X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=3940bbddad4f4c7894add413c21d5b0a79b85fe3;hb=d5f4554431f82424af40600ed6835672ab8e44ae;hp=a203c72cfb9e1c0093b6acda7e6bfcc4359f22f6;hpb=8b4bfe31ec1075316dbb2e7d21753771ae3e5590;p=st.git

diff --git a/st.c b/st.c
index a203c72..3940bbd 100644
--- a/st.c
+++ b/st.c
@@ -1,5 +1,4 @@
 /* See LICENSE for licence details. */
-/* See LICENSE for licence details. */
 #define _XOPEN_SOURCE
 #include <ctype.h>
 #include <errno.h>
@@ -37,8 +36,8 @@
 /* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
 enum { ATnone=0 , ATreverse=1 , ATunderline=2, ATbold=4 };
 enum { CSup, CSdown, CSright, CSleft, CShide, CSdraw, CSwrap, CSsave, CSload };
-enum { CRset=1 , CRupdate=2 };
-enum { TMwrap=1 , TMinsert=2, TMaltcharset };
+enum { CRset=1, CRupdate=2 };
+enum { TMwrap=1, TMinsert=2, TMaltcharset };
 enum { SCupdate, SCredraw };
 
 typedef int Color;
@@ -592,10 +591,16 @@ tsetscroll(int t, int b) {
 
 void
 eschandle(void) { 
-	/* escdump(); */
 	switch(escseq.pre) {
+	default:
+		goto unknown_seq;
 	case '[':
 		switch(escseq.mode) {
+		default:
+		unknown_seq:
+			fprintf(stderr, "erresc: unknown sequence\n");
+			escdump();
+			break;
 		case '@': /* Insert <n> blank char */
 			DEFAULT(escseq.arg[0], 1);
 			tinsertblank(escseq.arg[0]);
@@ -713,15 +718,13 @@ eschandle(void) {
 void
 escdump(void) { 
 	int i;
-	puts("------");
 	printf("rawbuf	: %s\n", escseq.buf);
 	printf("prechar : %c\n", escseq.pre);
 	printf("private : %c\n", escseq.priv ? '?' : ' ');
 	printf("narg	: %d\n", escseq.narg);
-	if(escseq.narg) {
+	if(escseq.narg)
 		for(i = 0; i < escseq.narg; i++)
 			printf("\targ %d = %d\n", i, escseq.arg[i]);
-	}
 	printf("mode	: %c\n", escseq.mode);
 }