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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | /* * Copyright (c) International Business Machines Corp., 2000-2002 * Portions Copyright (c) Christoph Hellwig, 2001-2002 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _H_JFS_UNICODE #define _H_JFS_UNICODE #include <asm/byteorder.h> #include "jfs_types.h" typedef struct { wchar_t start; wchar_t end; signed char *table; } UNICASERANGE; extern signed char UniUpperTable[512]; extern UNICASERANGE UniUpperRange[]; extern int get_UCSname(struct component_name *, struct dentry *, struct nls_table *); extern int jfs_strfromUCS_le(char *, const wchar_t *, int, struct nls_table *); #define free_UCSname(COMP) kfree((COMP)->name) /* * UniStrcpy: Copy a string */ static inline wchar_t *UniStrcpy(wchar_t * ucs1, const wchar_t * ucs2) { wchar_t *anchor = ucs1; /* save the start of result string */ while ((*ucs1++ = *ucs2++)); return anchor; } /* * UniStrncpy: Copy length limited string with pad */ static inline wchar_t *UniStrncpy(wchar_t * ucs1, const wchar_t * ucs2, size_t n) { wchar_t *anchor = ucs1; while (n-- && *ucs2) /* Copy the strings */ *ucs1++ = *ucs2++; n++; while (n--) /* Pad with nulls */ *ucs1++ = 0; return anchor; } /* * UniStrncmp_le: Compare length limited string - native to little-endian */ static inline int UniStrncmp_le(const wchar_t * ucs1, const wchar_t * ucs2, size_t n) { if (!n) return 0; /* Null strings are equal */ while ((*ucs1 == __le16_to_cpu(*ucs2)) && *ucs1 && --n) { ucs1++; ucs2++; } return (int) *ucs1 - (int) __le16_to_cpu(*ucs2); } /* * UniStrncpy_le: Copy length limited string with pad to little-endian */ static inline wchar_t *UniStrncpy_le(wchar_t * ucs1, const wchar_t * ucs2, size_t n) { wchar_t *anchor = ucs1; while (n-- && *ucs2) /* Copy the strings */ *ucs1++ = __le16_to_cpu(*ucs2++); n++; while (n--) /* Pad with nulls */ *ucs1++ = 0; return anchor; } /* * UniToupper: Convert a unicode character to upper case */ static inline wchar_t UniToupper(wchar_t uc) { UNICASERANGE *rp; if (uc < sizeof(UniUpperTable)) { /* Latin characters */ return uc + UniUpperTable[uc]; /* Use base tables */ } else { rp = UniUpperRange; /* Use range tables */ while (rp->start) { if (uc < rp->start) /* Before start of range */ return uc; /* Uppercase = input */ if (uc <= rp->end) /* In range */ return uc + rp->table[uc - rp->start]; rp++; /* Try next range */ } } return uc; /* Past last range */ } /* * UniStrupr: Upper case a unicode string */ static inline wchar_t *UniStrupr(wchar_t * upin) { wchar_t *up; up = upin; while (*up) { /* For all characters */ *up = UniToupper(*up); up++; } return upin; /* Return input pointer */ } #endif /* !_H_JFS_UNICODE */ |