mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
f3e28aa192
This change boosts SSL handshake performance from 2,627 to ~10,000 per
second which is the same level of performance as NGINX at establishing
secure connections. That's impressive if we consider that redbean is a
forking frontend application server. This was accomplished by:
1. Enabling either SSL session caching or SSL tickets. We choose to
use tickets since they reduce network round trips too and that's
a more important metric than wrk'ing localhost.
2. Fixing mbedtls_mpi_sub_abs() which is the most frequently called
function. It's called about 12,000 times during an SSL handshake
since it's the basis of most arithmetic operations like addition
and for some strange reason it was designed to make two needless
copies in addition to calling malloc and free. That's now fixed.
3. Improving TLS output buffering during the SSL handshake only, so
that only a single is write and read system call is needed until
blocking on the ping pong.
redbean will now do a better job wiping sensitive memory from a child
process as soon as it's not needed. The nice thing about fork is it's
much faster than reverse proxying so the goal is to use the different
address spaces along with setuid() to minimize the risk that a server
key will be compromised in the event that application code is hacked.
402 lines
21 KiB
C
402 lines
21 KiB
C
#ifndef COSMOPOLITAN_LIBC_STR_STR_H_
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#define COSMOPOLITAN_LIBC_STR_STR_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § characters » usas x3.4-1967 ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│─╝
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fourth age telecommunications */
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extern const uint8_t gperf_downcase[256];
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extern const uint8_t kToLower[256];
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extern const uint16_t kToLower16[256];
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extern const uint8_t kBase36[256];
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extern const char16_t kCp437[256];
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int isascii(int);
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int isspace(int);
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int isalpha(int);
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int isdigit(int);
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int isalnum(int);
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int isxdigit(int);
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int isprint(int);
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int islower(int);
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int isupper(int);
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int isblank(int);
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int iscntrl(int);
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int isgraph(int);
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int tolower(int);
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int ispunct(int);
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int toupper(int);
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int hextoint(int);
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int cescapec(int);
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § characters » thompson-pike encoding ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│─╝
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fifth age telecommunications
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0123456789abcdef
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┌0─ ☺☻♥♦♣♠•◘○◙♂♀♪♫☼┬───Control
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└1─►◄↕‼¶§▬↨↑↓→←∟↔▲▼┘
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┌2─ !"#$%&'()*+,-./┐
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│3 0123456789:;<=>?│
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│4 @ABCDEFGHIJKLMNO├───ASA x3.4-1967
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│5 PQRSTUVWXYZ[\]^_│
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│6 `abcdefghijklmno│
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└7─pqrstuvwxyz{|}~⌂┘
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┌8─ÇüéâäàåçêëèïîìÄÅ┐
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│9 ÉæÆôöòûùÿÖÜ¢£¥€ƒ├───Thompson-Pike Continuation
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│a á¡óúñѪº¿⌐¬½¼¡«»│ (not really characters)
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└b─░▒▓│┤╡╢╖╕╣║╗╝╜╛┐┘
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┌c─└┴┬├─┼╞╟╚╔╩╦╠═╬╧┬───1 Continuation will follow
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└d─╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀┘
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─e─αßΓπΣσμτΦΘΩδ∞φε∩────2 Continuations will follow
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f─≡±≥≤⌠⌡÷≈°∙·√ⁿ²■λ
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│ ││ │││└┤
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│ ││ │└┤ └───5 Continuations follow (and is negative)
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│ │└─┬┘ └─────5 Continuations follow (note: -1=λ┐┐┐┐┐)
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└───┬──┘ └────────4 Continuations follow
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└──────────────3 Continuations follow */
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#define INVALID_CODEPOINT 0xfffd
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int iswalnum(wint_t);
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int iswalpha(wint_t);
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int iswblank(wint_t);
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int iswcntrl(wint_t);
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int iswdigit(wint_t);
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int iswgraph(wint_t);
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int iswlower(wint_t);
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int iswspace(wint_t);
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int iswupper(wint_t);
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int iswxdigit(wint_t);
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int iswpunct(wint_t);
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int iswprint(wint_t);
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wint_t towlower(wint_t);
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wint_t towupper(wint_t);
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § strings ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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void *memset(void *, int, size_t) memcpyesque;
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void *memcpy(void *restrict, const void *restrict, size_t) memcpyesque;
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void *mempcpy(void *restrict, const void *restrict, size_t) memcpyesque;
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void *memccpy(void *restrict, const void *restrict, int, size_t) memcpyesque;
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void *memmove(void *, const void *, size_t) memcpyesque;
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void *memeqmask(void *, const void *, const void *, size_t) memcpyesque;
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size_t strlen(const char *) strlenesque;
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size_t strnlen(const char *, size_t) strlenesque;
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size_t strnlen_s(const char *, size_t);
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char *strchr(const char *, int) strlenesque;
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char *index(const char *, int) strlenesque;
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void *memchr(const void *, int, size_t) strlenesque;
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char *strchrnul(const char *, int) strlenesque returnsnonnull;
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void *rawmemchr(const void *, int) strlenesque returnsnonnull;
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void bzero(void *, size_t) paramsnonnull() libcesque;
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void explicit_bzero(void *, size_t) paramsnonnull() libcesque;
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size_t strlen16(const char16_t *) strlenesque;
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size_t strnlen16(const char16_t *, size_t) strlenesque;
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size_t strnlen16_s(const char16_t *, size_t);
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char16_t *strchr16(const char16_t *, int) strlenesque;
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void *memchr16(const void *, int, size_t) strlenesque;
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char16_t *strchrnul16(const char16_t *, int) strlenesque returnsnonnull;
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void *rawmemchr16(const void *, int) strlenesque returnsnonnull;
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size_t wcslen(const wchar_t *) strlenesque;
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size_t wcsnlen(const wchar_t *, size_t) strlenesque;
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size_t wcsnlen_s(const wchar_t *, size_t);
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wchar_t *wcschr(const wchar_t *, wchar_t) strlenesque;
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wchar_t *wmemchr(const wchar_t *, wchar_t, size_t) strlenesque;
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wchar_t *wcschrnul(const wchar_t *, wchar_t) strlenesque returnsnonnull;
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char *strstr(const char *, const char *) strlenesque;
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char16_t *strstr16(const char16_t *, const char16_t *) strlenesque;
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wchar_t *wcsstr(const wchar_t *, const wchar_t *) strlenesque;
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void *rawwmemchr(const void *, wchar_t) strlenesque returnsnonnull;
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int memcmp(const void *, const void *, size_t) strlenesque;
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int strcmp(const char *, const char *) strlenesque;
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int strncmp(const char *, const char *, size_t) strlenesque;
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int strcmp16(const char16_t *, const char16_t *) strlenesque;
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int strncmp16(const char16_t *, const char16_t *, size_t) strlenesque;
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int wcscmp(const wchar_t *, const wchar_t *) strlenesque;
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int wcsncmp(const wchar_t *, const wchar_t *, size_t) strlenesque;
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int wmemcmp(const wchar_t *, const wchar_t *, size_t) strlenesque;
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int strcasecmp(const char *, const char *) strlenesque;
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int memcasecmp(const void *, const void *, size_t) strlenesque;
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int strcasecmp16(const char16_t *, const char16_t *) strlenesque;
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int wcscasecmp(const wchar_t *, const wchar_t *) strlenesque;
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int strncasecmp(const char *, const char *, size_t) strlenesque;
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int strncasecmp16(const char16_t *, const char16_t *, size_t) strlenesque;
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int wcsncasecmp(const wchar_t *, const wchar_t *, size_t) strlenesque;
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char *strrchr(const char *, int) strlenesque;
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void *memrchr(const void *, int, size_t) strlenesque;
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char16_t *strrchr16(const char16_t *, int) strlenesque;
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void *memrchr16(const void *, int, size_t) strlenesque;
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wchar_t *wcsrchr(const wchar_t *, int) strlenesque;
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void *wmemrchr(const void *, wchar_t, size_t) strlenesque;
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char *strpbrk(const char *, const char *) strlenesque;
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char16_t *strpbrk16(const char16_t *, const char16_t *) strlenesque;
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wchar_t *wcspbrk(const wchar_t *, const wchar_t *) strlenesque;
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size_t strspn(const char *, const char *) strlenesque;
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size_t strspn16(const char16_t *, const char16_t *) strlenesque;
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size_t wcsspn(const wchar_t *, const wchar_t *) strlenesque;
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size_t strcspn(const char *, const char *) strlenesque;
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size_t strcspn16(const char16_t *, const char16_t *) strlenesque;
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size_t wcscspn(const wchar_t *, const wchar_t *) strlenesque;
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void *memfrob(void *, size_t) memcpyesque;
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int strcoll(const char *, const char *) strlenesque;
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char *strsep(char **, const char *) paramsnonnull();
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int strcmpzbw(const uint16_t *, const char *) strlenesque;
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int strcasecmpzbw(const uint16_t *, const char *) strlenesque;
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char *stpcpy(char *, const char *) memcpyesque;
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char *stpncpy(char *, const char *, size_t) memcpyesque;
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char *strcat(char *, const char *) memcpyesque;
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char16_t *strcat16(char16_t *, const char16_t *) memcpyesque;
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wchar_t *wcscat(wchar_t *, const wchar_t *) memcpyesque;
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size_t strlcpy(char *, const char *, size_t);
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size_t strlcat(char *, const char *, size_t);
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size_t strxfrm(char *, const char *, size_t);
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char *strcpy(char *, const char *) memcpyesque;
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char16_t *strcpy16(char16_t *, const char16_t *) memcpyesque;
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wchar_t *wcscpy(wchar_t *, const wchar_t *) memcpyesque;
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char *strncat(char *, const char *, size_t) memcpyesque;
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char *strncpy(char *, const char *, size_t) memcpyesque;
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char *strtok(char *, const char *) paramsnonnull((2)) libcesque;
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char *strtok_r(char *, const char *, char **) paramsnonnull((2, 3));
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uint16_t *strcpyzbw(uint16_t *, const char *) memcpyesque;
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wchar_t *wcstok(wchar_t *, const wchar_t *, wchar_t **) paramsnonnull((2, 3));
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char *wstrtrunc(uint16_t *) memcpyesque;
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char *wstrntrunc(uint16_t *, size_t) memcpyesque;
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bool startswith(const char *, const char *) strlenesque;
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bool startswith16(const char16_t *, const char16_t *) strlenesque;
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bool wcsstartswith(const wchar_t *, const wchar_t *) strlenesque;
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bool endswith(const char *, const char *) strlenesque;
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bool endswith16(const char16_t *, const char16_t *) strlenesque;
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bool wcsendswith(const wchar_t *, const wchar_t *) strlenesque;
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const char *IndexDoubleNulString(const char *, unsigned) strlenesque;
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int strverscmp(const char *, const char *);
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wchar_t *wmemset(wchar_t *, wchar_t, size_t) memcpyesque;
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char16_t *memset16(char16_t *, char16_t, size_t) memcpyesque;
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compatfn wchar_t *wmemcpy(wchar_t *, const wchar_t *, size_t) memcpyesque;
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compatfn wchar_t *wmempcpy(wchar_t *, const wchar_t *, size_t) memcpyesque;
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compatfn wchar_t *wmemmove(wchar_t *, const wchar_t *, size_t) memcpyesque;
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int timingsafe_memcmp(const void *, const void *, size_t);
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void *tinymemccpy(void *, const void *, int, size_t) memcpyesque;
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void *memmem(const void *, size_t, const void *, size_t)
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paramsnonnull() nothrow nocallback nosideeffect;
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char *strerror(int) returnsnonnull nothrow nocallback;
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long a64l(const char *);
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char *l64a(long);
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char *strntolower(char *, size_t);
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char *strtolower(char *) paramsnonnull();
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char *strntoupper(char *, size_t);
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char *strtoupper(char *) paramsnonnull();
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char *chomp(char *);
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char16_t *chomp16(char16_t *);
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wchar_t *wchomp(wchar_t *);
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bool escapedos(char16_t *, unsigned, const char16_t *, unsigned);
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void *memset_pure(void *, int, size_t) memcpyesque;
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void *memmove_pure(void *, const void *, size_t) memcpyesque;
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void *mempcpy_pure(void *, const void *, size_t) memcpyesque;
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size_t strlen_pure(const char *) strlenesque;
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size_t strcspn_pure(const char *, const char *) strlenesque;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § strings » multibyte ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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typedef unsigned mbstate_t;
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axdx_t tprecode8to16(char16_t *, size_t, const char *);
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axdx_t tprecode16to8(char *, size_t, const char16_t *);
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int strcmp8to16(const char *, const char16_t *) strlenesque;
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int strncmp8to16(const char *, const char16_t *, size_t) strlenesque;
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int strcasecmp8to16(const char *, const char16_t *) strlenesque;
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int strncasecmp8to16(const char *, const char16_t *, size_t) strlenesque;
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int strcmp16to8(const char16_t *, const char *) strlenesque;
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int strncmp16to8(const char16_t *, const char *, size_t) strlenesque;
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int strcasecmp16to8(const char16_t *, const char *) strlenesque;
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int strncasecmp16to8(const char16_t *, const char *, size_t) strlenesque;
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wchar_t *wcsncpy(wchar_t *, const wchar_t *, size_t);
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int mbtowc(wchar_t *, const char *, size_t);
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size_t mbrtowc(wchar_t *, const char *, size_t, mbstate_t *);
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size_t mbsrtowcs(wchar_t *, const char **, size_t, mbstate_t *);
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size_t mbstowcs(wchar_t *, const char *, size_t);
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size_t wcrtomb(char *, wchar_t, mbstate_t *);
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size_t c32rtomb(char *, char32_t, mbstate_t *);
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size_t mbrtoc32(char32_t *, const char *, size_t, mbstate_t *);
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size_t c16rtomb(char *, char16_t, mbstate_t *);
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size_t mbrtoc16(char16_t *, const char *, size_t, mbstate_t *);
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size_t mbrlen(const char *, size_t, mbstate_t *);
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size_t mbsnrtowcs(wchar_t *, const char **, size_t, size_t, mbstate_t *);
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size_t wcsnrtombs(char *, const wchar_t **, size_t, size_t, mbstate_t *);
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size_t wcsrtombs(char *, const wchar_t **, size_t, mbstate_t *);
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size_t wcstombs(char *, const wchar_t *, size_t);
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int mbsinit(const mbstate_t *);
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int mblen(const char *, size_t);
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int wctomb(char *, wchar_t);
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int wctob(wint_t);
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wint_t btowc(int);
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size_t strclen(const char *) nosideeffect;
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size_t strnclen(const char *, size_t) nosideeffect;
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size_t strclen16(const char16_t *) nosideeffect;
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size_t strnclen16(const char16_t *, size_t) nosideeffect;
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typedef unsigned wctype_t;
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wctype_t wctype(const char *) strlenesque;
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int iswctype(wint_t, wctype_t) pureconst;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § strings » system ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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char *strsignal(int) returnsnonnull libcesque;
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § strings » optimizations ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#define __memcpy_isgoodsize(SIZE) \
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(__builtin_constant_p(SIZE) && ((SIZE) <= __BIGGEST_ALIGNMENT__ && \
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__builtin_popcountl((unsigned)(SIZE)) == 1))
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#define __memset_isgoodsize(SIZE) \
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(__builtin_constant_p(SIZE) && \
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(((SIZE) <= __BIGGEST_ALIGNMENT__ && \
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__builtin_popcountl((unsigned)(SIZE)) == 1) || \
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((SIZE) % __BIGGEST_ALIGNMENT__ == 0 && \
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(SIZE) / __BIGGEST_ALIGNMENT__ <= 3)))
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#define memcpy(DEST, SRC, SIZE) \
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(__memcpy_isgoodsize(SIZE) ? __builtin_memcpy(DEST, SRC, SIZE) \
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: __memcpy("MemCpy", DEST, SRC, SIZE))
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#define memset(DEST, BYTE, SIZE) \
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(__memset_isgoodsize(SIZE) ? __builtin_memset(DEST, BYTE, SIZE) \
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: __memset(DEST, BYTE, SIZE))
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#if defined(__STDC_HOSTED__) && defined(__SSE2__)
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#define strlen(STR) \
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(__builtin_constant_p(STR) ? __builtin_strlen(STR) : ({ \
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size_t LeN; \
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const char *StR = (STR); \
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asm("call\tstrlen" \
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: "=a"(LeN) \
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: "D"(StR), "m"(*(char(*)[0x7fffffff])StR) \
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: "rcx", "rdx", "xmm3", "xmm4", "cc"); \
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LeN; \
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}))
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#define memmove(DEST, SRC, SIZE) __memcpy("MemMove", (DEST), (SRC), (SIZE))
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#define mempcpy(DEST, SRC, SIZE) \
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({ \
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size_t SIze = (SIZE); \
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(void *)((char *)memcpy((DEST), (SRC), SIze) + SIze); \
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})
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#define __memcpy(FN, DEST, SRC, SIZE) \
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({ \
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void *DeSt = (DEST); \
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const void *SrC = (SRC); \
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size_t SiZe = (SIZE); \
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asm("call\t" FN \
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: "=m"(*(char(*)[SiZe])(DeSt)) \
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: "D"(DeSt), "S"(SrC), "d"(SiZe), "m"(*(const char(*)[SiZe])(SrC)) \
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: "xmm3", "xmm4", "rcx", "cc"); \
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DeSt; \
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})
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#define __memset(DEST, BYTE, SIZE) \
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({ \
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void *DeSt = (DEST); \
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size_t SiZe = (SIZE); \
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asm("call\tMemSet" \
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: "=m"(*(char(*)[SiZe])(DeSt)) \
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: "D"(DeSt), "S"(BYTE), "d"(SiZe) \
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: "xmm3", "xmm4", "rcx", "cc"); \
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DeSt; \
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})
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#define explicit_bzero(STR, BYTES) \
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do { \
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void *Str; \
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size_t Bytes; \
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asm volatile("call\texplicit_bzero" \
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: "=D"(Str), "=S"(Bytes) \
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: "0"(STR), "1"(BYTES) \
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: "rax", "rcx", "rdx", "r8", "r9", "r10", "r11", "memory", \
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"cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5"); \
|
||
} while (0)
|
||
|
||
#else /* hosted+sse2 */
|
||
|
||
#define mempcpy(DEST, SRC, SIZE) \
|
||
({ \
|
||
void *Rdi, *Dest = (DEST); \
|
||
const void *Rsi, *Src = (SRC); \
|
||
size_t SiZe = (SIZE); \
|
||
size_t Rcx; \
|
||
asm("rep movsb" \
|
||
: "=D"(Rdi), "=S"(Rsi), "=c"(Rcx), "=m"(*(char(*)[SiZe])(Dest)) \
|
||
: "0"(Dest), "1"(Src), "2"(SiZe), "m"(*(const char(*)[SiZe])(Src)) \
|
||
: "cc"); \
|
||
Rdi; \
|
||
})
|
||
|
||
#define __memcpy(FN, DEST, SRC, SIZE) \
|
||
({ \
|
||
void *Rdi, *Dest = (DEST); \
|
||
const void *Rsi, *Src = (SRC); \
|
||
size_t SiZe = (SIZE); \
|
||
size_t Rcx; \
|
||
asm("rep movsb" \
|
||
: "=D"(Rdi), "=S"(Rsi), "=c"(Rcx), "=m"(*(char(*)[SiZe])(Dest)) \
|
||
: "0"(Dest), "1"(Src), "2"(SiZe), "m"(*(const char(*)[SiZe])(Src)) \
|
||
: "cc"); \
|
||
Dest; \
|
||
})
|
||
|
||
#define __memset(DEST, BYTE, SIZE) \
|
||
({ \
|
||
void *Rdi, *Dest = (DEST); \
|
||
size_t SiZe = (SIZE); \
|
||
size_t Rcx; \
|
||
asm("rep stosb" \
|
||
: "=D"(Rdi), "=c"(Rcx), "=m"(*(char(*)[SiZe])(Dest)) \
|
||
: "0"(Dest), "1"(SiZe), "a"(BYTE) \
|
||
: "cc"); \
|
||
Dest; \
|
||
})
|
||
|
||
#endif /* hosted/sse2/unbloat */
|
||
/*───────────────────────────────────────────────────────────────────────────│─╗
|
||
│ cosmopolitan § strings » address sanitizer ─╬─│┼
|
||
╚────────────────────────────────────────────────────────────────────────────│*/
|
||
#if defined(__FSANITIZE_ADDRESS__)
|
||
|
||
#undef memcpy
|
||
#undef memmove
|
||
#undef mempcpy
|
||
#undef memset
|
||
#undef strlen
|
||
|
||
#define memcpy memmove_pure
|
||
#define memmove memmove_pure
|
||
#define mempcpy mempcpy_pure
|
||
#define memset memset_pure
|
||
#define strcspn strcspn_pure
|
||
#define strlen strlen_pure
|
||
|
||
#endif /* __FSANITIZE_ADDRESS__ */
|
||
#endif /* __GNUC__ && !__STRICT_ANSI__ */
|
||
COSMOPOLITAN_C_END_
|
||
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
|
||
#endif /* COSMOPOLITAN_LIBC_STR_STR_H_ */
|