Changeset 13 for trunk/txlib/txlogfil.c

Timestamp:

05/13/06 20:33:09 (3 years ago)

Author:

jvw

Message:

Logfile size-limit and automatic logfile rotation, very useful for crash tracing

Files:

• trunk/txlib/txlogfil.c (modified) (6 diffs)

trunk/txlib/txlogfil.c

@@ -39 +39 @@
 #include <txlib.h>
 
-static  FILE          *log_handle = 0;
-static  TXLN           log_fname;
-static  BOOL           log_7bit   = TRUE;
-static  BOOL           log_reopen = FALSE;      // reopen on each line
+static  FILE      *log_handle  = 0;
+static  TXLN       log_fname   = "logfile";
+static  BOOL       log_7bit    = TRUE;
+static  BOOL       log_reopen  = FALSE;         // reopen on each line
 
 /*****************************************************************************/
@@ -49 +49 @@
 BOOL TxAppendToLogFile                          // RET   logfile opened
 (
-   char                *fname                   // IN    name of (new) logfile
+   char               *fname,                   // IN    name of (new) logfile
+   BOOL                verbose                  // IN    Show the action
 )
 {
    if (log_handle != 0)                         // close old one
    {
-      TxPrint("Closing logfile   : '%s'\n", log_fname);
+      if (verbose)
+      {
+         TxPrint("Closing logfile   : '%s'\n", log_fname);
+      }
       fclose(log_handle);
       log_handle = 0;
@@ -65 +69 @@
          TxFnameExtension( log_fname, "log");
       }
-      if ((log_handle = fopen(log_fname, "a" TXFMODE)) == 0)
+      if (((log_handle = fopen(log_fname, "a" TXFMODE)) == 0) && (verbose))
       {
          TxPrint("Error opening log : '%s'\n", log_fname);
@@ -72 +76 @@
       {
          TxLogfileState( DEVICE_ON);            // always ON for new file
-         if (TxaOptUnSet('7'))                  // NO strip to 7-bit ASCII
-         {
-            log_7bit = FALSE;
-         }
-         if (TxaExeArgc() != 0)                 // Switches already parsed ?
-         {                                      // (-q = quiet switch to come)
-            TxPrint("Appending to log  : '%s' (%s-bit ASCII)\n",
-                      log_fname, (log_7bit) ? "7" : "8");
+         if (verbose)                           // avoid any TxPrint when
+         {                                      // working in quiet mode
+            if (TxaOptUnSet('7'))               // NO strip to 7-bit ASCII
+            {
+               log_7bit = FALSE;
+            }
+            if (TxaExeArgc() != 0)              // Switches already parsed ?
+            {                                   // (-q = quiet switch to come)
+               TxPrint("Appending to log  : '%s' (%s-bit ASCII)\n",
+                         log_fname, (log_7bit) ? "7" : "8");
+            }
          }
       }
@@ -148 +155 @@
 /*---------------------------------------------------------------------------*/
 
+
 /*****************************************************************************/
 // Get name for current logfile, if any
@@ -166 +174 @@
 /*---------------------------------------------------------------------------*/
 
+
+/*****************************************************************************/
+// Construct name for new logfile based upon a sequence number 0..n
+/*****************************************************************************/
+char *TxBuildLogName                            // RET   filename or NULL
+(
+   ULONG               seq,                     // IN    sequence number
+   TXLN                buf                      // IN    filename buffer
+)
+{
+   char               *rc = buf;
+   TXTS                ext;
+
+   if (seq == 0)                                // first will be .log
+   {
+      strcpy( ext, "log");
+   }
+   else
+   {
+      sprintf( ext, "l%02lu", seq);
+   }
+   strcpy( rc, log_fname);
+
+   TxStripExtension( rc);                       // remove current extension
+   TxFnameExtension( rc, ext);                  // and add new one
+
+   return (rc);
+}                                               // end 'TxBuildLogName'
+/*---------------------------------------------------------------------------*/
+