument
15 *(dst++) = *(src++); in strcpy()
17 *dst = 0; in strcpy()
19 return dst; in strcpy()
65 char *strncpy(char *dst, const char *src, long count) in strncpy() argument
79 : "S"(src), "D"(dst), "c"(count) in strncpy()
81 return dst; in strncpy()
84 long strncpy_from_user(char *dst, const char *src, unsigned long size) in strncpy_from_user() argument
89 strncpy(dst, src, size); in strncpy_from_user()
Dglib.c38 void *memmove(void *dst, const void *src, uint64_t size) in memmove() argument
41 char *_dst = dst; in memmove()
44 return dst; in memmove()
47 if (dst <= src) in memmove()
48 return memcpy(dst, src, size); in memmove()
58 return dst; in memmove()
Dlz4.c330 #define LZ4_memcpy(dst, src, size) memcpy(dst, src, size) argument
1629 char *const dst, in LZ4_compress_generic() argument
1652 assert(dst != NULL); in LZ4_compress_generic()
1653 dst[0] = 0; in LZ4_compress_generic()
1663 return LZ4_compress_generic_validated(cctx, src, dst, srcSize, in LZ4_compress_generic()
1712 int LZ4_compress_fast_extState_fastReset(void *state, const char *src, char *dst, int srcSize, int … in LZ4_compress_fast_extState_fastReset() argument
1728 …return LZ4_compress_generic(ctx, src, dst, srcSize, NULL, 0, notLimited, tableType, noDict, dictSm… in LZ4_compress_fast_extState_fastReset()
1732 …return LZ4_compress_generic(ctx, src, dst, srcSize, NULL, 0, notLimited, tableType, noDict, noDict… in LZ4_compress_fast_extState_fastReset()
1739 …return LZ4_compress_generic(ctx, src, dst, srcSize, NULL, 0, notLimited, tableType, noDict, noDict… in LZ4_compress_fast_extState_fastReset()
1750 …return LZ4_compress_generic(ctx, src, dst, srcSize, NULL, dstCapacity, limitedOutput, tableType, n… in LZ4_compress_fast_extState_fastReset()
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/DragonOS-0.1.8/user/libs/libc/src/include/export/
Dstring.h9 void *memset(void *dst, unsigned char C, uint64_t size);
35 char *strncpy(char *dst, const char *src, size_t Count);
44 char* strcpy(char* dst, const char* src);
63 static void *memcpy(void *dst, const void *src, long Num) in memcpy() argument
80 : "0"(Num / 8), "q"(Num), "1"(dst), "2"(src) in memcpy()
82 return dst; in memcpy()
/DragonOS-0.1.8/kernel/src/syscall/
Duser_access.rs43 pub unsafe fn copy_from_user(dst: &mut [u8], src: VirtAddr) -> Result<usize, SystemError> { in copy_from_user()
44 verify_area(src, dst.len()).map_err(|_| SystemError::EFAULT)?; in copy_from_user()
46 let src: &[u8] = core::slice::from_raw_parts(src.data() as *const u8, dst.len()); in copy_from_user()
48 dst.copy_from_slice(&src); in copy_from_user()
50 return Ok(dst.len()); in copy_from_user()
122 let dst = [0usize; 1]; in check_and_clone_cstr_array() localVariable
123 let mut dst = core::mem::transmute::<[usize; 1], [u8; size_of::<usize>()]>(dst); in check_and_clone_cstr_array() localVariable
124 copy_from_user(&mut dst, VirtAddr::new(addr as usize))?; in check_and_clone_cstr_array()
125 let dst = core::mem::transmute::<[u8; size_of::<usize>()], [usize; 1]>(dst); in check_and_clone_cstr_array() localVariable
126 str_ptr = dst[0] as *const u8; in check_and_clone_cstr_array()
/DragonOS-0.1.8/docs/userland/libc/apis/api-list/
Dstring.md13 ``char* strncpy(char *dst,const char *src,size_t count)``
17 dst: 目标地址
23 ``char* strcpy(char *dst,const char *src)`` : 复制整个字符串
/DragonOS-0.1.8/docs/kernel/core_api/
Dkernel_api.md493 #### `char *strncpy(char *dst, const char *src, long count)`
497 &emsp;&emsp;拷贝长度为count个字节的字符串，返回dst字符串
505 **dst**
513 #### `char *strcpy(char *dst, const char *src)`
517 &emsp;&emsp;拷贝源字符串，返回dst字符串
525 **dst**
529 #### `long strncpy_from_user(char *dst, const char *src, unsigned long size)`
543 **dst**
657 #### `void *memcpy(void *dst, const void *src, uint64_t size)`
661 &emsp;&emsp;将内存从src处拷贝到dst处。
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/DragonOS-0.1.8/kernel/src/filesystem/fat/
Dentry.rs1027 pub fn copy_name_to_slice(&self, dst: &mut [u16]) -> Result<(), SystemError> { in copy_name_to_slice()
1028 if dst.len() != Self::LONG_NAME_STR_LEN { in copy_name_to_slice()
1031 dst[0..5].copy_from_slice(&self.name1); in copy_name_to_slice()
1032 dst[5..11].copy_from_slice(&self.name2); in copy_name_to_slice()
1033 dst[11..13].copy_from_slice(&self.name3); in copy_name_to_slice()