Don't go into infinite loop on fs error, print file attributes as letters.

kofu.c

@@ -67,6 +67,15 @@ const char *get_f70_status_name(f70status s) {
     }
 }
 
+void convert_f70_file_attr(uint32_t attr, char s[KF_ATTR_CNT+1]) {
+    s[0] = (attr & KF_READONLY) ? 'r' : '-';
+    s[1] = (attr & KF_HIDDEN)   ? 'h' : '-';
+    s[2] = (attr & KF_SYSTEM)   ? 's' : '-';
+    s[3] = (attr & KF_LABEL)    ? 'l' : '-';
+    s[4] = (attr & KF_FOLDER)   ? 'f' : '-';
+    s[5] = '\0';
+}
+
 void print_f70_status(f70ret_t *r, int use_ebx) {
     printf("status = %d %s", r->status, get_f70_status_name(r->status));
     if (use_ebx && (r->status == F70_ERROR_SUCCESS || r->status == F70_ERROR_END_OF_FILE))
@@ -203,13 +212,17 @@ void ls_range(f70s1arg_t *f70) {
         f70->offset += f70->size;
         print_f70_status(&r, 1);
         f70s1info_t *dir = f70->buf;
-        assert(r.count <= f70->size);
-        assert(dir->cnt == r.count);
-        assert((r.status == F70_ERROR_SUCCESS && r.count == f70->size) ||
-               (r.status == F70_ERROR_END_OF_FILE && r.count < f70->size)
-              );
+        int ok = (r.count <= f70->size);
+        ok &= (dir->cnt == r.count);
+        ok &= (r.status == F70_ERROR_SUCCESS && r.count == f70->size)
+              || (r.status == F70_ERROR_END_OF_FILE && r.count < f70->size);
+        assert(ok);
+        if (!ok)
+            break;
         for (size_t i = 0; i < dir->cnt; i++) {
-            printf("%s\n", dir->bdfes[i].name);
+            char fattr[KF_ATTR_CNT+1];
+            convert_f70_file_attr(dir->bdfes[i].attr, fattr);
+            printf("%s %s\n", fattr, dir->bdfes[i].name);
         }
         if (r.status == F70_ERROR_END_OF_FILE) {
             break;
@@ -222,18 +235,21 @@ void ls_all(f70s1arg_t *f70) {
     while (true) {
         kos_lfn(f70, &r);
         print_f70_status(&r, 1);
-        if (r.status != F70_ERROR_SUCCESS && r.status != F70_ERROR_END_OF_FILE) {
-            abort();
-        }
+        assert((r.status == F70_ERROR_SUCCESS && r.count == f70->size)
+              || (r.status == F70_ERROR_END_OF_FILE && r.count < f70->size));
         f70s1info_t *dir = f70->buf;
         f70->offset += dir->cnt;
-        assert(r.count <= f70->size);
-        assert(dir->cnt == r.count);
-        assert((r.status == F70_ERROR_SUCCESS && r.count == f70->size) ||
-               (r.status == F70_ERROR_END_OF_FILE && r.count < f70->size)
-              );
+        int ok = (r.count <= f70->size);
+        ok &= (dir->cnt == r.count);
+        ok &= (r.status == F70_ERROR_SUCCESS && r.count == f70->size)
+              || (r.status == F70_ERROR_END_OF_FILE && r.count < f70->size);
+        assert(ok);
+        if (!ok)
+            break;
         for (size_t i = 0; i < dir->cnt; i++) {
-            printf("%s\n", dir->bdfes[i].name);
+            char fattr[KF_ATTR_CNT+1];
+            convert_f70_file_attr(dir->bdfes[i].attr, fattr);
+            printf("%s %s\n", fattr, dir->bdfes[i].name);
         }
         if (r.status == F70_ERROR_END_OF_FILE) {
             break;
@@ -269,8 +285,10 @@ void kofu_stat(int argc, const char **argv) {
     print_f70_status(&r, 0);
     if (r.status != F70_ERROR_SUCCESS)
         return;
-    printf("attr: 0x%2.2x\n", file.attr);
-    if (!file.attr) {   // don't show size for dirs
+    char fattr[KF_ATTR_CNT+1];
+    convert_f70_file_attr(file.attr, fattr);
+    printf("attr: %s\n", fattr);
+    if ((file.attr & KF_FOLDER) == 0) {   // don't show size for dirs
         printf("size: %llu\n", file.size);
     }
 

kolibri.h

@@ -87,6 +87,7 @@ typedef struct {
 #define KF_SYSTEM   0x04
 #define KF_LABEL    0x08
 #define KF_FOLDER   0x10
+#define KF_ATTR_CNT 5
 
 #define HASH_SIZE 32
 typedef struct {

makefile

@@ -1,7 +1,7 @@
 FASM=fasm
 CC=gcc
 WARNINGS=-Wall -Wextra -Wduplicated-cond -Wduplicated-branches -Wlogical-op -Wrestrict -Wnull-dereference -Wjump-misses-init -Wshadow -Wformat=2 -Wswitch -Wswitch-enum #-Wconversion -Wsign-conversion
-CFLAGS=$(WARNINGS) -g -O0 -D_FILE_OFFSET_BITS=64 -Wno-address-of-packed-member
+CFLAGS=$(WARNINGS) -g -O0 -D_FILE_OFFSET_BITS=64 -Wno-address-of-packed-member -DNDEBUG
 CFLAGS_32=-m32
 LDFLAGS=
 LDFLAGS_32=-m32

test/002_f70s1_ls_all_dir_types_ftype0_b4k_n2b.t

@@ -4,4 +4,6 @@ ls /hd0/1/block
 ls /hd0/1/leaf
 ls /hd0/1/node
 ls /hd0/1/btree
+ls /hd0/1/sf/.
+ls /hd0/1/sf/..
 disk_del hd0

test/004_f70s5_stat.ref

@@ -1,24 +1,44 @@
 /> disk_add ../img/s512_xfs_v4_ftype0_b4k_n2b.img hd0
 /hd0/1: xfs
-#stat /hd0/1/sf/.
+/> stat /hd0/1/sf/.
+status = 0 success
+attr: ----f
 /> stat /hd0/1/sf/..
 status = 0 success
-attr: 0x10
+attr: ----f
+/> stat /hd0/1/sf///
+status = 0 success
+attr: ----f
+/> stat /hd0/1/sf///.
+status = 0 success
+attr: ----f
+/> stat /hd0/1/sf///..
+status = 0 success
+attr: ----f
+/> stat /hd0/1/sf/../sf
+status = 0 success
+attr: ----f
+/> stat /hd0/1/sf/../sf/
+status = 0 success
+attr: ----f
+#stat /hd0/1/sf///..//sf
+#stat /hd0/1/sf///..//sf/
+
 /> stat /hd0/1/sf/d0000000000_
 status = 0 success
-attr: 0x10
+attr: ----f
 /> stat /hd0/1/sf/d0000000001_x
 status = 0 success
-attr: 0x10
+attr: ----f
 /> stat /hd0/1/sf/d0000000002_xx
 status = 0 success
-attr: 0x10
+attr: ----f
 /> stat /hd0/1/sf/d0000000003_xxx
 status = 5 file_not_found
 
 /> cd /hd0/1/sf
 sf> stat d0000000001_x
 status = 0 success
-attr: 0x10
+attr: ----f
 sf> stat d0000000003_xxx
 status = 5 file_not_found

test/004_f70s5_stat.t

@@ -1,6 +1,14 @@
 disk_add ../img/s512_xfs_v4_ftype0_b4k_n2b.img hd0
-#stat /hd0/1/sf/.
+stat /hd0/1/sf/.
 stat /hd0/1/sf/..
+stat /hd0/1/sf///
+stat /hd0/1/sf///.
+stat /hd0/1/sf///..
+stat /hd0/1/sf/../sf
+stat /hd0/1/sf/../sf/
+#stat /hd0/1/sf///..//sf
+#stat /hd0/1/sf///..//sf/
+
 stat /hd0/1/sf/d0000000000_
 stat /hd0/1/sf/d0000000001_x
 stat /hd0/1/sf/d0000000002_xx