diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/util/charset/charset.h | 1 | ||||
| -rw-r--r-- | lib/util/charset/util_str.c | 83 |
2 files changed, 84 insertions, 0 deletions
diff --git a/lib/util/charset/charset.h b/lib/util/charset/charset.h index 1078035592..d027daa052 100644 --- a/lib/util/charset/charset.h +++ b/lib/util/charset/charset.h @@ -155,6 +155,7 @@ bool strhasupper_handle(struct smb_iconv_handle *ic, const char *string); char *strrchr_m(const char *s, char c); char *strchr_m(const char *s, char c); +char *strstr_m(const char *src, const char *findstr); bool push_ascii_talloc(TALLOC_CTX *ctx, char **dest, const char *src, size_t *converted_size); bool push_ucs2_talloc(TALLOC_CTX *ctx, smb_ucs2_t **dest, const char *src, size_t *converted_size); diff --git a/lib/util/charset/util_str.c b/lib/util/charset/util_str.c index e8f0b788b1..71a37787ae 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 @@ -473,3 +475,84 @@ _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; + + /* for correctness */ + if (!findstr[0]) { + return (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 (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 + + if (!push_ucs2_talloc(talloc_tos(), &src_w, src, &converted_size)) { + DEBUG(0,("strstr_m: src malloc fail\n")); + return NULL; + } + + if (!push_ucs2_talloc(talloc_tos(), &find_w, findstr, &converted_size)) { + TALLOC_FREE(src_w); + DEBUG(0,("strstr_m: find malloc fail\n")); + return NULL; + } + + p = strstr_w(src_w, find_w); + + if (!p) { + TALLOC_FREE(src_w); + TALLOC_FREE(find_w); + return NULL; + } + + *p = 0; + if (!pull_ucs2_talloc(talloc_tos(), &s2, src_w, &converted_size)) { + TALLOC_FREE(src_w); + TALLOC_FREE(find_w); + DEBUG(0,("strstr_m: dest malloc fail\n")); + return NULL; + } + retp = (char *)(s+strlen(s2)); + TALLOC_FREE(src_w); + TALLOC_FREE(find_w); + TALLOC_FREE(s2); + return retp; +} |