[git commit master] df: unicode-aware column formatting. By Tomas Heinrich (theinric AT redhat.com)

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=200d522fb85c24dd1ed36e5fcc29c1140b8b428b
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 coreutils/df.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/coreutils/df.c b/coreutils/df.c
index 4bbfe94..c37b188 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -25,6 +25,7 @@
 #include <mntent.h>
 #include <sys/vfs.h>
 #include "libbb.h"
+#include "unicode.h"
 
 #if !ENABLE_FEATURE_HUMAN_READABLE
 static unsigned long kscale(unsigned long b, unsigned long bs)
@@ -57,6 +58,8 @@ int df_main(int argc, char **argv)
 	const char *disp_units_hdr = NULL;
 	char *chp;
 
+	check_unicode_in_env();
+
 #if ENABLE_FEATURE_HUMAN_READABLE && ENABLE_FEATURE_DF_FANCY
 	opt_complementary = "k-mB:m-Bk:B-km";
 #elif ENABLE_FEATURE_HUMAN_READABLE
@@ -108,6 +111,9 @@ int df_main(int argc, char **argv)
 	while (1) {
 		const char *device;
 		const char *mount_point;
+#if ENABLE_FEATURE_ASSUME_UNICODE
+		size_t dev_len;
+#endif
 
 		if (mount_table) {
 			mount_entry = getmntent(mount_table);
@@ -169,8 +175,18 @@ int df_main(int argc, char **argv)
 			}
 #endif
 
+#if ENABLE_FEATURE_ASSUME_UNICODE
+			dev_len = bb_mbstrlen(device);
+			if (dev_len > 20) {
+				printf("%s\n%20s", device, "");
+			} else {
+				printf("%s%*s", device, 20 - dev_len, "");
+			}
+#else
 			if (printf("\n%-20s" + 1, device) > 20)
 				    printf("\n%-20s", "");
+#endif
+
 #if ENABLE_FEATURE_HUMAN_READABLE
 			printf(" %9s ",
 				make_human_readable_str(s.f_blocks, s.f_bsize, df_disp_hr));
-- 
1.6.3.3