]> Dogcows Code - chaz/tar/commitdiff
*** empty log message ***
authorFrançois Pinard <pinard@iro.umontreal.ca>
Wed, 16 Nov 1994 02:42:56 +0000 (02:42 +0000)
committerFrançois Pinard <pinard@iro.umontreal.ca>
Wed, 16 Nov 1994 02:42:56 +0000 (02:42 +0000)
src/create.c

index 75c4a9521e881fb48cbe4b5c0a84aa18c73224f7..1b25750ca56b8908ac8d1b2aa878f1974a0a598f 100644 (file)
@@ -309,7 +309,7 @@ badfile:
                                        link_name++;
                                }
                                if (link_name - lp->name >= NAMSIZ)
-                                 write_longlink (link_name);
+                                 write_long (link_name, LF_LONGLINK);
 
                                hstat.st_size = 0;
                                header = start_header(p, &hstat);
@@ -320,14 +320,10 @@ badfile:
                                  }
                                strncpy(header->header.linkname,
                                        link_name,NAMSIZ);
-                               if(header->header.linkname[NAMSIZ-1]) {
-                                       char *mangled;
-                                       extern char *find_mangled();
 
-                                       mangled=find_mangled(link_name);
-                                       msg("%s: link name too long: mangled to %s",link_name,mangled);
-                                       strncpy(header->header.linkname,mangled,NAMSIZ);
-                               }
+                               /* Force null truncated */
+                               header->header.linkname [NAMSIZ-1] = 0;
+
                                header->header.linkflag = LF_LINK;
                                finish_header(header);
                /* FIXME: Maybe remove from list after all links found? */
@@ -606,7 +602,18 @@ badfile:
        else if(S_ISLNK(hstat.st_mode))
        {
                int size;
-
+               char *buf = alloca (PATH_MAX + 1);
+
+               size = readlink (p, buf, PATH_MAX + 1);
+               if (size < 0) 
+                 goto badperror;
+               buf[size] = '\0';
+               if (size >= NAMSIZ)
+                 write_long (buf, LF_LONGLINK);
+
+               buf[NAMSIZ - 1] = '\0';
+               if (size >= NAMSIZ)
+                 size = NAMSIZ - 1;
                hstat.st_size = 0;              /* Force 0 size on symlink */
                header = start_header(p, &hstat);
                if (header == NULL) 
@@ -614,19 +621,7 @@ badfile:
                    critical_error = 1;
                    goto badfile;
                  }
-               size = readlink(p, header->header.linkname, NAMSIZ);
-               if (size < 0) goto badperror;
-               if (size == NAMSIZ) {
-                       char *buf = ck_malloc(PATH_MAX);
-
-                       readlink(p,buf,PATH_MAX);
-                       /* next_mangle(header->header.linkname); */
-                       add_symlink_mangle(buf,p,header->header.linkname);
-                       msg("symbolic link %s too long: mangling to %s",p, header->header.linkname);
-                       /* size=strlen(header->header.linkname); */
-                       free(buf);
-               } else
-                       header->header.linkname[size] = '\0';
+               strcpy (header->header.linkname, buf);
                header->header.linkflag = LF_SYMLINK;
                finish_header(header);          /* Nothing more to do to it */
                if (f_remove_files)
@@ -1180,6 +1175,9 @@ start_header(name, st)
 {
        register union record *header;
 
+       if (strlen (name) >= NAMSIZ)
+         write_long (name, LF_LONGNAME);
+
        header = (union record *) findrec();
        bzero(header->charptr, sizeof(*header)); /* XXX speed up */
 
@@ -1202,13 +1200,7 @@ start_header(name, st)
                }
        }
        strncpy(header->header.name, name, NAMSIZ);
-       if (header->header.name[NAMSIZ-1]) {
-/*             char *mangled;*/
-
-               /* next_mangle(header->header.name); */
-               add_mangle(name,header->header.name);
-               msg("%s: is too long: mangling to %s", name, header->header.name);
-       }
+       header->header.name[NAMSIZE-1] = '\0';
 
        to_oct((long) (st->st_mode & 07777),
                                        8,  header->header.mode);
@@ -1346,11 +1338,35 @@ write_eot()
 
 /* Write a LF_LONGLINK or LF_LONGNAME record. */
 void
-write_long (p)
+write_long (p, type)
+     char *p;
+     char type;
 {
+  int size = strlen (p) + 1;
+  int bufsize;
+  union record *header;
+  
   /* Link name won't fit, so we write
      an LF_LONGLINK record. */
-  hstat.st_size = strlen (link_name) + 1;
+  hstat.st_size = size;
   header = start_header ("././@LongLink", &hstat);
-  header->header.linkflag = LF_NAMES;
+  header->header.linkflag = type;
   finish_header (header);
+
+  header = findrec ();
+  
+  bufsize = endofrecs ()->charptr - header->charptr;
+  
+  while (bufsize < size)
+    {
+      bcopy (p, header->charptr, bufsize);
+      p += bufsize;
+      size -= bufsize;
+      userec (header + (bufsize - 1)/RECORDSIZE);
+      header = findrec ();
+      bufsize = endofrecs ()->charptr - header->charptr;
+    }
+  bcopy (p, header->charptr, size);
+  bzero (header->charptr + size, bufsize - size);
+  userec (header + (size - 1)/RECORDSIZE);
+}
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