linux/sane/sane-debug-to-syslog.patch

   1 Index: ChangeLog
   2 ===================================================================
   3 RCS file: /cvsroot/external/sane/ChangeLog,v
   4 retrieving revision 1.1.1.1.2.115
   5 diff -u -r1.1.1.1.2.115 ChangeLog
   6 --- ChangeLog   2000/03/18 03:14:11     1.1.1.1.2.115
   7 +++ ChangeLog   2000/03/18 03:19:11
   8 @@ -1,5 +1,10 @@
   9  2000-03-18  Petter Reinholdtsen <pere@td.org.uit.no>
  10
  11 +       * include/sane/sanei_debug.h sanei/sanei_init_debug.c: Send debug
  12 +       messages to syslog if stderr is a socket.
  13 +
  14 +2000-03-18  Petter Reinholdtsen <pere@td.org.uit.no>
  15 +
  16         * backend/Makefile.in tools/libtool-get-dll-ext: New script to
  17         detect shared library endings without using 'rev' which is missing
  18         on some platforms.
  19 Index: include/sane/sanei_debug.h
  20 ===================================================================
  21 RCS file: /cvsroot/external/sane/include/sane/sanei_debug.h,v
  22 retrieving revision 1.1.1.1.2.1
  23 diff -u -r1.1.1.1.2.1 sanei_debug.h
  24 --- sanei_debug.h       2000/01/25 15:37:55     1.1.1.1.2.1
  25 +++ sanei_debug.h       2000/03/18 03:19:12
  26 @@ -1,3 +1,6 @@
  27 +#ifndef _SANEI_DEBUG_H
  28 +#define _SANEI_DEBUG_H
  29 +
  30  #include <sane/sanei.h>
  31
  32  #define ENTRY(name)    PASTE(PASTE(PASTE(sane_,BACKEND_NAME),_),name)
  33 @@ -8,9 +11,7 @@
  34  # define HAVE_VARARG_MACROS
  35  #endif
  36
  37 -#ifndef HAVE_VARARG_MACROS
  38 -  extern void sanei_debug (int level, const char *msg, ...);
  39 -#endif
  40 +extern void sanei_debug (int level, const char *msg, ...);
  41
  42  #ifdef NDEBUG
  43  # define DBG_INIT(backend, var)
  44 @@ -26,28 +27,31 @@
  45  #define DBG_LEVEL      PASTE(sanei_debug_,BACKEND_NAME)
  46
  47  #if defined(BACKEND_NAME) && !defined(STUBS)
  48 -int PASTE(sanei_debug_,BACKEND_NAME);
  49 +int DBG_LEVEL;
  50  #endif
  51
  52  # define DBG_INIT()                                    \
  53 -  sanei_init_debug (STRINGIFY(BACKEND_NAME),           \
  54 -                   &PASTE(sanei_debug_,BACKEND_NAME))
  55 +  sanei_init_debug (STRINGIFY(BACKEND_NAME), &DBG_LEVEL)
  56
  57  /* The cpp that comes with GNU C 2.5 seems to have troubles understanding
  58     vararg macros.  */
  59  #ifdef HAVE_VARARG_MACROS
  60 +extern void sanei_debug_max (int level, int max_level, const char *msg, ...);
  61 +
  62  # define DBG(level, msg, args...)                                      \
  63    do {                                                                 \
  64 -    if (DBG_LEVEL >= (level)){                 \
  65 -      fprintf (stderr, "[" STRINGIFY(BACKEND_NAME) "] " msg, ##args);  \
  66 -      fflush(stderr); \
  67 -    }                  \
  68 +      sanei_debug_max ( level, DBG_LEVEL,                               \
  69 +                        "[" STRINGIFY(BACKEND_NAME) "] " msg, ##args);  \
  70    } while (0)
  71
  72    extern void sanei_init_debug (const char * backend, int * debug_level_var);
  73  #else
  74  # define DBG           sanei_debug
  75 -#endif
  76 +#endif /* HAVE_VARARG_MACROS */
  77
  78  # define IF_DBG(x)     x
  79 -#endif
  80 +#endif */ NDEBUG */
  81 +
  82 +#else
  83 +#  warning "sane/sanei_debug.h included more then once!"
  84 +#endif /* _SANEI_DEBUG_H */
  85 Index: sanei/sanei_init_debug.c
  86 ===================================================================
  87 RCS file: /cvsroot/external/sane/sanei/sanei_init_debug.c,v
  88 retrieving revision 1.1.1.1
  89 diff -u -r1.1.1.1 sanei_init_debug.c
  90 --- sanei_init_debug.c  1999/08/09 18:05:59     1.1.1.1
  91 +++ sanei_init_debug.c  2000/03/18 03:19:12
  92 @@ -43,24 +43,33 @@
  93  #include <ctype.h>
  94  #include <stdio.h>
  95  #include <stdlib.h>
  96 +#ifdef HAVE_UNISTD_H
  97 +#include <unistd.h>
  98 +#endif
  99 +#include <stdarg.h>
 100 +#include <sys/syslog.h>
 101 +#ifdef HAVE_SYS_SOCKET_H
 102 +#include <sys/socket.h>
 103 +#endif
 104 +#include <sys/stat.h>
 105
 106  #ifdef __EMX__
 107  # define INCL_DOS
 108  # include <os2.h>
 109  #endif
 110
 111 +#define BACKEND_NAME sanei_debug
 112  #include <sane/sanei_debug.h>
 113
 114 -#ifndef HAVE_VARARG_MACROS
 115 -  static int max_level = 0;
 116 -#endif
 117 +static int global_max_level = 0;
 118 +
 119
 120  void
 121  sanei_init_debug (const char * backend, int * var)
 122  {
 123    char ch, buf[256] = "SANE_DEBUG_";
 124    const char * val;
 125 -  int i;
 126 +  unsigned int i;
 127
 128    *var = 0;
 129
 130 @@ -84,30 +93,38 @@
 131
 132    *var = atoi (val);
 133
 134 -#ifndef HAVE_VARARG_MACROS
 135 -  if (*var > max_level)
 136 -    max_level = *var;
 137 -#endif
 138 +  if (*var > global_max_level)
 139 +    global_max_level = *var;
 140
 141 -  fprintf (stderr, "[sanei_init_debug]: Setting debug level of %s to %d.\n",
 142 -          backend, *var);
 143 +  DBG (0, "Setting debug level of %s to %d.\n", backend, *var);
 144  }
 145
 146 -#ifndef HAVE_VARARG_MACROS
 147 -
 148 -#include <stdarg.h>
 149 +static void
 150 +debug_msg (int level, int max_level, const char *fmt, va_list ap)
 151 +{
 152 +  if (max_level >= level)
 153 +    {
 154 +      if ( 1 == isfdtype(fileno(stderr), S_IFSOCK) )
 155 +       vsyslog(LOG_DEBUG, fmt, ap);
 156 +      else
 157 +       vfprintf (stderr, fmt, ap);
 158 +    }
 159 +}
 160
 161  void
 162  sanei_debug (int level, const char *fmt, ...)
 163  {
 164    va_list ap;
 165 -
 166 -  if (max_level >= level)
 167 -    {
 168 -      va_start (ap, fmt);
 169 -      vfprintf (stderr, fmt, ap);
 170 -      va_end (ap);
 171 -    }
 172 +  va_start (ap, fmt);
 173 +  debug_msg (level, global_max_level, fmt, ap);
 174 +  va_end (ap);
 175  }
 176
 177 -#endif /* !HAVE_VARARG_MACROS */
 178 +void
 179 +sanei_debug_max (int level, int max_level, const char *fmt, ...)
 180 +{
 181 +  va_list ap;
 182 +  va_start (ap, fmt);
 183 +  debug_msg (level, max_level, fmt, ap);
 184 +  va_end (ap);
 185 +}