od, hexdump: byte 0x11 is "dc1" not "dcl"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 45 insertions, 9 deletions

diff --git a/libbb/dump.c b/libbb/dump.c
index 21c6c7083..fc145edf9 100644
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -516,10 +516,12 @@ static void conv_u(PR *pr, unsigned char *p)
 	static const char list[] ALIGN1 =
 		"nul\0soh\0stx\0etx\0eot\0enq\0ack\0bel\0"
 		"bs\0_ht\0_lf\0_vt\0_ff\0_cr\0_so\0_si\0_"
-		"dle\0dcl\0dc2\0dc3\0dc4\0nak\0syn\0etb\0"
+		"dle\0dc1\0dc2\0dc3\0dc4\0nak\0syn\0etb\0"
 		"can\0em\0_sub\0esc\0fs\0_gs\0_rs\0_us";
+	/* NB: bug: od uses %_u to implement -a,
+	 * but it should use "nl", not "lf", for char #10.
+	 */
 
-	/* od used nl, not lf */
 	if (*p <= 0x1f) {
 		*pr->cchar = 's';
 		printf(pr->fmt, list + (4 * (int)*p));
diff --git a/testsuite/hexdump.tests b/testsuite/hexdump.tests
index cfb20187e..084156af4 100755
--- a/testsuite/hexdump.tests
+++ b/testsuite/hexdump.tests
@@ -34,4 +34,20 @@ testing "hexdump thinks last full block can match" \
 	'' \
 	'\0\0\0\0\0\0\0\0\0\0\0\0'
 
+testing "hexdump e %3_u" \
+	"hexdump -e '16/1 \" %3_u\" \"\n\"'" \
+	"\
+ nul soh stx etx eot enq ack bel  bs  ht  lf  vt  ff  cr  so  si
+ dle dc1 dc2 dc3 dc4 nak syn etb can  em sub esc  fs  gs  rs  us
+   p   q   r   s   t   u   v   w   x   y   z   {   |   }   ~ del
+  80  81  82  83  84  85  86  87  88  89  8a  8b  8c  8d  8e  8f
+  f0  f1  f2  f3  f4  f5  f6  f7  f8  f9  fa  fb  fc  fd  fe  ff
+" \
+	"" \
+"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"\
+"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"\
+"\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f"\
+"\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"\
+"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"\
+
 exit $FAILCOUNT
diff --git a/testsuite/od.tests b/testsuite/od.tests
index 677968967..fce66efbb 100755
--- a/testsuite/od.tests
+++ b/testsuite/od.tests
@@ -26,21 +26,39 @@ optional !DESKTOP
 testing "od -a (!DESKTOP)" \
         "od -a" \
 "\
-0000000 soh stx etx  lf   A   B   C  fe
-0000010
+0000000 nul soh stx etx eot enq ack bel  bs  ht  lf  vt  ff  cr  so  si
+0000020 dle dc1 dc2 dc3 dc4 nak syn etb can  em sub esc  fs  gs  rs  us
+0000040   p   q   r   s   t   u   v   w   x   y   z   {   |   }   ~ del
+0000060  80  81  82  83  84  85  86  87  88  89  8a  8b  8c  8d  8e  8f
+0000100  f0  f1  f2  f3  f4  f5  f6  f7  f8  f9  fa  fb  fc  fd  fe  ff
+0000120
 " \
-	"" "$input"
+	"" \
+"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"\
+"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"\
+"\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f"\
+"\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"\
+"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
 SKIP=
-# ^^^ a bit incorrect handling of ctrl/high bytes.
+# ^^^ a bit incorrect handling of ctrl ("lf" should be "nl") and high bytes.
 # vvv this output is correct.
 optional DESKTOP
 testing "od -a (DESKTOP)" \
         "od -a" \
 "\
-0000000 soh stx etx  nl   A   B   C   ~
-0000010
+0000000 nul soh stx etx eot enq ack bel  bs  ht  nl  vt  ff  cr  so  si
+0000020 dle dc1 dc2 dc3 dc4 nak syn etb can  em sub esc  fs  gs  rs  us
+0000040   p   q   r   s   t   u   v   w   x   y   z   {   |   }   ~ del
+0000060 nul soh stx etx eot enq ack bel  bs  ht  nl  vt  ff  cr  so  si
+0000100   p   q   r   s   t   u   v   w   x   y   z   {   |   }   ~ del
+0000120
 " \
-	"" "$input"
+	"" \
+"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"\
+"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"\
+"\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f"\
+"\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"\
+"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
 SKIP=
 
 testing "od -B" \