diff options
author | Jim Meyering <jim@meyering.net> | 1997-02-02 21:23:10 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1997-02-02 21:23:10 +0000 |
commit | c64a391bb27ae3b7933d41d8457d2d845d3a1100 (patch) | |
tree | dc62ef169d8b1193d8dbfa416dbcfc82dadbe5d2 /src | |
parent | 1d286acd9a89364a54c09fd1addc8d87142e0bd2 (diff) | |
download | coreutils-c64a391bb27ae3b7933d41d8457d2d845d3a1100.tar.xz |
.
Diffstat (limited to 'src')
-rw-r--r-- | src/copy.c | 107 | ||||
-rw-r--r-- | src/copy.h | 8 |
2 files changed, 30 insertions, 85 deletions
diff --git a/src/copy.c b/src/copy.c index 613cfd961..958be9e4d 100644 --- a/src/copy.c +++ b/src/copy.c @@ -4,10 +4,14 @@ #include <config.h> #include <stdio.h> +#include <assert.h> +#include <sys/types.h> -#include "cp.h" -#include "copy.h" +#include "system.h" +#include "error.h" #include "backupfile.h" +#include "copy.h" +#include "cp-hash.h" /* On Linux (from slackware-1.2.13 to 2.0.2?) there is no lchown function. To change ownership of symlinks, you must run chown with an effective @@ -22,82 +26,6 @@ But root probably wants to know, e.g. if NFS disallows it. */ \ && (errno != EPERM || x->myeuid == 0)) -/* Control creation of sparse files (files with holes). */ -enum Sparse_type -{ - /* Never create holes in DEST. */ - SPARSE_NEVER, - - /* This is the default. Use a crude (and sometimes inaccurate) - heuristic to determine if SOURCE has holes. If so, try to create - holes in DEST. */ - SPARSE_AUTO, - - /* For every sufficiently long sequence of bytes in SOURCE, try to - create a corresponding hole in DEST. There is a performance penalty - here because CP has to search for holes in SRC. But if the holes are - big enough, that penalty can be offset by the decrease in the amount - of data written to disk. */ - SPARSE_ALWAYS -}; - -struct cp_options -{ - /* If nonzero, copy all files except (directories and, if not dereferencing - them, symbolic links,) as if they were regular files. */ - int copy_as_regular; - - /* If nonzero, dereference symbolic links (copy the files they point to). */ - int dereference; - - /* If nonzero, remove existing destination nondirectories. */ - int force; - - /* If nonzero, create hard links instead of copying files. - Create destination directories as usual. */ - int hard_link; - - /* If nonzero, query before overwriting existing destinations - with regular files. */ - int interactive; - - /* If nonzero, when copying recursively, skip any subdirectories that are - on different filesystems from the one we started on. */ - int one_file_system; - - /* If nonzero, give the copies the original files' permissions, - ownership, and timestamps. */ - int preserve; - - /* If nonzero, copy directories recursively and copy special files - as themselves rather than copying their contents. */ - int recursive; - - /* Control creation of sparse files. */ - enum Sparse_type sparse_mode; - - /* If nonzero, create symbolic links instead of copying files. - Create destination directories as usual. */ - int symbolic_link; - - /* The bits to preserve in created files' modes. */ - int umask_kill; - - /* If nonzero, do not copy a nondirectory that has an existing destination - with the same or newer modification time. */ - int update; - - /* If nonzero, display the names of the files before copying them. */ - int verbose; - - /* This process's effective user ID. */ - uid_t myeuid; - - /* A pointer to either lstat or stat, depending on - whether dereferencing of symlinks is done. */ - int (*xstat) (); -}; - struct dir_list { struct dir_list *parent; @@ -107,6 +35,14 @@ struct dir_list int full_write (); int euidaccess (); +char *savedir (); +char *xmalloc (); +int yesno (); + +static int copy_internal __P ((const char *src_path, const char *dst_path, + int new_dst, dev_t device, + struct dir_list *ancestors, + const struct cp_options *x)); /* The invocation name of this program. */ extern char *program_name; @@ -787,12 +723,20 @@ un_backup: return 1; } +static int +valid_options (const struct cp_options *co) +{ + /* FIXME: make sure xstat and dereference are consistent. */ + assert (co->xstat); + assert (co->sparse_mode != SPARSE_UNUSED); +} + /* Copy the file SRC_PATH to the file DST_PATH. The files may be of any type. NONEXISTENT_DST should be nonzero if the file DST_PATH is known not to exist (e.g., because its parent directory was just created); NONEXISTENT_DST should be zero if DST_PATH might already - exist. DEVICE is the device number of the parent directory, or 0 - if the parent of this file is not known. + exist. DEVICE is the device number of the parent directory of + DST_PATH, or 0 if the parent of this file is not known. OPTIONS is ... FIXME-describe Return 0 if successful, 1 if an error occurs. */ @@ -800,5 +744,6 @@ int copy (const char *src_path, const char *dst_path, int nonexistent_dst, const struct cp_options *options) { - copy_internal (src_path, dst_path, nonexistent_dst, NULL, options); + assert (valid_options (options)); + copy_internal (src_path, dst_path, nonexistent_dst, 0, NULL, options); } diff --git a/src/copy.h b/src/copy.h index 9199c776b..7bbe88d80 100644 --- a/src/copy.h +++ b/src/copy.h @@ -42,6 +42,9 @@ struct cp_options with regular files. */ int interactive; + /* This process's effective user ID. */ + uid_t myeuid; + /* If nonzero, when copying recursively, skip any subdirectories that are on different filesystems from the one we started on. */ int one_file_system; @@ -62,7 +65,7 @@ struct cp_options int symbolic_link; /* The bits to preserve in created files' modes. */ - int umask_kill; + unsigned int umask_kill; /* If nonzero, do not copy a nondirectory that has an existing destination with the same or newer modification time. */ @@ -71,9 +74,6 @@ struct cp_options /* If nonzero, display the names of the files before copying them. */ int verbose; - /* This process's effective user ID. */ - uid_t myeuid; - /* A pointer to either lstat or stat, depending on whether the copy should dereference symlinks. */ int (*xstat) (); |