X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fheader.c;h=7cd25b1158cbba214a29f030acb27e544e0f8f55;hp=6f9668a5d6c9f15d738f2d59dd831bc6659472b6;hb=6f7956a06fcf92a304fae93e393e8eaee34e92d5;hpb=4f9947253f6a08f4a922d3efe0880e3039b3eb5e diff --git a/src/header.c b/src/header.c index 6f9668a5..7cd25b11 100644 --- a/src/header.c +++ b/src/header.c @@ -2,24 +2,26 @@ * header.c * * Read, write, or create a WIM header. - * + */ + +/* * Copyright (C) 2010 Carl Thijssen * Copyright (C) 2012 Eric Biggers * - * wimlib - Library for working with WIM files + * This file is part of wimlib, a library for working with WIM files. * - * This library is free software; you can redistribute it and/or modify it under - * the terms of the GNU Lesser General Public License as published by the Free - * Software Foundation; either version 2.1 of the License, or (at your option) any - * later version. + * wimlib is free software; you can redistribute it and/or modify it under the + * terms of the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 2.1 of the License, or (at your option) + * any later version. * - * This library 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 Lesser General Public License for more details. + * wimlib 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 Lesser General Public License for more + * details. * - * You should have received a copy of the GNU Lesser General Public License along - * with this library; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU Lesser General Public License + * along with wimlib; if not, see http://www.gnu.org/licenses/. */ #include "wimlib_internal.h" @@ -40,10 +42,8 @@ int read_header(FILE *fp, struct wim_header *hdr, int split_ok) u32 hdr_size; u32 wim_version; u32 chunk_size; - u16 part_number; - u16 total_parts; - DEBUG("Reading WIM header.\n"); + DEBUG("Reading WIM header."); bytes_read = fread(buf, 1, WIM_MAGIC_LEN, fp); @@ -53,7 +53,7 @@ int read_header(FILE *fp, struct wim_header *hdr, int split_ok) /* Byte 8 */ if (memcmp(buf, wim_magic_chars, WIM_MAGIC_LEN) != 0) { - ERROR("Invalid magic characters in WIM header\n"); + ERROR("Invalid magic characters in WIM header"); return WIMLIB_ERR_NOT_A_WIM_FILE; } @@ -66,8 +66,8 @@ int read_header(FILE *fp, struct wim_header *hdr, int split_ok) /* Byte 12 */ if (hdr_size != WIM_HEADER_DISK_SIZE) { - DEBUG("ERROR: Header is size %u (expected %u)\n", - hdr_size, WIM_HEADER_DISK_SIZE); + DEBUG("ERROR: Header is size %u (expected %u)", + hdr_size, WIM_HEADER_DISK_SIZE); return WIMLIB_ERR_INVALID_HEADER_SIZE; } @@ -83,20 +83,21 @@ int read_header(FILE *fp, struct wim_header *hdr, int split_ok) p = get_u32(buf + WIM_MAGIC_LEN + sizeof(u32), &wim_version); if (wim_version != WIM_VERSION) { - ERROR("The WIM header says the WIM version is %u, but Wimlib " - "only knows about version %u.\n", wim_version, - WIM_VERSION); + ERROR("The WIM header says the WIM version is %u, but wimlib " + "only knows about version %u", + wim_version, WIM_VERSION); return WIMLIB_ERR_UNKNOWN_VERSION; } p = get_u32(p, &hdr->flags); p = get_u32(p, &chunk_size); if (chunk_size != WIM_CHUNK_SIZE && - (hdr->flags & WIM_HDR_FLAG_COMPRESSION)) { + (hdr->flags & WIM_HDR_FLAG_COMPRESSION)) { ERROR("Unexpected chunk size of %u! Ask the author to " - "implement support for other chunk sizes. " - "(Or it might just be that the WIM header is " - "invalid.)\n", chunk_size); + "implement support for other chunk sizes.", + chunk_size); + ERROR("(Or it might just be that the WIM header is " + "invalid.)", chunk_size); return WIMLIB_ERR_INVALID_CHUNK_SIZE; } @@ -105,15 +106,15 @@ int read_header(FILE *fp, struct wim_header *hdr, int split_ok) p = get_u16(p, &hdr->total_parts); if (!split_ok && (hdr->part_number != 1 || hdr->total_parts != 1)) { - ERROR("This WIM is part %u of a %u-part WIM.\n", - hdr->part_number, hdr->total_parts); + ERROR("This WIM is part %u of a %u-part WIM", + hdr->part_number, hdr->total_parts); return WIMLIB_ERR_SPLIT_UNSUPPORTED; } p = get_u32(p, &hdr->image_count); - DEBUG("part_number = %u, total_parts = %u, image_count = %u\n", - hdr->part_number, hdr->total_parts, hdr->image_count); + DEBUG("part_number = %u, total_parts = %u, image_count = %u", + hdr->part_number, hdr->total_parts, hdr->image_count); /* Byte 48 */ @@ -139,9 +140,9 @@ int read_header(FILE *fp, struct wim_header *hdr, int split_ok) err: if (feof(fp)) - ERROR("Unexpected EOF while reading WIM header!\n"); + ERROR("Unexpected EOF while reading WIM header"); else - ERROR("Error reading WIM header: %m\n"); + ERROR_WITH_ERRNO("Error reading WIM header"); return WIMLIB_ERR_READ; } @@ -151,13 +152,13 @@ err: * @hdr: A pointer to a struct wim_header structure that describes the header. * @out: The FILE* for the output file, positioned at the appropriate * place (the beginning of the file). - * @return: True on success, false on failure. + * @return: Zero on success, nonzero on failure. */ -int write_header(const struct wim_header *hdr, FILE *out) +int write_header(const struct wim_header *hdr, FILE *out_fp) { u8 buf[WIM_HEADER_DISK_SIZE]; u8 *p; - DEBUG("Writing WIM header.\n"); + DEBUG("Writing WIM header."); p = put_bytes(buf, WIM_MAGIC_LEN, wim_magic_chars); p = put_u32(p, WIM_HEADER_DISK_SIZE); @@ -180,8 +181,8 @@ int write_header(const struct wim_header *hdr, FILE *out) p = put_u32(p, hdr->boot_idx); p = put_resource_entry(p, &hdr->integrity); memset(p, 0, WIM_UNUSED_LEN); - if (fwrite(buf, 1, sizeof(buf), out) != sizeof(buf)) { - DEBUG("Failed to write WIM header: %m\n"); + if (fwrite(buf, 1, sizeof(buf), out_fp) != sizeof(buf)) { + ERROR_WITH_ERRNO("Failed to write WIM header"); return WIMLIB_ERR_WRITE; } return 0; @@ -199,14 +200,14 @@ int init_header(struct wim_header *hdr, int ctype) break; case WIM_COMPRESSION_TYPE_LZX: hdr->flags = WIM_HDR_FLAG_COMPRESSION | - WIM_HDR_FLAG_COMPRESS_LZX; + WIM_HDR_FLAG_COMPRESS_LZX; break; case WIM_COMPRESSION_TYPE_XPRESS: hdr->flags = WIM_HDR_FLAG_COMPRESSION | - WIM_HDR_FLAG_COMPRESS_XPRESS; + WIM_HDR_FLAG_COMPRESS_XPRESS; break; default: - ERROR("Invalid compression type specified (%d)!\n", ctype); + ERROR("Invalid compression type specified (%d)", ctype); return WIMLIB_ERR_INVALID_COMPRESSION_TYPE; } hdr->total_parts = 1;