[lcd4linux @ 2001-03-07 18:10:21 by ltoetsch]

added e(x)ec commands

1 files changed, 66 insertions, 0 deletions

diff --git a/exec.c b/exec.c
new file mode 100644
index 0000000..0b7edd4
--- /dev/null
+++ b/exec.c
@@ -0,0 +1,66 @@
+/* $Id: exec.c,v 1.1 2001/03/07 18:10:21 ltoetsch Exp $
+ *
+ * exec ('x*') functions
+ *
+ * Copyright 2001 by Leopold Tötsch (lt@toetsch.at)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * $Log: exec.c,v $
+ * Revision 1.1  2001/03/07 18:10:21  ltoetsch
+ * added e(x)ec commands
+ *
+ *
+ */
+
+#include <stdio.h>
+#include <time.h>
+#include "exec.h"
+#include "debug.h"
+#include "cfg.h"
+
+
+int Exec(int index, char buff[EXEC_TXT_LEN])
+{
+  static time_t now = 0;
+  char *command;
+  char xn[4];
+  FILE *pipe;
+  
+  if (time(NULL) <= now+EXEC_WAIT) 
+    return 0;
+  time(&now); 
+  
+  sprintf(xn, "x%d", index);
+  command = cfg_get(xn);
+  debug("command%d = %s:%s",index,xn,command);
+					    
+  if (!*command) {
+    error("Empty command for 'x%d'", index);
+    return -1;
+  }
+  
+  pipe = popen(command, "r");
+  if (pipe == NULL) {
+    error("Couln't run pip '%s'", command);
+    return -1;
+  }
+  fread(buff, EXEC_TXT_LEN, 1, pipe);
+  fclose(pipe);
+  buff[EXEC_TXT_LEN-1] = '\0';
+  return 0;
+}
+