--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+
+ Copyright (C) Andrew Tridgell 2005
+ Copyright (C) Jelmer Vernooij 2005
+
+ 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "system/locale.h"
+
+/**
+ * @file
+ * @brief String list manipulation
+ */
+
+/**
+ build a null terminated list of strings from a input string and a
+ separator list. The separator list must contain characters less than
+ or equal to 0x2f for this to work correctly on multi-byte strings
+*/
+_PUBLIC_ const char **str_list_make(TALLOC_CTX *mem_ctx, const char *string, const char *sep)
+{
+ int num_elements = 0;
+ const char **ret = NULL;
+
+ if (sep == NULL) {
+ sep = LIST_SEP;
+ }
+
+ ret = talloc_array(mem_ctx, const char *, 1);
+ if (ret == NULL) {
+ return NULL;
+ }
+
+ while (string && *string) {
+ size_t len = strcspn(string, sep);
+ const char **ret2;
+
+ if (len == 0) {
+ string += strspn(string, sep);
+ continue;
+ }
+
+ ret2 = talloc_realloc(mem_ctx, ret, const char *, num_elements+2);
+ if (ret2 == NULL) {
+ talloc_free(ret);
+ return NULL;
+ }
+ ret = ret2;
+
+ ret[num_elements] = talloc_strndup(ret, string, len);
+ if (ret[num_elements] == NULL) {
+ talloc_free(ret);
+ return NULL;
+ }
+
+ num_elements++;
+ string += len;
+ }
+
+ ret[num_elements] = NULL;
+
+ return ret;
+}
+
+/**
+ * build a null terminated list of strings from an argv-like input string
+ * Entries are seperated by spaces and can be enclosed by quotes.
+ * Does NOT support escaping
+ */
+_PUBLIC_ const char **str_list_make_shell(TALLOC_CTX *mem_ctx, const char *string, const char *sep)
+{
+ int num_elements = 0;
+ const char **ret = NULL;
+
+ ret = talloc_array(mem_ctx, const char *, 1);
+ if (ret == NULL) {
+ return NULL;
+ }
+
+ if (sep == NULL)
+ sep = " \t\n\r";
+
+ while (string && *string) {
+ size_t len = strcspn(string, sep);
+ char *element;
+ const char **ret2;
+
+ if (len == 0) {
+ string += strspn(string, sep);
+ continue;
+ }
+
+ if (*string == '\"') {
+ string++;
+ len = strcspn(string, "\"");
+ element = talloc_strndup(ret, string, len);
+ string += len + 1;
+ } else {
+ element = talloc_strndup(ret, string, len);
+ string += len;
+ }
+
+ if (element == NULL) {
+ talloc_free(ret);
+ return NULL;
+ }
+
+ ret2 = talloc_realloc(mem_ctx, ret, const char *, num_elements+2);
+ if (ret2 == NULL) {
+ talloc_free(ret);
+ return NULL;
+ }
+ ret = ret2;
+
+ ret[num_elements] = element;
+
+ num_elements++;
+ }
+
+ ret[num_elements] = NULL;
+
+ return ret;
+
+}
+
+/**
+ * join a list back to one string
+ */
+_PUBLIC_ char *str_list_join(TALLOC_CTX *mem_ctx, const char **list, char seperator)
+{
+ char *ret = NULL;
+ int i;
+
+ if (list[0] == NULL)
+ return talloc_strdup(mem_ctx, "");
+
+ ret = talloc_strdup(mem_ctx, list[0]);
+
+ for (i = 1; list[i]; i++) {
+ ret = talloc_asprintf_append_buffer(ret, "%c%s", seperator, list[i]);
+ }
+
+ return ret;
+}
+
+/** join a list back to one (shell-like) string; entries
+ * seperated by spaces, using quotes where necessary */
+_PUBLIC_ char *str_list_join_shell(TALLOC_CTX *mem_ctx, const char **list, char sep)
+{
+ char *ret = NULL;
+ int i;
+
+ if (list[0] == NULL)
+ return talloc_strdup(mem_ctx, "");
+
+ if (strchr(list[0], ' ') || strlen(list[0]) == 0)
+ ret = talloc_asprintf(mem_ctx, "\"%s\"", list[0]);
+ else
+ ret = talloc_strdup(mem_ctx, list[0]);
+
+ for (i = 1; list[i]; i++) {
+ if (strchr(list[i], ' ') || strlen(list[i]) == 0)
+ ret = talloc_asprintf_append_buffer(ret, "%c\"%s\"", sep, list[i]);
+ else
+ ret = talloc_asprintf_append_buffer(ret, "%c%s", sep, list[i]);
+ }
+
+ return ret;
+}
+
+/**
+ return the number of elements in a string list
+*/
+_PUBLIC_ size_t str_list_length(const char **list)
+{
+ size_t ret;
+ for (ret=0;list && list[ret];ret++) /* noop */ ;
+ return ret;
+}
+
+
+/**
+ copy a string list
+*/
+_PUBLIC_ const char **str_list_copy(TALLOC_CTX *mem_ctx, const char **list)
+{
+ int i;
+ const char **ret;
+
+ if (list == NULL)
+ return NULL;
+
+ ret = talloc_array(mem_ctx, const char *, str_list_length(list)+1);
+ if (ret == NULL)
+ return NULL;
+
+ for (i=0;list && list[i];i++) {
+ ret[i] = talloc_strdup(ret, list[i]);
+ if (ret[i] == NULL) {
+ talloc_free(ret);
+ return NULL;
+ }
+ }
+ ret[i] = NULL;
+ return ret;
+}
+
+/**
+ Return true if all the elements of the list match exactly.
+ */
+_PUBLIC_ bool str_list_equal(const char **list1, const char **list2)
+{
+ int i;
+
+ if (list1 == NULL || list2 == NULL) {
+ return (list1 == list2);
+ }
+
+ for (i=0;list1[i] && list2[i];i++) {
+ if (strcmp(list1[i], list2[i]) != 0) {
+ return false;
+ }
+ }
+ if (list1[i] || list2[i]) {
+ return false;
+ }
+ return true;
+}
+
+
+/**
+ add an entry to a string list
+*/
+_PUBLIC_ const char **str_list_add(const char **list, const char *s)
+{
+ size_t len = str_list_length(list);
+ const char **ret;
+
+ ret = talloc_realloc(NULL, list, const char *, len+2);
+ if (ret == NULL) return NULL;
+
+ ret[len] = talloc_strdup(ret, s);
+ if (ret[len] == NULL) return NULL;
+
+ ret[len+1] = NULL;
+
+ return ret;
+}
+
+/**
+ remove an entry from a string list
+*/
+_PUBLIC_ void str_list_remove(const char **list, const char *s)
+{
+ int i;
+
+ for (i=0;list[i];i++) {
+ if (strcmp(list[i], s) == 0) break;
+ }
+ if (!list[i]) return;
+
+ for (;list[i];i++) {
+ list[i] = list[i+1];
+ }
+}
+
+
+/**
+ return true if a string is in a list
+*/
+_PUBLIC_ bool str_list_check(const char **list, const char *s)
+{
+ int i;
+
+ for (i=0;list[i];i++) {
+ if (strcmp(list[i], s) == 0) return true;
+ }
+ return false;
+}
+
+/**
+ return true if a string is in a list, case insensitively
+*/
+_PUBLIC_ bool str_list_check_ci(const char **list, const char *s)
+{
+ int i;
+
+ for (i=0;list[i];i++) {
+ if (strcasecmp(list[i], s) == 0) return true;
+ }
+ return false;
+}
+
+
git.samba.org / ira / wip.git / blobdiff