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Oops, shouldn't have taken that last shortcut (also add some checks)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@70291 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2007-06-20 13:00:45 +00:00
parent 344f8d40a8
commit d260399bc1
1 changed files with 37 additions and 27 deletions
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64
apps/app_stack.c
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@@ -72,7 +72,6 @@ static const char *pop_descrip =
static void gosub_free(void *data);
static int local_write(struct ast_channel *chan, const char *cmd, char *var, const char *value);
static struct ast_datastore_info stack_info = {
.type = "GOSUB",
@@ -89,6 +88,37 @@ struct gosub_stack_frame {
char extension[0];
};
static int frame_set_var(struct ast_channel *chan, struct gosub_stack_frame *frame, const char *var, const char *value)
{
struct ast_var_t *variables;
int found = 0;
/* Does this variable already exist? */
AST_LIST_TRAVERSE(&frame->varshead, variables, entries) {
if (!strcmp(var, ast_var_name(variables))) {
found = 1;
break;
}
}
if (!ast_strlen_zero(value)) {
if (!found) {
variables = ast_var_assign(var, "");
AST_LIST_INSERT_HEAD(&frame->varshead, variables, entries);
pbx_builtin_pushvar_helper(chan, var, value);
} else
pbx_builtin_setvar_helper(chan, var, value);
manager_event(EVENT_FLAG_CALL, "VarSet",
"Channel: %s\r\n"
"Variable: LOCAL(%s)\r\n"
"Value: %s\r\n"
"Uniqueid: %s\r\n",
chan->name, var, value, chan->uniqueid);
}
return 0;
}
static void gosub_release_frame(struct ast_channel *chan, struct gosub_stack_frame *frame)
{
unsigned char i;
@@ -258,6 +288,9 @@ static int gosub_exec(struct ast_channel *chan, void *data)
/* Create the return address, but don't save it until we know that the Gosub destination exists */
newframe = gosub_allocate_frame(chan->context, chan->exten, chan->priority + 1, args2.argc);
if (!newframe)
return -1;
if (ast_parseable_goto(chan, label)) {
ast_log(LOG_ERROR, "Gosub address is invalid: '%s'\n", (char *)data);
ast_free(newframe);
@@ -268,7 +301,7 @@ static int gosub_exec(struct ast_channel *chan, void *data)
/* Now that we know for certain that we're going to a new location, set our arguments */
for (i = 0; i < args2.argc; i++) {
snprintf(argname, sizeof(argname), "ARG%d", i + 1);
local_write(chan, "LOCAL", argname, args2.argval[i]);
frame_set_var(chan, newframe, argname, args2.argval[i]);
ast_debug(1, "Setting '%s' to '%s'\n", argname, args2.argval[i]);
}
@@ -354,8 +387,6 @@ static int local_write(struct ast_channel *chan, const char *cmd, char *var, con
struct ast_datastore *stack_store = ast_channel_datastore_find(chan, &stack_info, NULL);
AST_LIST_HEAD(, gosub_stack_frame) *oldlist;
struct gosub_stack_frame *frame;
struct ast_var_t *variables;
int found = 0;
if (!stack_store) {
ast_log(LOG_ERROR, "Tried to set LOCAL(%s), but we aren't within a Gosub routine\n", var);
@@ -366,29 +397,8 @@ static int local_write(struct ast_channel *chan, const char *cmd, char *var, con
AST_LIST_LOCK(oldlist);
frame = AST_LIST_FIRST(oldlist);
/* Does this variable already exist? */
AST_LIST_TRAVERSE(&frame->varshead, variables, entries) {
if (!strcmp(var, ast_var_name(variables))) {
found = 1;
break;
}
}
if (!ast_strlen_zero(value)) {
if (!found) {
variables = ast_var_assign(var, "");
AST_LIST_INSERT_HEAD(&frame->varshead, variables, entries);
pbx_builtin_pushvar_helper(chan, var, value);
} else
pbx_builtin_setvar_helper(chan, var, value);
manager_event(EVENT_FLAG_CALL, "VarSet",
"Channel: %s\r\n"
"Variable: LOCAL(%s)\r\n"
"Value: %s\r\n"
"Uniqueid: %s\r\n",
chan->name, var, value, chan->uniqueid);
}
if (frame)
frame_set_var(chan, frame, var, value);
AST_LIST_UNLOCK(oldlist);