* @brief String utilities.
**/
-/**
- format a string into length-prefixed dotted domain format, as used in NBT
- and in some ADS structures
-**/
-_PUBLIC_ const char *str_format_nbt_domain(TALLOC_CTX *mem_ctx, const char *s)
-{
- char *ret;
- int i;
- if (!s || !*s) {
- return talloc_strdup(mem_ctx, "");
- }
- ret = talloc_array(mem_ctx, char, strlen(s)+2);
- if (!ret) {
- return ret;
- }
-
- memcpy(ret+1, s, strlen(s)+1);
- ret[0] = '.';
-
- for (i=0;ret[i];i++) {
- if (ret[i] == '.') {
- char *p = strchr(ret+i+1, '.');
- if (p) {
- ret[i] = p-(ret+i+1);
- } else {
- ret[i] = strlen(ret+i+1);
- }
- }
- }
-
- talloc_set_name_const(ret, ret);
-
- return ret;
-}
-
/**
* Parse a string containing a boolean value.
*
return strcasecmp_m(s1,s2) == 0;
}
+/**
+ * @file
+ * @brief String utilities.
+ **/
+
+static bool next_token_internal_talloc(TALLOC_CTX *ctx,
+ const char **ptr,
+ char **pp_buff,
+ const char *sep,
+ bool ltrim)
+{
+ const char *s;
+ const char *saved_s;
+ char *pbuf;
+ bool quoted;
+ size_t len=1;
+
+ *pp_buff = NULL;
+ if (!ptr) {
+ return(false);
+ }
+
+ s = *ptr;
+
+ /* default to simple separators */
+ if (!sep) {
+ sep = " \t\n\r";
+ }
+
+ /* find the first non sep char, if left-trimming is requested */
+ if (ltrim) {
+ while (*s && strchr_m(sep,*s)) {
+ s++;
+ }
+ }
+
+ /* nothing left? */
+ if (!*s) {
+ return false;
+ }
+
+ /* When restarting we need to go from here. */
+ saved_s = s;
+
+ /* Work out the length needed. */
+ for (quoted = false; *s &&
+ (quoted || !strchr_m(sep,*s)); s++) {
+ if (*s == '\"') {
+ quoted = !quoted;
+ } else {
+ len++;
+ }
+ }
+
+ /* We started with len = 1 so we have space for the nul. */
+ *pp_buff = talloc_array(ctx, char, len);
+ if (!*pp_buff) {
+ return false;
+ }
+
+ /* copy over the token */
+ pbuf = *pp_buff;
+ s = saved_s;
+ for (quoted = false; *s &&
+ (quoted || !strchr_m(sep,*s)); s++) {
+ if ( *s == '\"' ) {
+ quoted = !quoted;
+ } else {
+ *pbuf++ = *s;
+ }
+ }
+
+ *ptr = (*s) ? s+1 : s;
+ *pbuf = 0;
+
+ return true;
+}
+
+bool next_token_talloc(TALLOC_CTX *ctx,
+ const char **ptr,
+ char **pp_buff,
+ const char *sep)
+{
+ return next_token_internal_talloc(ctx, ptr, pp_buff, sep, true);
+}
+
+/*
+ * Get the next token from a string, return false if none found. Handles
+ * double-quotes. This version does not trim leading separator characters
+ * before looking for a token.
+ */
+
+bool next_token_no_ltrim_talloc(TALLOC_CTX *ctx,
+ const char **ptr,
+ char **pp_buff,
+ const char *sep)
+{
+ return next_token_internal_talloc(ctx, ptr, pp_buff, sep, false);
+}
+
+/**
+ * Get the next token from a string, return False if none found.
+ * Handles double-quotes.
+ *
+ * Based on a routine by GJC@VILLAGE.COM.
+ * Extensively modified by Andrew.Tridgell@anu.edu.au
+ **/
+_PUBLIC_ bool next_token(const char **ptr,char *buff, const char *sep, size_t bufsize)
+{
+ const char *s;
+ bool quoted;
+ size_t len=1;
+
+ if (!ptr)
+ return false;
+
+ s = *ptr;
+
+ /* default to simple separators */
+ if (!sep)
+ sep = " \t\n\r";
+
+ /* find the first non sep char */
+ while (*s && strchr_m(sep,*s))
+ s++;
+
+ /* nothing left? */
+ if (!*s)
+ return false;
+
+ /* copy over the token */
+ for (quoted = false; len < bufsize && *s && (quoted || !strchr_m(sep,*s)); s++) {
+ if (*s == '\"') {
+ quoted = !quoted;
+ } else {
+ len++;
+ *buff++ = *s;
+ }
+ }
+
+ *ptr = (*s) ? s+1 : s;
+ *buff = 0;
+
+ return true;
+}
+
+/**
+ Set a boolean variable from the text value stored in the passed string.
+ Returns true in success, false if the passed string does not correctly
+ represent a boolean.
+**/
+
+_PUBLIC_ bool set_boolean(const char *boolean_string, bool *boolean)
+{
+ if (strwicmp(boolean_string, "yes") == 0 ||
+ strwicmp(boolean_string, "true") == 0 ||
+ strwicmp(boolean_string, "on") == 0 ||
+ strwicmp(boolean_string, "1") == 0) {
+ *boolean = true;
+ return true;
+ } else if (strwicmp(boolean_string, "no") == 0 ||
+ strwicmp(boolean_string, "false") == 0 ||
+ strwicmp(boolean_string, "off") == 0 ||
+ strwicmp(boolean_string, "0") == 0) {
+ *boolean = false;
+ return true;
+ }
+ return false;
+}
+
+/**
+return the number of bytes occupied by a buffer in CH_UTF16 format
+the result includes the null termination
+**/
+_PUBLIC_ size_t utf16_len(const void *buf)
+{
+ size_t len;
+
+ for (len = 0; SVAL(buf,len); len += 2) ;
+
+ return len + 2;
+}
+
+/**
+return the number of bytes occupied by a buffer in CH_UTF16 format
+the result includes the null termination
+limited by 'n' bytes
+**/
+_PUBLIC_ size_t utf16_len_n(const void *src, size_t n)
+{
+ size_t len;
+
+ for (len = 0; (len+2 < n) && SVAL(src, len); len += 2) ;
+
+ if (len+2 <= n) {
+ len += 2;
+ }
+
+ return len;
+}
git.samba.org / sfrench / samba-autobuild / .git / blobdiff