bore

commit a4a97949e33195bc2a81ee05aa11f76707c8d885
parent 05371b27d32de17361a9b3647ee949b72bb20ea2
Author: phoebos <ben@bvnf.space>
Date:   Tue, 12 Oct 2021 21:41:36 +0100

ls: add -q

Diffstat:
M
PROGRESS
 | 
2
+-
M
ls.c
 | 
23
+++++++++++++++++++----

2 files changed, 20 insertions(+), 5 deletions(-)
diff --git a/PROGRESS b/PROGRESS
@@ -22,7 +22,7 @@
 [ ] id
 [ ] kill
 [ ] ln
-[ ] ls [-1AFacipu]
+[ ] ls [-1AFacipuq]
 [ ] mkdir
 [ ] more
 [ ] mv
diff --git a/ls.c b/ls.c
@@ -1,3 +1,4 @@
+#include <ctype.h>
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -21,6 +22,7 @@ enum {
     FLAG_l = 1 << 6,
     FLAG_p = 1 << 7,
     FLAG_u = 1 << 8,
+    FLAG_q = 1 << 9,
 };
 
 struct ent {
@@ -71,6 +73,16 @@ pretty_print_perms(mode_t mode) {
     printf(" ");
 }
 
+void
+qprint(const char *name, int qflag) {
+    for (const char *c = name; *c; c++) {
+        if (isprint(*c) || !qflag)
+            putchar(*c);
+        else
+            putchar('?');
+    }
+}
+
 int
 printname(struct ent *e, uint32_t flags) {
     if (flags & FLAG_i)
@@ -129,7 +141,7 @@ printname(struct ent *e, uint32_t flags) {
         printf("%s ", buf);
     }
 
-    printf("%s", e->name);
+    qprint(e->name, flags & FLAG_q);
 
     char s = 0;
     if (flags & FLAG_p)
@@ -239,10 +251,10 @@ main(int argc, char **argv) {
     uint32_t flags;
     flags = ret_val = 0;
 
-    while ((c = getopt(argc, argv, "1AFachilpu")) != -1) {
+    while ((c = getopt(argc, argv, "1AFachilpuq")) != -1) {
         switch (c) {
             case '1':
-                flags |= FLAG_1;
+                flags |= FLAG_1 | FLAG_q;
                 break;
             case 'A':
                 flags |= FLAG_A;
@@ -257,7 +269,7 @@ main(int argc, char **argv) {
                 flags |= FLAG_c;
                 break;
             case 'h':
-                printf("usage: %s [-1AFacilpu]\n", argv[0]);
+                printf("usage: %s [-1AFacilpuq]\n", argv[0]);
                 return 0;
             case 'i':
                 flags |= FLAG_i;
@@ -271,6 +283,9 @@ main(int argc, char **argv) {
             case 'u':
                 flags |= FLAG_u;
                 break;
+            case 'q':
+                flags |= FLAG_q;
+                break;
         }
     }
     argv += optind - 1;