Use signal handler safe dprintf() instead of asprintf + write

OK millert@

diff --git a/regress/lib/libpthread/siginfo/siginfo.c b/regress/lib/libpthread/siginfo/siginfo.c
index 1cd872f..58a1ed6 100644 (file)
--- a/regress/lib/libpthread/siginfo/siginfo.c
+++ b/regress/lib/libpthread/siginfo/siginfo.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: siginfo.c,v 1.11 2016/09/01 11:04:37 guenther Exp $ */
+/* $OpenBSD: siginfo.c,v 1.12 2024/08/29 15:16:43 claudio Exp $ */
 /* PUBLIC DOMAIN Oct 2002 <marc@snafu.org> */
 
 /*
@@ -19,16 +19,14 @@ static void
 act_handler(int signal, siginfo_t *siginfo, void *context)
 {
        struct sigaction sa;
-       char * str;
 
        CHECKe(sigaction(SIGSEGV, NULL, &sa));
        ASSERT(sa.sa_handler == SIG_DFL);
        ASSERT(siginfo != NULL);
-       asprintf(&str, "act_handler: signal %d, siginfo %p, context %p\n"
-                "addr %p, code %d, trap %d\n", signal, siginfo, context,
-                siginfo->si_addr, siginfo->si_code, siginfo->si_trapno);
-       write(STDOUT_FILENO, str, strlen(str));
-       free(str);
+       dprintf(STDOUT_FILENO, "act_handler: signal %d, siginfo %p, "
+                "context %p\naddr %p, code %d, trap %d\n", signal, siginfo,
+                context, siginfo->si_addr, siginfo->si_code,
+                siginfo->si_trapno);
        ASSERT(siginfo->si_addr == BOGUS);
        ASSERT(siginfo->si_code == SEGV_MAPERR ||
               siginfo->si_code == SEGV_ACCERR);