115 lines
3.9 KiB
C
115 lines
3.9 KiB
C
/*
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Copyright (c) 2013-2015 pCloud Ltd. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met: Redistributions of source code must retain the above
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copyright notice, this list of conditions and the following
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disclaimer. Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided with
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the distribution. Neither the name of pCloud Ltd nor the names of
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its contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL pCloud
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Ltd BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGE.
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*/
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#include <pthread.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include "debug.h"
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static void time_format(time_t tm, char *result) {
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static const char month_names[12][4] = {"Jan", "Feb", "Mar", "Apr",
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"May", "Jun", "Jul", "Aug",
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"Sep", "Oct", "Nov", "Dec"};
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static const char day_names[7][4] = {"Sun", "Mon", "Tue", "Wed",
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"Thu", "Fri", "Sat"};
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struct tm dt;
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int unsigned y;
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gmtime_r(&tm, &dt);
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memcpy(result, day_names[dt.tm_wday], 3);
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result += 3;
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*result++ = ',';
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*result++ = ' ';
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*result++ = dt.tm_mday / 10 + '0';
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*result++ = dt.tm_mday % 10 + '0';
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*result++ = ' ';
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memcpy(result, month_names[dt.tm_mon], 3);
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result += 3;
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*result++ = ' ';
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y = dt.tm_year + 1900;
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*result++ = '0' + y / 1000;
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y = y % 1000;
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*result++ = '0' + y / 100;
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y = y % 100;
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*result++ = '0' + y / 10;
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y = y % 10;
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*result++ = '0' + y;
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*result++ = ' ';
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*result++ = dt.tm_hour / 10 + '0';
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*result++ = dt.tm_hour % 10 + '0';
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*result++ = ':';
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*result++ = dt.tm_min / 10 + '0';
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*result++ = dt.tm_min % 10 + '0';
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*result++ = ':';
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*result++ = dt.tm_sec / 10 + '0';
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*result++ = dt.tm_sec % 10 + '0';
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memcpy(result, " +0000", 7); // copies the null byte
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}
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void pc_debug(const char *file, const char *function, int unsigned line,
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int unsigned level, const char *fmt, ...) {
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static const struct {
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int unsigned level;
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const char *name;
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} debug_levels[] = DEBUG_LEVELS;
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static FILE *log = NULL;
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char dttime[32], format[512];
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va_list ap;
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const char *errname;
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int unsigned i;
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unsigned int pid;
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time_t currenttime;
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errname = "BAD_ERROR_CODE";
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for (i = 0; i < sizeof(debug_levels) / sizeof(debug_levels[0]); i++)
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if (debug_levels[i].level == level) {
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errname = debug_levels[i].name;
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break;
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}
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if (!log) {
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log = fopen(DEBUG_FILE, "a+");
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if (!log)
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return;
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}
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time(¤ttime);
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time_format(currenttime, dttime);
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#if !defined(MINGW) && !defined(_WIN32)
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pid = (unsigned int)pthread_self();
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#else
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pid = (unsigned int)pthread_self().p;
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#endif
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snprintf(format, sizeof(format), "%s pid %u %s: %s:%u (function %s): %s\n",
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dttime, pid, errname, file, line, function, fmt);
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format[sizeof(format) - 1] = 0;
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va_start(ap, fmt);
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vfprintf(log, format, ap);
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va_end(ap);
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fflush(log);
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}
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