*** empty log message ***

src/gnu.c

@@ -1,5 +1,5 @@
 /* GNU dump extensions to tar.
-   Copyright (C) 1988, 1992 Free Software Foundation
+   Copyright (C) 1988, 1992, 1993 Free Software Foundation
 
 This file is part of GNU Tar.
 
@@ -25,33 +25,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 extern int errno;
 #endif
 #include <time.h>
-time_t time();
+time_t time ();
 
 #include "tar.h"
 #include "port.h"
 
-#if defined(_POSIX_VERSION) || defined(DIRENT)
-#include <dirent.h>
-#ifdef direct
-#undef direct
-#endif /* direct */
-#define direct dirent
-#define DP_NAMELEN(x) strlen((x)->d_name)
-#endif /* _POSIX_VERSION or DIRENT */
-#if !defined(_POSIX_VERSION) && !defined(DIRENT) && defined(BSD42)
-#include <sys/dir.h>
-#define DP_NAMELEN(x)	(x)->d_namlen
-#endif /* not _POSIX_VERSION and BSD42 */
-#ifdef __MSDOS__
-#include "msd_dir.h"
-#define DP_NAMELEN(x)	(x)->d_namlen
-#define direct dirent
-#endif
-#if defined(USG) && !defined(_POSIX_VERSION) && !defined(DIRENT)
-#include <ndir.h>
-#define DP_NAMELEN(x) strlen((x)->d_name)
-#endif /* USG and not _POSIX_VERSION and not DIRENT */
-
 #ifndef S_ISLNK
 #define lstat stat
 #endif
@@ -59,452 +37,498 @@ time_t time();
 extern time_t new_time;
 extern FILE *msg_file;
 
-void addname();
-int check_exclude();
-extern PTR ck_malloc();
-extern PTR ck_realloc();
-int confirm();
-extern PTR init_buffer();
-extern char *get_buffer();
-int is_dot_or_dotdot();
-extern void add_buffer();
-extern void flush_buffer();
-void name_gather();
-int recursively_delete();
-void skip_file();
-char *un_quote_string();
-
-extern char *new_name();
-
-static void add_dir_name();
-
-struct dirname {
-	struct dirname *next;
-	char *name;
-	char *dir_text;
-	int dev;
-	int ino;
-	int allnew;
-};
+void addname ();
+int check_exclude ();
+extern PTR ck_malloc ();
+extern PTR ck_realloc ();
+int confirm ();
+extern PTR init_buffer ();
+extern char *get_buffer ();
+int is_dot_or_dotdot ();
+extern void add_buffer ();
+extern void flush_buffer ();
+void name_gather ();
+int recursively_delete ();
+void skip_file ();
+char *un_quote_string ();
+
+extern char *new_name ();
+
+static void add_dir_name ();
+
+struct dirname
+  {
+    struct dirname *next;
+    char *name;
+    char *dir_text;
+    int dev;
+    int ino;
+    int allnew;
+  };
 static struct dirname *dir_list;
 static time_t this_time;
 
 void
-add_dir(name,dev,ino,text)
-char *name;
-char *text;
-dev_t dev;
-ino_t ino;
+add_dir (name, dev, ino, text)
+     char *name;
+     char *text;
+     dev_t dev;
+     ino_t ino;
 {
-	struct dirname *dp;
-
-	dp=(struct dirname *)malloc(sizeof(struct dirname));
-	if(!dp)
-		abort();
-	dp->next=dir_list;
-	dir_list=dp;
-	dp->dev=dev;
-	dp->ino=ino;
-	dp->name=malloc(strlen(name)+1);
-	strcpy(dp->name,name);
-	dp->dir_text=text;
-	dp->allnew=0;
+  struct dirname *dp;
+
+  dp = (struct dirname *) ck_malloc (sizeof (struct dirname));
+  if (!dp)
+    abort ();
+  dp->next = dir_list;
+  dir_list = dp;
+  dp->dev = dev;
+  dp->ino = ino;
+  dp->name = ck_malloc (strlen (name) + 1);
+  strcpy (dp->name, name);
+  dp->dir_text = text;
+  dp->allnew = 0;
 }
 
 void
-read_dir_file()
+read_dir_file ()
 {
-	int dev;
-	int ino;
-	char *strp;
-	FILE *fp;
-	char buf[512];
-	static char *path = 0;
-
-	if (path == 0)
-		path = ck_malloc(PATH_MAX);
-	time(&this_time);
-	if(gnu_dumpfile[0]!='/') {
-#if defined(__MSDOS__) || defined(USG) || defined(_POSIX_VERSION)
-			if(!getcwd(path,PATH_MAX))
-				msg("Couldn't get current directory.");
-				exit(EX_SYSTEM);
+  int dev;
+  int ino;
+  char *strp;
+  FILE *fp;
+  char buf[512];
+  static char *path = 0;
+
+  if (path == 0)
+    path = ck_malloc (PATH_MAX);
+  time (&this_time);
+  if (gnu_dumpfile[0] != '/')
+    {
+#if defined(__MSDOS__) || defined(HAVE_GETCWD) || defined(_POSIX_VERSION)
+      if (!getcwd (path, PATH_MAX))
+	{
+	  msg ("Couldn't get current directory.");
+	  exit (EX_SYSTEM);
+	}
 #else
-			char *getwd();
+      char *getwd ();
 
-			if(!getwd(path)) {
-				msg("Couldn't get current directory: %s",path);
-				exit(EX_SYSTEM);
-			}
-#endif
-		/* If this doesn't fit, we're in serious trouble */
-		strcat(path,"/");
-		strcat(path,gnu_dumpfile);
-		gnu_dumpfile=path;
-	}
-	fp=fopen(gnu_dumpfile,"r");
-	if(fp==0 && errno!=ENOENT) {
-		msg_perror("Can't open %s",gnu_dumpfile);
-		return;
+      if (!getwd (path))
+	{
+	  msg ("Couldn't get current directory: %s", path);
+	  exit (EX_SYSTEM);
 	}
-	if(!fp)
-		return;
-	fgets(buf,sizeof(buf),fp);
-	if(!f_new_files) {
-		f_new_files++;
-		new_time=atol(buf);
-	}
-	while(fgets(buf,sizeof(buf),fp)) {
-		strp= &buf[strlen(buf)];
-		if(strp[-1]=='\n')
-			strp[-1]='\0';
-		strp=buf;
-		dev=atol(strp);
-		while(isdigit(*strp))
-			strp++;
-		ino=atol(strp);
-		while(isspace(*strp))
-			strp++;
-		while(isdigit(*strp))
-			strp++;
-		strp++;
-		add_dir(un_quote_string(strp),dev,ino,(char *)0);
-	}
-	fclose(fp);
+#endif
+      /* If this doesn't fit, we're in serious trouble */
+      strcat (path, "/");
+      strcat (path, gnu_dumpfile);
+      gnu_dumpfile = path;
+    }
+  fp = fopen (gnu_dumpfile, "r");
+  if (fp == 0 && errno != ENOENT)
+    {
+      msg_perror ("Can't open %s", gnu_dumpfile);
+      return;
+    }
+  if (!fp)
+    return;
+  fgets (buf, sizeof (buf), fp);
+  if (!f_new_files)
+    {
+      f_new_files++;
+      new_time = atol (buf);
+    }
+  while (fgets (buf, sizeof (buf), fp))
+    {
+      strp = &buf[strlen (buf)];
+      if (strp[-1] == '\n')
+	strp[-1] = '\0';
+      strp = buf;
+      dev = atol (strp);
+      while (isdigit (*strp))
+	strp++;
+      ino = atol (strp);
+      while (isspace (*strp))
+	strp++;
+      while (isdigit (*strp))
+	strp++;
+      strp++;
+      add_dir (un_quote_string (strp), dev, ino, (char *) 0);
+    }
+  fclose (fp);
 }
 
 void
-write_dir_file()
+write_dir_file ()
 {
-	FILE *fp;
-	struct dirname *dp;
-	char *str;
-	extern char *quote_copy_string();
-
-	fp=fopen(gnu_dumpfile,"w");
-	if(fp==0) {
-		msg_perror("Can't write to %s",gnu_dumpfile);
-		return;
-	}
-	fprintf(fp,"%lu\n",this_time);
-	for(dp=dir_list;dp;dp=dp->next) {
-		if(!dp->dir_text)
-			continue;
-		str=quote_copy_string(dp->name);
-		if(str) {
-			fprintf(fp,"%u %u %s\n",dp->dev,dp->ino,str);
-			free(str);
-		} else
-			fprintf(fp,"%u %u %s\n",dp->dev,dp->ino,dp->name);
+  FILE *fp;
+  struct dirname *dp;
+  char *str;
+  extern char *quote_copy_string ();
+
+  fp = fopen (gnu_dumpfile, "w");
+  if (fp == 0)
+    {
+      msg_perror ("Can't write to %s", gnu_dumpfile);
+      return;
+    }
+  fprintf (fp, "%lu\n", this_time);
+  for (dp = dir_list; dp; dp = dp->next)
+    {
+      if (!dp->dir_text)
+	continue;
+      str = quote_copy_string (dp->name);
+      if (str)
+	{
+	  fprintf (fp, "%u %u %s\n", dp->dev, dp->ino, str);
+	  free (str);
 	}
-	fclose(fp);
+      else
+	fprintf (fp, "%u %u %s\n", dp->dev, dp->ino, dp->name);
+    }
+  fclose (fp);
 }
 
 struct dirname *
-get_dir(name)
-char *name;
+get_dir (name)
+     char *name;
 {
-	struct dirname *dp;
-
-	for(dp=dir_list;dp;dp=dp->next) {
-		if(!strcmp(dp->name,name))
-			return dp;
-	}
-	return 0;
+  struct dirname *dp;
+
+  for (dp = dir_list; dp; dp = dp->next)
+    {
+      if (!strcmp (dp->name, name))
+	return dp;
+    }
+  return 0;
 }
 
 
 /* Collect all the names from argv[] (or whatever), then expand them into
    a directory tree, and put all the directories at the beginning. */
 void
-collect_and_sort_names()
+collect_and_sort_names ()
 {
-	struct name *n,*n_next;
-	int num_names;
-	struct stat statbuf;
-	int name_cmp();
-	char *merge_sort();
-
-	name_gather();
-
-	if(gnu_dumpfile)
-		read_dir_file();
-	if(!namelist) addname(".");
-	for(n=namelist;n;n=n_next) {
-		n_next=n->next;
-		if(n->found || n->dir_contents)
-			continue;
-		if(n->regexp)		/* FIXME just skip regexps for now */
-			continue;
-		if(n->change_dir)
-			if(chdir(n->change_dir)<0) {
-				msg_perror("can't chdir to %s",n->change_dir);
-				continue;
-			}
+  struct name *n, *n_next;
+  int num_names;
+  struct stat statbuf;
+  int name_cmp ();
+  char *merge_sort ();
+
+  name_gather ();
+
+  if (gnu_dumpfile)
+    read_dir_file ();
+  if (!namelist)
+    addname (".");
+  for (n = namelist; n; n = n_next)
+    {
+      n_next = n->next;
+      if (n->found || n->dir_contents)
+	continue;
+      if (n->regexp)		/* FIXME just skip regexps for now */
+	continue;
+      if (n->change_dir)
+	if (chdir (n->change_dir) < 0)
+	  {
+	    msg_perror ("can't chdir to %s", n->change_dir);
+	    continue;
+	  }
 
 #ifdef AIX
-		if (statx (n->name, &statbuf, STATSIZE, STX_HIDDEN|STX_LINK))
+      if (statx (n->name, &statbuf, STATSIZE, STX_HIDDEN | STX_LINK))
 #else
-		if(lstat(n->name,&statbuf)<0)
+      if (lstat (n->name, &statbuf) < 0)
 #endif /* AIX */
-		{
-			msg_perror("can't stat %s",n->name);
-			continue;
-		}
-		if(S_ISDIR(statbuf.st_mode)) {
-			n->found++;
-			add_dir_name(n->name,statbuf.st_dev);
-		}
+	{
+	  msg_perror ("can't stat %s", n->name);
+	  continue;
 	}
-
-	num_names=0;
-	for(n=namelist;n;n=n->next)
-		num_names++;
-	namelist=(struct name *)merge_sort((PTR)namelist,num_names,(char *)(&(namelist->next))-(char *)namelist,name_cmp);
-
-	for(n=namelist;n;n=n->next) {
-		n->found=0;
+      if (S_ISDIR (statbuf.st_mode))
+	{
+	  n->found++;
+	  add_dir_name (n->name, statbuf.st_dev);
 	}
-	if(gnu_dumpfile)
-		write_dir_file(gnu_dumpfile);
+    }
+
+  num_names = 0;
+  for (n = namelist; n; n = n->next)
+    num_names++;
+  namelist = (struct name *) merge_sort ((PTR) namelist, num_names, (char *) (&(namelist->next)) - (char *) namelist, name_cmp);
+
+  for (n = namelist; n; n = n->next)
+    {
+      n->found = 0;
+    }
+  if (gnu_dumpfile)
+    write_dir_file ();
 }
 
 int
-name_cmp(n1,n2)
-struct name *n1,*n2;
+name_cmp (n1, n2)
+     struct name *n1, *n2;
 {
-	if(n1->found) {
-		if(n2->found)
-			return strcmp(n1->name,n2->name);
-		else
-			return -1;
-	} else if(n2->found)
-		return 1;
-	else
-		return strcmp(n1->name,n2->name);
+  if (n1->found)
+    {
+      if (n2->found)
+	return strcmp (n1->name, n2->name);
+      else
+	return -1;
+    }
+  else if (n2->found)
+    return 1;
+  else
+    return strcmp (n1->name, n2->name);
 }
 
 int
-dirent_cmp(p1,p2)
-const PTR p1;
-const PTR p2;
+dirent_cmp (p1, p2)
+     const PTR p1;
+     const PTR p2;
 {
-	char *frst,*scnd;
+  char *frst, *scnd;
 
-	frst= (*(char **)p1)+1;
-	scnd= (*(char **)p2)+1;
+  frst = (*(char **) p1) + 1;
+  scnd = (*(char **) p2) + 1;
 
-	return strcmp(frst,scnd);
+  return strcmp (frst, scnd);
 }
 
 char *
-get_dir_contents(p,device)
-char *p;
-int device;
+get_dir_contents (p, device)
+     char *p;
+     int device;
 {
-	DIR *dirp;
-	register struct direct *d;
-	char *new_buf;
-	char *namebuf;
-	int bufsiz;
-	int len;
-	PTR the_buffer;
-	char *buf;
-	size_t n_strs;
-/*	int n_size;*/
-	char *p_buf;
-	char **vec,**p_vec;
-
-	extern int errno;
-
-	errno=0;
-	dirp=opendir(p);
-	bufsiz=strlen(p)+NAMSIZ;
-	namebuf=ck_malloc(bufsiz+2);
-	if(!dirp) {
-		if(errno)
-			msg_perror("can't open directory %s",p);
-		else
-			msg("error opening directory %s",p);
-		new_buf=NULL;
-	} else {
-		struct dirname *dp;
-		int all_children;
-
-		dp=get_dir(p);
-		all_children= dp ? dp->allnew : 0;
-		(void) strcpy(namebuf,p);
-		if(p[strlen(p)-1]!='/')
-			(void) strcat(namebuf,"/");
-		len=strlen(namebuf);
-
-		the_buffer=init_buffer();
-		while(d=readdir(dirp)) {
-			struct stat hs;
-
-			/* Skip . and .. */
-			if(is_dot_or_dotdot(d->d_name))
-				continue;
-			if(DP_NAMELEN(d) + len >=bufsiz) {
-				bufsiz+=NAMSIZ;
-				namebuf=ck_realloc(namebuf,bufsiz+2);
-			}
-			(void) strcpy(namebuf+len,d->d_name);
+  DIR *dirp;
+  register struct dirent *d;
+  char *new_buf;
+  char *namebuf;
+  int bufsiz;
+  int len;
+  PTR the_buffer;
+  char *buf;
+  size_t n_strs;
+  /*	int n_size;*/
+  char *p_buf;
+  char **vec, **p_vec;
+
+  extern int errno;
+
+  errno = 0;
+  dirp = opendir (p);
+  bufsiz = strlen (p) + NAMSIZ;
+  namebuf = ck_malloc (bufsiz + 2);
+  if (!dirp)
+    {
+      if (errno)
+	msg_perror ("can't open directory %s", p);
+      else
+	msg ("error opening directory %s", p);
+      new_buf = NULL;
+    }
+  else
+    {
+      struct dirname *dp;
+      int all_children;
+
+      dp = get_dir (p);
+      all_children = dp ? dp->allnew : 0;
+      (void) strcpy (namebuf, p);
+      if (p[strlen (p) - 1] != '/')
+	(void) strcat (namebuf, "/");
+      len = strlen (namebuf);
+
+      the_buffer = init_buffer ();
+      while (d = readdir (dirp))
+	{
+	  struct stat hs;
+
+	  /* Skip . and .. */
+	  if (is_dot_or_dotdot (d->d_name))
+	    continue;
+	  if (NLENGTH (d) + len >= bufsiz)
+	    {
+	      bufsiz += NAMSIZ;
+	      namebuf = ck_realloc (namebuf, bufsiz + 2);
+	    }
+	  (void) strcpy (namebuf + len, d->d_name);
 #ifdef AIX
-			if (0 != f_follow_links?
-			    statx(namebuf, &hs, STATSIZE, STX_HIDDEN):
-			    statx(namebuf, &hs, STATSIZE, STX_HIDDEN|STX_LINK))
+	  if (0 != f_follow_links ?
+	      statx (namebuf, &hs, STATSIZE, STX_HIDDEN) :
+	      statx (namebuf, &hs, STATSIZE, STX_HIDDEN | STX_LINK))
 #else
-			if (0 != f_follow_links? stat(namebuf, &hs): lstat(namebuf, &hs))
+	  if (0 != f_follow_links ? stat (namebuf, &hs) : lstat (namebuf, &hs))
 #endif
-			{
-				msg_perror("can't stat %s",namebuf);
-				continue;
-			}
-			if(   (f_local_filesys && device!=hs.st_dev)
-			   || (f_exclude && check_exclude(namebuf)))
-				add_buffer(the_buffer,"N",1);
+	    {
+	      msg_perror ("can't stat %s", namebuf);
+	      continue;
+	    }
+	  if ((f_local_filesys && device != hs.st_dev)
+	      || (f_exclude && check_exclude (namebuf)))
+	    add_buffer (the_buffer, "N", 1);
 #ifdef AIX
-			else if (S_ISHIDDEN (hs.st_mode)) {
-				add_buffer (the_buffer, "D", 1);
-				strcat (d->d_name, "A");
-				d->d_namlen++;
-			}	
+	  else if (S_ISHIDDEN (hs.st_mode))
+	    {
+	      add_buffer (the_buffer, "D", 1);
+	      strcat (d->d_name, "A");
+	      d->d_namlen++;
+	    }
 #endif /* AIX */
-			else if(S_ISDIR(hs.st_mode)) {
-				if(dp=get_dir(namebuf)) {
-					if(   dp->dev!=hs.st_dev
- 					   || dp->ino!=hs.st_ino) {
-					   	if(f_verbose)
-							msg("directory %s has been renamed.",namebuf);
-						dp->allnew=1;
-						dp->dev=hs.st_dev;
-						dp->ino=hs.st_ino;
-					}
-					dp->dir_text="";
-				} else {
-					if(f_verbose)
-						msg("Directory %s is new",namebuf);
-					add_dir(namebuf,hs.st_dev,hs.st_ino,"");
-					dp=get_dir(namebuf);
-					dp->allnew=1;
-				}
-				if(all_children)
-					dp->allnew=1;
-
-				add_buffer(the_buffer,"D",1);
-			} else if(   !all_children
-   				&& f_new_files
- 				&& new_time>hs.st_mtime
-				&& (   f_new_files>1
- 				    || new_time>hs.st_ctime))
-				add_buffer(the_buffer,"N",1);
-			else
-				add_buffer(the_buffer,"Y",1);
-			add_buffer(the_buffer,d->d_name,(int)(DP_NAMELEN(d)+1));
+	  else if (S_ISDIR (hs.st_mode))
+	    {
+	      if (dp = get_dir (namebuf))
+		{
+		  if (dp->dev != hs.st_dev
+		      || dp->ino != hs.st_ino)
+		    {
+		      if (f_verbose)
+			msg ("directory %s has been renamed.", namebuf);
+		      dp->allnew = 1;
+		      dp->dev = hs.st_dev;
+		      dp->ino = hs.st_ino;
+		    }
+		  dp->dir_text = "";
 		}
-		add_buffer(the_buffer,"\000\000",2);
-		closedir(dirp);
-
-		/* Well, we've read in the contents of the dir, now sort them */
-		buf=get_buffer(the_buffer);
-		if(buf[0]=='\0') {
-			flush_buffer(the_buffer);
-			new_buf=NULL;
-		} else {
-			n_strs=0;
-			for(p_buf=buf;*p_buf;) {
-				int tmp;
-
-				tmp=strlen(p_buf)+1;
-				n_strs++;
-				p_buf+=tmp;
-			}
-			vec=(char **)malloc(sizeof(char *)*(n_strs+1));
-			for(p_vec=vec,p_buf=buf;*p_buf;p_buf+=strlen(p_buf)+1)
-				*p_vec++= p_buf;
-			*p_vec= 0;
-			qsort((PTR)vec,n_strs,sizeof(char *),dirent_cmp);
-			new_buf=(char *)malloc(p_buf-buf+2);
-			for(p_vec=vec,p_buf=new_buf;*p_vec;p_vec++) {
-				char *p_tmp;
-
-				for(p_tmp= *p_vec;*p_buf++= *p_tmp++;)
-					;
-			}
-			*p_buf++='\0';
-			free(vec);
-			flush_buffer(the_buffer);
+	      else
+		{
+		  if (f_verbose)
+		    msg ("Directory %s is new", namebuf);
+		  add_dir (namebuf, hs.st_dev, hs.st_ino, "");
+		  dp = get_dir (namebuf);
+		  dp->allnew = 1;
 		}
+	      if (all_children)
+		dp->allnew = 1;
+
+	      add_buffer (the_buffer, "D", 1);
+	    }
+	  else if (!all_children
+		   && f_new_files
+		   && new_time > hs.st_mtime
+		   && (f_new_files > 1
+		       || new_time > hs.st_ctime))
+	    add_buffer (the_buffer, "N", 1);
+	  else
+	    add_buffer (the_buffer, "Y", 1);
+	  add_buffer (the_buffer, d->d_name, (int) (NLENGTH (d) + 1));
 	}
-	free(namebuf);
-	return new_buf;
+      add_buffer (the_buffer, "\000\000", 2);
+      closedir (dirp);
+
+      /* Well, we've read in the contents of the dir, now sort them */
+      buf = get_buffer (the_buffer);
+      if (buf[0] == '\0')
+	{
+	  flush_buffer (the_buffer);
+	  new_buf = NULL;
+	}
+      else
+	{
+	  n_strs = 0;
+	  for (p_buf = buf; *p_buf;)
+	    {
+	      int tmp;
+
+	      tmp = strlen (p_buf) + 1;
+	      n_strs++;
+	      p_buf += tmp;
+	    }
+	  vec = (char **) ck_malloc (sizeof (char *) * (n_strs + 1));
+	  for (p_vec = vec, p_buf = buf; *p_buf; p_buf += strlen (p_buf) + 1)
+	    *p_vec++ = p_buf;
+	  *p_vec = 0;
+	  qsort ((PTR) vec, n_strs, sizeof (char *), dirent_cmp);
+	  new_buf = (char *) ck_malloc (p_buf - buf + 2);
+	  for (p_vec = vec, p_buf = new_buf; *p_vec; p_vec++)
+	    {
+	      char *p_tmp;
+
+	      for (p_tmp = *p_vec; *p_buf++ = *p_tmp++;)
+		;
+	    }
+	  *p_buf++ = '\0';
+	  free (vec);
+	  flush_buffer (the_buffer);
+	}
+    }
+  free (namebuf);
+  return new_buf;
 }
 
 /* p is a directory.  Add all the files in P to the namelist.  If any of the
    files is a directory, recurse on the subdirectory. . . */
 static void
-add_dir_name(p,device)
-char *p;
-int device;
+add_dir_name (p, device)
+     char *p;
+     int device;
 {
-	char *new_buf;
-	char *p_buf;
+  char *new_buf;
+  char *p_buf;
 
-	char *namebuf;
-	int buflen;
-	register int len;
-	int sublen;
+  char *namebuf;
+  int buflen;
+  register int len;
+  int sublen;
 
-/*	PTR the_buffer;*/
+  /*	PTR the_buffer;*/
 
-/*	char *buf;*/
-/*	char **vec,**p_vec;*/
-/*	int n_strs,n_size;*/
+  /*	char *buf;*/
+  /*	char **vec,**p_vec;*/
+  /*	int n_strs,n_size;*/
 
-	struct name *n;
+  struct name *n;
 
-	int dirent_cmp();
+  int dirent_cmp ();
 
-	new_buf=get_dir_contents(p,device);
+  new_buf = get_dir_contents (p, device);
 
-	for(n=namelist;n;n=n->next) {
-		if(!strcmp(n->name,p)) {
-			n->dir_contents = new_buf;
-			break;
-		}
+  for (n = namelist; n; n = n->next)
+    {
+      if (!strcmp (n->name, p))
+	{
+	  n->dir_contents = new_buf ? new_buf : "\0\0\0\0";
+	  break;
 	}
-
-	len=strlen(p);
-	buflen= NAMSIZ<=len ? len + NAMSIZ : NAMSIZ;
-	namebuf= ck_malloc(buflen+1);
-
-	(void)strcpy(namebuf,p);
-	if(namebuf[len-1]!='/') {
-		namebuf[len++]='/';
-		namebuf[len]='\0';
+    }
+
+  if (new_buf)
+    {
+      len = strlen (p);
+      buflen = NAMSIZ <= len ? len + NAMSIZ : NAMSIZ;
+      namebuf = ck_malloc (buflen + 1);
+
+      (void) strcpy (namebuf, p);
+      if (namebuf[len - 1] != '/')
+	{
+	  namebuf[len++] = '/';
+	  namebuf[len] = '\0';
 	}
-	for(p_buf=new_buf;*p_buf;p_buf+=sublen+1) {
-		sublen=strlen(p_buf);
-		if(*p_buf=='D') {
-			if(len+sublen>=buflen) {
-				buflen+=NAMSIZ;
-				namebuf= ck_realloc(namebuf,buflen+1);
-			}
-			(void)strcpy(namebuf+len,p_buf+1);
-			addname(namebuf);
-			add_dir_name(namebuf,device);
+      for (p_buf = new_buf; *p_buf; p_buf += sublen + 1)
+	{
+	  sublen = strlen (p_buf);
+	  if (*p_buf == 'D')
+	    {
+	      if (len + sublen >= buflen)
+		{
+		  buflen += NAMSIZ;
+		  namebuf = ck_realloc (namebuf, buflen + 1);
 		}
+	      (void) strcpy (namebuf + len, p_buf + 1);
+	      addname (namebuf);
+	      add_dir_name (namebuf, device);
+	    }
 	}
-	free(namebuf);
+      free (namebuf);
+    }
 }
 
 /* Returns non-zero if p is . or ..   This could be a macro for speed. */
 int
-is_dot_or_dotdot(p)
-char *p;
+is_dot_or_dotdot (p)
+     char *p;
 {
-	return (p[0]=='.' && (p[1]=='\0' || (p[1]=='.' && p[2]=='\0')));
+  return (p[0] == '.' && (p[1] == '\0' || (p[1] == '.' && p[2] == '\0')));
 }
 
 
@@ -513,129 +537,141 @@ char *p;
 
 
 void
-gnu_restore(skipcrud)
-int skipcrud;
+gnu_restore (skipcrud)
+     int skipcrud;
 {
-	char *current_dir;
-/*	int current_dir_length; */
-
-	char *archive_dir;
-/*	int archive_dir_length; */
-	PTR the_buffer;
-	char	*p;
-	DIR	*dirp;
-	struct direct *d;
-	char *cur,*arc;
-	extern struct stat hstat;		/* Stat struct corresponding */
-	long size,copied;
-	char *from,*to;
-	extern union record *head;
-
-	dirp=opendir(skipcrud+head->header.name);
-
-	if(!dirp) {
-			/* The directory doesn't exist now.  It'll be created.
+  char *current_dir;
+  /*	int current_dir_length; */
+
+  char *archive_dir;
+  /*	int archive_dir_length; */
+  PTR the_buffer;
+  char *p;
+  DIR *dirp;
+  struct dirent *d;
+  char *cur, *arc;
+  extern struct stat hstat;	/* Stat struct corresponding */
+  long size, copied;
+  char *from, *to;
+  extern union record *head;
+
+  dirp = opendir (skipcrud + current_file_name);
+
+  if (!dirp)
+    {
+      /* The directory doesn't exist now.  It'll be created.
 			   In any case, we don't have to delete any files out
 			   of it */
-		skip_file((long)hstat.st_size);
-		return;
+      skip_file ((long) hstat.st_size);
+      return;
+    }
+
+  the_buffer = init_buffer ();
+  while (d = readdir (dirp))
+    {
+      if (is_dot_or_dotdot (d->d_name))
+	continue;
+
+      add_buffer (the_buffer, d->d_name, (int) (NLENGTH (d) + 1));
+    }
+  closedir (dirp);
+  add_buffer (the_buffer, "", 1);
+
+  current_dir = get_buffer (the_buffer);
+  archive_dir = (char *) ck_malloc (hstat.st_size);
+  if (archive_dir == 0)
+    {
+      msg ("Can't allocate %d bytes for restore", hstat.st_size);
+      skip_file ((long) hstat.st_size);
+      return;
+    }
+  to = archive_dir;
+  for (size = hstat.st_size; size > 0; size -= copied)
+    {
+      from = findrec ()->charptr;
+      if (!from)
+	{
+	  msg ("Unexpected EOF in archive\n");
+	  break;
 	}
-
-	the_buffer=init_buffer();
-	while(d=readdir(dirp)) {
-		if(is_dot_or_dotdot(d->d_name))
-			continue;
-
-		add_buffer(the_buffer,d->d_name,(int)(DP_NAMELEN(d)+1));
+      copied = endofrecs ()->charptr - from;
+      if (copied > size)
+	copied = size;
+      bcopy ((PTR) from, (PTR) to, (int) copied);
+      to += copied;
+      userec ((union record *) (from + copied - 1));
+    }
+
+  for (cur = current_dir; *cur; cur += strlen (cur) + 1)
+    {
+      for (arc = archive_dir; *arc; arc += strlen (arc) + 1)
+	{
+	  arc++;
+	  if (!strcmp (arc, cur))
+	    break;
 	}
-	closedir(dirp);
-	add_buffer(the_buffer,"",1);
-
-	current_dir=get_buffer(the_buffer);
-	archive_dir=(char *)malloc(hstat.st_size);
-	if(archive_dir==0) {
-		msg("Can't allocate %d bytes for restore",hstat.st_size);
-		skip_file((long)hstat.st_size);
-		return;
+      if (*arc == '\0')
+	{
+	  p = new_name (skipcrud + current_file_name, cur);
+	  if (f_confirm && !confirm ("delete", p))
+	    {
+	      free (p);
+	      continue;
+	    }
+	  if (f_verbose)
+	    fprintf (msg_file, "%s: deleting %s\n", tar, p);
+	  if (recursively_delete (p))
+	    {
+	      msg ("%s: Error while deleting %s\n", tar, p);
+	    }
+	  free (p);
 	}
-	to=archive_dir;
-	for(size=hstat.st_size;size>0;size-=copied) {
-		from=findrec()->charptr;
-		if(!from) {
-			msg("Unexpected EOF in archive\n");
-			break;
-		}
-		copied=endofrecs()->charptr - from;
-		if(copied>size)
-			copied=size;
-		bcopy((PTR)from,(PTR)to,(int)copied);
-		to+=copied;
-		userec((union record *)(from+copied-1));
-	}
-
-	for(cur=current_dir;*cur;cur+=strlen(cur)+1) {
-		for(arc=archive_dir;*arc;arc+=strlen(arc)+1) {
-			arc++;
-			if(!strcmp(arc,cur))
-				break;
-		}
-		if(*arc=='\0') {
-			p=new_name(skipcrud+head->header.name,cur);
-			if(f_confirm && !confirm("delete",p)) {
-				free(p);
-				continue;
-			}
-			if(f_verbose)
-				fprintf(msg_file,"%s: deleting %s\n",tar,p);
-			if(recursively_delete(p)) {
-				msg("%s: Error while deleting %s\n",tar,p);
-			}
-			free(p);
-		}
 
-	}
-	flush_buffer(the_buffer);
-	free(archive_dir);
+    }
+  flush_buffer (the_buffer);
+  free (archive_dir);
 }
 
 int
-recursively_delete(path)
-char *path;
+recursively_delete (path)
+     char *path;
 {
-	struct stat sbuf;
-	DIR *dirp;
-	struct direct *dp;
-	char *path_buf;
-	/* int path_len; */
-
-
-	if(lstat(path,&sbuf)<0)
-		return 1;
-	if(S_ISDIR(sbuf.st_mode)) {
-
-		/* path_len=strlen(path); */
-		dirp=opendir(path);
-		if(dirp==0)
-			return 1;
-		while(dp=readdir(dirp)) {
-			if(is_dot_or_dotdot(dp->d_name))
-				continue;
-			path_buf=new_name(path,dp->d_name);
-			if(recursively_delete(path_buf)) {
-				free(path_buf);
-				closedir(dirp);
-				return 1;
-			}
-			free(path_buf);
-		}
-		closedir(dirp);
-
-		if(rmdir(path)<0)
-			return 1;
-		return 0;
+  struct stat sbuf;
+  DIR *dirp;
+  struct dirent *dp;
+  char *path_buf;
+  /* int path_len; */
+
+
+  if (lstat (path, &sbuf) < 0)
+    return 1;
+  if (S_ISDIR (sbuf.st_mode))
+    {
+
+      /* path_len=strlen(path); */
+      dirp = opendir (path);
+      if (dirp == 0)
+	return 1;
+      while (dp = readdir (dirp))
+	{
+	  if (is_dot_or_dotdot (dp->d_name))
+	    continue;
+	  path_buf = new_name (path, dp->d_name);
+	  if (recursively_delete (path_buf))
+	    {
+	      free (path_buf);
+	      closedir (dirp);
+	      return 1;
+	    }
+	  free (path_buf);
 	}
-	if(unlink(path)<0)
-		return 1;
-	return 0;
+      closedir (dirp);
+
+      if (rmdir (path) < 0)
+	return 1;
+      return 0;
+    }
+  if (unlink (path) < 0)
+    return 1;
+  return 0;
 }
-

src/port.h

@@ -25,7 +25,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include <alloca.h>
 #else /* not HAVE_ALLOCA_H */
 #ifdef _AIX
-#pragma alloca
+ #pragma alloca
 #else /* not _AIX */
 char *alloca ();
 #endif /* not _AIX */

src/tar.h

@@ -275,7 +275,7 @@ void userec();
 union record *endofrecs();
 void anno();
 
-#if !defined (VPRINTF_MISSING) && defined (__STDC__)
+#if defined (HAVE_VPRINTF) && __STDC__
 void msg(char *, ...);
 void msg_perror(char *, ...);
 #else