route: fix for 64-bit BE machines by Seonghun Lim (wariua AT gmail.com)

[oweals/busybox.git] / archival / rpm2cpio.c

diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c
index 66f680869d2a2f242fe0bc81dedb5a16265fe417..ee938716f1437c3d1dbdb7a7c6b17229aeb49e8c 100644 (file)
--- a/archival/rpm2cpio.c
+++ b/archival/rpm2cpio.c
@@ -4,60 +4,43 @@
  *
  * Copyright (C) 2001 by Laurence Anderson
  *
- * 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
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
-#include <sys/types.h>
-#include <netinet/in.h> /* For ntohl & htonl function */
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include "busybox.h"
+#include "libbb.h"
 #include "unarchive.h"
 
 #define RPM_MAGIC "\355\253\356\333"
 #define RPM_HEADER_MAGIC "\216\255\350"
 
 struct rpm_lead {
-    unsigned char magic[4];
-    u_int8_t major, minor;
-    u_int16_t type;
-    u_int16_t archnum;
-    char name[66];
-    u_int16_t osnum;
-    u_int16_t signature_type;
-    char reserved[16];
+       unsigned char magic[4];
+       uint8_t major, minor;
+       uint16_t type;
+       uint16_t archnum;
+       char name[66];
+       uint16_t osnum;
+       uint16_t signature_type;
+       char reserved[16];
 };
 
 struct rpm_header {
        char magic[3]; /* 3 byte magic: 0x8e 0xad 0xe8 */
-       u_int8_t version; /* 1 byte version number */
-       u_int32_t reserved; /* 4 bytes reserved */
-       u_int32_t entries; /* Number of entries in header (4 bytes) */
-       u_int32_t size; /* Size of store (4 bytes) */
+       uint8_t version; /* 1 byte version number */
+       uint32_t reserved; /* 4 bytes reserved */
+       uint32_t entries; /* Number of entries in header (4 bytes) */
+       uint32_t size; /* Size of store (4 bytes) */
 };
 
-void skip_header(int rpm_fd)
+static void skip_header(int rpm_fd)
 {
        struct rpm_header header;
 
-       xread_all(rpm_fd, &header, sizeof(struct rpm_header));
+       xread(rpm_fd, &header, sizeof(struct rpm_header));
        if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC, 3) != 0) {
-               error_msg_and_die("Invalid RPM header magic"); /* Invalid magic */
+               bb_error_msg_and_die("invalid RPM header magic"); /* Invalid magic */
        }
        if (header.version != 1) {
-               error_msg_and_die("Unsupported RPM header version"); /* This program only supports v1 headers */
+               bb_error_msg_and_die("unsupported RPM header version"); /* This program only supports v1 headers */
        }
        header.entries = ntohl(header.entries);
        header.size = ntohl(header.size);
@@ -66,21 +49,22 @@ void skip_header(int rpm_fd)
 }
 
 /* No getopt required */
-extern int rpm2cpio_main(int argc, char **argv)
+int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int rpm2cpio_main(int argc, char **argv)
 {
        struct rpm_lead lead;
        int rpm_fd;
        unsigned char magic[2];
 
        if (argc == 1) {
-               rpm_fd = fileno(stdin);
+               rpm_fd = STDIN_FILENO;
        } else {
                rpm_fd = xopen(argv[1], O_RDONLY);
        }
 
-       xread_all(rpm_fd, &lead, sizeof(struct rpm_lead));
+       xread(rpm_fd, &lead, sizeof(struct rpm_lead));
        if (strncmp((char *) &lead.magic, RPM_MAGIC, 4) != 0) {
-               error_msg_and_die("Invalid RPM magic"); /* Just check the magic, the rest is irrelevant */
+               bb_error_msg_and_die("invalid RPM magic"); /* Just check the magic, the rest is irrelevant */
        }
 
        /* Skip the signature header */
@@ -89,17 +73,15 @@ extern int rpm2cpio_main(int argc, char **argv)
 
        /* Skip the main header */
        skip_header(rpm_fd);
-       
-       xread_all(rpm_fd, &magic, 2);
+
+       xread(rpm_fd, &magic, 2);
        if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
-               error_msg_and_die("Invalid gzip magic");
+               bb_error_msg_and_die("invalid gzip magic");
        }
 
-       check_header_gzip(rpm_fd);
-       if (inflate(rpm_fd, fileno(stdout)) != 0) {
-               error_msg("Error inflating");
+       if (unpack_gz_stream(rpm_fd, STDOUT_FILENO) < 0) {
+               bb_error_msg("error inflating");
        }
-       check_trailer_gzip(rpm_fd);
 
        close(rpm_fd);