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author | Denys Vlasenko | 2017-01-23 19:42:12 +0100 |
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committer | Denys Vlasenko | 2017-01-23 19:42:12 +0100 |
commit | 51b01fda30418e4114a63be3db8ab0135dea12fc (patch) | |
tree | e4af168b2de4f54d0e98d75c2e2d066aabe5f834 | |
parent | a1cbaca1ba6f4a3ffc7727fcd4c4ebb61c47e1a7 (diff) | |
download | busybox-51b01fda30418e4114a63be3db8ab0135dea12fc.zip busybox-51b01fda30418e4114a63be3db8ab0135dea12fc.tar.gz |
ls: LIST_ID_NAME/ID_NUMERIC/LOPT/LONG are the same, merge as LONG
Also, handle -n and --full-time using option_mask32
function old new delta
scan_and_display_dirs_recur 548 545 -3
display_single 1053 1039 -14
ls_main 777 736 -41
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-58) Total: -58 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r-- | coreutils/ls.c | 79 |
1 files changed, 36 insertions, 43 deletions
diff --git a/coreutils/ls.c b/coreutils/ls.c index 70118b1..77fc530 100644 --- a/coreutils/ls.c +++ b/coreutils/ls.c @@ -197,32 +197,27 @@ SPLIT_SUBDIR = 2, /* 51306 lrwxrwxrwx 1 root root 2 May 11 01:43 /bin/view -> vi* */ /* what file information will be listed */ -LIST_LOPT = 1 << 1, /* long listing (-l and equivalents) */ -LIST_ID_NAME = 1 << 2, -LIST_ID_NUMERIC = 1 << 3, -LIST_FULLTIME = 1 << 5, -LIST_FILETYPE = 1 << 6, /* show / suffix for dirs */ -LIST_CLASSIFY = 1 << 7, /* requires LIST_FILETYPE, also show *,|,@,= suffixes */ - -LIST_LONG = LIST_LOPT | LIST_ID_NAME, +LIST_LONG = 1 << 0, /* long listing (-l and equivalents) */ +LIST_FILETYPE = 1 << 1, /* show / suffix for dirs */ +LIST_CLASSIFY = 1 << 2, /* requires LIST_FILETYPE, also show *,|,@,= suffixes */ /* what files will be displayed */ -DISP_DIRNAME = 1 << 8, /* 2 or more items? label directories */ -DISP_NOLIST = 1 << 9, /* show directory as itself, not contents */ -DISP_RECURSIVE = 1 << 10, /* show directory and everything below it */ -DISP_ROWS = 1 << 11, /* print across rows */ +DISP_DIRNAME = 1 << 3, /* 2 or more items? label directories */ +DISP_NOLIST = 1 << 4, /* show directory as itself, not contents */ +DISP_RECURSIVE = 1 << 5, /* show directory and everything below it */ +DISP_ROWS = 1 << 6, /* print across rows */ /* what is the overall style of the listing */ -STYLE_COLUMNAR = 1 << 12, /* many records per line */ -STYLE_LONG = 2 << 12, /* one record per line, extended info */ -STYLE_SINGLE = 3 << 12, /* one record per line */ +STYLE_COLUMNAR = 1 << 7, /* many records per line */ +STYLE_LONG = 2 << 8, /* one record per line, extended info */ +STYLE_SINGLE = 3 << 9, /* one record per line */ STYLE_MASK = STYLE_SINGLE, }; /* -Cadi1l Std options, busybox always supports */ /* -gnsxA Std options, busybox always supports */ /* -Q GNU option, busybox always supports */ -/* -k Std options, busybox always supports (by ignoring) */ +/* -k Std option, busybox always supports (by ignoring) */ /* It means "for -s, show sizes in kbytes" */ /* Seems to only affect "POSIXLY_CORRECT=1 ls -sk" */ /* since otherwise -s shows kbytes anyway */ @@ -251,7 +246,7 @@ enum { //OPT_1 = (1 << 4), OPT_l = (1 << 5), OPT_g = (1 << 6), - //OPT_n = (1 << 7), + OPT_n = (1 << 7), OPT_s = (1 << 8), //OPT_x = (1 << 9), OPT_A = (1 << 10), @@ -310,7 +305,7 @@ static const uint32_t opt_flags[] = { STYLE_SINGLE, /* 1 */ LIST_LONG | STYLE_LONG, /* l - by keeping it after -1, "ls -l -1" ignores -1 */ LIST_LONG | STYLE_LONG, /* g (don't show owner) - handled via OPT_g. assumes l */ - LIST_LONG | STYLE_LONG | LIST_ID_NUMERIC, /* n (assumes l) */ + LIST_LONG | STYLE_LONG, /* n (numeris uid/gid) - handled via OPT_n. assumes l */ 0, /* s */ DISP_ROWS | STYLE_COLUMNAR, /* x */ 0, /* A */ @@ -542,7 +537,7 @@ static NOINLINE unsigned display_single(const struct dnode *dn) /* Do readlink early, so that if it fails, error message * does not appear *inside* the "ls -l" line */ lpath = NULL; - if (G.all_fmt & LIST_LOPT) + if (G.all_fmt & LIST_LONG) if (S_ISLNK(dn->dn_mode)) lpath = xmalloc_readlink_or_warn(dn->fullname); @@ -551,39 +546,40 @@ static NOINLINE unsigned display_single(const struct dnode *dn) //TODO: -h should affect -s too: if (option_mask32 & OPT_s) /* show allocated blocks */ column += printf("%6"OFF_FMT"u ", (off_t) (dn->dn_blocks >> 1)); - if (G.all_fmt & LIST_LOPT) { + if (G.all_fmt & LIST_LONG) { /* long listing: show mode */ column += printf("%-10s ", (char *) bb_mode_string(dn->dn_mode)); /* long listing: show number of links */ column += printf("%4lu ", (long) dn->dn_nlink); - } - if (G.all_fmt & LIST_ID_NUMERIC) { - if (option_mask32 & OPT_g) - column += printf("%-8u ", (int) dn->dn_gid); - else - column += printf("%-8u %-8u ", - (int) dn->dn_uid, - (int) dn->dn_gid); - } + /* long listing: show user/group */ + if (option_mask32 & OPT_n) { + if (option_mask32 & OPT_g) + column += printf("%-8u ", (int) dn->dn_gid); + else + column += printf("%-8u %-8u ", + (int) dn->dn_uid, + (int) dn->dn_gid); + } #if ENABLE_FEATURE_LS_USERNAME - else if (G.all_fmt & LIST_ID_NAME) { - if (option_mask32 & OPT_g) { - column += printf("%-8.8s ", - get_cached_groupname(dn->dn_gid)); - } else { - column += printf("%-8.8s %-8.8s ", - get_cached_username(dn->dn_uid), - get_cached_groupname(dn->dn_gid)); + else { + if (option_mask32 & OPT_g) { + column += printf("%-8.8s ", + get_cached_groupname(dn->dn_gid)); + } else { + column += printf("%-8.8s %-8.8s ", + get_cached_username(dn->dn_uid), + get_cached_groupname(dn->dn_gid)); + } } - } #endif #if ENABLE_SELINUX + } if (option_mask32 & OPT_Z) { column += printf("%-32s ", dn->sid ? dn->sid : "?"); freecon(dn->sid); } + if (G.all_fmt & LIST_LONG) { #endif - if (G.all_fmt & LIST_LOPT) { /* long listing: show size */ if (S_ISBLK(dn->dn_mode) || S_ISCHR(dn->dn_mode)) { column += printf("%4u, %3u ", @@ -601,7 +597,7 @@ static NOINLINE unsigned display_single(const struct dnode *dn) } #if ENABLE_FEATURE_LS_TIMESTAMPS /* long listing: show {m,c,a}time */ - if (G.all_fmt & LIST_FULLTIME) { /* --full-time */ + if (option_mask32 & OPT_full_time) { /* --full-time */ /* coreutils 8.4 ls --full-time prints: * 2009-07-13 17:49:27.000000000 +0200 * we don't show fractional seconds. @@ -1187,8 +1183,6 @@ int ls_main(int argc UNUSED_PARAM, char **argv) option_mask32 &= ~OPT_Z; } #endif - if (opt & OPT_full_time) - G.all_fmt |= LIST_FULLTIME; #if ENABLE_FEATURE_LS_COLOR /* set G_show_color = 1/0 */ @@ -1219,7 +1213,6 @@ int ls_main(int argc UNUSED_PARAM, char **argv) if (ENABLE_FEATURE_LS_RECURSIVE && (G.all_fmt & DISP_NOLIST)) G.all_fmt &= ~DISP_RECURSIVE; /* no recurse if listing only dir */ if ((G.all_fmt & STYLE_MASK) != STYLE_LONG) { /* not -l? */ - G.all_fmt &= ~(LIST_ID_NUMERIC|LIST_ID_NAME); if (ENABLE_FEATURE_LS_TIMESTAMPS && ENABLE_FEATURE_LS_SORTFILES) { /* when to sort by time? -t[cu] sorts by time even with -l */ /* (this is achieved by opt_flags[] element for -t) */ |