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Diffstat (limited to 'lib/util/util_strlist_v3.c')
-rw-r--r-- | lib/util/util_strlist_v3.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/lib/util/util_strlist_v3.c b/lib/util/util_strlist_v3.c new file mode 100644 index 0000000..c248575 --- /dev/null +++ b/lib/util/util_strlist_v3.c @@ -0,0 +1,128 @@ +/* + 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" +#include "lib/util/tsort.h" + +#undef strcasecmp + +/** + * @file + * @brief String list manipulation v3 + */ + +/** + * Needed for making an "unconst" list "const" + */ +_PUBLIC_ const char **const_str_list(char **list) +{ + return discard_const_p(const char *, list); +} + +/** + * str_list_make, v3 version. The v4 version does not + * look at quoted strings with embedded blanks, so + * do NOT merge this function please! + */ +#define S_LIST_ABS 16 /* List Allocation Block Size */ + +char **str_list_make_v3(TALLOC_CTX *mem_ctx, const char *string, + const char *sep) +{ + char **list; + const char *str; + char *s, *tok; + int num, lsize; + + if (!string || !*string) + return NULL; + + list = talloc_array(mem_ctx, char *, S_LIST_ABS+1); + if (list == NULL) { + return NULL; + } + lsize = S_LIST_ABS; + + s = talloc_strdup(list, string); + if (s == NULL) { + DEBUG(0,("str_list_make: Unable to allocate memory")); + TALLOC_FREE(list); + return NULL; + } + + /* + * DON'T REPLACE THIS BY "LIST_SEP". The common version of + * LIST_SEP does not contain the ;, which used to be accepted + * by Samba 4.0 before param merges. It would be the far + * better solution to split the _v3 version again to source3/ + * where it belongs, see the _v3 in its name. + * + * Unfortunately it is referenced in /lib/param/loadparm.c, + * which depends on the version that the AD-DC mandates, + * namely without the ; as part of the list separator. I am + * missing the waf fu to properly work around the wrong + * include paths here for this defect. + */ + if (sep == NULL) { + sep = " \t,;\n\r"; + } + + num = 0; + str = s; + + while (next_token_talloc(list, &str, &tok, sep)) { + + if (num == lsize) { + char **tmp; + + lsize += S_LIST_ABS; + + tmp = talloc_realloc(mem_ctx, list, char *, + lsize + 1); + if (tmp == NULL) { + DEBUG(0,("str_list_make: " + "Unable to allocate memory")); + TALLOC_FREE(list); + return NULL; + } + + list = tmp; + + memset (&list[num], 0, + ((sizeof(char*)) * (S_LIST_ABS +1))); + } + + list[num] = tok; + num += 1; + } + + list[num] = NULL; + + TALLOC_FREE(s); + return list; +} + +const char **str_list_make_v3_const(TALLOC_CTX *mem_ctx, + const char *string, + const char *sep) +{ + return const_str_list(str_list_make_v3(mem_ctx, string, sep)); +} |