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libpipeline
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lib/debug.c
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Colin Watson
Remove references to old FSF postal address
05 май 2025, 19:22
05 май 2025, 19:22
08bebea
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/* * debug.c: debugging messages * Copyright (C) 2007, 2010 Colin Watson. * * This file is part of libpipeline. * * libpipeline 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. * * libpipeline 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 libpipeline. If not, see <https://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include <errno.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "pipeline-private.h" int debug_level = 0; void init_debug (void) { static int inited = 0; const char *pipeline_debug; if (inited) return; inited = 1; pipeline_debug = getenv ("PIPELINE_DEBUG"); if (pipeline_debug && !strcmp (pipeline_debug, "1")) debug_level = 1; } static void PIPELINE_ATTR_FORMAT_PRINTF (1, 0) vdebug (const char *message, va_list args) { if (debug_level) vfprintf (stderr, message, args); } void debug (const char *message, ...) { init_debug (); if (debug_level) { va_list args; va_start (args, message); vdebug (message, args); va_end (args); } }