commit - 4520a881d8164136ec55669256567eea65478182
commit + da455e1677ba34f44620a76213c5abce75d91572
blob - e5ee6dd39ffde161751e1ce10e4cc93924b7ffbe
blob + eb3757e17e136bd774a8a29f8467381457ff5761
--- lsblk.c
+++ lsblk.c
@@ -41,6 +41,15 @@
 #include <util.h>
 #include <err.h>
 
+#define PREFIX0_ASCII   "|-"
+#define PREFIX0_UNICODE "├─"
+#define PREFIX1_ASCII   "`-"
+#define PREFIX1_UNICODE "└─"
+#define PREFIX2_ASCII   "| `-"
+#define PREFIX2_UNICODE "│ └─"
+
+static const char *prefix0, *prefix1, *prefix2;
+
 static int diskcount (void)
 {
     const int mib[2] = { CTL_HW, HW_DISKCOUNT };
@@ -132,8 +141,7 @@ enum {
 
 enum {
     OPT_NOHEADER    = 0x01,
-    OPT_NOUNICODE   = 0x02,
-    OPT_NOBIO       = 0x04,
+    OPT_NOBIO       = 0x02,
 };
 
 struct my_diskinfo;
@@ -218,7 +226,7 @@ static void print_part (
     const struct padding *p
 ) {
     if (fields & FIELD_NAME) {
-        const char *prefix = (options & OPT_NOUNICODE) ? "  " : (last ? "└─" : "├─");
+        const char *prefix = last ? prefix1 : prefix0;
         printf (
             "%s%s%c%-*s ",
             prefix,
@@ -278,7 +286,7 @@ static void print_disk (
     const struct padding *p
 ) {
     if (fields & FIELD_NAME) {
-        const char *prefix = raidstatus ? (options & OPT_NOUNICODE ? "    " : "│ └─") : "";
+        const char *prefix = raidstatus ? prefix2 : "";
 
         printf (
             "%s%-*s ",
@@ -579,6 +587,7 @@ int main (int argc, char *argv[])
     int fields = FIELD_DEFAULT;
     int options = 0;
 	int ret = 0;
+    bool ascii = false;
 
     if (unveil ("/dev", "r") == -1)
         err (1, "unveil(/dev)");
@@ -595,7 +604,7 @@ int main (int argc, char *argv[])
             options |= OPT_NOBIO;
             break;
         case 'i':
-            options |= OPT_NOUNICODE;
+            ascii = true;
             break;
         case 'n':
             options |= OPT_NOHEADER;
@@ -622,6 +631,10 @@ int main (int argc, char *argv[])
     if (pledge ("stdio rpath disklabel", NULL) == -1)
         err (1, "pledge()");
 
+    prefix0 = ascii ? PREFIX0_ASCII : PREFIX0_UNICODE;
+    prefix1 = ascii ? PREFIX1_ASCII : PREFIX1_UNICODE;
+    prefix2 = ascii ? PREFIX2_ASCII : PREFIX2_UNICODE;
+
     size_t cap_disks;
     if (argc == 0) {
         const char *s = names;
@@ -700,3 +713,5 @@ int main (int argc, char *argv[])
 
     return ret;
 }
+
+/* vim: set tabstop=4 shiftwidth=4 expandtab: */