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app_read does not break from prompt loop with user terminated empty string

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In app.c, ast_app_getdata is called to stream the prompts and receive DTMF input.  If ast_app_getdata() receives an empty string caused by the user inputing the end of string character, in this case '#', it should break from the prompt loop and return to app_read, but instead it cycles through all the prompts.  I've added a return value for this special case in ast_readstring() which uses an enum I've delcared in apps.h.  This enum is now used as a return value for ast_app_getdata().

(closes issue #14279)
Reported by: Marquis
Patches:
	fix_app_read.patch uploaded by Marquis (license 32)
	read-ampersanmd.patch2 uploaded by dvossel (license 671)
Tested by: Marquis, dvossel
Review: http://reviewboard.digium.com/r/177/




git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@180032 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David Vossel
2009-03-03 23:21:18 +00:00
parent 0b01444ab7
commit 979eb709ae
4 changed files with 33 additions and 14 deletions
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10
main/app.c
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@@ -121,7 +121,7 @@ int ast_app_dtget(struct ast_channel *chan, const char *context, char *collect,
* \param maxlen How many digits to read (maximum)
* \param timeout set timeout to 0 for "standard" timeouts. Set timeout to -1 for
* "ludicrous time" (essentially never times out) */
int ast_app_getdata(struct ast_channel *c, const char *prompt, char *s, int maxlen, int timeout)
enum ast_getdata_result ast_app_getdata(struct ast_channel *c, const char *prompt, char *s, int maxlen, int timeout)
{
int res = 0, to, fto;
char *front, *filename;
@@ -158,10 +158,14 @@ int ast_app_getdata(struct ast_channel *c, const char *prompt, char *s, int maxl
to = c->pbx ? c->pbx->dtimeoutms : 2000;
}
res = ast_readstring(c, s, maxlen, to, fto, "#");
if (!ast_strlen_zero(s))
if (res == AST_GETDATA_EMPTY_END_TERMINATED) {
return res;
}
if (!ast_strlen_zero(s)) {
return res;
}
}
return res;
}