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94 lines
3 KiB
C
94 lines
3 KiB
C
#ifndef CHECKPOINT_H_
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#define CHECKPOINT_H_
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/*****************************************************************************
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* Copyright (C) 2007-2014 Laurent Fasnacht <l@libres.ch> *
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* *
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* You can redistribute it and/or modify it under the terms of the GNU *
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* General Public License version 2 as published by the Free Software *
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* Foundation. *
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****************************************************************************/
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#ifdef CHECKPOINTS
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#ifdef NDEBUG
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#error "CHECKPOINTS require assertions to be enabled!"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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extern FILE* g_ckpt_file;
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extern int g_ckpt_enabled; //Do we check?
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extern int g_ckpt_record; //Do we record?
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#endif
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#if defined(CHECKPOINTS)
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#define CHECKPOINTS_INIT() do { \
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if (getenv("CHECKPOINTS")) {\
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if (strcmp(getenv("CHECKPOINTS"),"record") == 0) { \
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g_ckpt_file = fopen("__debug_ckpt.log", "w"); assert(g_ckpt_file); \
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g_ckpt_record = 1; \
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} else if (strcmp(getenv("CHECKPOINTS"),"check") == 0) { \
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g_ckpt_file = fopen("__debug_ckpt.log", "r"); assert(g_ckpt_file); \
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g_ckpt_record = 0; \
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g_ckpt_enabled = 0; \
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} else { \
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g_ckpt_file = NULL; \
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} \
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} else {\
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g_ckpt_file = NULL; \
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} \
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} while (0)
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#define CHECKPOINTS_FINALIZE() do {if (g_ckpt_file) fclose(g_ckpt_file); g_ckpt_file = NULL;} while (0)
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#define CHECKPOINT_MARK(str, ...) do { \
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if (g_ckpt_file) { \
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if (g_ckpt_record) { \
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fprintf(g_ckpt_file, "MARK: " str "\n", __VA_ARGS__); \
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} else { \
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char buffer_ckpt[4096]; \
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long pos; \
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snprintf(buffer_ckpt, 4095, "MARK: " str "\n", __VA_ARGS__); \
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pos = ftell(g_ckpt_file); \
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g_ckpt_enabled = 0; \
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while (!feof(g_ckpt_file)) { \
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char buffer_file[4096]; \
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fgets(buffer_file, 4095, g_ckpt_file); \
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if (strncmp(buffer_file, buffer_ckpt, 4096)==0) { \
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g_ckpt_enabled = 1; \
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break; \
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} \
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} \
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if (!g_ckpt_enabled) fseek(g_ckpt_file, pos, SEEK_SET); \
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} \
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} \
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} while (0)
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#define CHECKPOINT(str, ...) do { \
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if (g_ckpt_file) { \
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if (g_ckpt_record) { \
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fprintf(g_ckpt_file, str "\n", __VA_ARGS__); \
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} else if (g_ckpt_enabled) { \
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char buffer_file[4096], buffer_ckpt[4096]; \
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fgets(buffer_file, 4095, g_ckpt_file); \
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snprintf(buffer_ckpt, 4095, str "\n", __VA_ARGS__); \
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if (strncmp(buffer_file, buffer_ckpt, 4096)!=0) { \
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fprintf(stderr, "Checkpoint failed (at %ld):\nFile: %sExec: %s", ftell(g_ckpt_file), buffer_file, buffer_ckpt); \
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assert(0); \
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} \
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} \
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} \
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} while (0)
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#endif
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#if !defined(CHECKPOINTS)
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#define CHECKPOINTS_INIT() do {} while (0)
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#define CHECKPOINTS_FINALIZE() do {} while (0)
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#define CHECKPOINT_MARK(str, ...) do {} while (0)
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#define CHECKPOINT(str, ...) do {} while (0)
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#endif
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#endif //CHECKPOINT_H_
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