create-package-feed.pl: Polish file and directory handling

[privoxy.git] / errlog.c

diff --git a/errlog.c b/errlog.c
index 6e31e68..927289f 100644 (file)
--- a/errlog.c
+++ b/errlog.c
@@ -1,4 +1,4 @@
-const char errlog_rcs[] = "$Id: errlog.c,v 1.113 2012/03/09 16:23:50 fabiankeil Exp $";
+const char errlog_rcs[] = "$Id: errlog.c,v 1.125 2016/01/26 17:12:14 diem Exp $";
 /*********************************************************************
  *
  * File        :  $Source: /cvsroot/ijbswa/current/errlog.c,v $
@@ -6,7 +6,7 @@ const char errlog_rcs[] = "$Id: errlog.c,v 1.113 2012/03/09 16:23:50 fabiankeil
  * Purpose     :  Log errors to a designated destination in an elegant,
  *                printf-like fashion.
  *
- * Copyright   :  Written by and Copyright (C) 2001-2010 the
+ * Copyright   :  Written by and Copyright (C) 2001-2014 the
  *                Privoxy team. http://www.privoxy.org/
  *
  *                Based on the Internet Junkbuster originally written
@@ -75,6 +75,9 @@ const char errlog_rcs[] = "$Id: errlog.c,v 1.113 2012/03/09 16:23:50 fabiankeil
 #include "errlog.h"
 #include "project.h"
 #include "jcc.h"
+#ifdef FEATURE_EXTERNAL_FILTERS
+#include "jbsockets.h"
+#endif
 
 const char errlog_h_rcs[] = ERRLOG_H_VERSION;
 
@@ -146,25 +149,27 @@ static inline void unlock_loginit() {}
  *********************************************************************/
 static void fatal_error(const char *error_message)
 {
-#if defined(_WIN32) && !defined(_WIN_CONSOLE)
-   /* Skip timestamp and thread id for the message box. */
-   const char *box_message = strstr(error_message, "Fatal error");
-   if (NULL == box_message)
+   if (logfp != NULL)
    {
-      /* Shouldn't happen but ... */
-      box_message = error_message;
+      fputs(error_message, logfp);
    }
-   MessageBox(g_hwndLogFrame, box_message, "Privoxy Error",
-      MB_OK | MB_ICONERROR | MB_TASKMODAL | MB_SETFOREGROUND | MB_TOPMOST);
 
-   /* Cleanup - remove taskbar icon etc. */
-   TermLogWindow();
-#endif /* defined(_WIN32) && !defined(_WIN_CONSOLE) */
-
-   if (logfp != NULL)
+#if defined(_WIN32) && !defined(_WIN_CONSOLE)
    {
-      fputs(error_message, logfp);
+      /* Skip timestamp and thread id for the message box. */
+      const char *box_message = strstr(error_message, "Fatal error");
+      if (NULL == box_message)
+      {
+         /* Shouldn't happen but ... */
+         box_message = error_message;
+      }
+      MessageBox(g_hwndLogFrame, box_message, "Privoxy Error",
+         MB_OK | MB_ICONERROR | MB_TASKMODAL | MB_SETFOREGROUND | MB_TOPMOST);
+
+      /* Cleanup - remove taskbar icon etc. */
+      TermLogWindow();
    }
+#endif /* defined(_WIN32) && !defined(_WIN_CONSOLE) */
 
 #if defined(unix)
    if (pidfile)
@@ -244,6 +249,23 @@ void set_debug_level(int debug_level)
 }
 
 
+/*********************************************************************
+ *
+ * Function    :  debug_level_is_enabled
+ *
+ * Description :  Checks if a certain debug level is enabled.
+ *
+ * Parameters  :  1: debug_level = The debug level to check.
+ *
+ * Returns     :  Nothing.
+ *
+ *********************************************************************/
+int debug_level_is_enabled(int debug_level)
+{
+   return (0 != (debug & debug_level));
+}
+
+
 /*********************************************************************
  *
  * Function    :  disable_logging
@@ -335,6 +357,10 @@ void init_error_log(const char *prog_name, const char *logfname)
       log_error(LOG_LEVEL_FATAL, "init_error_log(): can't open logfile: \'%s\'", logfname);
    }
 
+#ifdef FEATURE_EXTERNAL_FILTERS
+   mark_socket_for_close_on_execute(3);
+#endif
+
    /* set logging to be completely unbuffered */
    setbuf(fp, NULL);
 
@@ -383,7 +409,7 @@ void init_error_log(const char *prog_name, const char *logfname)
  *********************************************************************/
 static long get_thread_id(void)
 {
-   long this_thread = 1;  /* was: pthread_t this_thread;*/
+   long this_thread;
 
 #ifdef __OS2__
    PTIB     ptib;
@@ -395,12 +421,11 @@ static long get_thread_id(void)
    this_thread = (long)pthread_self();
 #ifdef __MACH__
    /*
-    * Mac OSX (and perhaps other Mach instances) doesn't have a debuggable
-    * value at the first 4 bytes of pthread_self()'s return value, a pthread_t.
-    * pthread_t is supposed to be opaque... but it's fairly random, though, so
-    * we make it mostly presentable.
+    * Mac OSX (and perhaps other Mach instances) doesn't have a unique
+    * value at the lowest order 4 bytes of pthread_self()'s return value, a pthread_t,
+    * so trim the three lowest-order bytes from the value (16^3).
     */
-   this_thread = abs(this_thread % 1000);
+   this_thread = this_thread / 4096;
 #endif /* def __MACH__ */
 #elif defined(_WIN32)
    this_thread = GetCurrentThreadId();
@@ -408,6 +433,9 @@ static long get_thread_id(void)
    ulrc = DosGetInfoBlocks(&ptib, NULL);
    if (ulrc == 0)
      this_thread = ptib -> tib_ptib2 -> tib2_ultid;
+#else
+   /* Forking instead of threading. */
+   this_thread = 1;
 #endif /* def FEATURE_PTHREAD */
 
    return this_thread;
@@ -604,6 +632,9 @@ static inline const char *get_log_level_string(int loglevel)
       case LOG_LEVEL_CGI:
          log_level_string = "CGI";
          break;
+      case LOG_LEVEL_ACTIONS:
+         log_level_string = "Actions";
+         break;
       default:
          log_level_string = "Unknown log level";
          break;
@@ -614,6 +645,7 @@ static inline const char *get_log_level_string(int loglevel)
 }
 
 
+#define LOG_BUFFER_SIZE BUFFER_SIZE
 /*********************************************************************
  *
  * Function    :  log_error
@@ -633,7 +665,7 @@ void log_error(int loglevel, const char *fmt, ...)
    va_list ap;
    char *outbuf = NULL;
    static char *outbuf_save = NULL;
-   char tempbuf[BUFFER_SIZE];
+   char tempbuf[LOG_BUFFER_SIZE];
    size_t length = 0;
    const char * src = fmt;
    long thread_id;
@@ -643,7 +675,7 @@ void log_error(int loglevel, const char *fmt, ...)
     * why else do we allocate instead of using
     * an array?
     */
-   size_t log_buffer_size = BUFFER_SIZE;
+   size_t log_buffer_size = LOG_BUFFER_SIZE;
 
 #if defined(_WIN32) && !defined(_WIN_CONSOLE)
    /*
@@ -684,15 +716,7 @@ void log_error(int loglevel, const char *fmt, ...)
 
    if (NULL == outbuf_save)
    {
-      outbuf_save = (char*)zalloc(log_buffer_size + 1); /* +1 for paranoia */
-      if (NULL == outbuf_save)
-      {
-         snprintf(tempbuf, sizeof(tempbuf),
-            "%s %08lx Fatal error: Out of memory in log_error().",
-            timestamp, thread_id);
-         fatal_error(tempbuf); /* Exit */
-         return;
-      }
+      outbuf_save = zalloc_or_die(log_buffer_size + 1); /* +1 for paranoia */
    }
    outbuf = outbuf_save;
 
@@ -968,9 +992,6 @@ const char *jb_err_to_string(int jb_error)
          return "File has been modified outside of the CGI actions editor.";
       case JB_ERR_COMPRESS:
          return "(De)compression failure";
-      default:
-         assert(0);
-         return "Unknown error";
    }
    assert(0);
    return "Internal error";