From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 15 Aug 2024 21:43:45 +0000 (+0100)
Subject: Provide proper declarations of functions
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=c8adf1039faffcf3fe4748bab7625ccf5d32ee70;p=vtwm.git

Provide proper declarations of functions

Fixes the build with C99 / GCC-14.

Closes: #1075632
---

diff --git a/gram.y b/gram.y
index ac41412..6375e3f 100644
--- a/gram.y
+++ b/gram.y
@@ -118,6 +118,14 @@ extern int SetSound();
  */
 extern int yylineno;
 
+/*
+ * yylex must be declared in C99.  GCC 14 doesn't like it without.
+ *
+ * This thread is of some interest
+ *   https://lists.gnu.org/r/bug-bison/2022-01/msg00002.html
+ */
+extern int yylex();
+
 %}
 
 %union
diff --git a/parse.c b/parse.c
index 050794a..0d9223a 100644
--- a/parse.c
+++ b/parse.c
@@ -370,6 +370,7 @@ void twmUnput (c)
 
 void
 TwmOutput(c)
+    int c;
 {
     putchar(c);
 }
diff --git a/regions.c b/regions.c
index 1067f1c..4a74cb2 100644
--- a/regions.c
+++ b/regions.c
@@ -99,6 +99,8 @@ splitRegionEntry (re, grav1, grav2, w, h)
 
 int
 roundEntryUp (v, multiple)
+    int v;
+    int multiple;
 {
     return ((v + multiple - 1) / multiple) * multiple;
 }