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SQUASHFS/squashfs-tools-4.4/squashfs-tools/error.h

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+#ifndef ERROR_H
+#define ERROR_H
+/*
+ * Create a squashfs filesystem.  This is a highly compressed read only
+ * filesystem.
+ *
+ * Copyright (c) 2012, 2013, 2014, 2019
+ * Phillip Lougher <phillip@squashfs.org.uk>
+ *
+ * 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,
+ * 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * error.h
+ */
+
+extern int exit_on_error;
+
+extern void prep_exit();
+extern void progressbar_error(char *fmt, ...);
+extern void progressbar_info(char *fmt, ...);
+
+#ifdef SQUASHFS_TRACE
+#define TRACE(s, args...) \
+		do { \
+			progressbar_info("squashfs: "s, ## args);\
+		} while(0)
+#else
+#define TRACE(s, args...)
+#endif
+
+#define INFO(s, args...) \
+		do {\
+			 if(!silent)\
+				progressbar_info(s, ## args);\
+		} while(0)
+
+#define ERROR(s, args...) \
+		do {\
+			progressbar_error(s, ## args); \
+		} while(0)
+
+#define ERROR_START(s, args...) \
+		do { \
+			disable_progress_bar(); \
+			fprintf(stderr, s, ## args); \
+		} while(0)
+
+#define ERROR_EXIT(s, args...) \
+		do {\
+			if (exit_on_error) { \
+				fprintf(stderr, "\n"); \
+				EXIT_MKSQUASHFS(); \
+			} else { \
+				fprintf(stderr, s, ## args); \
+				enable_progress_bar(); \
+			} \
+		} while(0)
+
+#define EXIT_MKSQUASHFS() \
+		do {\
+			prep_exit();\
+			exit(1);\
+		} while(0)
+
+#define BAD_ERROR(s, args...) \
+		do {\
+			progressbar_error("FATAL ERROR:" s, ##args); \
+			EXIT_MKSQUASHFS();\
+		} while(0)
+
+#define EXIT_UNSQUASH(s, args...) BAD_ERROR(s, ##args)
+
+#define EXIT_UNSQUASH_IGNORE(s, args...) \
+	do {\
+		if(ignore_errors) \
+			ERROR(s, ##args); \
+		else \
+			BAD_ERROR(s, ##args); \
+	} while(0)
+
+#define EXIT_UNSQUASH_STRICT(s, args...) \
+	do {\
+		if(!strict_errors) \
+			ERROR(s, ##args); \
+		else \
+			BAD_ERROR(s, ##args); \
+	} while(0)
+
+#define MEM_ERROR() \
+	do {\
+		progressbar_error("FATAL ERROR: Out of memory (%s)\n", \
+								__func__); \
+		EXIT_MKSQUASHFS();\
+	} while(0)
+#endif