tftpd: Ensure that tftp_log() preserves errno.

Sponsored by:	Klara, Inc.
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D38956

This commit is contained in:

Dag-Erling Smørgrav

2023-03-10 13:24:19 +00:00

parent a6dfd2015c

commit 7c21545c46

1 changed files with 4 additions and 0 deletions

									
										libexec/tftpd/tftp-utils.c
									
		+4
		
												View File
												
					@@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$");

					#include <netinet/in.h>

					#include <netinet/in.h>

					#include <arpa/tftp.h>

					#include <arpa/tftp.h>

					#include <errno.h>

					#include <stdarg.h>

					#include <stdarg.h>

					#include <stdio.h>

					#include <stdio.h>

					#include <stdlib.h>

					#include <stdlib.h>

					@@ -148,8 +149,10 @@ void

					tftp_log(int priority, const char *message, ...)

					tftp_log(int priority, const char *message, ...)

					{

					{

						va_list ap;

						va_list ap;

						int serrno;

						char *s;

						char *s;

						serrno = errno;

						va_start(ap, message);

						va_start(ap, message);

						if (_tftp_logtostdout == 0) {

						if (_tftp_logtostdout == 0) {

							vasprintf(&s, message, ap);

							vasprintf(&s, message, ap);

					@@ -159,6 +162,7 @@ tftp_log(int priority, const char *message, ...)

							printf("\n");

							printf("\n");

						}

						}

						va_end(ap);

						va_end(ap);

						errno = serrno;

					}

					}

					/*

					/*