* Limitations:
* Doesn't check CRC's
* Only supports new ASCII and CRC formats
- *
*/
#include "libbb.h"
#include "bb_archive.h"
+//config:config CPIO
+//config: bool "cpio"
+//config: default y
+//config: help
+//config: cpio is an archival utility program used to create, modify, and
+//config: extract contents from archives.
+//config: cpio has 110 bytes of overheads for every stored file.
+//config:
+//config: This implementation of cpio can extract cpio archives created in the
+//config: "newc" or "crc" format, it cannot create or modify them.
+//config:
+//config: Unless you have a specific application which requires cpio, you
+//config: should probably say N here.
+//config:
+//config:config FEATURE_CPIO_O
+//config: bool "Support for archive creation"
+//config: default y
+//config: depends on CPIO
+//config: help
+//config: This implementation of cpio can create cpio archives in the "newc"
+//config: format only.
+//config:
+//config:config FEATURE_CPIO_P
+//config: bool "Support for passthrough mode"
+//config: default y
+//config: depends on FEATURE_CPIO_O
+//config: help
+//config: Passthrough mode. Rarely used.
+
+//applet:IF_CPIO(APPLET(cpio, BB_DIR_BIN, BB_SUID_DROP))
+//kbuild:lib-$(CONFIG_CPIO) += cpio.o
+
//usage:#define cpio_trivial_usage
//usage: "[-dmvu] [-F FILE]" IF_FEATURE_CPIO_O(" [-H newc]")
//usage: " [-ti"IF_FEATURE_CPIO_O("o")"]" IF_FEATURE_CPIO_P(" [-p DIR]")
}
bytes += printf("070701"
- "%08X%08X%08X%08X%08X%08X%08X"
- "%08X%08X%08X%08X" /* GNU cpio uses uppercase hex */
+ "%08X%08X%08X%08X%08X%08X%08X"
+ "%08X%08X%08X%08X" /* GNU cpio uses uppercase hex */
/* strlen+1: */ "%08X"
/* chksum: */ "00000000" /* (only for "070702" files) */
/* name,NUL: */ "%s%c",
- (unsigned)(uint32_t) st.st_ino,
- (unsigned)(uint32_t) st.st_mode,
- (unsigned)(uint32_t) st.st_uid,
- (unsigned)(uint32_t) st.st_gid,
- (unsigned)(uint32_t) st.st_nlink,
- (unsigned)(uint32_t) st.st_mtime,
- (unsigned)(uint32_t) st.st_size,
- (unsigned)(uint32_t) major(st.st_dev),
- (unsigned)(uint32_t) minor(st.st_dev),
- (unsigned)(uint32_t) major(st.st_rdev),
- (unsigned)(uint32_t) minor(st.st_rdev),
- (unsigned)(strlen(name) + 1),
- name, '\0');
+ (unsigned)(uint32_t) st.st_ino,
+ (unsigned)(uint32_t) st.st_mode,
+ (unsigned)(uint32_t) st.st_uid,
+ (unsigned)(uint32_t) st.st_gid,
+ (unsigned)(uint32_t) st.st_nlink,
+ (unsigned)(uint32_t) st.st_mtime,
+ (unsigned)(uint32_t) st.st_size,
+ (unsigned)(uint32_t) major(st.st_dev),
+ (unsigned)(uint32_t) minor(st.st_dev),
+ (unsigned)(uint32_t) major(st.st_rdev),
+ (unsigned)(uint32_t) minor(st.st_rdev),
+ (unsigned)(strlen(name) + 1),
+ name, '\0');
bytes = cpio_pad4(bytes);
if (st.st_size) {
goto dump;
}
/* parent */
+ USE_FOR_NOMMU(argv[-optind][0] &= 0x7f); /* undo fork_or_rexec() damage */
xchdir(*argv++);
close(pp.wr);
xmove_fd(pp.rd, STDIN_FILENO);