[LinuxBIOS] r470 - LinuxBIOSv3/util/lar
svn at openbios.org
svn at openbios.org
Mon Aug 20 01:31:58 CEST 2007
Author: stepan
Date: 2007-08-20 01:31:58 +0200 (Mon, 20 Aug 2007)
New Revision: 470
Removed:
LinuxBIOSv3/util/lar/create.c
LinuxBIOSv3/util/lar/extract.c
LinuxBIOSv3/util/lar/list.c
Modified:
LinuxBIOSv3/util/lar/Makefile
LinuxBIOSv3/util/lar/lar.c
LinuxBIOSv3/util/lar/lar.h
LinuxBIOSv3/util/lar/lib.c
LinuxBIOSv3/util/lar/lib.h
Log:
In preparation for adding new LAR functionality - this patch
consolidates
creating and accessing the LAR into new code utilizing mmap which
facilitates moving about within the archive.
This code also turns the bootblock path name as a constant value.
It also requires that the user specify a size when the LAR is
created.
This patch was missing do_no_uncompress() which was fixed before
commit. This part should be reviewed.
Signed-off-by: Jordan crouse <jordan.crouse at amd.com>
Acked-by: Stefan Reinauer <stepan at coresystems.de>
Modified: LinuxBIOSv3/util/lar/Makefile
===================================================================
--- LinuxBIOSv3/util/lar/Makefile 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/Makefile 2007-08-19 23:31:58 UTC (rev 470)
@@ -18,7 +18,7 @@
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
##
-LAROBJ := lar.o create.o extract.o list.o lib.o bootblock.o
+LAROBJ := lar.o stream.o lib.o
LARDIR := lardir
Deleted: LinuxBIOSv3/util/lar/create.c
===================================================================
--- LinuxBIOSv3/util/lar/create.c 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/create.c 2007-08-19 23:31:58 UTC (rev 470)
@@ -1,278 +0,0 @@
-/*
- * lar - LinuxBIOS archiver
- *
- * Copyright (C) 2006-2007 coresystems GmbH
- * (Written by Stefan Reinauer <stepan at coresystems.de> for coresystems GmbH)
- * Copyright (C) 2007 Patrick Georgi <patrick at georgi-clan.de>
- *
- * 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; version 2 of the License.
- *
- * 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <netinet/in.h>
-#include <libgen.h>
-
-#include "lib.h"
-#include "lar.h"
-
-extern enum compalgo algo;
-
-void compress_impossible(char *in, u32 in_len, char *out, u32 *out_len)
-{
- fprintf(stderr,
- "The selected compression algorithm wasn't compiled in.\n");
- exit(1);
-}
-
-void do_no_compress(char *in, u32 in_len, char *out, u32 *out_len)
-{
- memcpy(out, in, in_len);
- out_len[0] = in_len;
-}
-
-int create_lar(const char *archivename, struct file *files)
-{
- int i, ret;
- int diff = 0;
- int bb_header_len = 0;
- FILE *archive, *source;
- char *tempmem;
- char *filebuf, *filetarget;
- char *pathname;
- u32 *walk;
- u32 csum;
- int pathlen, entrylen, filelen;
- u32 compfilelen;
- long currentsize = 0;
- struct lar_header *header;
- struct stat statbuf;
- enum compalgo thisalgo;
-
- if (!files) {
- fprintf(stderr, "No files for archive %s\n", archivename);
- exit(1);
- }
-
- if (verbose())
- printf("Opening %s\n", archivename);
-
- archive = fopen(archivename, "w");
- if (!archive) {
- fprintf(stderr, "Could not open archive %s for writing\n",
- archivename);
- exit(1);
- }
-
- while (files) {
- char *name = files->name;
-
- thisalgo = algo;
-
- if (strstr(name, "nocompress:") == name) {
- name += 11;
- thisalgo = none;
- }
-
- /* skip ./ if available */
- if (name[0] == '.' && name[1] == '/')
- name += 2;
-
- if (verbose())
- printf(" Adding %s to archive\n", name);
-
- ret = stat(name, &statbuf);
- if (ret) {
- fprintf(stderr, "No such file %s\n", name);
- exit(1);
- }
- filelen = statbuf.st_size;
-
- tempmem = malloc(sizeof(struct lar_header) + MAX_PATHLEN
- + filelen + 16);
- if (!tempmem) {
- fprintf(stderr, "Out of memory.\n");
- return (1);
- }
- memset(tempmem, 0, sizeof(struct lar_header) + MAX_PATHLEN
- + filelen + 16);
-
- header = (struct lar_header *)tempmem;
- pathname = tempmem + sizeof(struct lar_header);
- pathlen = snprintf(pathname, MAX_PATHLEN - 1, name) + 1;
- pathlen = (pathlen + 15) & 0xfffffff0; /* Align to 16 bytes. */
-
- /* Read file into memory. */
- filebuf = malloc(filelen);
- filetarget = pathname + pathlen;
- source = fopen(name, "r");
- if (!source) {
- fprintf(stderr, "No such file %s\n", name);
- exit(1);
- }
- fread(filebuf, filelen, 1, source);
- fclose(source);
- compress_functions[thisalgo](filebuf, filelen, filetarget,
- &compfilelen);
- if ((compfilelen >= filelen) && (thisalgo != none)) {
- thisalgo = none;
- compress_functions[thisalgo](filebuf, filelen,
- filetarget, &compfilelen);
- }
- free(filebuf);
-
- /* Create correct header. */
- memcpy(header, MAGIC, 8);
- header->compression = htonl(thisalgo);
- header->reallen = htonl(filelen);
- header->len = htonl(compfilelen);
- header->offset = htonl(sizeof(struct lar_header) + pathlen);
-
- /* Calculate checksum. */
- csum = 0;
- for (walk = (u32 *) tempmem;
- walk < (u32 *) (tempmem + compfilelen +
- sizeof(struct lar_header) + pathlen);
- walk++) {
- csum += ntohl(*walk);
- }
- header->checksum = htonl(csum);
-
- /* Write out entry to archive. */
- entrylen = (compfilelen + pathlen + sizeof(struct lar_header) +
- 15) & 0xfffffff0;
-
- fwrite(tempmem, entrylen, 1, archive);
-
- free(tempmem);
-
- /* size counter */
- currentsize += entrylen;
-
- files = files->next;
- }
-
- /* Calculate difference, if a size has been specified.
- * If diff is below zero, the size has been exceeded.
- * If diff is above zero, it specifies the number of
- * padding bytes required for the image.
- * Otherwise diff stays 0 and no action is taken below.
- */
- if (get_larsize())
- diff = get_larsize() - currentsize;
-
- /* If there's a bootblock loaded, some space is required
- * _after_ the padding.
- * Calculate this size here, but write the bootblock later.
- */
-
- if (bootblock_len) {
- if (verbose())
- printf("Detected bootblock of %d bytes\n",
- bootblock_len);
-
- bb_header_len = sizeof(struct lar_header) +
- ((strlen(basename(get_bootblock())) + 15) & 0xfffffff0);
-
- bb_header_len = (bb_header_len + 15) & 0xfffffff0;
-
- if (verbose())
- printf("Required bootblock header of %d bytes\n",
- bb_header_len);
-
- diff -= bootblock_len;
- diff -= bb_header_len;
- }
-
- /* The image became too big. Print an error message and exit,
- * deleting the file. So nobody used an invalid image by accident.
- *
- * Don't delete the image in "Out of memory" situations. If memory
- * is _that_ tight that a few bytes don't fit anymore, everything
- * else will fail as well, so just print an error and exit the
- * program as soon as possible.
- */
-
- if (diff < 0) {
- fprintf(stderr,
- "Error: LAR archive exceeded size (%ld > %ld)\n",
- currentsize, get_larsize());
-
- /* Open files can not be deleted. */
- fclose(archive);
- /* File is too big, delete it. */
- unlink(archivename);
- return -1;
- }
-
- /* Pad the image. */
-
- if (diff > 0) {
- char *padding;
- /* generate padding (0xff is flash friendly) */
- padding = malloc(diff);
- if (!padding) {
- fprintf(stderr, "Out of memory.\n");
- exit(1);
- }
- memset(padding, 0xff, diff);
- fwrite(padding, diff, 1, archive);
- free(padding);
- }
-
- if (bootblock_len) {
- char *bootblock_header;
- struct lar_header *bb;
-
- bootblock_header = malloc(bb_header_len);
- if (!bootblock_header) {
- fprintf(stderr, "Out of memory.\n");
- exit(1);
- }
-
- memset(bootblock_header, 0, bb_header_len);
-
- /* construct header */
- bb = (struct lar_header *)bootblock_header;
- memcpy(bb->magic, MAGIC, 8);
- bb->reallen = htonl(bootblock_len);
- bb->len = htonl(bootblock_len);
- bb->offset = htonl(bb_header_len);
-
- /* TODO checksum */
-
- /* Write filename. we calculated the buffer size,
- * so no overflow danger here.
- */
- strcpy(bootblock_header + sizeof(struct lar_header),
- basename(get_bootblock()));
-
- fwrite(bootblock_header, bb_header_len, 1, archive);
- fwrite(bootblock_code, bootblock_len, 1, archive);
- }
-
- fclose(archive);
-
- if (verbose())
- printf("done.\n");
-
- return 0;
-}
Deleted: LinuxBIOSv3/util/lar/extract.c
===================================================================
--- LinuxBIOSv3/util/lar/extract.c 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/extract.c 2007-08-19 23:31:58 UTC (rev 470)
@@ -1,155 +0,0 @@
-/*
- * lar - LinuxBIOS archiver
- *
- * Copyright (C) 2006-2007 coresystems GmbH
- * (Written by Stefan Reinauer <stepan at coresystems.de> for coresystems GmbH)
- * Copyright (C) 2007 Patrick Georgi <patrick at georgi-clan.de>
- *
- * 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; version 2 of the License.
- *
- * 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <netinet/in.h>
-
-#include "lib.h"
-#include "lar.h"
-
-void uncompress_impossible(char *dst, char *src, u32 len)
-{
- fprintf(stderr,
- "Cannot uncompress data (algorithm not compiled in).\n");
- exit(1);
-}
-
-void do_no_uncompress(char *dst, char *src, u32 len)
-{
- memcpy(dst, src, len);
-}
-
-int extract_lar(const char *archivename, struct file *files)
-{
- int archivefile;
- char *inmap;
- char *walk;
- char *fullname, *pathname, *pos;
- struct lar_header *header;
- struct stat statbuf;
- int archivelen;
- int do_extract;
- int i;
-
- if (stat(archivename, &statbuf) != 0) {
- printf("Error opening %s: %s\n", archivename, strerror(errno));
- exit(1);
- }
-
- if (verbose())
- printf("Opening %s\n", archivename);
-
- archivefile = open(archivename, O_RDONLY);
- if (archivefile == -1) {
- printf("Error while opening %s: %s\n",
- archivename, strerror(errno));
- exit(1);
- }
- archivelen = statbuf.st_size;
-
- inmap = mmap(NULL, statbuf.st_size, PROT_READ,
- MAP_SHARED, archivefile, 0);
-
- for (walk = inmap; walk < inmap + statbuf.st_size; walk += 16) {
- FILE *file_to_extract;
-
- if (strcmp(walk, MAGIC) != 0)
- continue;
-
- header = (struct lar_header *)walk;
- fullname = walk + sizeof(struct lar_header);
-
- /* FIXME: check checksum. */
-
- do_extract = 1;
- if (files) {
- struct file *fwalk = files;
- do_extract = 0;
- while (fwalk) {
- if (strcmp(fullname, fwalk->name) == 0) {
- do_extract = 1;
- break;
- }
- fwalk = fwalk->next;
- }
- }
-
- /* Don't extract this one, skip it. */
- if (!do_extract)
- continue;
-
- if (verbose())
- printf(" Extracting file %s\n",
- walk + sizeof(struct lar_header));
-
- /* Create the directory if it does not exist. */
- pathname = strdup(fullname);
- if (!pathname) {
- fprintf(stderr, "Out of memory.\n");
- exit(1);
- }
-
- pos = strrchr(pathname, '/');
- if (pos) {
- pos[1] = 0;
- /* printf("Pathname %s\n",pathname); */
- mkdirp_below(".", pathname, 0755);
- }
- free(pathname);
-
- file_to_extract = fopen(fullname, "w");
- if (!file_to_extract) {
- fprintf(stderr, "error creating file %s.\n", fullname);
- exit(1);
- }
-
- if (ntohl(header->compression) == none) {
- fwrite(walk + ntohl(header->offset),
- ntohl(header->len), 1, file_to_extract);
- } else {
- char *buf = malloc(ntohl(header->reallen));
- uncompress_functions[ntohl(header->compression)](buf,
- walk + ntohl(header->offset), ntohl(header->len));
- fwrite(buf, ntohl(header->reallen), 1, file_to_extract);
- free(buf);
- }
- fclose(file_to_extract);
-
- walk += (ntohl(header->offset) + ntohl(header->len)
- - 1) & 0xfffffff0;
- }
-
- munmap(inmap, statbuf.st_size);
- close(archivefile);
-
- if (verbose())
- printf("done.\n");
-
- return 0;
-}
Modified: LinuxBIOSv3/util/lar/lar.c
===================================================================
--- LinuxBIOSv3/util/lar/lar.c 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/lar.c 2007-08-19 23:31:58 UTC (rev 470)
@@ -62,6 +62,64 @@
return bootblock;
}
+int create_lar(const char *archivename, struct file *files)
+{
+ struct lar *lar = lar_new_archive(archivename, larsize);
+
+ if (lar == NULL) {
+ fprintf(stderr, "Unable to create %s as a LAR archive.\n",
+ archivename);
+ exit(1);
+ }
+
+ for( ; files; files = files->next) {
+ if (lar_add_file(lar, files->name)) {
+ fprintf(stderr, "Error adding %s to the LAR.\n", files->name);
+ lar_close_archive(lar);
+ exit(1);
+ }
+ }
+
+ if (lar_add_bootblock(lar, bootblock)) {
+ fprintf(stderr, "Error adding the bootblock to the LAR.\n");
+ lar_close_archive(lar);
+ exit(1);
+ }
+
+ lar_close_archive(lar);
+ return 0;
+}
+
+int list_lar(const char *archivename, struct file *files)
+{
+ struct lar *lar = lar_open_archive(archivename);
+
+ if (lar == NULL) {
+ fprintf(stderr, "Unable to open LAR archive %s\n", archivename);
+ exit(1);
+ }
+
+ lar_list_files(lar, files);
+ lar_close_archive(lar);
+ return 0;
+}
+
+int extract_lar(const char *archivename, struct file *files)
+{
+ int ret;
+
+ struct lar *lar = lar_open_archive(archivename);
+
+ if (lar == NULL) {
+ fprintf(stderr, "Unable to open LAR archive %s\n", archivename);
+ exit(1);
+ }
+
+ ret = lar_extract_files(lar, files);
+ lar_close_archive(lar);
+ return ret;
+}
+
int main(int argc, char *argv[])
{
int opt;
@@ -173,16 +231,9 @@
/* adding a bootblock only makes sense when creating a lar */
if (!larsize) {
- printf("Warning: When specifying a bootblock "
- "you should also set an archive size.\n");
+ printf("When creating a LAR archive, you must specify an archive size.\n");
+ exit(1);
}
-
- /* load the bootblock */
- if (larmode == CREATE) {
- load_bootblock(bootblock);
- fixup_bootblock();
- }
-
}
if (optind < argc) {
Modified: LinuxBIOSv3/util/lar/lar.h
===================================================================
--- LinuxBIOSv3/util/lar/lar.h 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/lar.h 2007-08-19 23:31:58 UTC (rev 470)
@@ -54,7 +54,11 @@
#define MAX_PATHLEN 1024
#define BOOTBLOCK_SIZE 16384
+#define BOOTBLOCK_NAME "bootblock"
+#define BOOTBLOCK_NAME_LEN 16
+
typedef uint32_t u32;
+typedef uint8_t u8;
struct lar_header {
char magic[8];
@@ -71,6 +75,16 @@
u32 compression;
};
+/**\struct
+ * A structure containing information about a currently open and mapped
+ * LAR archive
+ */
+struct lar {
+ int fd; /**< The file descriptor of the open archive */
+ u8 *map; /**< A pointer to the mmap()ed file */
+ u32 size; /**< Size of the mmaped file */
+};
+
enum compalgo { none = 0, lzma = 1, nrv2b = 2 };
typedef void (*compress_func) (char *, u32, char *, u32 *);
Modified: LinuxBIOSv3/util/lar/lib.c
===================================================================
--- LinuxBIOSv3/util/lar/lib.c 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/lib.c 2007-08-19 23:31:58 UTC (rev 470)
@@ -29,6 +29,7 @@
#include <sys/stat.h>
#include <sys/types.h>
+#include "lar.h"
#include "lib.h"
#define MAX_PATH 1024
@@ -36,6 +37,46 @@
static struct file *files = NULL;
/**
+ * The default "compress impossible" hook to call when no other compression
+ * is used
+ */
+void compress_impossible(char *in, u32 in_len, char *out, u32 *out_len)
+{
+ fprintf(stderr,
+ "The selected compression algorithm wasn't compiled in.\n");
+ exit(1);
+}
+
+/**
+ * The default "compress" hook to call when no other compression is used
+ */
+void do_no_compress(char *in, u32 in_len, char *out, u32 *out_len)
+{
+ memcpy(out, in, in_len);
+ out_len[0] = in_len;
+}
+
+/**
+ * The default "uncompress" hook to call when no other compression is used
+ */
+
+void do_no_uncompress(char *dst, char *src, u32 len)
+{
+ memcpy(dst, src, len);
+}
+
+/**
+ * The default "uncompress" hook to call when no other compression is used
+ */
+void uncompress_impossible(char *dst, char *src, u32 len)
+{
+ fprintf(stderr,
+ "Cannot uncompress data (algorithm not compiled in).\n");
+ exit(1);
+}
+
+
+/**
* Create a new directory including any missing parent directories.
*
* NOTE: This function does not do complete path resolution as described in
@@ -114,6 +155,12 @@
return ret;
}
+
+int mkdirp(const char *dirpath, mode_t mode)
+{
+ return mkdirp_below(".", dirpath, mode);
+}
+
static int handle_directory(const char *name)
{
int n;
Modified: LinuxBIOSv3/util/lar/lib.h
===================================================================
--- LinuxBIOSv3/util/lar/lib.h 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/lib.h 2007-08-19 23:31:58 UTC (rev 470)
@@ -49,6 +49,16 @@
struct file *get_files(void);
void free_files(void);
+/* Prototypes for the LAR I/O functions */
+struct lar * lar_new_archive(const char *archive, unsigned int size);
+struct lar * lar_open_archive(const char *archive);
+void lar_close_archive(struct lar *lar);
+
+void lar_list_files(struct lar *lar, struct file *files);
+int lar_add_file(struct lar *lar, const char *name);
+int lar_add_bootblock(struct lar *lar, const char *bootblock);
+int lar_extract_files(struct lar *lar, struct file *files);
+
/* prototypes for extract.c functions */
int extract_lar(const char *archivename, struct file *files);
Deleted: LinuxBIOSv3/util/lar/list.c
===================================================================
--- LinuxBIOSv3/util/lar/list.c 2007-08-19 22:58:42 UTC (rev 469)
+++ LinuxBIOSv3/util/lar/list.c 2007-08-19 23:31:58 UTC (rev 470)
@@ -1,121 +0,0 @@
-/*
- * lar - LinuxBIOS archiver
- *
- * Copyright (C) 2006-2007 coresystems GmbH
- * (Written by Stefan Reinauer <stepan at coresystems.de> for coresystems GmbH)
- * Copyright (C) 2007 Patrick Georgi <patrick at georgi-clan.de>
- *
- * 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; version 2 of the License.
- *
- * 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <netinet/in.h>
-
-#include "lib.h"
-#include "lar.h"
-
-int list_lar(const char *archivename, struct file *files)
-{
- int archivefile;
- char *inmap;
- char *walk;
- char *fullname;
- struct lar_header *header;
- struct stat statbuf;
- int archivelen;
- int do_extract;
- int i;
-
- if (stat(archivename, &statbuf) != 0) {
- fprintf(stderr, "Error opening %s: %s\n",
- archivename, strerror(errno));
- exit(1);
- }
-
- if (verbose())
- printf("Opening %s\n", archivename);
-
- archivefile = open(archivename, O_RDONLY);
- if (archivefile == -1) {
- printf("Error while opening %s: %s\n",
- archivename, strerror(errno));
- exit(1);
- }
- archivelen = statbuf.st_size;
-
- inmap = mmap(NULL, statbuf.st_size, PROT_READ,
- MAP_SHARED, archivefile, 0);
-
- for (walk = inmap; walk < inmap + statbuf.st_size; walk += 16) {
- if (strcmp(walk, MAGIC) != 0)
- continue;
-
- header = (struct lar_header *)walk;
- fullname = walk + sizeof(struct lar_header);
-
- do_extract = 1;
- if (files) {
- struct file *fwalk = files;
- do_extract = 0;
- while (fwalk) {
- if (strcmp(fullname, fwalk->name) == 0) {
- do_extract = 1;
- break;
- }
- fwalk = fwalk->next;
- }
- }
-
- /* Don't extract this one, skip it. */
- if (!do_extract) {
- continue;
- }
-
- printf(" %s ", walk + sizeof(struct lar_header));
-
- if (ntohl(header->compression) == none) {
- printf("(%d bytes @0x%lx)\n",
- ntohl(header->len),
- (unsigned long)(walk - inmap) +
- ntohl(header->offset));
- } else {
- printf("(%d bytes, %s compressed to %d bytes "
- "@0x%lx)\n",
- ntohl(header->reallen),
- algo_name[ntohl(header->compression)],
- ntohl(header->len),
- (unsigned long)(walk - inmap) +
- ntohl(header->offset));
- }
-
- walk += (ntohl(header->len) + ntohl(header->offset)
- - 1) & 0xfffffff0;
- }
-
- munmap(inmap, statbuf.st_size);
- close(archivefile);
-
- if (verbose())
- printf("done.\n");
-
- return 0;
-}
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