From owner-svn-src-stable@freebsd.org Thu Jan 10 10:37:21 2019 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1F30F1485971; Thu, 10 Jan 2019 10:37:21 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B847675A61; Thu, 10 Jan 2019 10:37:20 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id A947B2A1E; Thu, 10 Jan 2019 10:37:20 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x0AAbK0k013533; Thu, 10 Jan 2019 10:37:20 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x0AAbKFc013530; Thu, 10 Jan 2019 10:37:20 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201901101037.x0AAbKFc013530@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Thu, 10 Jan 2019 10:37:20 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r342915 - in stable/12/lib/libc: gen include string X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: in stable/12/lib/libc: gen include string X-SVN-Commit-Revision: 342915 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: B847675A61 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-0.998,0]; NEURAL_HAM_SHORT(-0.97)[-0.970,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Jan 2019 10:37:21 -0000 Author: kib Date: Thu Jan 10 10:37:19 2019 New Revision: 342915 URL: https://svnweb.freebsd.org/changeset/base/342915 Log: MFC r342551, r342574: Bump sys_errlist size to keep ABI backward-compatible for some time. Modified: stable/12/lib/libc/gen/errlst.c stable/12/lib/libc/include/errlst.h stable/12/lib/libc/string/strerror.c Directory Properties: stable/12/ (props changed) Modified: stable/12/lib/libc/gen/errlst.c ============================================================================== --- stable/12/lib/libc/gen/errlst.c Thu Jan 10 08:54:33 2019 (r342914) +++ stable/12/lib/libc/gen/errlst.c Thu Jan 10 10:37:19 2019 (r342915) @@ -33,9 +33,12 @@ __SCCSID("@(#)errlst.c 8.2 (Berkeley) 11/16/93"); __FBSDID("$FreeBSD$"); +#include #include #include "errlst.h" +const char __uprefix[] = "Unknown error"; + const char *const sys_errlist[] = { "No error: 0", /* 0 - ENOERROR */ "Operation not permitted", /* 1 - EPERM */ @@ -155,8 +158,67 @@ const char *const sys_errlist[] = { "Not permitted in capability mode", /* 94 - ECAPMODE */ "State not recoverable", /* 95 - ENOTRECOVERABLE */ "Previous owner died", /* 96 - EOWNERDEAD */ + +/* + * Reserved space in sys_errlist, take the next slot for a next error code. + * Reserve prevents the array size from changing for some time. + */ + __uprefix, /* 97 */ + __uprefix, /* 98 */ + __uprefix, /* 99 */ + __uprefix, /* 100 */ + __uprefix, /* 101 */ + __uprefix, /* 102 */ + __uprefix, /* 103 */ + __uprefix, /* 104 */ + __uprefix, /* 105 */ + __uprefix, /* 106 */ + __uprefix, /* 107 */ + __uprefix, /* 108 */ + __uprefix, /* 109 */ + __uprefix, /* 110 */ + __uprefix, /* 111 */ + __uprefix, /* 112 */ + __uprefix, /* 113 */ + __uprefix, /* 114 */ + __uprefix, /* 115 */ + __uprefix, /* 116 */ + __uprefix, /* 117 */ + __uprefix, /* 118 */ + __uprefix, /* 119 */ + __uprefix, /* 120 */ + __uprefix, /* 121 */ + __uprefix, /* 122 */ + __uprefix, /* 123 */ + __uprefix, /* 124 */ + __uprefix, /* 125 */ + __uprefix, /* 126 */ + __uprefix, /* 127 */ + __uprefix, /* 128 */ + __uprefix, /* 129 */ + __uprefix, /* 130 */ + __uprefix, /* 131 */ + __uprefix, /* 132 */ + __uprefix, /* 133 */ + __uprefix, /* 134 */ + __uprefix, /* 135 */ + __uprefix, /* 136 */ + __uprefix, /* 137 */ + __uprefix, /* 138 */ + __uprefix, /* 139 */ + __uprefix, /* 140 */ + __uprefix, /* 141 */ + __uprefix, /* 142 */ + __uprefix, /* 143 */ + __uprefix, /* 144 */ + __uprefix, /* 145 */ + __uprefix, /* 146 */ + __uprefix, /* 147 */ + __uprefix, /* 148 */ + __uprefix, /* 149 */ + __uprefix, /* 150 */ }; -const int sys_nerr = sizeof(sys_errlist) / sizeof(sys_errlist[0]); +const int sys_nerr = ELAST + 1; #ifdef PIC __strong_reference(sys_errlist, __hidden_sys_errlist); Modified: stable/12/lib/libc/include/errlst.h ============================================================================== --- stable/12/lib/libc/include/errlst.h Thu Jan 10 08:54:33 2019 (r342914) +++ stable/12/lib/libc/include/errlst.h Thu Jan 10 10:37:19 2019 (r342915) @@ -42,4 +42,6 @@ extern const int __hidden_sys_nerr __hidden; #define __hidden_sys_nerr sys_nerr #endif +extern const char __uprefix[] __hidden; + #endif /* __ERRLST_H__ */ Modified: stable/12/lib/libc/string/strerror.c ============================================================================== --- stable/12/lib/libc/string/strerror.c Thu Jan 10 08:54:33 2019 (r342914) +++ stable/12/lib/libc/string/strerror.c Thu Jan 10 10:37:19 2019 (r342915) @@ -46,22 +46,19 @@ __FBSDID("$FreeBSD$"); #include "errlst.h" -#define UPREFIX "Unknown error" - /* - * Define a buffer size big enough to describe a 64-bit signed integer - * converted to ASCII decimal (19 bytes), with an optional leading sign - * (1 byte); finally, we get the prefix, delimiter (": ") and a trailing - * NUL from UPREFIX. + * Define buffer big enough to contain delimiter (": ", 2 bytes), + * 64-bit signed integer converted to ASCII decimal (19 bytes) with + * optional leading sign (1 byte), and a trailing NUL. */ -#define EBUFSIZE (20 + 2 + sizeof(UPREFIX)) +#define EBUFSIZE (2 + 19 + 1 + 1) /* * Doing this by hand instead of linking with stdio(3) avoids bloat for * statically linked binaries. */ static void -errstr(int num, char *uprefix, char *buf, size_t len) +errstr(int num, const char *uprefix, char *buf, size_t len) { char *t; unsigned int uerr; @@ -94,9 +91,9 @@ strerror_r(int errnum, char *strerrbuf, size_t buflen) if (errnum < 0 || errnum >= __hidden_sys_nerr) { errstr(errnum, #if defined(NLS) - catgets(catd, 1, 0xffff, UPREFIX), + catgets(catd, 1, 0xffff, __uprefix), #else - UPREFIX, + __uprefix, #endif strerrbuf, buflen); retval = EINVAL;