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authorAndrew Bartlett <abartlet@samba.org>2011-04-29 13:19:41 +1000
committerAndrew Bartlett <abartlet@samba.org>2011-04-29 16:38:14 +1000
commit9a9124b08760a6235059f517b9a138337754cd02 (patch)
treed986cc4347bdd1cf85a6b6d096de77a257f71351 /lib
parent67905b41a97fb7c0a7f4c7070e837f1fcb8bfbb4 (diff)
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lib/util/charset Move strstr_m() to the top level
Diffstat (limited to 'lib')
-rw-r--r--lib/util/charset/charset.h1
-rw-r--r--lib/util/charset/util_str.c83
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;
+}