From a182d8c6c1c98536979110f1bd17d3c5e41f910c Mon Sep 17 00:00:00 2001 From: "Dmitry V. Levin" Date: Wed, 27 Apr 2016 20:29:46 +0000 Subject: [PATCH] tests: add printxval function to libtests * tests/tests.h (printxval): New prototype. * tests/printxval.c: New file. * tests/Makefile.am (libtests_a_SOURCES): Add it. --- tests/Makefile.am | 1 + tests/printxval.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++ tests/tests.h | 6 +++++- 3 files changed, 57 insertions(+), 1 deletion(-) create mode 100644 tests/printxval.c diff --git a/tests/Makefile.am b/tests/Makefile.am index d644a474..4846d132 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -50,6 +50,7 @@ libtests_a_SOURCES = \ overflowuid.c \ print_quoted_string.c \ printflags.c \ + printxval.c \ tail_alloc.c \ tests.h \ tprintf.c \ diff --git a/tests/printxval.c b/tests/printxval.c new file mode 100644 index 00000000..4fb61c84 --- /dev/null +++ b/tests/printxval.c @@ -0,0 +1,51 @@ +/* + * Copyright (c) 1991, 1992 Paul Kranenburg + * Copyright (c) 1993 Branko Lankester + * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey + * Copyright (c) 1996-1999 Wichert Akkerman + * Copyright (c) 2005-2016 Dmitry V. Levin + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "tests.h" +#include "xlat.h" +#include + +int +printxval(const struct xlat *xlat, unsigned long long val, + const char *const dflt) +{ + for (; xlat->str; xlat++) { + if (xlat->val == val) { + fputs(xlat->str, stdout); + return 1; + } + } + + printf("%#llx", val); + if (dflt) + printf(" /* %s */", dflt); + return 0; +} diff --git a/tests/tests.h b/tests/tests.h index 5604efc3..8c466bfd 100644 --- a/tests/tests.h +++ b/tests/tests.h @@ -90,10 +90,14 @@ void check_overflowgid(const int); /* Translate errno to its name. */ const char *errno2name(void); -/* Print flags in symbolic form according to xlat table. */ struct xlat; + +/* Print flags in symbolic form according to xlat table. */ int printflags(const struct xlat *, const unsigned long long, const char *); +/* Print constant in symbolic form according to xlat table. */ +int printxval(const struct xlat *, const unsigned long long, const char *); + # define ARRAY_SIZE(arg) ((unsigned int) (sizeof(arg) / sizeof((arg)[0]))) # define LENGTH_OF(arg) ((unsigned int) sizeof(arg) - 1) -- 2.40.0