https://git.ruby-lang.org/ruby.git/commit/?id=b4daa44270

From b4daa442704204b93a586fb7b696998f33b29c72 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 19 Aug 2019 16:32:57 +0900
Subject: Use modifier for pid_t


diff --git a/error.c b/error.c
index 8c3aade..6b858c1 100644
--- a/error.c
+++ b/error.c
@@ -524,7 +524,7 @@ bug_report_begin_valist(FILE *out, const char *fmt, va_list args) https://github.com/ruby/ruby/blob/trunk/error.c#L524
 #if RUBY_DEVEL
     const char *cmd = getenv("RUBY_ON_BUG");
     if (cmd) {
-        snprintf(buf, sizeof(buf), "%s %d", cmd, getpid());
+        snprintf(buf, sizeof(buf), "%s %"PRI_PIDT_PREFIX"d", cmd, getpid());
         int r = system(buf);
         if (r == -1) {
             snprintf(buf, sizeof(buf), "Launching RUBY_ON_BUG command failed.");
-- 
cgit v0.10.2


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