patch-2.1.35 linux/arch/i386/boot/compressed/xtract.c

• Lines: 87
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.34/linux/arch/i386/boot/compressed/xtract.c
• Orig date: Thu Jan 5 03:55:40 1995

diff -u --recursive --new-file v2.1.34/linux/arch/i386/boot/compressed/xtract.c linux/arch/i386/boot/compressed/xtract.c
@@ -1,86 +0,0 @@
-/*
- *  linux/zBoot/xtract.c
- *
- *  Copyright (C) 1993  Hannu Savolainen
- *
- *	Extracts the system image and writes it to the stdout.
- *	based on tools/build.c by Linus Torvalds
- */
-
-#include <stdio.h>	/* fprintf */
-#include <string.h>
-#include <stdlib.h>	/* contains exit */
-#include <sys/types.h>	/* unistd.h needs this */
-#include <sys/stat.h>
-#include <sys/sysmacros.h>
-#include <unistd.h>	/* contains read/write */
-#include <fcntl.h>
-#include <a.out.h>
-
-#define N_MAGIC_OFFSET 1024
-
-static int GCC_HEADER = sizeof(struct exec);
-
-#define STRINGIFY(x) #x
-
-void die(char * str)
-{
-	fprintf(stderr,"%s\n",str);
-	exit(1);
-}
-
-void usage(void)
-{
-	die("Usage: xtract system [ | gzip | piggyback > piggy.s]");
-}
-
-int main(int argc, char ** argv)
-{
-	int i,c,id, sz;
-	char buf[1024];
-	char major_root, minor_root;
-	struct stat sb;
-
-	struct exec *ex = (struct exec *)buf;
-
-	if (argc  != 2)
-		usage();
-	
-	if ((id=open(argv[1],O_RDONLY,0))<0)
-		die("Unable to open 'system'");
-	if (read(id,buf,GCC_HEADER) != GCC_HEADER)
-		die("Unable to read header of 'system'");
-	if (N_MAGIC(*ex) == ZMAGIC) {
-		GCC_HEADER = N_MAGIC_OFFSET;
-		lseek(id, GCC_HEADER, SEEK_SET);
-	} else if (N_MAGIC(*ex) != QMAGIC)
-		die("Non-GCC header of 'system'");
-
-	sz = N_SYMOFF(*ex) - GCC_HEADER + 4;	/* +4 to get the same result than tools/build */
-
-	fprintf(stderr, "System size is %d\n", sz);
-
-	while (sz)
-	{
-		int l, n;
-
-		l = sz;
-		if (l > sizeof(buf)) l = sizeof(buf);
-
-		if ((n=read(id, buf, l)) !=l)
-		{
-			if (n == -1) 
-			   perror(argv[1]);
-			else
-			   fprintf(stderr, "Unexpected EOF\n");
-
-			die("Can't read system");
-		}
-
-		write(1, buf, l);
-		sz -= l;
-	}
-
-	close(id);
-	return(0);
-}