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The amazing disappearing and reappearing patch... This time with documentation explaining it.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6821 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-10-18 19:16:13 +00:00
parent a16432e294
commit eace0101f2
2 changed files with 37 additions and 1 deletions
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10
pbx.c
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@@ -5885,14 +5885,22 @@ void pbx_builtin_setvar_helper(struct ast_channel *chan, const char *name, const
{
struct ast_var_t *newvariable;
struct varshead *headp;
const char *nametail = name;
if (name[strlen(name)-1] == ')')
return ast_func_write(chan, name, value);
headp = (chan) ? &chan->varshead : &globals;
/* For comparison purposes, we have to strip leading underscores */
if (*nametail == '_') {
nametail++;
if (*nametail == '_')
nametail++;
}
AST_LIST_TRAVERSE (headp, newvariable, entries) {
if (strcasecmp(ast_var_name(newvariable), name) == 0) {
if (strcasecmp(ast_var_name(newvariable), nametail) == 0) {
/* there is already such a variable, delete it */
AST_LIST_REMOVE(headp, newvariable, entries);
ast_var_delete(newvariable);