From 91196cf7d2b3f1694ac02cc682bb60bf78d6538d Mon Sep 17 00:00:00 2001
From: "graham.gower" <graham.gower@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>
Date: Wed, 18 Nov 2009 01:38:25 +0000
Subject: [PATCH] Remove unused function.

git-svn-id: http://opkg.googlecode.com/svn/trunk@332 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
---
 libbb/libbb.h     |   1 -
 libbb/unarchive.c | 118 ----------------------------------------------
 2 files changed, 119 deletions(-)

diff --git a/libbb/libbb.h b/libbb/libbb.h
index f4d8de0..3e0a5ab 100644
--- a/libbb/libbb.h
+++ b/libbb/libbb.h
@@ -238,7 +238,6 @@ typedef struct file_headers_s {
 } file_header_t;
 file_header_t *get_header_ar(FILE *in_file);
 void free_header_ar(file_header_t *ar_entry);
-file_header_t *get_header_cpio(FILE *src_stream);
 file_header_t *get_header_tar(FILE *tar_stream);
 void free_header_tar(file_header_t *tar_entry);
 
diff --git a/libbb/unarchive.c b/libbb/unarchive.c
index 9ef77a5..14004d3 100644
--- a/libbb/unarchive.c
+++ b/libbb/unarchive.c
@@ -419,124 +419,6 @@ void free_header_ar(file_header_t *ar_entry)
 }
 #endif
 
-#ifdef L_get_header_cpio
-struct hardlinks {
-	file_header_t *entry;
-	int inode;
-	struct hardlinks *next;
-};
-
-file_header_t *get_header_cpio(FILE *src_stream)
-{
-	file_header_t *cpio_entry = NULL;
-	char cpio_header[110];
-	int namesize;
- 	char dummy[16];
- 	int major, minor, nlink, inode;
- 	static struct hardlinks *saved_hardlinks = NULL;
- 	static int pending_hardlinks = 0;
-
-
-	if (pending_hardlinks) { /* Deal with any pending hardlinks */
-		struct hardlinks *tmp = saved_hardlinks, *oldtmp = NULL;
-		while (tmp) {
-			if (tmp->entry->link_name) { /* Found a hardlink ready to be extracted */
-				cpio_entry = tmp->entry;
-				if (oldtmp) oldtmp->next = tmp->next; /* Remove item from linked list */
-				else saved_hardlinks = tmp->next;
-				free(tmp);
-				return (cpio_entry);
-			}
-			oldtmp = tmp;
-			tmp = tmp->next;
-		}
-		pending_hardlinks = 0; /* No more pending hardlinks, read next file entry */
-	}
-  
-	/* There can be padding before archive header */
-	seek_sub_file(src_stream, (4 - (archive_offset % 4)) % 4);
-	if (fread(cpio_header, 1, 110, src_stream) == 110) {
-		archive_offset += 110;
-		if (strncmp(cpio_header, "07070", 5) != 0) {
-			error_msg("Unsupported format or invalid magic");
-			return(NULL);
-		}
-		switch (cpio_header[5]) {
-			case '2': /* "crc" header format */
-				/* Doesnt do the crc check yet */
-			case '1': /* "newc" header format */
-				cpio_entry = (file_header_t *) xcalloc(1, sizeof(file_header_t));
-				sscanf(cpio_header, "%6c%8x%8x%8x%8x%8x%8lx%8lx%16c%8x%8x%8x%8c",
-					dummy, &inode, (unsigned int*)&cpio_entry->mode, 
-					(unsigned int*)&cpio_entry->uid, (unsigned int*)&cpio_entry->gid,
-					&nlink, &cpio_entry->mtime, (unsigned long*)&cpio_entry->size,
-					dummy, &major, &minor, &namesize, dummy);
-
-				cpio_entry->name = (char *) xcalloc(1, namesize);
-				fread(cpio_entry->name, 1, namesize, src_stream); /* Read in filename */
-				archive_offset += namesize;
-				/* Skip padding before file contents */
-				seek_sub_file(src_stream, (4 - (archive_offset % 4)) % 4);
-				if (strcmp(cpio_entry->name, "TRAILER!!!") == 0) {
-					printf("%d blocks\n", (int) (archive_offset % 512 ? (archive_offset / 512) + 1 : archive_offset / 512)); /* Always round up */
-					if (saved_hardlinks) { /* Bummer - we still have unresolved hardlinks */
-						struct hardlinks *tmp = saved_hardlinks, *oldtmp = NULL;
-						while (tmp) {
-							error_msg("%s not created: cannot resolve hardlink", tmp->entry->name);
-							oldtmp = tmp;
-							tmp = tmp->next;
-							free (oldtmp->entry->name);
-							free (oldtmp->entry);
-							free (oldtmp);
-						}
-						saved_hardlinks = NULL;
-						pending_hardlinks = 0;
-					}
-					return(NULL);
-				}
-
-				if (S_ISLNK(cpio_entry->mode)) {
-					cpio_entry->link_name = (char *) xcalloc(1, cpio_entry->size + 1);
-					fread(cpio_entry->link_name, 1, cpio_entry->size, src_stream);
-					archive_offset += cpio_entry->size;
-					cpio_entry->size = 0; /* Stop possiable seeks in future */
-				}
-				if (nlink > 1 && !S_ISDIR(cpio_entry->mode)) {
-					if (cpio_entry->size == 0) { /* Put file on a linked list for later */
-						struct hardlinks *new = xmalloc(sizeof(struct hardlinks));
-						new->next = saved_hardlinks;
-						new->inode = inode;
-						new->entry = cpio_entry;
-						saved_hardlinks = new;
-					return(get_header_cpio(src_stream)); /* Recurse to next file */
-					} else { /* Found the file with data in */
-						struct hardlinks *tmp = saved_hardlinks;
-						pending_hardlinks = 1;
-						while (tmp) {
-							if (tmp->inode == inode) {
-								tmp->entry->link_name = xstrdup(cpio_entry->name);
-								nlink--;
-							}
-							tmp = tmp->next;
-						}
-						if (nlink > 1) error_msg("error resolving hardlink: did you create the archive with GNU cpio 2.0-2.2?");
-					}
-				}
-				cpio_entry->device = (major << 8) | minor;
-				break;
-			default:
-				error_msg("Unsupported format");
-				return(NULL);
-		}
-		if (ferror(src_stream) || feof(src_stream)) {
-			perror_msg("Stream error");
-			return(NULL);
-		}
-	}
-	return(cpio_entry);
-}
-#endif
-
 #ifdef L_get_header_tar
 file_header_t *get_header_tar(FILE *tar_stream)
 {
-- 
2.25.1