sss

commit c530813b9987540f5d82e43263b34e646045c5cd
parent 6a8c20979854892b4e22de44281ffb14c2a0faaf
Author: Pavel Renev <an2qzavok@gmail.com>
Date:   Tue, 29 Sep 2020 18:57:04 +0000

fixed crash on empty cell data

Diffstat:
M
cells.c
 | 
20
+++++++++++---------

1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/cells.c b/cells.c
@@ -117,15 +117,15 @@ table_get(Stack *T, Addr addr)
 Stack*
 table_read(char *path)
 {
-	Stack *T, *N;
+	Stack *T;
 	Value *v;
 	char b, *buf;
 	long bufsize, x, y;
 	int fd;
-	N = T = empty_table();
+	T = empty_table();
+	buf = mallocz(1, 1);
 	bufsize = 0;
 	x = 0;
-	buf = nil;
 	y = 0;
 	fd = open(path, OREAD);
 	if (fd == 0) return nil;
@@ -136,7 +136,8 @@ table_read(char *path)
 			*v = mk_value(xy2addr(x, y), buf);
 			push(T, v);
 			bufsize = 0;
-			buf = realloc(buf, 0);
+			buf = realloc(buf, 1);
+			*buf = 0;
 			x++;
 			break;
 		case '\n':
@@ -144,7 +145,8 @@ table_read(char *path)
 			*v = mk_value(xy2addr(x, y), buf);
 			push(T, v);
 			bufsize = 0;
-			buf = realloc(buf, 0);
+			buf = realloc(buf, 1);
+			*buf = 0;
 			y++;
 			x = 0;
 			break;
@@ -156,14 +158,14 @@ table_read(char *path)
 		}
 	}
 	if (buf != nil) {
-		N = table_put(T, mk_value(xy2addr(x, y), buf));
-		free_table(T);
-		free(T);
+		v = malloc(sizeof(Value));
+		*v = mk_value(xy2addr(x, y), buf);
+		push(T, v);
 	}
 	realloc(buf, 0);
 	close(fd);
 
-	return N;
+	return T;
 }