Fix previous check in #else.

1 files changed, 5 insertions, 5 deletions

diff --git a/deheader b/deheader
index cc04265..05d93fe 100755
--- a/deheader
+++ b/deheader
@@ -1286,13 +1286,13 @@ class InclusionMap:
                         allow_parse_includes = self.check_block(sourcefile, cnt, compiler, "", defines + " " + std, maker, verbosity, showerrs, subdir)
                     conditions.append((c, allow_parse_includes))
                 elif match_preproc("else", line) is not False:
-                    if self.get_prev_flag(conditions) == True:
+                    if self.get_prev_flag(conditions, 2) == True:
                         allow_parse_includes = not allow_parse_includes
                     else:
                         allow_parse_includes = False
                 elif match_preproc("endif", line) is not False:
                     conditions.pop()
-                    allow_parse_includes = self.get_prev_flag(conditions)
+                    allow_parse_includes = self.get_prev_flag(conditions, 1)
                 else:
                     f = match_preproc("include", line)
                     if f is not False:
@@ -1321,11 +1321,11 @@ class InclusionMap:
             for ref in trimmedcount:
                 if trimmedcount[ref] > 1:
                     print("deheader: %s has more than one inclusion of %s" % (sourcefile, ref))
-    def get_prev_flag(self, conditions):
-        if len(conditions) == 0:
+    def get_prev_flag(self, conditions, pos):
+        if len(conditions) < pos:
             return True
         else:
-            return conditions[len(conditions) - 1][1]
+            return conditions[len(conditions) - pos][1]
     def forget(self, sourcefile, header):
         "Forget a header dependency."
         self.depends_on[sourcefile].remove(header)