diff options
Diffstat (limited to 'main/chanvars.c')
-rw-r--r-- | main/chanvars.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/main/chanvars.c b/main/chanvars.c new file mode 100644 index 000000000..e21b3fc57 --- /dev/null +++ b/main/chanvars.c @@ -0,0 +1,86 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2005, Digium, Inc. + * + * Mark Spencer <markster@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief Channel Variables + * + * \author Mark Spencer <markster@digium.com> + */ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include <stdlib.h> +#include <string.h> + +#include "asterisk/chanvars.h" +#include "asterisk/logger.h" +#include "asterisk/strings.h" +#include "asterisk/utils.h" + +struct ast_var_t *ast_var_assign(const char *name, const char *value) +{ + struct ast_var_t *var; + int name_len = strlen(name) + 1; + int value_len = strlen(value) + 1; + + if (!(var = ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char)))) { + return NULL; + } + + ast_copy_string(var->name, name, name_len); + var->value = var->name + name_len; + ast_copy_string(var->value, value, value_len); + + return var; +} + +void ast_var_delete(struct ast_var_t *var) +{ + if (var) + free(var); +} + +const char *ast_var_name(const struct ast_var_t *var) +{ + const char *name; + + if (var == NULL || (name = var->name) == NULL) + return NULL; + /* Return the name without the initial underscores */ + if (name[0] == '_') { + name++; + if (name[0] == '_') + name++; + } + return name; +} + +const char *ast_var_full_name(const struct ast_var_t *var) +{ + return (var ? var->name : NULL); +} + +const char *ast_var_value(const struct ast_var_t *var) +{ + return (var ? var->value : NULL); +} + + |