[asterisk-commits] branch 1.2 r14462 - /branches/1.2/apps/app_readfile.c

[asterisk-commits at lists.digium.com]

Author: russell
Date: Thu Mar 23 14:13:48 2006
New Revision: 14462

URL: http://svn.digium.com/view/asterisk?rev=14462&view=rev
Log:
don't crash when asked to read from a file that doesn't exist (issue #6786)

Modified:
    branches/1.2/apps/app_readfile.c

Modified: branches/1.2/apps/app_readfile.c
URL: http://svn.digium.com/view/asterisk/branches/1.2/apps/app_readfile.c?rev=14462&r1=14461&r2=14462&view=diff
==============================================================================
--- branches/1.2/apps/app_readfile.c (original)
+++ branches/1.2/apps/app_readfile.c Thu Mar 23 14:13:48 2006
@@ -95,15 +95,16 @@
 		}
 	}
 
-	returnvar = ast_read_textfile(file);
-	if(len > 0){
-		if(len < strlen(returnvar))
-			returnvar[len]='\0';
-		else
-			ast_log(LOG_WARNING,"%s is longer than %d, and %d \n", file, len, (int)strlen(returnvar));
+	if ((returnvar = ast_read_textfile(file))) {
+		if (len > 0) {
+			if (len < strlen(returnvar))
+				returnvar[len]='\0';
+			else
+				ast_log(LOG_WARNING, "%s is longer than %d, and %d \n", file, len, (int)strlen(returnvar));
+		}
+		pbx_builtin_setvar_helper(chan, varname, returnvar);
+		free(returnvar);
 	}
-	pbx_builtin_setvar_helper(chan, varname, returnvar);
-	free(returnvar);
 	LOCAL_USER_REMOVE(u);
 	return res;
 }