lib/dpkg/report.c

   1 /*
   2  * libdpkg - Debian packaging suite library routines
   3  * report.c - message reporting
   4  *
   5  * Copyright © 2004-2005 Scott James Remnant <scott@netsplit.com>
   6  * Copyright © 2008-2013 Guillem Jover <guillem@debian.org>
   7  *
   8  * This is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  20  */
  21
  22 #include <config.h>
  23 #include <compat.h>
  24
  25 #include <stdarg.h>
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <unistd.h>
  29
  30 #include <dpkg/dpkg.h>
  31 #include <dpkg/macros.h>
  32 #include <dpkg/i18n.h>
  33 #include <dpkg/progname.h>
  34 #include <dpkg/color.h>
  35 #include <dpkg/report.h>
  36
  37 static int piped_mode = _IOLBF;
  38
  39 void
  40 dpkg_set_report_piped_mode(int mode)
  41 {
  42         piped_mode = mode;
  43 }
  44
  45 void
  46 dpkg_set_report_buffer(FILE *fp)
  47 {
  48         if (isatty(fileno(fp)))
  49                 setvbuf(fp, NULL, _IONBF, 0);
  50         else
  51                 setvbuf(fp, NULL, piped_mode, 0);
  52 }
  53
  54 void
  55 dpkg_warning_printer(const char *msg, void *data)
  56 {
  57         fprintf(stderr, "%s%s:%s %s%s:%s %s\n",
  58                 color_get(COLOR_PROG), dpkg_get_progname(), color_reset(),
  59                 color_get(COLOR_WARN), _("warning"), color_reset(), msg);
  60 }
  61
  62 static dpkg_warning_printer_func *warning_printer_func = dpkg_warning_printer;
  63 static void *warning_printer_data;
  64
  65 void
  66 dpkg_set_warning_printer(dpkg_warning_printer_func *printer, void *data)
  67 {
  68         warning_printer_func = printer;
  69         warning_printer_data = data;
  70 }
  71
  72 static int warn_count = 0;
  73
  74 int
  75 warning_get_count(void)
  76 {
  77         return warn_count;
  78 }
  79
  80 void
  81 warningv(const char *fmt, va_list args)
  82 {
  83         char *buf = NULL;
  84
  85         warn_count++;
  86
  87         m_vasprintf(&buf, fmt, args);
  88         warning_printer_func(buf, warning_printer_data);
  89         free(buf);
  90 }
  91
  92 void
  93 warning(const char *fmt, ...)
  94 {
  95         va_list args;
  96
  97         va_start(args, fmt);
  98         warningv(fmt, args);
  99         va_end(args);
 100 }
 101
 102 void
 103 notice(const char *fmt, ...)
 104 {
 105         char *buf = NULL;
 106         va_list args;
 107
 108         va_start(args, fmt);
 109         m_vasprintf(&buf, fmt, args);
 110         va_end(args);
 111
 112         fprintf(stderr, "%s%s:%s %s\n",
 113                 color_get(COLOR_PROG), dpkg_get_progname(), color_reset(), buf);
 114
 115         free(buf);
 116 }
 117
 118 void
 119 info(const char *fmt, ...)
 120 {
 121         char *buf;
 122         va_list args;
 123
 124         va_start(args, fmt);
 125         m_vasprintf(&buf, fmt, args);
 126         va_end(args);
 127
 128         printf("%s%s:%s %s\n",
 129                color_get(COLOR_PROG), dpkg_get_progname(), color_reset(), buf);
 130
 131         free(buf);
 132 }