Merged revisions 77795 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

(closes issue #10083)
........
r77795 | qwell | 2007-07-30 15:17:08 -0500 (Mon, 30 Jul 2007) | 6 lines

Applications like SayAlpha() should not hang up the channel if you
 request an "unknown" character such as a comma.
Instead, skip the character and move on.

Issue 10083, initial patch by jsmith, modified by me.

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@77796 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/say.c

@@ -126,14 +126,16 @@ static int say_character_str_full(struct ast_channel *chan, const char *str, con
 			fnbuf[8] = ltr;
 			fn = fnbuf;
 		}
-		res = ast_streamfile(chan, fn, lang);
-		if (!res) {
-			if ((audiofd  > -1) && (ctrlfd > -1))
-				res = ast_waitstream_full(chan, ints, audiofd, ctrlfd);
-			else
-				res = ast_waitstream(chan, ints);
+		if (fn && ast_fileexists(fn, NULL, NULL) > 0) {
+			res = ast_streamfile(chan, fn, lang);
+			if (!res) {
+				if ((audiofd  > -1) && (ctrlfd > -1))
+					res = ast_waitstream_full(chan, ints, audiofd, ctrlfd);
+				else
+					res = ast_waitstream(chan, ints);
+			}
+			ast_stopstream(chan);
 		}
-		ast_stopstream(chan);
 		num++;
 	}
 
@@ -204,14 +206,16 @@ static int say_phonetic_str_full(struct ast_channel *chan, const char *str, cons
 			fnbuf[9] = ltr;
 			fn = fnbuf;
 		}
-		res = ast_streamfile(chan, fn, lang);
-		if (!res) {
-			if ((audiofd  > -1) && (ctrlfd > -1))
-				res = ast_waitstream_full(chan, ints, audiofd, ctrlfd);
-			else
-				res = ast_waitstream(chan, ints);
+		if (fn && ast_fileexists(fn, NULL, NULL) > 0) {
+			res = ast_streamfile(chan, fn, lang);
+			if (!res) {
+				if ((audiofd  > -1) && (ctrlfd > -1))
+					res = ast_waitstream_full(chan, ints, audiofd, ctrlfd);
+				else
+					res = ast_waitstream(chan, ints);
+			}
+			ast_stopstream(chan);
 		}
-		ast_stopstream(chan);
 		num++;
 	}
 
@@ -252,7 +256,7 @@ static int say_digit_str_full(struct ast_channel *chan, const char *str, const c
 			fn = fnbuf;
 			break;
 		}
-		if (fn) {
+		if (fn && ast_fileexists(fn, NULL, NULL) > 0) {
 			res = ast_streamfile(chan, fn, lang);
 			if (!res) {
 				if ((audiofd  > -1) && (ctrlfd > -1))