deps: Handle escaped newlines in Makefile fragments

michaelforney · Jun 30, 2023 · 217059f · 217059f
1 parent 9d27eb2
commit 217059f
Showing 1 changed file with 7 additions and 14 deletions.
diff --git a/deps.c b/deps.c
@@ -328,21 +328,14 @@ depsparse(const char *name, bool allowmissing)
  if (++n % 2 == 0)
  bufadd(&buf, '\\');
  } while (c == '\\');
- switch (c) {
- case '#':
- /* assume no comments */
- for (; n > 2; n -= 2)
- bufadd(&buf, '\\');
+ if ((c == ' ' || c == '\t') && n % 2 != 0)
  break;
- case ' ':
- case '\t':
- if (n % 2 != 0)
- break;
- /* fallthrough */
- default:
- for (; n > 0; n -= 2)
- bufadd(&buf, '\\');
- continue;
+ for (; n > 2; n -= 2)
+ bufadd(&buf, '\\');
+ switch (c) {
+ case '#': break;
+ case '\n': c = ' '; continue;
+ default: bufadd(&buf, '\\'); continue;
  }
  break;
  case '$':