git: 27e54c9f1628 - stable/13 - __vprintf(): switch from strerror() to strerror_rl()

[Konstantin Belousov]

The branch stable/13 has been updated by kib:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=27e54c9f162879fcbf6f1d9dc221b98c8180f012

commit 27e54c9f162879fcbf6f1d9dc221b98c8180f012
Author:     Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2024-04-23 17:10:30 +0000
Commit:     Konstantin Belousov <k...@freebsd.org>
CommitDate: 2024-04-30 00:49:53 +0000

    __vprintf(): switch from strerror() to strerror_rl()
    
    PR:     278556
    
    (cherry picked from commit f887667694632c829b0599b54ff86a072e93df87)
---
 lib/libc/stdio/vfprintf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index ad655c5d78d4..e656a2707d3a 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -316,6 +316,8 @@ __vfprintf(FILE *fp, locale_t locale, const char *fmt0, 
va_list ap)
        int width;              /* width from format (%8d), or 0 */
        int prec;               /* precision from format; <0 for N/A */
        int saved_errno;
+       int error;
+       char errnomsg[NL_TEXTMAX];
        char sign;              /* sign prefix (' ', '+', '-', or \0) */
        struct grouping_state gs; /* thousands' grouping info */
 
@@ -777,7 +779,9 @@ fp_common:
                        break;
 #endif /* !NO_FLOATING_POINT */
                case 'm':
-                       cp = strerror(saved_errno);
+                       error = __strerror_rl(saved_errno, errnomsg,
+                           sizeof(errnomsg), locale);
+                       cp = error == 0 ? errnomsg : "<strerror failure>";
                        size = (prec >= 0) ? strnlen(cp, prec) : strlen(cp);
                        sign = '\0';
                        break;