Lock around variables retrieved, and copy the values, if they stay persistent,

since another thread could remove them.
(closes issue #12541)
 Reported by: snuffy
 Patches: 
       bug_12156_apps.diff uploaded by snuffy (license 35)
       Several additional changes by me


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114904 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-04-30 19:21:04 +00:00
parent 4c3aecfc55
commit 527c601d0c
10 changed files with 142 additions and 64 deletions

View File

@@ -111,16 +111,20 @@ static int morsecode_exec(struct ast_channel *chan, void *data)
}
/* Use variable MORESEDITLEN, if set (else 80) */
ast_channel_lock(chan);
ditlenc = pbx_builtin_getvar_helper(chan, "MORSEDITLEN");
if (ast_strlen_zero(ditlenc) || (sscanf(ditlenc, "%d", &ditlen) != 1)) {
ditlen = 80;
}
ast_channel_unlock(chan);
/* Use variable MORSETONE, if set (else 800) */
ast_channel_lock(chan);
tonec = pbx_builtin_getvar_helper(chan, "MORSETONE");
if (ast_strlen_zero(tonec) || (sscanf(tonec, "%d", &tone) != 1)) {
tone = 800;
}
ast_channel_unlock(chan);
for (digit = data; *digit; digit++) {
int digit2 = *digit;