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Diffstat (limited to 'source3/lib/util_unistr.c')
| -rw-r--r-- | source3/lib/util_unistr.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/source3/lib/util_unistr.c b/source3/lib/util_unistr.c new file mode 100644 index 0000000000..2365090f24 --- /dev/null +++ b/source3/lib/util_unistr.c @@ -0,0 +1,186 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Samba utility functions + Copyright (C) Andrew Tridgell 1992-1998 + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +/******************************************************************* +write a string in unicoode format +********************************************************************/ +int PutUniCode(char *dst,char *src) +{ + int ret = 0; + while (*src) { + dst[ret++] = src[0]; + dst[ret++] = 0; + src++; + } + dst[ret++]=0; + dst[ret++]=0; + return(ret); +} + +/******************************************************************* +skip past some unicode strings in a buffer +********************************************************************/ +char *skip_unicode_string(char *buf,int n) +{ + while (n--) + { + while (*buf) + buf += 2; + buf += 2; + } + return(buf); +} + +/******************************************************************* +Return a ascii version of a unicode string +Hack alert: uses fixed buffer(s) and only handles ascii strings +********************************************************************/ +#define MAXUNI 1024 +char *unistrn2(uint16 *buf, int len) +{ + static char lbufs[8][MAXUNI]; + static int nexti; + char *lbuf = lbufs[nexti]; + char *p; + + nexti = (nexti+1)%8; + + for (p = lbuf; *buf && p-lbuf < MAXUNI-2 && len > 0; len--, p++, buf++) + { + *p = *buf; + } + + *p = 0; + return lbuf; +} + +static char lbufs[8][MAXUNI]; +static int nexti; +/******************************************************************* +Return a ascii version of a unicode string +Hack alert: uses fixed buffer(s) and only handles ascii strings +********************************************************************/ +#define MAXUNI 1024 +char *unistr2(uint16 *buf) +{ + char *lbuf = lbufs[nexti]; + char *p; + + nexti = (nexti+1)%8; + + for (p = lbuf; *buf && p-lbuf < MAXUNI-2; p++, buf++) + { + *p = *buf; + } + + *p = 0; + return lbuf; +} + +/******************************************************************* +Return a ascii version of a unicode string +********************************************************************/ +char *unistr2_to_str(UNISTR2 *str) +{ + char *lbuf = lbufs[nexti]; + char *p; + uint16 *buf = str->buffer; + int max_size = MIN(sizeof(str->buffer)-2, str->uni_str_len); + + nexti = (nexti+1)%8; + + for (p = lbuf; *buf && p-lbuf < max_size; p++, buf++) + { + *p = *buf; + } + + *p = 0; + return lbuf; +} + +/******************************************************************* +create a null-terminated unicode string from a null-terminated ascii string. +return number of unicode chars copied, excluding the null character. + +only handles ascii strings +********************************************************************/ +#define MAXUNI 1024 +int struni2(uint16 *p, char *buf) +{ + int len = 0; + + if (p == NULL) return 0; + + if (buf != NULL) + { + for (; *buf && len < MAXUNI-2; len++, p++, buf++) + { + *p = *buf; + } + } + + *p = 0; + + return len; +} + +/******************************************************************* +Return a ascii version of a unicode string +Hack alert: uses fixed buffer(s) and only handles ascii strings +********************************************************************/ +#define MAXUNI 1024 +char *unistr(char *buf) +{ + char *lbuf = lbufs[nexti]; + char *p; + + nexti = (nexti+1)%8; + + for (p = lbuf; *buf && p-lbuf < MAXUNI-2; p++, buf += 2) + { + *p = *buf; + } + *p = 0; + return lbuf; +} + + +/******************************************************************* +strcpy for unicode strings. returns length (in num of wide chars) +********************************************************************/ +int unistrcpy(char *dst, char *src) +{ + int num_wchars = 0; + + while (*src) + { + *dst++ = *src++; + *dst++ = *src++; + num_wchars++; + } + *dst++ = 0; + *dst++ = 0; + + return num_wchars; +} + |