diff options
Diffstat (limited to 'source3/lib/util_array.c')
| -rw-r--r-- | source3/lib/util_array.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/source3/lib/util_array.c b/source3/lib/util_array.c new file mode 100644 index 0000000000..567c170834 --- /dev/null +++ b/source3/lib/util_array.c @@ -0,0 +1,194 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Samba utility functions + Copyright (C) Andrew Tridgell 1992-1999 + Copyright (C) Luke Kenneth Casson Leighton 1996-1999 + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +void free_void_array(uint32 num_entries, void **entries, + void(free_item)(void*)) +{ + uint32 i; + if (entries != NULL) + { + for (i = 0; i < num_entries; i++) + { + if (entries[i] != NULL) + { + free_item(entries[i]); + } + } + free(entries); + } +} + +void* add_copy_to_array(uint32 *len, void ***array, const void *item, + void*(item_dup)(const void*), BOOL alloc_anyway) +{ + void* copy = NULL; + if (len == NULL || array == NULL) + { + return NULL; + } + + if (item != NULL || alloc_anyway) + { + copy = item_dup(item); + return add_item_to_array(len, array, copy); + } + return copy; +} + +void* add_item_to_array(uint32 *len, void ***array, void *item) +{ + if (len == NULL || array == NULL) + { + return NULL; + } + + (*array) = (void**)Realloc((*array), ((*len)+1)*sizeof((*array)[0])); + + if ((*array) != NULL) + { + (*array)[(*len)] = item; + (*len)++; + return item; + } + return NULL; +} + +static void use_info_free(struct use_info *item) +{ + if (item != NULL) + { + if (item->srv_name != NULL) + { + free(item->srv_name); + } + if (item->user_name != NULL) + { + free(item->user_name); + } + if (item->domain != NULL) + { + free(item->domain); + } + free(item); + } +} + +static struct use_info *use_info_dup(const struct use_info *from) +{ + if (from != NULL) + { + struct use_info *copy = (struct use_info *) + malloc(sizeof(struct use_info)); + if (copy != NULL) + { + ZERO_STRUCTP(copy); + copy->connected = from->connected; + if (from->srv_name != NULL) + { + copy->srv_name = strdup(from->srv_name ); + } + if (from->user_name != NULL) + { + copy->user_name = strdup(from->user_name); + } + if (from->domain != NULL) + { + copy->domain = strdup(from->domain ); + } + } + return copy; + } + return NULL; +} + +void free_use_info_array(uint32 num_entries, struct use_info **entries) +{ + void(*fn)(void*) = (void(*)(void*))&use_info_free; + free_void_array(num_entries, (void**)entries, *fn); +} + +struct use_info* add_use_info_to_array(uint32 *len, struct use_info ***array, + const struct use_info *name) +{ + void*(*fn)(const void*) = (void*(*)(const void*))&use_info_dup; + return (struct use_info*)add_copy_to_array(len, + (void***)array, (const void*)name, *fn, False); + +} + +void free_char_array(uint32 num_entries, char **entries) +{ + void(*fn)(void*) = (void(*)(void*))&free; + free_void_array(num_entries, (void**)entries, *fn); +} + +char* add_chars_to_array(uint32 *len, char ***array, const char *name) +{ + void*(*fn)(const void*) = (void*(*)(const void*))&strdup; + return (char*)add_copy_to_array(len, + (void***)array, (const void*)name, *fn, False); + +} + +static uint32 *uint32_dup(const uint32* from) +{ + if (from != NULL) + { + uint32 *copy = (uint32 *)malloc(sizeof(uint32)); + if (copy != NULL) + { + memcpy(copy, from, sizeof(*copy)); + } + return copy; + } + return NULL; +} + +void free_uint32_array(uint32 num_entries, uint32 **entries) +{ + void(*fn)(void*) = (void(*)(void*))&free; + free_void_array(num_entries, (void**)entries, *fn); +} + +uint32* add_uint32s_to_array(uint32 *len, uint32 ***array, const uint32 *name) +{ + void*(*fn)(const void*) = (void*(*)(const void*))&uint32_dup; + return (uint32*)add_copy_to_array(len, + (void***)array, (const void*)name, *fn, False); + +} + +void free_sid_array(uint32 num_entries, DOM_SID **entries) +{ + void(*fn)(void*) = (void(*)(void*))&free; + free_void_array(num_entries, (void**)entries, *fn); +} + +DOM_SID* add_sid_to_array(uint32 *len, DOM_SID ***array, const DOM_SID *sid) +{ + void*(*fn)(const void*) = (void*(*)(const void*))&sid_dup; + return (DOM_SID*)add_copy_to_array(len, + (void***)array, (const void*)sid, *fn, False); +} + |