Merge mog's ReadFile application (bug #3670)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@5099 f38db490-d61c-443f-a65b-d21fe96a405b

2 files changed, 117 insertions, 1 deletions

diff --git a/apps/Makefile b/apps/Makefile
index 7b527d343..f37aadab7 100755
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -31,7 +31,7 @@ APPS=app_dial.so app_playback.so app_voicemail.so app_directory.so app_mp3.so\
      app_talkdetect.so app_alarmreceiver.so app_userevent.so app_verbose.so \
      app_test.so app_forkcdr.so app_math.so app_realtime.so \
      app_dumpchan.so app_waitforsilence.so app_while.so app_setrdnis.so \
-     app_md5.so
+     app_md5.so app_readfile.so
 
 ifneq (${OSARCH},Darwin)
 ifneq (${OSARCH},SunOS)
diff --git a/apps/app_readfile.c b/apps/app_readfile.c
new file mode 100755
index 000000000..3adc79a9c
--- /dev/null
+++ b/apps/app_readfile.c
@@ -0,0 +1,116 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * ReadFile application -- Reads in a File for you.
+ *
+ * Copyright (C) 2005 Digium, Inc.
+ *
+ * Matt O'Gorman <mogorman@digium.com>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/options.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <asterisk/app.h>
+#include <asterisk/module.h>
+
+static char *tdesc = "Stores output of file into a variable";
+
+static char *app_readfile = "ReadFile";
+
+static char *readfile_synopsis = "ReadFile(varname=file,length)";
+
+static char *readfile_descrip =
+"ReadFile(varname=file,length)\n"
+"  Varname - Result stored here.\n"
+"  File - The name of the file to read.\n"
+"  Length   - Maximum number of lines to capture.\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+
+static int readfile_exec(struct ast_channel *chan, void *data)
+{
+	int res=0;
+	struct localuser *u;
+	char *s, *varname=NULL, *file=NULL, *length=NULL, *returnvar=NULL;
+	int len=0;
+
+
+	s = ast_strdupa(data);
+	if (!s) {
+		ast_log(LOG_ERROR, "Out of memory\n");
+		return -1;
+	}
+
+	varname = strsep(&s, "=");
+	file = strsep(&s, "|");
+	length = s;
+
+	if (!varname || !file) {
+		ast_log(LOG_ERROR, "No file or variable specified!\n");
+		return -1;
+	}
+
+	LOCAL_USER_ADD(u);
+	if (length) {
+		if ((sscanf(length, "%d", &len) != 1) || (len < 0)) {
+			ast_log(LOG_WARNING, "%s is not a positive number, defaulting length to max\n", length);
+			len = 0;
+		}
+	}
+	
+	
+	returnvar = ast_read_textfile(file);
+	if(len > 0){
+		if(len < strlen(returnvar))
+			returnvar[len]='\0';
+		else
+			ast_log(LOG_WARNING,"%s is longer than %i, and %i \n",file,len,strlen(returnvar));
+	}
+	pbx_builtin_setvar_helper(chan, varname, returnvar);
+	free(returnvar);
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+
+int unload_module(void)
+{
+	STANDARD_HANGUP_LOCALUSERS;
+	return ast_unregister_application(app_readfile);
+}
+
+int load_module(void)
+{
+	return ast_register_application(app_readfile, readfile_exec, readfile_synopsis, readfile_descrip);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}