diff options
Diffstat (limited to 'lib/util/charset/util_str.c')
| -rw-r--r-- | lib/util/charset/util_str.c | 88 |
1 files changed, 85 insertions, 3 deletions
diff --git a/lib/util/charset/util_str.c b/lib/util/charset/util_str.c index e8f0b788b1c..688ab5a0a1c 100644 --- a/lib/util/charset/util_str.c +++ b/lib/util/charset/util_str.c @@ -5,6 +5,8 @@ Copyright (C) Simo Sorce 2001 Copyright (C) Andrew Bartlett 2011 Copyright (C) Jeremy Allison 1992-2007 + Copyright (C) Martin Pool 2003 + Copyright (C) James Peach 2006 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 @@ -167,7 +169,6 @@ _PUBLIC_ size_t strlen_m_ext_handle(struct smb_iconv_handle *ic, switch (dst_charset) { case CH_DOS: case CH_UNIX: - case CH_DISPLAY: smb_panic("cannot call strlen_m_ext() with a variable dest charset (must be UTF16* or UTF8)"); default: break; @@ -327,7 +328,7 @@ _PUBLIC_ char *strchr_m(const char *src, char c) for (s = src; *s && !(((unsigned char)s[0]) & 0x80); s++) { if (*s == c) - return (char *)s; + return discard_const_p(char, s); } if (!*s) @@ -395,7 +396,7 @@ _PUBLIC_ char *strrchr_m(const char *s, char c) break; } /* No - we have a match ! */ - return (char *)cp; + return discard_const_p(char , cp); } } while (cp-- != s); if (!got_mb) @@ -473,3 +474,84 @@ _PUBLIC_ bool strhasupper(const char *string) struct smb_iconv_handle *ic = get_iconv_handle(); return strhasupper_handle(ic, string); } + +/*********************************************************************** + strstr_m - We convert via ucs2 for now. +***********************************************************************/ + +char *strstr_m(const char *src, const char *findstr) +{ + smb_ucs2_t *p; + smb_ucs2_t *src_w, *find_w; + const char *s; + char *s2; + char *retp; + size_t converted_size, findstr_len = 0; + + TALLOC_CTX *frame; /* Only set up in the iconv case */ + + /* for correctness */ + if (!findstr[0]) { + return discard_const_p(char, src); + } + + /* Samba does single character findstr calls a *lot*. */ + if (findstr[1] == '\0') + return strchr_m(src, *findstr); + + /* We optimise for the ascii case, knowing that all our + supported multi-byte character sets are ascii-compatible + (ie. they match for the first 128 chars) */ + + for (s = src; *s && !(((unsigned char)s[0]) & 0x80); s++) { + if (*s == *findstr) { + if (!findstr_len) + findstr_len = strlen(findstr); + + if (strncmp(s, findstr, findstr_len) == 0) { + return discard_const_p(char, s); + } + } + } + + if (!*s) + return NULL; + +#if 1 /* def BROKEN_UNICODE_COMPOSE_CHARACTERS */ + /* 'make check' fails unless we do this */ + + /* With compose characters we must restart from the beginning. JRA. */ + s = src; +#endif + + frame = talloc_stackframe(); + + if (!push_ucs2_talloc(frame, &src_w, src, &converted_size)) { + DEBUG(0,("strstr_m: src malloc fail\n")); + TALLOC_FREE(frame); + return NULL; + } + + if (!push_ucs2_talloc(frame, &find_w, findstr, &converted_size)) { + DEBUG(0,("strstr_m: find malloc fail\n")); + TALLOC_FREE(frame); + return NULL; + } + + p = strstr_w(src_w, find_w); + + if (!p) { + TALLOC_FREE(frame); + return NULL; + } + + *p = 0; + if (!pull_ucs2_talloc(frame, &s2, src_w, &converted_size)) { + TALLOC_FREE(frame); + DEBUG(0,("strstr_m: dest malloc fail\n")); + return NULL; + } + retp = discard_const_p(char, (s+strlen(s2))); + TALLOC_FREE(frame); + return retp; +} |