diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2021-06-22 16:28:34 +0300 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2021-06-22 16:28:34 +0300 |
commit | 56bbbfae7df48f778362d1848d2a4afd2c293d76 (patch) | |
tree | b0ad2dff6ec225e2f41383f870f2f55d47911dd8 /coreutils | |
parent | 91b9549a8c739e5f0061dffb292d0dedbe913892 (diff) |
cp: implement -n
function old new delta
.rodata 103681 103722 +41
packed_usage 33698 33717 +19
copy_file 1678 1696 +18
cp_main 500 492 -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 78/-8) Total: 70 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'coreutils')
-rw-r--r-- | coreutils/cp.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/coreutils/cp.c b/coreutils/cp.c index 8b9e03c95..b7f0e290f 100644 --- a/coreutils/cp.c +++ b/coreutils/cp.c @@ -84,8 +84,8 @@ // (SELinux) set SELinux security context of copy to CONTEXT //usage:#define cp_trivial_usage -//usage: "[-arPLHpfilsTu] SOURCE DEST\n" -//usage: "or: cp [-arPLHpfilsu] SOURCE... { -t DIRECTORY | DIRECTORY }" +//usage: "[-arPLHpfinlsTu] SOURCE DEST\n" +//usage: "or: cp [-arPLHpfinlsu] SOURCE... { -t DIRECTORY | DIRECTORY }" //usage:#define cp_full_usage "\n\n" //usage: "Copy SOURCEs to DEST\n" //usage: "\n -a Same as -dpR" @@ -99,6 +99,7 @@ //usage: "\n -p Preserve file attributes if possible" //usage: "\n -f Overwrite" //usage: "\n -i Prompt before overwrite" +//usage: "\n -n Don't overwrite" //usage: "\n -l,-s Create (sym)links" //usage: "\n -T Refuse to copy if DEST is a directory" //usage: "\n -t DIR Copy all SOURCEs into DIR" @@ -122,9 +123,9 @@ int cp_main(int argc, char **argv) int status; enum { #if ENABLE_FEATURE_CP_LONG_OPTIONS - /*OPT_rmdest = FILEUTILS_RMDEST = 1 << FILEUTILS_CP_OPTNUM */ - OPT_parents = 1 << (FILEUTILS_CP_OPTNUM+1), - OPT_reflink = 1 << (FILEUTILS_CP_OPTNUM+2), + /*OPT_rmdest = FILEUTILS_RMDEST = 1 << FILEUTILS_CP_OPTBITS */ + OPT_parents = 1 << (FILEUTILS_CP_OPTBITS+1), + OPT_reflink = 1 << (FILEUTILS_CP_OPTBITS+2), #endif }; #if ENABLE_FEATURE_CP_LONG_OPTIONS @@ -134,23 +135,25 @@ int cp_main(int argc, char **argv) flags = getopt32long(argv, "^" FILEUTILS_CP_OPTSTR "\0" - // Need at least two arguments + // Need at least one argument. (Usually two+, but -t DIR can have only one) // Soft- and hardlinking doesn't mix // -P and -d are the same (-P is POSIX, -d is GNU) // -r and -R are the same // -R (and therefore -r) turns on -d (coreutils does this) // -a = -pdR - /* At least one argument. (Usually two+, but -t DIR can have only one) */ - "-1:l--s:s--l:Pd:rRd:Rd:apdR", + // -i overrides -n and vice versa (last wins) + "-1:l--s:s--l:Pd:rRd:Rd:apdR:i-n:n-i", "archive\0" No_argument "a" "force\0" No_argument "f" "interactive\0" No_argument "i" + "no-clobber\0" No_argument "n" "link\0" No_argument "l" "dereference\0" No_argument "L" "no-dereference\0" No_argument "P" "recursive\0" No_argument "R" "symbolic-link\0" No_argument "s" "no-target-directory\0" No_argument "T" + "target-directory\0" Required_argument "t" "verbose\0" No_argument "v" "update\0" No_argument "u" "remove-destination\0" No_argument "\xff" |