diff options
Diffstat (limited to 'sys/fs/cd9660/cd9660_util.c')
| -rw-r--r-- | sys/fs/cd9660/cd9660_util.c | 155 |
1 files changed, 106 insertions, 49 deletions
diff --git a/sys/fs/cd9660/cd9660_util.c b/sys/fs/cd9660/cd9660_util.c index 8a132c0..dccb14c 100644 --- a/sys/fs/cd9660/cd9660_util.c +++ b/sys/fs/cd9660/cd9660_util.c @@ -46,16 +46,12 @@ __FBSDID("$FreeBSD$"); #include <sys/systm.h> #include <sys/mount.h> #include <sys/vnode.h> +#include <sys/iconv.h> #include <isofs/cd9660/iso.h> +#include <isofs/cd9660/cd9660_mount.h> -/* - * XXX: limited support for loading of Unicode - * conversion routine as a kld at a run-time. - * Should be removed when native Unicode kernel - * interfaces have been introduced. - */ -u_char (*cd9660_wchar2char)(u_int32_t wchar) = NULL; +extern struct iconv_functions *cd9660_iconv; /* * Get one character out of an iso filename @@ -63,29 +59,47 @@ u_char (*cd9660_wchar2char)(u_int32_t wchar) = NULL; * Return number of bytes consumed */ int -isochar(isofn, isoend, joliet_level, c) +isochar(isofn, isoend, joliet_level, c, clen, flags, handle) u_char *isofn; u_char *isoend; int joliet_level; - u_char *c; + u_short *c; + int *clen; + int flags; + void *handle; { + size_t i, j, len; + char inbuf[3], outbuf[3], *inp, *outp; + *c = *isofn++; + if (clen) *clen = 1; if (joliet_level == 0 || isofn == isoend) /* (00) and (01) are one byte in Joliet, too */ return 1; - /* No Unicode support yet :-( */ - switch (*c) { - default: - *c = '?'; - break; - case '\0': - *c = *isofn; - break; + if (flags & ISOFSMNT_KICONV && cd9660_iconv) { + i = j = len = 2; + inbuf[0]=(char)*(isofn - 1); + inbuf[1]=(char)*isofn; + inbuf[2]='\0'; + inp = inbuf; + outp = outbuf; + cd9660_iconv->convchr(handle, (const char **)&inp, &i, &outp, &j); + len -= j; + if (clen) *clen = len; + *c = '\0'; + while(len--) + *c |= (*(outp - len - 1) & 0xff) << (len << 3); + } else { + switch (*c) { + default: + *c = '?'; + break; + case '\0': + *c = *isofn; + break; + } } - /* XXX: if Unicode conversion routine is loaded then use it */ - if (cd9660_wchar2char != NULL) - *c = cd9660_wchar2char((*(isofn - 1) << 8) | *isofn); return 2; } @@ -96,53 +110,60 @@ isochar(isofn, isoend, joliet_level, c) * Note: Version number plus ';' may be omitted. */ int -isofncmp(fn, fnlen, isofn, isolen, joliet_level) +isofncmp(fn, fnlen, isofn, isolen, joliet_level, flags, handle, lhandle) u_char *fn; int fnlen; u_char *isofn; int isolen; int joliet_level; + int flags; + void *handle; + void *lhandle; { int i, j; - u_char c, *fnend = fn + fnlen, *isoend = isofn + isolen; + u_short c, d; + u_char *fnend = fn + fnlen, *isoend = isofn + isolen; - for (; fn != fnend; fn++) { + for (; fn < fnend; ) { + d = sgetrune(fn, fnend - fn, (char const **)&fn, flags, lhandle); if (isofn == isoend) - return *fn; - isofn += isochar(isofn, isoend, joliet_level, &c); + return d; + isofn += isochar(isofn, isoend, joliet_level, &c, NULL, flags, handle); if (c == ';') { - if (*fn++ != ';') - return fn[-1]; - for (i = 0; fn != fnend; i = i * 10 + *fn++ - '0') { + if (d != ';') + return d; + for (i = 0; fn < fnend; i = i * 10 + *fn++ - '0') { if (*fn < '0' || *fn > '9') { return -1; } } for (j = 0; isofn != isoend; j = j * 10 + c - '0') isofn += isochar(isofn, isoend, - joliet_level, &c); + joliet_level, &c, + NULL, flags, handle); return i - j; } - if (c != *fn) { + if (c != d) { if (c >= 'A' && c <= 'Z') { - if (c + ('a' - 'A') != *fn) { - if (*fn >= 'a' && *fn <= 'z') - return *fn - ('a' - 'A') - c; + if (c + ('a' - 'A') != d) { + if (d >= 'a' && d <= 'z') + return d - ('a' - 'A') - c; else - return *fn - c; + return d - c; } } else - return *fn - c; + return d - c; } } if (isofn != isoend) { - isofn += isochar(isofn, isoend, joliet_level, &c); + isofn += isochar(isofn, isoend, joliet_level, &c, NULL, flags, handle); switch (c) { default: return -c; case '.': if (isofn != isoend) { - isochar(isofn, isoend, joliet_level, &c); + isochar(isofn, isoend, joliet_level, &c, + NULL, flags, handle); if (c == ';') return 0; } @@ -158,7 +179,7 @@ isofncmp(fn, fnlen, isofn, isolen, joliet_level) * translate a filename of length > 0 */ void -isofntrans(infn, infnlen, outfn, outfnlen, original, assoc, joliet_level) +isofntrans(infn, infnlen, outfn, outfnlen, original, assoc, joliet_level, flags, handle) u_char *infn; int infnlen; u_char *outfn; @@ -166,25 +187,61 @@ isofntrans(infn, infnlen, outfn, outfnlen, original, assoc, joliet_level) int original; int assoc; int joliet_level; + int flags; + void *handle; { - int fnidx = 0; - u_char c, d = '\0', *infnend = infn + infnlen; + u_short c, d = '\0'; + u_char *outp = outfn, *infnend = infn + infnlen; + int clen; if (assoc) { - *outfn++ = ASSOCCHAR; - fnidx++; + *outp++ = ASSOCCHAR; } - for (; infn != infnend; fnidx++) { - infn += isochar(infn, infnend, joliet_level, &c); + for (; infn != infnend; ) { + infn += isochar(infn, infnend, joliet_level, &c, &clen, flags, handle); if (!original && !joliet_level && c >= 'A' && c <= 'Z') - *outfn++ = c + ('a' - 'A'); + c += ('a' - 'A'); else if (!original && c == ';') { - fnidx -= (d == '.'); + outp -= (d == '.'); break; - } else - *outfn++ = c; + } d = c; + while(clen--) + *outp++ = c >> (clen << 3); } - *outfnlen = fnidx; + *outfnlen = outp - outfn; +} + +/* + * same as sgetrune(3) + */ +u_short +sgetrune(string, n, result, flags, handle) + const char *string; + size_t n; + char const **result; + int flags; + void *handle; +{ + size_t i, j, len; + char outbuf[3], *outp; + u_short c = '\0'; + + len = i = (n < 2) ? n : 2; + j = 2; + outp = outbuf; + + if (flags & ISOFSMNT_KICONV && cd9660_iconv) { + cd9660_iconv->convchr(handle, (const char **)&string, + &i, &outp, &j); + len -= i; + } else { + len = 1; + string++; + } + + if (result) *result = string; + while(len--) c |= (*(string - len - 1) & 0xff) << (len << 3); + return (c); } |
