diff options
Diffstat (limited to 'source3/lib/util_str.c')
| -rw-r--r-- | source3/lib/util_str.c | 78 |
1 files changed, 74 insertions, 4 deletions
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c index 71c8d56e40..cad0df48a4 100644 --- a/source3/lib/util_str.c +++ b/source3/lib/util_str.c @@ -919,7 +919,7 @@ void string_sub(char *s,const char *pattern, const char *insert, size_t len) if (len == 0) len = ls + 1; /* len is number of *bytes* */ - while (lp <= ls && (p = strstr(s,pattern))) { + while (lp <= ls && (p = strstr_m(s,pattern))) { if (ls + (li-lp) >= len) { DEBUG(0,("ERROR: string overflow by %d in string_sub(%.50s, %d)\n", (int)(ls + (li-lp) - len), @@ -1004,7 +1004,7 @@ char *realloc_string_sub(char *string, const char *pattern, const char *insert) } } - while ((p = strstr(s,pattern))) { + while ((p = strstr_m(s,pattern))) { if (ld > 0) { int offset = PTR_DIFF(s,string); char *t = Realloc(string, ls + ld + 1); @@ -1052,7 +1052,7 @@ void all_string_sub(char *s,const char *pattern,const char *insert, size_t len) if (len == 0) len = ls + 1; /* len is number of *bytes* */ - while (lp <= ls && (p = strstr(s,pattern))) { + while (lp <= ls && (p = strstr_m(s,pattern))) { if (ls + (li-lp) >= len) { DEBUG(0,("ERROR: string overflow by %d in all_string_sub(%.50s, %d)\n", (int)(ls + (li-lp) - len), @@ -1294,6 +1294,76 @@ char *strnrchr_m(const char *s, char c, unsigned int n) return (char *)(s+strlen(s2)); } +/*********************************************************************** + 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; + + /* 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 (strcmp(s, findstr) == 0) { + return (char *)s; + } + } + } + + if (!*s) + return NULL; + +#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS + /* With compose characters we must restart from the beginning. JRA. */ + s = src; +#endif + + if (push_ucs2_allocate(&src_w, src) == (size_t)-1) { + DEBUG(0,("strstr_m: src malloc fail\n")); + return NULL; + } + + if (push_ucs2_allocate(&find_w, findstr) == (size_t)-1) { + SAFE_FREE(src_w); + DEBUG(0,("strstr_m: find malloc fail\n")); + return NULL; + } + + for (p = src_w; (p = strchr_w(p, *find_w)) != NULL; p++) { + if (strcmp_w(p, find_w) == 0) + break; + } + if (!p) { + SAFE_FREE(src_w); + SAFE_FREE(find_w); + return NULL; + } + *p = 0; + if (pull_ucs2_allocate(&s2, src_w) == (size_t)-1) { + SAFE_FREE(src_w); + SAFE_FREE(find_w); + DEBUG(0,("strstr_m: dest malloc fail\n")); + return NULL; + } + retp = (char *)(s+strlen(s2)); + SAFE_FREE(src_w); + SAFE_FREE(find_w); + SAFE_FREE(s2); + return retp; +} + /** Convert a string to lower case. **/ @@ -1624,7 +1694,7 @@ BOOL str_list_substitute(char **list, const char *pattern, const char *insert) s = *list; ls = (ssize_t)strlen(s); - while ((p = strstr(s, pattern))) { + while ((p = strstr_m(s, pattern))) { t = *list; d = p -t; if (ld) { |