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authorAndre Renaud <andre@bluewatersys.com>2012-02-21 20:48:52 -0600
committerAndre Renaud <andre@bluewatersys.com>2012-02-21 20:48:52 -0600
commit94d673dfa95e13c46814338024eb554ca40eb336 (patch)
tree6928d83937920f506a4c378839c50786e0c09e2b /toys/ls.c
parenteb7204b52ded2b2e8fc10b6af4ae9deb77cd550d (diff)
downloadtoybox-94d673dfa95e13c46814338024eb554ca40eb336.tar.gz
Add in the -n support, and the 64-bit defines. Force ls to act as ls -1 if used in a pipe.
Diffstat (limited to 'toys/ls.c')
-rw-r--r--toys/ls.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/toys/ls.c b/toys/ls.c
index c6eceb73..2e925276 100644
--- a/toys/ls.c
+++ b/toys/ls.c
@@ -6,7 +6,7 @@
*
* See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ls.html
-USE_LS(NEWTOY(ls, "RlF1a", TOYFLAG_BIN))
+USE_LS(NEWTOY(ls, "nRlF1a", TOYFLAG_BIN))
config LS
bool "ls"
@@ -21,6 +21,14 @@ config LS
-l show full details for each file
*/
+/* So that we can do 64-bit stat etc... */
+#define _FILE_OFFSET_BITS 64
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <grp.h>
+#include <pwd.h>
+
#include "toys.h"
#define FLAG_a 1
@@ -28,6 +36,7 @@ config LS
#define FLAG_F 4
#define FLAG_l 8
#define FLAG_R 16
+#define FLAG_n 32
static int dir_filter(const struct dirent *d)
{
@@ -134,13 +143,25 @@ static void do_ls(int fd, char *name)
(st.st_mode & S_IXOTH) ? 'x' : '-');
xprintf("%2d ", st.st_nlink);
- /* FIXME: We're never looking up uid/gid numbers */
- xprintf("%4d ", st.st_uid);
- xprintf("%4d ", st.st_gid);
+ if (toys.optflags & FLAG_n) {
+ xprintf("%4d ", st.st_uid);
+ xprintf("%4d ", st.st_gid);
+ } else {
+ struct passwd *pwd = getpwuid(st.st_uid);
+ struct group *grp = getgrgid(st.st_gid);
+ if (!pwd)
+ xprintf("%4d ", st.st_uid);
+ else
+ xprintf("%-10s ", pwd->pw_name);
+ if (!grp)
+ xprintf("%4d ", st.st_gid);
+ else
+ xprintf("%-10s ", grp->gr_name);
+ }
if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode))
xprintf("%3d, %3d ", major(st.st_rdev), minor(st.st_rdev));
else
- xprintf("%8ld ", st.st_size);
+ xprintf("%12lld ", st.st_size);
localtime_r(&st.st_mtime, &mtime);
@@ -199,6 +220,11 @@ static void do_ls(int fd, char *name)
void ls_main(void)
{
+ /* If the output is not a TTY, then just do one-file per line
+ * This makes ls easier to use with other command line tools (grep/awk etc...)
+ */
+ if (!isatty(fileno(stdout)))
+ toys.optflags |= FLAG_1;
/* Long output must be one-file per line */
if (toys.optflags & FLAG_l)
toys.optflags |= FLAG_1;