diff options
Diffstat (limited to 'lib/util/charset/convert_string.c')
| -rw-r--r-- | lib/util/charset/convert_string.c | 54 |
1 files changed, 35 insertions, 19 deletions
diff --git a/lib/util/charset/convert_string.c b/lib/util/charset/convert_string.c index e51add2aaf9..51f9fec137a 100644 --- a/lib/util/charset/convert_string.c +++ b/lib/util/charset/convert_string.c @@ -2,7 +2,8 @@ Unix SMB/CIFS implementation. Character set conversion Extensions Copyright (C) Igor Vergeichik <iverg@mail.ru> 2001 - Copyright (C) Andrew Tridgell 2001 + Copyright (C) Andrew Tridgell 2001-2011 + Copyright (C) Andrew Bartlett 2011 Copyright (C) Simo Sorce 2001 Copyright (C) Martin Pool 2003 @@ -21,6 +22,7 @@ */ #include "includes.h" +#include "system/iconv.h" /** * @file @@ -177,28 +179,29 @@ bool convert_string_error_handle(struct smb_iconv_handle *ic, size_t slen = srclen; size_t dlen = destlen; unsigned char lastp = '\0'; + bool ret; - /* If all characters are ascii, fast path here. */ - while (((slen == (size_t)-1) || (slen >= 2)) && dlen) { - if (((lastp = *p) <= 0x7f) && (p[1] == 0)) { + if (slen == (size_t)-1) { + while (dlen && + ((lastp = *p) <= 0x7f) && (p[1] == 0)) { *q++ = *p; - if (slen != (size_t)-1) { - slen -= 2; - } p += 2; dlen--; retval++; if (!lastp) break; - } else { -#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS - goto general_case; -#else - bool ret = convert_string_internal(ic, from, to, p, slen, q, dlen, converted_size); - *converted_size += retval; - return ret; -#endif } + if (lastp != 0) goto slow_path; + } else { + while (slen >= 2 && dlen && + (*p <= 0x7f) && (p[1] == 0)) { + *q++ = *p; + slen -= 2; + p += 2; + dlen--; + retval++; + } + if (slen != 0) goto slow_path; } *converted_size = retval; @@ -212,6 +215,19 @@ bool convert_string_error_handle(struct smb_iconv_handle *ic, } } return true; + + slow_path: + /* come here when we hit a character we can't deal + * with in the fast path + */ +#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS + goto general_case; +#else + ret = convert_string_internal(ic, from, to, p, slen, q, dlen, converted_size); + *converted_size += retval; + return ret; +#endif + } else if (from != CH_UTF16LE && from != CH_UTF16BE && to == CH_UTF16LE) { const unsigned char *p = (const unsigned char *)src; unsigned char *q = (unsigned char *)dest; @@ -221,8 +237,8 @@ bool convert_string_error_handle(struct smb_iconv_handle *ic, unsigned char lastp = '\0'; /* If all characters are ascii, fast path here. */ - while (slen && (dlen >= 2)) { - if ((lastp = *p) <= 0x7F) { + while (slen && (dlen >= 1)) { + if (dlen >=2 && (lastp = *p) <= 0x7F) { *q++ = *p++; *q++ = '\0'; if (slen != (size_t)-1) { @@ -387,7 +403,7 @@ bool convert_string_talloc_handle(TALLOC_CTX *ctx, struct smb_iconv_handle *ic, } /* +2 is for ucs2 null termination. */ - ob = (char *)TALLOC_REALLOC(ctx, ob, destlen + 2); + ob = talloc_realloc(ctx, ob, char, destlen + 2); if (!ob) { DEBUG(0, ("convert_string_talloc: realloc failed!\n")); @@ -428,7 +444,7 @@ bool convert_string_talloc_handle(TALLOC_CTX *ctx, struct smb_iconv_handle *ic, */ if (o_len > 1024) { /* We're shrinking here so we know the +2 is safe from wrap. */ - ob = (char *)TALLOC_REALLOC(ctx,ob,destlen + 2); + ob = talloc_realloc(ctx,ob, char, destlen + 2); } if (destlen && !ob) { |