Use internal \*_strerror_r

libc/misc/error/err.c

@@ -34,7 +34,7 @@ static void vwarn_work(const char *format, va_list args, int showerr)
 	f = fmt + 11;				/* At 11. */
 	if (showerr) {
 		f -= 4;					/* At 7. */
-		__xpg_strerror_r(errno, buf, sizeof(buf));
+		__xpg_strerror_r_internal(errno, buf, sizeof(buf));
 	}
 
 	__STDIO_AUTO_THREADLOCK(stderr);

libc/stdio/old_vfprintf.c

@@ -450,7 +450,7 @@ int vfprintf(FILE * __restrict op, register const char * __restrict fmt,
 			if (*fmt == 'm') {
 				flag[FLAG_PLUS] = '\0';
 				flag[FLAG_0_PAD] = ' ';
-				p = __glibc_strerror_r(errno, tmp, sizeof(tmp));
+				p = __glibc_strerror_r_internal(errno, tmp, sizeof(tmp));
 				goto print;
 			}
 #endif

libc/stdio/perror.c

@@ -30,7 +30,7 @@ void attribute_hidden __perror(register const char *s)
 	{
 		char buf[64];
 		fprintf(stderr, "%s%s%s\n", s, sep,
-				__glibc_strerror_r(errno, buf, sizeof(buf)));
+				__glibc_strerror_r_internal(errno, buf, sizeof(buf)));
 	}
 #endif
 }

libc/stdio/vfprintf.c

@@ -1736,7 +1736,7 @@ static int _do_one_spec(FILE * __restrict stream,
 
 #ifdef __UCLIBC_HAS_PRINTF_M_SPEC__
 		} else if (ppfs->conv_num == CONV_m) {
-			s = __glibc_strerror_r(errno, buf, sizeof(buf));
+			s = __glibc_strerror_r_internal(errno, buf, sizeof(buf));
 			goto SET_STRING_LEN;
 #endif
 		} else {