1#ifndef _ATALK_UNICODE_H 2#define _ATALK_UNICODE_H 1 3 4#include <errno.h> 5#include <stdint.h> 6#include <sys/param.h> 7 8#define ucs2_t uint16_t 9 10#ifndef MIN 11#define MIN(a,b) ((a)<(b)?(a):(b)) 12#endif /* ! MIN */ 13 14#ifndef MAX 15#define MAX(a,b) ((a)>(b)?(a):(b)) 16#endif /* ! MIN */ 17 18#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0) 19 20#ifndef EILSEQ 21#define EILSEQ 84 /* Illegal byte sequence. */ 22#endif 23 24/* generic iconv conversion structure */ 25typedef struct { 26 size_t (*direct)(void *cd, char **inbuf, size_t *inbytesleft, 27 char **outbuf, size_t *outbytesleft); 28 size_t (*pull)(void *cd, char **inbuf, size_t *inbytesleft, 29 char **outbuf, size_t *outbytesleft); 30 size_t (*push)(void *cd, char **inbuf, size_t *inbytesleft, 31 char **outbuf, size_t *outbytesleft); 32 void *cd_direct, *cd_pull, *cd_push; 33 char *from_name, *to_name; 34} *atalk_iconv_t; 35 36#define CHARSET_CLIENT 1 37#define CHARSET_VOLUME 2 38#define CHARSET_PRECOMPOSED 4 39#define CHARSET_DECOMPOSED 8 40#define CHARSET_MULTIBYTE 16 41#define CHARSET_WIDECHAR 32 42#define CHARSET_ICONV 64 43 44#define IGNORE_CHAR '_' 45 46/* conversion flags */ 47#define CONV_IGNORE (1<<0) /* return the first convertable characters. */ 48#define CONV_ESCAPEHEX (1<<1) /* escape unconvertable chars with :[UCS2HEX], */ 49 /* also escape '/'. Escape ':' if also CONV_ALLOW_COLON, */ 50 /* else ':' raises EILSEQ */ 51#define CONV_ESCAPEDOTS (1<<2) /* escape leading dots with :2600 */ 52#define CONV_UNESCAPEHEX (1<<3) 53#define CONV_TOUPPER (1<<4) /* convert to UPPERcase */ 54#define CONV_TOLOWER (1<<5) /* convert to lowercase */ 55#define CONV_PRECOMPOSE (1<<6) /* precompose */ 56#define CONV_DECOMPOSE (1<<7) /* precompose */ 57#define CONV_FORCE (1<<8) /* force convertion */ 58#define CONV__EILSEQ (1<<9) /* ignore EILSEQ, replace with IGNORE_CHAR (try USC2) */ 59 60/* conversion return flags */ 61#define CONV_REQMANGLE (1<<14) /* mangling of returned name is required */ 62#define CONV_REQESCAPE (1<<15) /* espace unconvertable chars with :[UCS2HEX] */ 63 64/* this defines the charset types used in samba */ 65typedef enum {CH_UCS2=0, CH_UTF8=1, CH_MAC=2, CH_UNIX=3, CH_UTF8_MAC=4} charset_t; 66 67#define NUM_CHARSETS 5 68 69/* 70 * for each charset we have a function that pulls from that charset to 71 * a ucs2 buffer, and a function that pushes to a ucs2 buffer 72 */ 73 74struct charset_functions { 75 const char *name; 76 const long kTextEncoding; 77 size_t (*pull)(void *, char **inbuf, size_t *inbytesleft, 78 char **outbuf, size_t *outbytesleft); 79 size_t (*push)(void *, char **inbuf, size_t *inbytesleft, 80 char **outbuf, size_t *outbytesleft); 81 uint32_t flags; 82 const char *iname; 83 struct charset_functions *prev, *next; 84}; 85 86/* from iconv.c */ 87extern atalk_iconv_t atalk_iconv_open (const char *, const char *); 88extern size_t atalk_iconv (atalk_iconv_t, const char **, size_t *, char **, size_t *); 89extern int atalk_iconv_close (atalk_iconv_t); 90extern struct charset_functions *find_charset_functions (const char *); 91extern int atalk_register_charset (struct charset_functions *); 92 93/* from utf16_case.c */ 94extern ucs2_t toupper_w (ucs2_t); 95extern uint32_t toupper_sp (uint32_t); 96extern ucs2_t tolower_w (ucs2_t); 97extern uint32_t tolower_sp (uint32_t); 98 99/* from util_unistr.c */ 100extern int strupper_w (ucs2_t *); 101extern int strlower_w (ucs2_t *); 102extern int islower_w (ucs2_t); 103extern int isupper_w (ucs2_t); 104extern size_t strlen_w (const ucs2_t *); 105extern size_t strnlen_w (const ucs2_t *, size_t); 106extern ucs2_t* strchr_w (const ucs2_t *, ucs2_t); 107extern ucs2_t *strcasechr_w (const ucs2_t *s, ucs2_t c); 108extern int strcmp_w (const ucs2_t *, const ucs2_t *); 109extern int strncmp_w (const ucs2_t *, const ucs2_t *, size_t); 110extern int strcasecmp_w (const ucs2_t *, const ucs2_t *); 111extern int strncasecmp_w (const ucs2_t *, const ucs2_t *, size_t); 112extern ucs2_t *strstr_w (const ucs2_t *s, const ucs2_t *ins); 113extern ucs2_t *strcasestr_w (const ucs2_t *, const ucs2_t *); 114extern ucs2_t *strndup_w (const ucs2_t *, size_t); 115extern ucs2_t *strdup_w (const ucs2_t *); 116extern ucs2_t *strncpy_w (ucs2_t *, const ucs2_t *, const size_t); 117extern ucs2_t *strncat_w (ucs2_t *, const ucs2_t *, const size_t); 118extern ucs2_t *strcat_w (ucs2_t *, const ucs2_t *); 119extern size_t precompose_w (ucs2_t *, size_t, ucs2_t *,size_t *); 120extern size_t decompose_w (ucs2_t *, size_t, ucs2_t *,size_t *); 121extern size_t utf8_charlen ( char* ); 122extern size_t utf8_strlen_validate ( char *); 123 124/* from charcnv.c */ 125extern int set_charset_name(charset_t, const char *); 126extern void free_charset_names(void); 127extern void init_iconv (void); 128extern size_t convert_string (charset_t, charset_t, void const *, size_t, void *, size_t); 129extern size_t convert_string_allocate (charset_t, charset_t, void const *, size_t, char **); 130extern size_t utf8_strupper (const char *, size_t, char *, size_t); 131extern size_t utf8_strlower (const char *, size_t, char *, size_t); 132extern size_t unix_strupper (const char *, size_t, char *, size_t); 133extern size_t unix_strlower (const char *, size_t, char *, size_t); 134extern size_t charset_strupper (charset_t, const char *, size_t, char *, size_t); 135extern size_t charset_strlower (charset_t, const char *, size_t, char *, size_t); 136 137extern size_t charset_to_ucs2_allocate (charset_t, ucs2_t **dest, const char *src); 138extern size_t charset_to_utf8_allocate (charset_t, char **dest, const char *src); 139extern size_t ucs2_to_charset_allocate (charset_t, char **dest, const ucs2_t *src); 140extern size_t utf8_to_charset_allocate (charset_t, char **dest, const char *src); 141extern size_t ucs2_to_charset (charset_t, const ucs2_t *src, char *dest, size_t); 142 143extern size_t convert_charset (charset_t, charset_t, charset_t, const char *, size_t, char *, size_t, uint16_t *); 144 145extern size_t charset_precompose ( charset_t, char *, size_t, char *, size_t); 146extern size_t charset_decompose ( charset_t, char *, size_t, char *, size_t); 147extern size_t utf8_precompose ( char *, size_t, char *, size_t); 148extern size_t utf8_decompose ( char *, size_t, char *, size_t); 149 150extern charset_t add_charset (const char* name); 151 152#endif /* _ATALK_UNICODE_H */ 153