Latest and greatest

 -Erik

2 files changed, 96 insertions, 43 deletions

diff --git a/archival/gzip.c b/archival/gzip.c
index 500d6d7..8f2c1c4 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -12,10 +12,11 @@
 //#endif
 
 static const char gzip_usage[] =
-    "gzip [OPTION]... [FILE]...\n\n"
-    "Compress FILEs with maximum compression.\n\n"
+    "gzip [OPTION]... FILE\n\n"
+    "Compress FILE with maximum compression.\n"
+    "When FILE is -, reads standard input.  Implies -c.\n\n"
     "Options:\n"
-    "\t-c\tWrite output on standard output\n";
+    "\t-c\tWrite output to standard output instead of FILE.gz\n";
 
 
 /* gzip.h -- common declarations for all gzip modules
@@ -1731,7 +1732,6 @@ DECLARE(uch, window, 2L*WSIZE);
 
 int ascii = 0;        /* convert end-of-lines to local OS conventions */
 int decompress = 0;   /* decompress (-d) */
-int tostdout = 0;     /* uncompress to stdout (-c) */
 int no_name = -1;     /* don't save or restore the original file name */
 int no_time = -1;     /* don't save or restore the original file time */
 int foreground;       /* set if program run in foreground */
@@ -1770,13 +1770,25 @@ unsigned outcnt;           /* bytes in output buffer */
 //    char **argv;
 int gzip_main(int argc, char ** argv)
 {
-
+    int result;
     int inFileNum;
     int outFileNum;
+    struct stat statBuf;
+    char* delFileName; 
+    int tostdout = 0;
+    int fromstdin = 0;
+
+    if (argc==1)
+	usage(gzip_usage);
 
     /* Parse any options */
     while (--argc > 0 && **(++argv) == '-') {
+	if (*((*argv)+1) == '\0') {
+	    fromstdin = 1;
+	    tostdout = 1;
+	}
 	while (*(++(*argv))) {
+	    fprintf(stderr, "**argv='%c'\n", **argv);
 	    switch (**argv) {
 	    case 'c':
 		tostdout = 1;
@@ -1817,64 +1829,81 @@ int gzip_main(int argc, char ** argv)
     ALLOC(ush, tab_prefix1, 1L<<(BITS-1));
 #endif
 
-    if (tostdout==1) {
-	/* And get to work */
-	SET_BINARY_MODE(fileno(stdout));
-	strcpy(ifname, "stdin");
-	strcpy(ofname, "stdout");
-	inFileNum=fileno(stdin);
-	outFileNum=fileno(stdout);
+    if (fromstdin==1) {
+	strcpy(ofname, "stdin");
 
-	/* Get the time stamp on the input file. */
+	inFileNum=fileno(stdin);
 	time_stamp = 0; /* time unknown by default */
-
 	ifile_size = -1L; /* convention for unknown size */
-
-	clear_bufs(); /* clear input and output buffers */
-	part_nb = 0;
-
-	/* Actually do the compression/decompression. */
-	zip(inFileNum, outFileNum);
-
     } else {
-	int result;
-	struct stat statBuf;
-
-	/* And get to work */
+	/* Open up the input file */
 	if (*argv=='\0')
 	    usage(gzip_usage);
 	strncpy(ifname, *argv, MAX_PATH_LEN);
-	strncpy(ofname, *argv, MAX_PATH_LEN-4);
-	strcat(ofname, ".gz");
 
+	/* Open input fille */
 	inFileNum=open( ifname, O_RDONLY);
 	if (inFileNum < 0) {
 	    perror(ifname);
 	    do_exit(WARNING);
 	}
+	/* Get the time stamp on the input file. */
 	result = stat(ifname, &statBuf);
 	if (result < 0) {
 	    perror(ifname);
 	    do_exit(WARNING);
 	}
+	time_stamp = statBuf.st_ctime;
+	ifile_size = statBuf.st_size;
+    }
+
 
-	outFileNum=open( ofname, O_RDONLY);
+    if (tostdout==1) {
+	/* And get to work */
+	strcpy(ofname, "stdout");
+	outFileNum=fileno(stdout);
+	SET_BINARY_MODE(fileno(stdout));
+
+	clear_bufs(); /* clear input and output buffers */
+	part_nb = 0;
+
+	/* Actually do the compression/decompression. */
+	zip(inFileNum, outFileNum);
+
+    } else {
+
+	/* And get to work */
+	strncpy(ofname, ifname, MAX_PATH_LEN-4);
+	strcat(ofname, ".gz");
+
+
+	/* Open output fille */
+	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW);
 	if (outFileNum < 0) {
 	    perror(ofname);
 	    do_exit(WARNING);
 	}
 	SET_BINARY_MODE(outFileNum);
-
-	/* Get the time stamp on the input file. */
-	time_stamp = statBuf.st_ctime; /* time unknown by default */
-
-	ifile_size = statBuf.st_size; /* convention for unknown size */
+	/* Set permissions on the file */
+	fchmod(outFileNum, statBuf.st_mode);
 
 	clear_bufs(); /* clear input and output buffers */
 	part_nb = 0;
 
 	/* Actually do the compression/decompression. */
-	zip(inFileNum, outFileNum);
+	result=zip(inFileNum, outFileNum);
+	close( outFileNum);
+	close( inFileNum);
+	/* Delete the original file */
+	if (result == OK)
+	    delFileName=ifname;
+	else
+	    delFileName=ofname;
+
+	if (unlink (delFileName) < 0) {
+	    perror (delFileName);
+	    exit( FALSE);
+	}
     }
 
     do_exit(exit_code);
@@ -3198,6 +3227,7 @@ int zip(in, out)
 
     /* Write the header to the gzip file. See algorithm.doc for the format */
 
+
     method = DEFLATED;
     put_byte(GZIP_MAGIC[0]); /* magic header */
     put_byte(GZIP_MAGIC[1]);
diff --git a/archival/tar.c b/archival/tar.c
index ed6f3b6..5478af8 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -10,6 +10,9 @@
  * Modified for busybox by Erik Andersen <andersee@debian.org>
  * Adjusted to grok stdin/stdout options.
  *
+ * Modified to handle device special files by Matt Porter
+ * <porter@debian.org>
+ *
  * 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 of the License, or
@@ -34,6 +37,7 @@
 #include <fcntl.h>
 #include <signal.h>
 #include <time.h>
+#include <sys/types.h>
 
 
 static const char tar_usage[] =
@@ -377,12 +381,15 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
     int uid;
     int gid;
     int checkSum;
+    int major;
+    int minor;
     long size;
     time_t mtime;
     const char *name;
     int cc;
     int hardLink;
     int softLink;
+    int devFileFlag;
 
     /* 
      * If the block is completely empty, then this is the end of the
@@ -411,6 +418,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
     size = getOctal (hp->size, sizeof (hp->size));
     mtime = getOctal (hp->mtime, sizeof (hp->mtime));
     checkSum = getOctal (hp->checkSum, sizeof (hp->checkSum));
+    major = getOctal (hp->devMajor, sizeof (hp->devMajor));
+    minor = getOctal (hp->devMinor, sizeof (hp->devMinor));
 
     if ((mode < 0) || (uid < 0) || (gid < 0) || (size < 0)) {
 	if (badHeader==FALSE)
@@ -423,6 +432,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
 
     badHeader = FALSE;
     skipFileFlag = FALSE;
+    devFileFlag = FALSE;
 
     /* 
      * Check for the file modes.
@@ -434,12 +444,10 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
 		(hp->typeFlag == TAR_TYPE_SOFT_LINK - '0'));
 
     /* 
-     * Check for a directory or a regular file.
+     * Check for a directory.
      */
     if (name[strlen (name) - 1] == '/')
 	mode |= S_IFDIR;
-    else if ((mode & S_IFMT) == 0)
-	mode |= S_IFREG;
 
     /* 
      * Check for absolute paths in the file.
@@ -462,7 +470,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
      * If not, then set up to skip it.
      */
     if (wantFileName (name, fileCount, fileTable) == FALSE) {
-	if (!hardLink && !softLink && S_ISREG (mode)) {
+	if ( !hardLink && !softLink && (S_ISREG (mode) || S_ISCHR (mode)
+		    || S_ISBLK (mode) || S_ISSOCK(mode) || S_ISFIFO(mode) ) ) {
 	    inHeader = (size == 0)? TRUE : FALSE;
 	    dataCc = size;
 	}
@@ -487,7 +496,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
 	    printf (" (link to \"%s\")", hp->linkName);
 	else if (softLink)
 	    printf (" (symlink to \"%s\")", hp->linkName);
-	else if (S_ISREG (mode)) {
+	else if (S_ISREG (mode) || S_ISCHR (mode) || S_ISBLK (mode) || 
+		S_ISSOCK(mode) || S_ISFIFO(mode) ) {
 	    inHeader = (size == 0)? TRUE : FALSE;
 	    dataCc = size;
 	}
@@ -543,8 +553,17 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
      */
     if (tostdoutFlag == TRUE)
 	outFd = STDOUT;
-    else
-	outFd = open (name, O_WRONLY | O_CREAT | O_TRUNC, mode);
+    else {
+	if ( S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) ) {
+	    devFileFlag = TRUE;
+	    outFd = mknod (name, mode, makedev(major, minor) );
+	}
+	else if (S_ISFIFO(mode) ) {
+	    outFd = mkfifo(name, mode);
+	} else {
+	    outFd = open (name, O_WRONLY | O_CREAT | O_TRUNC, mode);
+	}
+    }
 
     if (outFd < 0) {
 	perror (name);
@@ -555,7 +574,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
     /* 
      * If the file is empty, then that's all we need to do.
      */
-    if (size == 0 && tostdoutFlag == FALSE) {
+    if (size == 0 && (tostdoutFlag == FALSE) && (devFileFlag == FALSE)) {
 	(void) close (outFd);
 	outFd = -1;
     }
@@ -735,12 +754,16 @@ static void saveFile (const char *fileName, int seeLinks)
 
 	return;
     }
-
     if (S_ISREG (mode)) {
 	saveRegularFile (fileName, &statbuf);
 
 	return;
     }
+    
+    /* Some day add support for tarring these up... but not today. :) */
+//  if (S_ISLNK(mode) || S_ISFIFO(mode) || S_ISBLK(mode) || S_ISCHR (mode) ) {
+//	fprintf (stderr, "%s: This version of tar can't store this type of file\n", fileName);
+//  }
 
     /* 
      * The file is a strange type of file, ignore it.