diff options
Diffstat (limited to 'system/lib/libc/musl')
49 files changed, 1004 insertions, 29 deletions
diff --git a/system/lib/libc/musl/memcpy.c b/system/lib/libc/musl/memcpy.c deleted file mode 100644 index 8e98302f..00000000 --- a/system/lib/libc/musl/memcpy.c +++ /dev/null @@ -1,29 +0,0 @@ -#include <string.h> -#include <stdlib.h> -#include <stdint.h> - -#define SS (sizeof(size_t)) -#define ALIGN (sizeof(size_t)-1) -#define ONES ((size_t)-1/UCHAR_MAX) - -void *memcpy(void *restrict dest, const void *restrict src, size_t n) -{ - unsigned char *d = dest; - const unsigned char *s = src; - - if (((uintptr_t)d & ALIGN) != ((uintptr_t)s & ALIGN)) - goto misaligned; - - for (; ((uintptr_t)d & ALIGN) && n; n--) *d++ = *s++; - if (n) { - size_t *wd = (void *)d; - const size_t *ws = (const void *)s; - - for (; n>=SS; n-=SS) *wd++ = *ws++; - d = (void *)wd; - s = (const void *)ws; -misaligned: - for (; n; n--) *d++ = *s++; - } - return dest; -} diff --git a/system/lib/libc/musl/readme.txt b/system/lib/libc/musl/readme.txt new file mode 100644 index 00000000..0df3429d --- /dev/null +++ b/system/lib/libc/musl/readme.txt @@ -0,0 +1 @@ +These sources were downloaded from the musl-0.9.10 release on April 14, 2003. diff --git a/system/lib/libc/musl/src/internal/libc.c b/system/lib/libc/musl/src/internal/libc.c new file mode 100644 index 00000000..942f6b44 --- /dev/null +++ b/system/lib/libc/musl/src/internal/libc.c @@ -0,0 +1,22 @@ +#include "libc.h" + +#ifdef USE_LIBC_ACCESSOR +struct __libc *__libc_loc() +{ + static struct __libc __libc; + return &__libc; +} +#else +struct __libc __libc; +#endif + +#ifdef BROKEN_VISIBILITY +__asm__(".hidden __libc"); +#endif + +size_t __hwcap; +size_t __sysinfo; +char *__progname=0, *__progname_full=0; + +weak_alias(__progname, program_invocation_short_name); +weak_alias(__progname_full, program_invocation_name); diff --git a/system/lib/libc/musl/src/internal/libc.h b/system/lib/libc/musl/src/internal/libc.h new file mode 100644 index 00000000..c9416f07 --- /dev/null +++ b/system/lib/libc/musl/src/internal/libc.h @@ -0,0 +1,71 @@ +#ifndef LIBC_H +#define LIBC_H + +#include <stdlib.h> +#include <stdio.h> + +struct __libc { + void *main_thread; + int threaded; + int secure; + size_t *auxv; + int (*atexit)(void (*)(void)); + void (*fini)(void); + void (*ldso_fini)(void); + volatile int threads_minus_1; + int canceldisable; + FILE *ofl_head; + int ofl_lock[2]; + size_t tls_size; +}; + +extern size_t __hwcap; + +#if !defined(__PIC__) || (100*__GNUC__+__GNUC_MINOR__ >= 303 && !defined(__PCC__)) + +#ifdef __PIC__ +#if __GNUC__ < 4 +#define BROKEN_VISIBILITY 1 +#endif +#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden"))) +#else +#define ATTR_LIBC_VISIBILITY +#endif + +extern struct __libc __libc ATTR_LIBC_VISIBILITY; +#define libc __libc + +#else + +#define USE_LIBC_ACCESSOR +#define ATTR_LIBC_VISIBILITY +extern struct __libc *__libc_loc(void) __attribute__((const)); +#define libc (*__libc_loc()) + +#endif + + +/* Designed to avoid any overhead in non-threaded processes */ +void __lock(volatile int *) ATTR_LIBC_VISIBILITY; +void __unlock(volatile int *) ATTR_LIBC_VISIBILITY; +int __lockfile(FILE *) ATTR_LIBC_VISIBILITY; +void __unlockfile(FILE *) ATTR_LIBC_VISIBILITY; +#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1)) +#define UNLOCK(x) (libc.threads_minus_1 ? (__unlock(x),1) : ((void)(x),1)) + +void __synccall(void (*)(void *), void *); +int __setxid(int, int, int, int); + +extern char **__environ; + +#undef weak_alias +#define weak_alias(old, new) \ + extern __typeof(old) new __attribute__((weak, alias(#old))) + +#undef LFS64_2 +#define LFS64_2(x, y) weak_alias(x, y) + +#undef LFS64 +#define LFS64(x) LFS64_2(x, x##64) + +#endif diff --git a/system/lib/libc/musl/src/multibyte/btowc.c b/system/lib/libc/musl/src/multibyte/btowc.c new file mode 100644 index 00000000..9d2c3b16 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/btowc.c @@ -0,0 +1,7 @@ +#include <stdio.h> +#include <wchar.h> + +wint_t btowc(int c) +{ + return c<128U ? c : EOF; +} diff --git a/system/lib/libc/musl/src/multibyte/internal.c b/system/lib/libc/musl/src/multibyte/internal.c new file mode 100644 index 00000000..ab22806e --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/internal.c @@ -0,0 +1,38 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <inttypes.h> + +#include "internal.h" + +#define C(x) ( x<2 ? -1 : ( R(0x80,0xc0) | x ) ) +#define D(x) C((x+16)) +#define E(x) ( ( x==0 ? R(0xa0,0xc0) : \ + x==0xd ? R(0x80,0xa0) : \ + R(0x80,0xc0) ) \ + | ( R(0x80,0xc0) >> 6 ) \ + | x ) +#define F(x) ( ( x>=5 ? 0 : \ + x==0 ? R(0x90,0xc0) : \ + x==4 ? R(0x80,0xa0) : \ + R(0x80,0xc0) ) \ + | ( R(0x80,0xc0) >> 6 ) \ + | ( R(0x80,0xc0) >> 12 ) \ + | x ) + +const uint32_t bittab[] = { + C(0x2),C(0x3),C(0x4),C(0x5),C(0x6),C(0x7), + C(0x8),C(0x9),C(0xa),C(0xb),C(0xc),C(0xd),C(0xe),C(0xf), + D(0x0),D(0x1),D(0x2),D(0x3),D(0x4),D(0x5),D(0x6),D(0x7), + D(0x8),D(0x9),D(0xa),D(0xb),D(0xc),D(0xd),D(0xe),D(0xf), + E(0x0),E(0x1),E(0x2),E(0x3),E(0x4),E(0x5),E(0x6),E(0x7), + E(0x8),E(0x9),E(0xa),E(0xb),E(0xc),E(0xd),E(0xe),E(0xf), + F(0x0),F(0x1),F(0x2),F(0x3),F(0x4) +}; + +#ifdef BROKEN_VISIBILITY +__asm__(".hidden __fsmu8"); +#endif diff --git a/system/lib/libc/musl/src/multibyte/internal.h b/system/lib/libc/musl/src/multibyte/internal.h new file mode 100644 index 00000000..25ba240e --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/internal.h @@ -0,0 +1,22 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#define bittab __fsmu8 + +#include "libc.h" + +extern const uint32_t bittab[] ATTR_LIBC_VISIBILITY; + +/* Upper 6 state bits are a negative integer offset to bound-check next byte */ +/* equivalent to: ( (b-0x80) | (b+offset) ) & ~0x3f */ +#define OOB(c,b) (((((b)>>3)-0x10)|(((b)>>3)+((int32_t)(c)>>26))) & ~7) + +/* Interval [a,b). Either a must be 80 or b must be c0, lower 3 bits clear. */ +#define R(a,b) ((uint32_t)((a==0x80 ? 0x40-b : -a) << 23)) +#define FAILSTATE R(0x80,0x80) + +#define SA 0xc2u +#define SB 0xf4u diff --git a/system/lib/libc/musl/src/multibyte/mblen.c b/system/lib/libc/musl/src/multibyte/mblen.c new file mode 100644 index 00000000..26d35649 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mblen.c @@ -0,0 +1,17 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +int mblen(const char *s, size_t n) +{ + return mbtowc(0, s, n); +} diff --git a/system/lib/libc/musl/src/multibyte/mbrlen.c b/system/lib/libc/musl/src/multibyte/mbrlen.c new file mode 100644 index 00000000..c9714ef8 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mbrlen.c @@ -0,0 +1,18 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +size_t mbrlen(const char *restrict s, size_t n, mbstate_t *restrict st) +{ + static unsigned internal; + return mbrtowc(0, s, n, st ? st : (mbstate_t *)&internal); +} diff --git a/system/lib/libc/musl/src/multibyte/mbrtowc.c b/system/lib/libc/musl/src/multibyte/mbrtowc.c new file mode 100644 index 00000000..db803661 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mbrtowc.c @@ -0,0 +1,57 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +size_t mbrtowc(wchar_t *restrict wc, const char *restrict src, size_t n, mbstate_t *restrict st) +{ + static unsigned internal_state; + unsigned c; + const unsigned char *s = (const void *)src; + const unsigned N = n; + + if (!st) st = (void *)&internal_state; + c = *(unsigned *)st; + + if (!s) { + if (c) goto ilseq; + return 0; + } else if (!wc) wc = (void *)&wc; + + if (!n) return -2; + if (!c) { + if (*s < 0x80) return !!(*wc = *s); + if (*s-SA > SB-SA) goto ilseq; + c = bittab[*s++-SA]; n--; + } + + if (n) { + if (OOB(c,*s)) goto ilseq; +loop: + c = c<<6 | *s++-0x80; n--; + if (!(c&(1U<<31))) { + *(unsigned *)st = 0; + *wc = c; + return N-n; + } + if (n) { + if (*s-0x80u >= 0x40) goto ilseq; + goto loop; + } + } + + *(unsigned *)st = c; + return -2; +ilseq: + *(unsigned *)st = 0; + errno = EILSEQ; + return -1; +} diff --git a/system/lib/libc/musl/src/multibyte/mbsinit.c b/system/lib/libc/musl/src/multibyte/mbsinit.c new file mode 100644 index 00000000..c0e7e494 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mbsinit.c @@ -0,0 +1,17 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +int mbsinit(const mbstate_t *st) +{ + return !st || !*(unsigned *)st; +} diff --git a/system/lib/libc/musl/src/multibyte/mbsnrtowcs.c b/system/lib/libc/musl/src/multibyte/mbsnrtowcs.c new file mode 100644 index 00000000..33457f95 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mbsnrtowcs.c @@ -0,0 +1,65 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> +#include <stdio.h> + +#include "internal.h" + +size_t mbsnrtowcs(wchar_t *restrict wcs, const char **restrict src, size_t n, size_t wn, mbstate_t *restrict st) +{ + size_t l, cnt=0, n2; + wchar_t *ws, wbuf[256]; + const char *s = *src; + + if (!wcs) ws = wbuf, wn = sizeof wbuf / sizeof *wbuf; + else ws = wcs; + + /* making sure output buffer size is at most n/4 will ensure + * that mbsrtowcs never reads more than n input bytes. thus + * we can use mbsrtowcs as long as it's practical.. */ + + while ( s && wn && ( (n2=n/4)>=wn || n2>32 ) ) { + if (n2>=wn) n2=wn; + n -= n2; + l = mbsrtowcs(ws, &s, n2, st); + if (!(l+1)) { + cnt = l; + wn = 0; + break; + } + if (ws != wbuf) { + ws += l; + wn -= l; + } + cnt += l; + } + if (s) while (wn && n) { + l = mbrtowc(ws, s, n, st); + if (l+2<=2) { + if (!(l+1)) { + cnt = l; + break; + } + if (!l) { + s = 0; + break; + } + /* have to roll back partial character */ + *(unsigned *)st = 0; + break; + } + s += l; n -= l; + /* safe - this loop runs fewer than sizeof(wbuf)/8 times */ + ws++; wn--; + cnt++; + } + if (wcs) *src = s; + return cnt; +} diff --git a/system/lib/libc/musl/src/multibyte/mbsrtowcs.c b/system/lib/libc/musl/src/multibyte/mbsrtowcs.c new file mode 100644 index 00000000..75a493c4 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mbsrtowcs.c @@ -0,0 +1,100 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +size_t mbsrtowcs(wchar_t *restrict ws, const char **restrict src, size_t wn, mbstate_t *restrict st) +{ + const unsigned char *s = (const void *)*src; + size_t wn0 = wn; + unsigned c = 0; + + if (st && (c = *(unsigned *)st)) { + if (ws) { + *(unsigned *)st = 0; + goto resume; + } else { + goto resume0; + } + } + + if (!ws) for (;;) { + if (*s-1u < 0x7f && (uintptr_t)s%4 == 0) { + while (!(( *(uint32_t*)s | *(uint32_t*)s-0x01010101) & 0x80808080)) { + s += 4; + wn -= 4; + } + } + if (*s-1u < 0x7f) { + s++; + wn--; + continue; + } + if (*s-SA > SB-SA) break; + c = bittab[*s++-SA]; +resume0: + if (OOB(c,*s)) { s--; break; } + s++; + if (c&(1U<<25)) { + if (*s-0x80u >= 0x40) { s-=2; break; } + s++; + if (c&(1U<<19)) { + if (*s-0x80u >= 0x40) { s-=3; break; } + s++; + } + } + wn--; + c = 0; + } else for (;;) { + if (!wn) return wn0; + if (*s-1u < 0x7f && (uintptr_t)s%4 == 0) { + while (wn>=4 && !(( *(uint32_t*)s | *(uint32_t*)s-0x01010101) & 0x80808080)) { + *ws++ = *s++; + *ws++ = *s++; + *ws++ = *s++; + *ws++ = *s++; + wn -= 4; + } + } + if (*s-1u < 0x7f) { + *ws++ = *s++; + wn--; + continue; + } + if (*s-SA > SB-SA) break; + c = bittab[*s++-SA]; +resume: + if (OOB(c,*s)) { s--; break; } + c = (c<<6) | *s++-0x80; + if (c&(1U<<31)) { + if (*s-0x80u >= 0x40) { s-=2; break; } + c = (c<<6) | *s++-0x80; + if (c&(1U<<31)) { + if (*s-0x80u >= 0x40) { s-=3; break; } + c = (c<<6) | *s++-0x80; + } + } + *ws++ = c; + wn--; + c = 0; + } + + if (!c && !*s) { + if (ws) { + *ws = 0; + *src = 0; + } + return wn0-wn; + } + errno = EILSEQ; + if (ws) *src = (const void *)s; + return -1; +} diff --git a/system/lib/libc/musl/src/multibyte/mbstowcs.c b/system/lib/libc/musl/src/multibyte/mbstowcs.c new file mode 100644 index 00000000..dc0d4594 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mbstowcs.c @@ -0,0 +1,7 @@ +#include <stdlib.h> +#include <wchar.h> + +size_t mbstowcs(wchar_t *restrict ws, const char *restrict s, size_t wn) +{ + return mbsrtowcs(ws, (void*)&s, wn, 0); +} diff --git a/system/lib/libc/musl/src/multibyte/mbtowc.c b/system/lib/libc/musl/src/multibyte/mbtowc.c new file mode 100644 index 00000000..ec9e54ad --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/mbtowc.c @@ -0,0 +1,53 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" +#include <stdio.h> +int mbtowc(wchar_t *restrict wc, const char *restrict src, size_t n) +{ + unsigned c; + const unsigned char *s = (const void *)src; + + if (!s) return 0; + if (!n) goto ilseq; + if (!wc) wc = (void *)&wc; + + if (*s < 0x80) return !!(*wc = *s); + if (*s-SA > SB-SA) goto ilseq; + c = bittab[*s++-SA]; + + /* Avoid excessive checks against n: If shifting the state n-1 + * times does not clear the high bit, then the value of n is + * insufficient to read a character */ + if (n<4 && ((c<<(6*n-6)) & (1U<<31))) goto ilseq; + + if (OOB(c,*s)) goto ilseq; + c = c<<6 | *s++-0x80; + if (!(c&(1U<<31))) { + *wc = c; + return 2; + } + + if (*s-0x80u >= 0x40) goto ilseq; + c = c<<6 | *s++-0x80; + if (!(c&(1U<<31))) { + *wc = c; + return 3; + } + + if (*s-0x80u >= 0x40) goto ilseq; + *wc = c<<6 | *s++-0x80; + return 4; + +ilseq: + errno = EILSEQ; + return -1; +} diff --git a/system/lib/libc/musl/src/multibyte/wcrtomb.c b/system/lib/libc/musl/src/multibyte/wcrtomb.c new file mode 100644 index 00000000..250649f5 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/wcrtomb.c @@ -0,0 +1,38 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +size_t wcrtomb(char *restrict s, wchar_t wc, mbstate_t *restrict st) +{ + if (!s) return 1; + if ((unsigned)wc < 0x80) { + *s = wc; + return 1; + } else if ((unsigned)wc < 0x800) { + *s++ = 0xc0 | (wc>>6); + *s = 0x80 | (wc&0x3f); + return 2; + } else if ((unsigned)wc < 0xd800 || (unsigned)wc-0xe000 < 0x2000) { + *s++ = 0xe0 | (wc>>12); + *s++ = 0x80 | ((wc>>6)&0x3f); + *s = 0x80 | (wc&0x3f); + return 3; + } else if ((unsigned)wc-0x10000 < 0x100000) { + *s++ = 0xf0 | (wc>>18); + *s++ = 0x80 | ((wc>>12)&0x3f); + *s++ = 0x80 | ((wc>>6)&0x3f); + *s = 0x80 | (wc&0x3f); + return 4; + } + errno = EILSEQ; + return -1; +} diff --git a/system/lib/libc/musl/src/multibyte/wcsnrtombs.c b/system/lib/libc/musl/src/multibyte/wcsnrtombs.c new file mode 100644 index 00000000..a2e308b3 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/wcsnrtombs.c @@ -0,0 +1,52 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +size_t wcsnrtombs(char *restrict dst, const wchar_t **restrict wcs, size_t wn, size_t n, mbstate_t *restrict st) +{ + size_t l, cnt=0, n2; + char *s, buf[256]; + const wchar_t *ws = *wcs; + + if (!dst) s = buf, n = sizeof buf; + else s = dst; + + while ( ws && n && ( (n2=wn)>=n || n2>32 ) ) { + if (n2>=n) n2=n; + wn -= n2; + l = wcsrtombs(s, &ws, n2, 0); + if (!(l+1)) { + cnt = l; + n = 0; + break; + } + if (s != buf) { + s += l; + n -= l; + } + cnt += l; + } + if (ws) while (n && wn) { + l = wcrtomb(s, *ws, 0); + if ((l+1)<=1) { + if (!l) ws = 0; + else cnt = l; + break; + } + ws++; wn--; + /* safe - this loop runs fewer than sizeof(buf) times */ + s+=l; n-=l; + cnt++; + } + if (dst) *wcs = ws; + return cnt; +} diff --git a/system/lib/libc/musl/src/multibyte/wcsrtombs.c b/system/lib/libc/musl/src/multibyte/wcsrtombs.c new file mode 100644 index 00000000..d48a65e7 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/wcsrtombs.c @@ -0,0 +1,58 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +size_t wcsrtombs(char *restrict s, const wchar_t **restrict ws, size_t n, mbstate_t *restrict st) +{ + const wchar_t *ws2; + char buf[4]; + size_t N = n, l; + if (!s) { + for (n=0, ws2=*ws; *ws2; ws2++) { + if (*ws2 >= 0x80u) { + l = wcrtomb(buf, *ws2, 0); + if (!(l+1)) return -1; + n += l; + } else n++; + } + return n; + } + while (n>=4 && **ws) { + if (**ws >= 0x80u) { + l = wcrtomb(s, **ws, 0); + if (!(l+1)) return -1; + s += l; + n -= l; + } else { + *s++ = **ws; + n--; + } + (*ws)++; + } + while (n && **ws) { + if (**ws >= 0x80u) { + l = wcrtomb(buf, **ws, 0); + if (!(l+1)) return -1; + if (l>n) return N-n; + wcrtomb(s, **ws, 0); + s += l; + n -= l; + } else { + *s++ = **ws; + n--; + } + (*ws)++; + } + if (n) *s = 0; + *ws = 0; + return N-n; +} diff --git a/system/lib/libc/musl/src/multibyte/wcstombs.c b/system/lib/libc/musl/src/multibyte/wcstombs.c new file mode 100644 index 00000000..ab152874 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/wcstombs.c @@ -0,0 +1,7 @@ +#include <stdlib.h> +#include <wchar.h> + +size_t wcstombs(char *restrict s, const wchar_t *restrict ws, size_t n) +{ + return wcsrtombs(s, &(const wchar_t *){ws}, n, 0); +} diff --git a/system/lib/libc/musl/src/multibyte/wctob.c b/system/lib/libc/musl/src/multibyte/wctob.c new file mode 100644 index 00000000..d6353ee1 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/wctob.c @@ -0,0 +1,8 @@ +#include <stdio.h> +#include <wchar.h> + +int wctob(wint_t c) +{ + if (c < 128U) return c; + return EOF; +} diff --git a/system/lib/libc/musl/src/multibyte/wctomb.c b/system/lib/libc/musl/src/multibyte/wctomb.c new file mode 100644 index 00000000..6910ef37 --- /dev/null +++ b/system/lib/libc/musl/src/multibyte/wctomb.c @@ -0,0 +1,18 @@ +/* + * This code was written by Rich Felker in 2010; no copyright is claimed. + * This code is in the public domain. Attribution is appreciated but + * unnecessary. + */ + +#include <stdlib.h> +#include <inttypes.h> +#include <wchar.h> +#include <errno.h> + +#include "internal.h" + +int wctomb(char *s, wchar_t wc) +{ + if (!s) return 0; + return wcrtomb(s, wc, 0); +} diff --git a/system/lib/libc/musl/src/string/wcpcpy.c b/system/lib/libc/musl/src/string/wcpcpy.c new file mode 100644 index 00000000..ef401343 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcpcpy.c @@ -0,0 +1,6 @@ +#include <wchar.h> + +wchar_t *wcpcpy(wchar_t *restrict d, const wchar_t *restrict s) +{ + return wcscpy(d, s) + wcslen(s); +} diff --git a/system/lib/libc/musl/src/string/wcpncpy.c b/system/lib/libc/musl/src/string/wcpncpy.c new file mode 100644 index 00000000..b667f6d6 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcpncpy.c @@ -0,0 +1,6 @@ +#include <wchar.h> + +wchar_t *wcpncpy(wchar_t *restrict d, const wchar_t *restrict s, size_t n) +{ + return wcsncpy(d, s, n) + wcsnlen(s, n); +} diff --git a/system/lib/libc/musl/src/string/wcscasecmp.c b/system/lib/libc/musl/src/string/wcscasecmp.c new file mode 100644 index 00000000..3edeec7d --- /dev/null +++ b/system/lib/libc/musl/src/string/wcscasecmp.c @@ -0,0 +1,7 @@ +#include <wchar.h> +#include <wctype.h> + +int wcscasecmp(const wchar_t *l, const wchar_t *r) +{ + return wcsncasecmp(l, r, -1); +} diff --git a/system/lib/libc/musl/src/string/wcscasecmp_l.c b/system/lib/libc/musl/src/string/wcscasecmp_l.c new file mode 100644 index 00000000..065dd0aa --- /dev/null +++ b/system/lib/libc/musl/src/string/wcscasecmp_l.c @@ -0,0 +1,6 @@ +#include <wchar.h> + +int wcscasecmp_l(const wchar_t *l, const wchar_t *r, locale_t locale) +{ + return wcscasecmp(l, r); +} diff --git a/system/lib/libc/musl/src/string/wcscat.c b/system/lib/libc/musl/src/string/wcscat.c new file mode 100644 index 00000000..d4f00ebd --- /dev/null +++ b/system/lib/libc/musl/src/string/wcscat.c @@ -0,0 +1,7 @@ +#include <wchar.h> + +wchar_t *wcscat(wchar_t *restrict dest, const wchar_t *restrict src) +{ + wcscpy(dest + wcslen(dest), src); + return dest; +} diff --git a/system/lib/libc/musl/src/string/wcschr.c b/system/lib/libc/musl/src/string/wcschr.c new file mode 100644 index 00000000..8dfc2f31 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcschr.c @@ -0,0 +1,8 @@ +#include <wchar.h> + +wchar_t *wcschr(const wchar_t *s, wchar_t c) +{ + if (!c) return (wchar_t *)s + wcslen(s); + for (; *s && *s != c; s++); + return *s ? (wchar_t *)s : 0; +} diff --git a/system/lib/libc/musl/src/string/wcscmp.c b/system/lib/libc/musl/src/string/wcscmp.c new file mode 100644 index 00000000..26eeee70 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcscmp.c @@ -0,0 +1,7 @@ +#include <wchar.h> + +int wcscmp(const wchar_t *l, const wchar_t *r) +{ + for (; *l==*r && *l && *r; l++, r++); + return *l - *r; +} diff --git a/system/lib/libc/musl/src/string/wcscpy.c b/system/lib/libc/musl/src/string/wcscpy.c new file mode 100644 index 00000000..625bf53d --- /dev/null +++ b/system/lib/libc/musl/src/string/wcscpy.c @@ -0,0 +1,8 @@ +#include <wchar.h> + +wchar_t *wcscpy(wchar_t *restrict d, const wchar_t *restrict s) +{ + wchar_t *a = d; + while ((*d++ = *s++)); + return a; +} diff --git a/system/lib/libc/musl/src/string/wcscspn.c b/system/lib/libc/musl/src/string/wcscspn.c new file mode 100644 index 00000000..c4e52722 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcscspn.c @@ -0,0 +1,10 @@ +#include <wchar.h> + +size_t wcscspn(const wchar_t *s, const wchar_t *c) +{ + const wchar_t *a; + if (!c[0]) return wcslen(s); + if (!c[1]) return (s=wcschr(a=s, *c)) ? s-a : wcslen(a); + for (a=s; *s && !wcschr(c, *s); s++); + return s-a; +} diff --git a/system/lib/libc/musl/src/string/wcsdup.c b/system/lib/libc/musl/src/string/wcsdup.c new file mode 100644 index 00000000..dd49c1b6 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsdup.c @@ -0,0 +1,11 @@ +#include <stdlib.h> +#include <wchar.h> +#include "libc.h" + +wchar_t *wcsdup(const wchar_t *s) +{ + size_t l = wcslen(s); + wchar_t *d = malloc((l+1)*sizeof(wchar_t)); + if (!d) return NULL; + return wmemcpy(d, s, l+1); +} diff --git a/system/lib/libc/musl/src/string/wcslen.c b/system/lib/libc/musl/src/string/wcslen.c new file mode 100644 index 00000000..1b7b6655 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcslen.c @@ -0,0 +1,8 @@ +#include <wchar.h> + +size_t wcslen(const wchar_t *s) +{ + const wchar_t *a; + for (a=s; *s; s++); + return s-a; +} diff --git a/system/lib/libc/musl/src/string/wcsncasecmp.c b/system/lib/libc/musl/src/string/wcsncasecmp.c new file mode 100644 index 00000000..8fefe799 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsncasecmp.c @@ -0,0 +1,9 @@ +#include <wchar.h> +#include <wctype.h> + +int wcsncasecmp(const wchar_t *l, const wchar_t *r, size_t n) +{ + if (!n--) return 0; + for (; *l && *r && n && (*l == *r || towlower(*l) == towlower(*r)); l++, r++, n--); + return towlower(*l) - towlower(*r); +} diff --git a/system/lib/libc/musl/src/string/wcsncasecmp_l.c b/system/lib/libc/musl/src/string/wcsncasecmp_l.c new file mode 100644 index 00000000..63872481 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsncasecmp_l.c @@ -0,0 +1,6 @@ +#include <wchar.h> + +int wcsncasecmp_l(const wchar_t *l, const wchar_t *r, size_t n, locale_t locale) +{ + return wcsncasecmp(l, r, n); +} diff --git a/system/lib/libc/musl/src/string/wcsncat.c b/system/lib/libc/musl/src/string/wcsncat.c new file mode 100644 index 00000000..8563f1a2 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsncat.c @@ -0,0 +1,10 @@ +#include <wchar.h> + +wchar_t *wcsncat(wchar_t *restrict d, const wchar_t *restrict s, size_t n) +{ + wchar_t *a = d; + d += wcslen(d); + while (n && *s) n--, *d++ = *s++; + *d++ = 0; + return a; +} diff --git a/system/lib/libc/musl/src/string/wcsncmp.c b/system/lib/libc/musl/src/string/wcsncmp.c new file mode 100644 index 00000000..4ab32a92 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsncmp.c @@ -0,0 +1,7 @@ +#include <wchar.h> + +int wcsncmp(const wchar_t *l, const wchar_t *r, size_t n) +{ + for (; n && *l==*r && *l && *r; n--, l++, r++); + return n ? *l - *r : 0; +} diff --git a/system/lib/libc/musl/src/string/wcsncpy.c b/system/lib/libc/musl/src/string/wcsncpy.c new file mode 100644 index 00000000..4bede04d --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsncpy.c @@ -0,0 +1,9 @@ +#include <wchar.h> + +wchar_t *wcsncpy(wchar_t *restrict d, const wchar_t *restrict s, size_t n) +{ + wchar_t *a = d; + while (n && *s) n--, *d++ = *s++; + wmemset(d, 0, n); + return a; +} diff --git a/system/lib/libc/musl/src/string/wcsnlen.c b/system/lib/libc/musl/src/string/wcsnlen.c new file mode 100644 index 00000000..a7763373 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsnlen.c @@ -0,0 +1,8 @@ +#include <wchar.h> + +size_t wcsnlen(const wchar_t *s, size_t n) +{ + const wchar_t *z = wmemchr(s, 0, n); + if (z) n = z-s; + return n; +} diff --git a/system/lib/libc/musl/src/string/wcspbrk.c b/system/lib/libc/musl/src/string/wcspbrk.c new file mode 100644 index 00000000..0c72c197 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcspbrk.c @@ -0,0 +1,7 @@ +#include <wchar.h> + +wchar_t *wcspbrk(const wchar_t *s, const wchar_t *b) +{ + s += wcscspn(s, b); + return *s ? (wchar_t *)s : NULL; +} diff --git a/system/lib/libc/musl/src/string/wcsrchr.c b/system/lib/libc/musl/src/string/wcsrchr.c new file mode 100644 index 00000000..8961b9e2 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsrchr.c @@ -0,0 +1,8 @@ +#include <wchar.h> + +wchar_t *wcsrchr(const wchar_t *s, wchar_t c) +{ + const wchar_t *p; + for (p=s+wcslen(s); p>=s && *p!=c; p--); + return p>=s ? (wchar_t *)p : 0; +} diff --git a/system/lib/libc/musl/src/string/wcsspn.c b/system/lib/libc/musl/src/string/wcsspn.c new file mode 100644 index 00000000..4320d8f6 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsspn.c @@ -0,0 +1,8 @@ +#include <wchar.h> + +size_t wcsspn(const wchar_t *s, const wchar_t *c) +{ + const wchar_t *a; + for (a=s; *s && wcschr(c, *s); s++); + return s-a; +} diff --git a/system/lib/libc/musl/src/string/wcsstr.c b/system/lib/libc/musl/src/string/wcsstr.c new file mode 100644 index 00000000..037d0965 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcsstr.c @@ -0,0 +1,108 @@ +#include <wchar.h> +#include <string.h> +#include <stdlib.h> +#include <stdint.h> + +#define MAX(a,b) ((a)>(b)?(a):(b)) +#define MIN(a,b) ((a)<(b)?(a):(b)) + +static wchar_t *twoway_wcsstr(const wchar_t *h, const wchar_t *n) +{ + const wchar_t *z; + size_t l, ip, jp, k, p, ms, p0, mem, mem0; + + /* Computing length of needle */ + for (l=0; n[l] && h[l]; l++); + if (n[l]) return 0; /* hit the end of h */ + + /* Compute maximal suffix */ + ip = -1; jp = 0; k = p = 1; + while (jp+k<l) { + if (n[ip+k] == n[jp+k]) { + if (k == p) { + jp += p; + k = 1; + } else k++; + } else if (n[ip+k] > n[jp+k]) { + jp += k; + k = 1; + p = jp - ip; + } else { + ip = jp++; + k = p = 1; + } + } + ms = ip; + p0 = p; + + /* And with the opposite comparison */ + ip = -1; jp = 0; k = p = 1; + while (jp+k<l) { + if (n[ip+k] == n[jp+k]) { + if (k == p) { + jp += p; + k = 1; + } else k++; + } else if (n[ip+k] < n[jp+k]) { + jp += k; + k = 1; + p = jp - ip; + } else { + ip = jp++; + k = p = 1; + } + } + if (ip+1 > ms+1) ms = ip; + else p = p0; + + /* Periodic needle? */ + if (wmemcmp(n, n+p, ms+1)) { + mem0 = 0; + p = MAX(ms, l-ms-1) + 1; + } else mem0 = l-p; + mem = 0; + + /* Initialize incremental end-of-haystack pointer */ + z = h; + + /* Search loop */ + for (;;) { + /* Update incremental end-of-haystack pointer */ + if (z-h < l) { + /* Fast estimate for MIN(l,63) */ + size_t grow = l | 63; + const wchar_t *z2 = wmemchr(z, 0, grow); + if (z2) { + z = z2; + if (z-h < l) return 0; + } else z += grow; + } + + /* Compare right half */ + for (k=MAX(ms+1,mem); n[k] && n[k] == h[k]; k++); + if (n[k]) { + h += k-ms; + mem = 0; + continue; + } + /* Compare left half */ + for (k=ms+1; k>mem && n[k-1] == h[k-1]; k--); + if (k == mem) return (wchar_t *)h; + h += p; + mem = mem0; + } +} + +wchar_t *wcsstr(const wchar_t *restrict h, const wchar_t *restrict n) +{ + /* Return immediately on empty needle or haystack */ + if (!n[0]) return (wchar_t *)h; + if (!h[0]) return 0; + + /* Use faster algorithms for short needles */ + h = wcschr(h, *n); + if (!h || !n[1]) return (wchar_t *)h; + if (!h[1]) return 0; + + return twoway_wcsstr(h, n); +} diff --git a/system/lib/libc/musl/src/string/wcstok.c b/system/lib/libc/musl/src/string/wcstok.c new file mode 100644 index 00000000..ecc80331 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcstok.c @@ -0,0 +1,12 @@ +#include <wchar.h> + +wchar_t *wcstok(wchar_t *restrict s, const wchar_t *restrict sep, wchar_t **restrict p) +{ + if (!s && !(s = *p)) return NULL; + s += wcsspn(s, sep); + if (!*s) return *p = 0; + *p = s + wcscspn(s, sep); + if (**p) *(*p)++ = 0; + else *p = 0; + return s; +} diff --git a/system/lib/libc/musl/src/string/wcswcs.c b/system/lib/libc/musl/src/string/wcswcs.c new file mode 100644 index 00000000..9cfe4ac4 --- /dev/null +++ b/system/lib/libc/musl/src/string/wcswcs.c @@ -0,0 +1,6 @@ +#include <wchar.h> + +wchar_t *wcswcs(const wchar_t *haystack, const wchar_t *needle) +{ + return wcsstr(haystack, needle); +} diff --git a/system/lib/libc/musl/src/string/wmemchr.c b/system/lib/libc/musl/src/string/wmemchr.c new file mode 100644 index 00000000..37d69629 --- /dev/null +++ b/system/lib/libc/musl/src/string/wmemchr.c @@ -0,0 +1,8 @@ +#include <string.h> +#include <wchar.h> + +wchar_t *wmemchr(const wchar_t *s, wchar_t c, size_t n) +{ + for (; n && *s != c; n--, s++); + return n ? (wchar_t *)s : 0; +} diff --git a/system/lib/libc/musl/src/string/wmemcmp.c b/system/lib/libc/musl/src/string/wmemcmp.c new file mode 100644 index 00000000..6788a383 --- /dev/null +++ b/system/lib/libc/musl/src/string/wmemcmp.c @@ -0,0 +1,8 @@ +#include <string.h> +#include <wchar.h> + +int wmemcmp(const wchar_t *l, const wchar_t *r, size_t n) +{ + for (; n && *l==*r; n--, l++, r++); + return n ? *l-*r : 0; +} diff --git a/system/lib/libc/musl/src/string/wmemcpy.c b/system/lib/libc/musl/src/string/wmemcpy.c new file mode 100644 index 00000000..55a8e1d8 --- /dev/null +++ b/system/lib/libc/musl/src/string/wmemcpy.c @@ -0,0 +1,9 @@ +#include <string.h> +#include <wchar.h> + +wchar_t *wmemcpy(wchar_t *restrict d, const wchar_t *restrict s, size_t n) +{ + wchar_t *a = d; + while (n--) *d++ = *s++; + return a; +} diff --git a/system/lib/libc/musl/src/string/wmemmove.c b/system/lib/libc/musl/src/string/wmemmove.c new file mode 100644 index 00000000..cde4feec --- /dev/null +++ b/system/lib/libc/musl/src/string/wmemmove.c @@ -0,0 +1,12 @@ +#include <string.h> +#include <wchar.h> + +wchar_t *wmemmove(wchar_t *d, const wchar_t *s, size_t n) +{ + wchar_t *d0 = d; + if ((size_t)(d-s) < n) + while (n--) d[n] = s[n]; + else + while (n--) *d++ = *s++; + return d0; +} diff --git a/system/lib/libc/musl/src/string/wmemset.c b/system/lib/libc/musl/src/string/wmemset.c new file mode 100644 index 00000000..1a2a8618 --- /dev/null +++ b/system/lib/libc/musl/src/string/wmemset.c @@ -0,0 +1,9 @@ +#include <string.h> +#include <wchar.h> + +wchar_t *wmemset(wchar_t *d, wchar_t c, size_t n) +{ + wchar_t *ret = d; + while (n--) *d++ = c; + return ret; +} |