diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-10-06 14:00:40 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-10-06 14:00:40 +0200 |
commit | 6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch) | |
tree | 2e301d871bbeeb44aa57ff9cc070fcf3be484487 /sanei/sanei_init_debug.c |
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'sanei/sanei_init_debug.c')
-rw-r--r-- | sanei/sanei_init_debug.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/sanei/sanei_init_debug.c b/sanei/sanei_init_debug.c new file mode 100644 index 0000000..bb5b755 --- /dev/null +++ b/sanei/sanei_init_debug.c @@ -0,0 +1,150 @@ +/* sane - Scanner Access Now Easy. + Copyright (C) 1996, 1997 David Mosberger-Tang and Andreas Beck + This file is part of the SANE package. + + 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 of the + License, 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., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, the authors of SANE give permission for + additional uses of the libraries contained in this release of SANE. + + The exception is that, if you link a SANE library with other files + to produce an executable, this does not by itself cause the + resulting executable to be covered by the GNU General Public + License. Your use of that executable is in no way restricted on + account of linking the SANE library code into it. + + This exception does not, however, invalidate any other reasons why + the executable file might be covered by the GNU General Public + License. + + If you submit changes to SANE to the maintainers to be included in + a subsequent release, you agree by submitting the changes that + those changes may be distributed with this exception intact. + + If you write modifications of your own for SANE, it is your choice + whether to permit this exception to apply to your modifications. + If you do not wish that, delete this exception notice. */ + +#include "../include/sane/config.h" + +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <string.h> +#include <stdarg.h> +#ifdef HAVE_VSYSLOG +#include <syslog.h> +#endif +#ifdef HAVE_OS2_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#include <sys/stat.h> + +#ifdef HAVE_OS2_H +# define INCL_DOS +# include <os2.h> +#endif + +#define BACKEND_NAME sanei_debug +#include "../include/sane/sanei_debug.h" + +/* If a frontend enables translations, the system toupper() + * call will use the LANG env var. We need to use ascii + * instead, so the debugging env var name matches the docs. + * This is a particular problem in Turkish, where 'i' does + * not capitalize to 'I' */ +char +toupper_ascii (int c) +{ + if(c > 0x60 && c < 0x7b) + return c - 0x20; + return c; +} + +void +sanei_init_debug (const char * backend, int * var) +{ + char ch, buf[256] = "SANE_DEBUG_"; + const char * val; + unsigned int i; + + *var = 0; + + for (i = 11; (ch = backend[i - 11]) != 0; ++i) + { + if (i >= sizeof (buf) - 1) + break; + buf[i] = toupper_ascii(ch); + } + buf[i] = '\0'; + + val = getenv (buf); + + if (!val) + return; + + *var = atoi (val); + + DBG (0, "Setting debug level of %s to %d.\n", backend, *var); +} + +void +sanei_debug_msg + (int level, int max_level, const char *be, const char *fmt, va_list ap) +{ + char *msg; + + if (max_level >= level) + { +#ifdef S_IFSOCK + if ( 1 == isfdtype(fileno(stderr), S_IFSOCK) ) + { + msg = (char *)malloc (sizeof(char) * (strlen(be) + strlen(fmt) + 4)); + if (msg == NULL) + { + syslog (LOG_DEBUG, "[sanei_debug] malloc() failed\n"); + vsyslog (LOG_DEBUG, fmt, ap); + } + else + { + sprintf (msg, "[%s] %s", be, fmt); + vsyslog(LOG_DEBUG, msg, ap); + free (msg); + } + } + else +#endif + { + fprintf (stderr, "[%s] ", be); + vfprintf (stderr, fmt, ap); + } + + } +} + +#ifdef NDEBUG +void +sanei_debug_ndebug (int level, const char *fmt, ...) +{ + /* this function is never called */ +} +#endif |