chanvars.h File Reference

Channel Variables. More...

#include "asterisk/linkedlists.h"

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Data Structures
struct	ast_var_t
Functions
	AST_LIST_HEAD_NOLOCK (varshead, ast_var_t)
struct ast_var_t *	ast_var_assign (const char *name, const char *value)
void	ast_var_delete (struct ast_var_t *var)
const char *	ast_var_full_name (const struct ast_var_t *var)
const char *	ast_var_name (const struct ast_var_t *var)
const char *	ast_var_value (const struct ast_var_t *var)

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Detailed Description

Channel Variables.

Definition in file chanvars.h.

---

Function Documentation

AST_LIST_HEAD_NOLOCK	(	varshead	,
		ast_var_t
	)

struct ast_var_t* ast_var_assign	(	const char *	name,
		const char *	value
	)			[read]

Definition at line 37 of file chanvars.c.

References __ast_calloc(), ast_calloc, ast_copy_string(), ast_var_t::name, ast_var_t::value, and var.

Referenced by acf_iaxvar_write(), add_user_extension(), ast_cdr_copy_vars(), ast_cdr_setvar(), ast_channel_inherit_variables(), ast_iax2_new(), authenticate_reply(), build_extension(), build_profile(), clone_variables(), do_say(), dundi_lookup_local(), frame_set_var(), iax2_dup_variable_datastore(), loopback_subst(), pbx_builtin_pushvar_helper(), pbx_builtin_setvar_helper(), phoneprov_callback(), set_config(), set_timezone_variables(), shared_write(), and socket_process().

{  
   struct ast_var_t *var;
   int name_len = strlen(name) + 1;
   int value_len = strlen(value) + 1;

#ifdef MALLOC_DEBUG
   if (!(var = __ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char), file, lineno, function))) {
#else
   if (!(var = ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char)))) {
#endif
      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

)

Definition at line 59 of file chanvars.c.

References ast_free.

Referenced by acf_iaxvar_write(), ast_cdr_free_vars(), ast_cdr_setvar(), ast_channel_free(), delete_extension(), do_say(), dundi_lookup_local(), gosub_release_frame(), loopback_subst(), pbx_builtin_clear_globals(), pbx_builtin_setvar_helper(), profile_destructor(), reload(), shared_variable_free(), shared_write(), and unload_module().

{
   if (var)
      ast_free(var);
}

const char* ast_var_full_name

(

const struct ast_var_t *

var

)

Definition at line 80 of file chanvars.c.

References ast_var_t::name.

Referenced by ast_channel_inherit_variables().

{
   return (var ? var->name : NULL);
}

const char* ast_var_name

(

const struct ast_var_t *

var

)

Definition at line 65 of file chanvars.c.

References ast_var_t::name.

Referenced by ast_cdr_copy_vars(), ast_cdr_getvar_internal(), ast_cdr_serialize_variables(), ast_cdr_setvar(), ast_channel_inherit_variables(), cdr_merge_vars(), clearvar_prefix(), frame_set_var(), gosub_release_frame(), handle_show_globals(), hashkeys_read(), iax2_call(), iax2_dup_variable_datastore(), local_read(), mgcp_call(), ospauth_exec(), ospfinished_exec(), osplookup_exec(), ospnext_exec(), pbx_builtin_getvar_helper(), pbx_builtin_serialize_variables(), pbx_builtin_setvar_helper(), pbx_retrieve_variable(), shared_read(), shared_write(), sip_call(), and transmit_invite().

{
   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_value

(

const struct ast_var_t *

var

)

Definition at line 85 of file chanvars.c.

References ast_var_t::value.

Referenced by ast_cdr_copy_vars(), ast_cdr_getvar_internal(), ast_cdr_serialize_variables(), ast_channel_inherit_variables(), cdr_merge_vars(), handle_show_globals(), iax2_call(), iax2_dup_variable_datastore(), mgcp_call(), ospauth_exec(), ospfinished_exec(), osplookup_exec(), ospnext_exec(), pbx_builtin_getvar_helper(), pbx_builtin_serialize_variables(), pbx_retrieve_variable(), shared_read(), sip_call(), and transmit_invite().

{
   return (var ? var->value : NULL);
}