diff options
Diffstat (limited to 'lib/util/util_str.c')
-rw-r--r-- | lib/util/util_str.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/lib/util/util_str.c b/lib/util/util_str.c index 389b289bfb1..afa772a8a81 100644 --- a/lib/util/util_str.c +++ b/lib/util/util_str.c @@ -260,144 +260,6 @@ _PUBLIC_ char *hex_encode_talloc(TALLOC_CTX *mem_ctx, const unsigned char *buff_ } /** - Substitute a string for a pattern in another string. Make sure there is - enough room! - - This routine looks for pattern in s and replaces it with - insert. It may do multiple replacements. - - Any of " ; ' $ or ` in the insert string are replaced with _ - if len==0 then the string cannot be extended. This is different from the old - use of len==0 which was for no length checks to be done. -**/ - -_PUBLIC_ void string_sub(char *s, const char *pattern, const char *insert, size_t len) -{ - char *p; - ssize_t ls, lp, li, i; - - if (!insert || !pattern || !*pattern || !s) - return; - - ls = (ssize_t)strlen(s); - lp = (ssize_t)strlen(pattern); - li = (ssize_t)strlen(insert); - - if (len == 0) - len = ls + 1; /* len is number of *bytes* */ - - while (lp <= ls && (p = strstr(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), - pattern, (int)len)); - break; - } - if (li != lp) { - memmove(p+li,p+lp,strlen(p+lp)+1); - } - for (i=0;i<li;i++) { - switch (insert[i]) { - case '`': - case '"': - case '\'': - case ';': - case '$': - case '%': - case '\r': - case '\n': - p[i] = '_'; - break; - default: - p[i] = insert[i]; - } - } - s = p + li; - ls += (li-lp); - } -} - -/** - * Talloc'ed version of string_sub - */ -_PUBLIC_ char *string_sub_talloc(TALLOC_CTX *mem_ctx, const char *s, - const char *pattern, const char *insert) -{ - const char *p; - char *ret; - size_t len, alloc_len; - - if (insert == NULL || pattern == NULL || !*pattern || s == NULL) - return NULL; - - /* determine length needed */ - len = strlen(s); - - for (p = strstr(s, pattern); p != NULL; - p = strstr(p+strlen(pattern), pattern)) { - len += strlen(insert) - strlen(pattern); - } - - alloc_len = MAX(len, strlen(s))+1; - ret = talloc_array(mem_ctx, char, alloc_len); - if (ret == NULL) - return NULL; - strncpy(ret, s, alloc_len); - string_sub(ret, pattern, insert, alloc_len); - - ret = talloc_realloc(mem_ctx, ret, char, len+1); - if (ret == NULL) - return NULL; - - SMB_ASSERT(ret[len] == '\0'); - - return ret; -} - -/** - Similar to string_sub() but allows for any character to be substituted. - Use with caution! - if len==0 then the string cannot be extended. This is different from the old - use of len==0 which was for no length checks to be done. -**/ - -_PUBLIC_ void all_string_sub(char *s,const char *pattern,const char *insert, size_t len) -{ - char *p; - ssize_t ls,lp,li; - - if (!insert || !pattern || !s) - return; - - ls = (ssize_t)strlen(s); - lp = (ssize_t)strlen(pattern); - li = (ssize_t)strlen(insert); - - if (!*pattern) - return; - - if (len == 0) - len = ls + 1; /* len is number of *bytes* */ - - while (lp <= ls && (p = strstr(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), - pattern, (int)len)); - break; - } - if (li != lp) { - memmove(p+li,p+lp,strlen(p+lp)+1); - } - memcpy(p, insert, li); - s = p + li; - ls += (li-lp); - } -} - - - -/** Unescape a URL encoded string, in place. **/ |