more asserts

This commit is contained in:
Kyle Isom 2020-02-10 23:49:05 -08:00
parent 1b9b2626eb
commit 93fd4e8bc7
1 changed files with 14 additions and 6 deletions

View File

@ -109,6 +109,7 @@ void
ab_free(struct abuf *buf)
{
free(buf->b);
buf->b = NULL;
}
@ -205,7 +206,9 @@ update_row(erow *row)
}
free(row->render);
row->render = NULL;
row->render = malloc(row->size + (tabs * (TAB_STOP-1)) + 1);
assert(row->render != NULL);
for (j = 0; j < row->size; j++) {
if (row->line[j] == '\t') {
@ -377,6 +380,7 @@ open_file(const char *filename)
free(editor.filename);
editor.filename = strdup(filename);
assert(editor.filename != NULL);
editor.dirty = 0;
if ((fp = fopen(filename, "r")) == NULL) {
@ -398,6 +402,7 @@ open_file(const char *filename)
}
free(line);
line = NULL;
fclose(fp);
}
@ -418,13 +423,13 @@ rows_to_buffer(int *buflen)
len += editor.row[j].size+1;
}
if (len == 0) {
return NULL;
}
*buflen = len;
if (len) {
buf = malloc(len);
if (buf == NULL) {
abort();
}
}
assert(buf != NULL);
p = buf;
for (j = 0; j < editor.nrows; j++) {
@ -1155,6 +1160,9 @@ loop()
void
init_editor()
{
editor.cols = 0;
editor.rows = 0;
if (get_winsz(&editor.rows, &editor.cols) == -1) {
die("can't get window size");
}