From 40b75c24b1586e4d7ad8a9f4c14dc0b3ff99b8cd Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sat, 5 Oct 2019 22:32:56 +0200 Subject: Add a perror like function for libsquashfs error codes Signed-off-by: David Oberhollenzer --- lib/sqfshelper/Makemodule.am | 2 +- lib/sqfshelper/perror.c | 71 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+), 1 deletion(-) create mode 100644 lib/sqfshelper/perror.c (limited to 'lib') diff --git a/lib/sqfshelper/Makemodule.am b/lib/sqfshelper/Makemodule.am index 90a25d2..870cc86 100644 --- a/lib/sqfshelper/Makemodule.am +++ b/lib/sqfshelper/Makemodule.am @@ -7,6 +7,6 @@ libsqfshelper_a_SOURCES += lib/sqfshelper/data_reader_dump.c libsqfshelper_a_SOURCES += lib/sqfshelper/compress.c lib/sqfshelper/comp_opt.c libsqfshelper_a_SOURCES += lib/sqfshelper/data_writer.c include/highlevel.h libsqfshelper_a_SOURCES += lib/sqfshelper/get_path.c lib/sqfshelper/io_stdin.c -libsqfshelper_a_SOURCES += lib/sqfshelper/writer.c +libsqfshelper_a_SOURCES += lib/sqfshelper/writer.c lib/sqfshelper/perror.c noinst_LIBRARIES += libsqfshelper.a diff --git a/lib/sqfshelper/perror.c b/lib/sqfshelper/perror.c new file mode 100644 index 0000000..6f972d8 --- /dev/null +++ b/lib/sqfshelper/perror.c @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * print_version.c + * + * Copyright (C) 2019 David Oberhollenzer + */ +#include "config.h" + +#include "sqfs/error.h" + +#include "highlevel.h" + +#include + +void sqfs_perror(const char *file, const char *action, int error_code) +{ + const char *errstr; + + switch (error_code) { + case SQFS_ERROR_ALLOC: + errstr = "out of memory"; + break; + case SQFS_ERROR_IO: + errstr = "I/O error"; + break; + case SQFS_ERROR_COMPRESSOR: + errstr = "internal compressor error"; + break; + case SQFS_ERROR_INTERNAL: + errstr = "internal error"; + break; + case SQFS_ERROR_CORRUPTED: + errstr = "data corrupted"; + break; + case SQFS_ERROR_UNSUPPORTED: + errstr = "unknown or not supported"; + break; + case SQFS_ERROR_OVERFLOW: + errstr = "numeric overflow"; + break; + case SQFS_ERROR_OUT_OF_BOUNDS: + errstr = "location out of bounds"; + break; + case SFQS_ERROR_SUPER_MAGIC: + errstr = "wrong magic value in super block"; + break; + case SFQS_ERROR_SUPER_VERSION: + errstr = "wrong squashfs version in super block"; + break; + case SQFS_ERROR_SUPER_BLOCK_SIZE: + errstr = "invalid block size specified in super block"; + break; + case SQFS_ERROR_NOT_DIR: + errstr = "target is not a directory"; + break; + case SQFS_ERROR_NO_ENTRY: + errstr = "no such file or directory"; + break; + case SQFS_ERROR_LINK_LOOP: + errstr = "hard link loop detected"; + break; + case SQFS_ERROR_NOT_FILE: + errstr = "target is not a file"; + break; + default: + errstr = "libsquashfs returned an unknown error code"; + break; + } + + fprintf(stderr, "%s: %s: %s.\n", file, action, errstr); +} -- cgit v1.2.3