#include #include /* Return the number of unicode characters in data */ unsigned long ucs2_strnlen(const ucs2_char_t *s, size_t maxlength) { unsigned long length = 0; while (*s++ != 0 && length < maxlength) length++; return length; } EXPORT_SYMBOL(ucs2_strnlen); unsigned long ucs2_strlen(const ucs2_char_t *s) { return ucs2_strnlen(s, ~0UL); } EXPORT_SYMBOL(ucs2_strlen); /* * Return the number of bytes is the length of this string * Note: this is NOT the same as the number of unicode characters */ unsigned long ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength) { return ucs2_strnlen(data, maxlength/sizeof(ucs2_char_t)) * sizeof(ucs2_char_t); } EXPORT_SYMBOL(ucs2_strsize); int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len) { while (1) { if (len == 0) return 0; if (*a < *b) return -1; if (*a > *b) return 1; if (*a == 0) /* implies *b == 0 */ return 0; a++; b++; len--; } } EXPORT_SYMBOL(ucs2_strncmp); unsigned long ucs2_utf8size(const ucs2_char_t *src) { unsigned long i; unsigned long j = 0; for (i = 0; src[i]; i++) { u16 c = src[i]; if (c >= 0x800) j += 3; else if (c >= 0x80) j += 2; else j += 1; } return j; } EXPORT_SYMBOL(ucs2_utf8size); /* * copy at most maxlength bytes of whole utf8 characters to dest from the * ucs2 string src. * * The return value is the number of characters copied, not including the * final NUL character. */ unsigned long ucs2_as_utf8(u8 *dest, const ucs2_char_t *src, unsigned long maxlength) { unsigned int i; unsigned long j = 0; unsigned long limit = ucs2_strnlen(src, maxlength); for (i = 0; maxlength && i < limit; i++) { u16 c = src[i]; if (c >= 0x800) { if (maxlength < 3) break; maxlength -= 3; dest[j++] = 0xe0 | (c & 0xf000) >> 12; dest[j++] = 0x80 | (c & 0x0fc0) >> 6; dest[j++] = 0x80 | (c & 0x003f); } else if (c >= 0x80) { if (maxlength < 2) break; maxlength -= 2; dest[j++] = 0xc0 | (c & 0x7c0) >> 6; dest[j++] = 0x80 | (c & 0x03f); } else { maxlength -= 1; dest[j++] = c & 0x7f; } } if (maxlength) dest[j] = '\0'; return j; } EXPORT_SYMBOL(ucs2_as_utf8); hor
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-22 12:47:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-22 12:47:48 -0800
commit095cbe66973771fecd8e8b1e8763181363ef703e (patch)
treec361a93d62ed171ac958deb0d4ff0faa980bb290 /net/strparser/Makefile
parent24b86839fab8e8059d2b16e0067dc86a1a0d3514 (diff)
parent020eb3daaba2857b32c4cf4c82f503d6a00a67de (diff)
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner: "Restore the retrigger callbacks in the IO APIC irq chips. That addresses a long standing regression which got introduced with the rewrite of the x86 irq subsystem two years ago and went unnoticed so far" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ioapic: Restore IO-APIC irq_chip retrigger callback
Diffstat (limited to 'net/strparser/Makefile')