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authorDenis Vlasenko2008-03-28 17:49:31 +0000
committerDenis Vlasenko2008-03-28 17:49:31 +0000
commitb9ad75fa602dd72b042b2ea08ce86da50746ab30 (patch)
tree19445163e0f30e8015eeafbcad091309407ab050 /include
parenta38ba59cc3e78db0234cf4c224de6749d8ce759d (diff)
downloadbusybox-b9ad75fa602dd72b042b2ea08ce86da50746ab30.zip
busybox-b9ad75fa602dd72b042b2ea08ce86da50746ab30.tar.gz
copy_file: handle "cp /dev/foo file" (almost) compatibly to coreutils.
(almost because we do not copy mode, which is probably wasn't intended). +61 bytes.
Diffstat (limited to 'include')
-rw-r--r--include/libbb.h34
1 files changed, 19 insertions, 15 deletions
diff --git a/include/libbb.h b/include/libbb.h
index 3638b7e..afc053e 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -223,8 +223,27 @@ extern char *skip_non_whitespace(const char *);
//TODO: supply a pointer to char[11] buffer (avoid statics)?
extern const char *bb_mode_string(mode_t mode);
extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
+enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
+ FILEUTILS_PRESERVE_STATUS = 1,
+ FILEUTILS_DEREFERENCE = 2,
+ FILEUTILS_RECUR = 4,
+ FILEUTILS_FORCE = 8,
+ FILEUTILS_INTERACTIVE = 0x10,
+ FILEUTILS_MAKE_HARDLINK = 0x20,
+ FILEUTILS_MAKE_SOFTLINK = 0x40,
+#if ENABLE_SELINUX
+ FILEUTILS_PRESERVE_SECURITY_CONTEXT = 0x80,
+ FILEUTILS_SET_SECURITY_CONTEXT = 0x100
+#endif
+};
+#define FILEUTILS_CP_OPTSTR "pdRfils" USE_SELINUX("c")
extern int remove_file(const char *path, int flags);
+/* NB: without FILEUTILS_RECUR in flags, it will basically "cat"
+ * the source, not copy (unless "source" is a directory).
+ * This makes "cp /dev/null file" and "install /dev/null file" (!!!)
+ * work coreutils-compatibly. */
extern int copy_file(const char *source, const char *dest, int flags);
+
enum {
ACTION_RECURSE = (1 << 0),
ACTION_FOLLOWLINKS = (1 << 1),
@@ -1170,21 +1189,6 @@ void *md5_end(void *resbuf, md5_ctx_t *ctx);
uint32_t *crc32_filltable(uint32_t *tbl256, int endian);
-enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
- FILEUTILS_PRESERVE_STATUS = 1,
- FILEUTILS_DEREFERENCE = 2,
- FILEUTILS_RECUR = 4,
- FILEUTILS_FORCE = 8,
- FILEUTILS_INTERACTIVE = 0x10,
- FILEUTILS_MAKE_HARDLINK = 0x20,
- FILEUTILS_MAKE_SOFTLINK = 0x40,
-#if ENABLE_SELINUX
- FILEUTILS_PRESERVE_SECURITY_CONTEXT = 0x80,
- FILEUTILS_SET_SECURITY_CONTEXT = 0x100
-#endif
-};
-
-#define FILEUTILS_CP_OPTSTR "pdRfils" USE_SELINUX("c")
extern const char *applet_name;
/* "BusyBox vN.N.N (timestamp or extra_version)" */
extern const char bb_banner[];