122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
/*
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* Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/** @file
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*
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* vsprintf() self-tests
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*
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*/
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/* Forcibly enable assertions */
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#undef NDEBUG
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#include <string.h>
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#include <stdio.h>
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#include <ipxe/test.h>
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/**
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* Report an snprintf() test result
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*
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* @v len Buffer length
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* @v expected Expected result
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* @v file Test code file
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* @v line Test code line
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* @v format Format string
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* @v ... Arguments
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*/
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static void snprintf_okx ( size_t len, const char *expected, const char *file,
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unsigned int line, const char *fmt, ... ) {
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char actual[len];
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size_t actual_len;
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va_list args;
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va_start ( args, fmt );
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actual_len = vsnprintf ( actual, sizeof ( actual ), fmt, args );
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va_end ( args );
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okx ( actual_len >= strlen ( expected ), file, line );
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okx ( strcmp ( actual, expected ) == 0, file, line );
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if ( strcmp ( actual, expected ) != 0 ) {
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DBG ( "SNPRINTF expected \"%s\", got \"%s\"\n",
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expected, actual );
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}
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}
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#define snprintf_ok( len, result, format, ... ) \
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snprintf_okx ( len, result, __FILE__, __LINE__, format, \
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##__VA_ARGS__ )
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/**
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* Perform vsprintf() self-tests
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*
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*/
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static void vsprintf_test_exec ( void ) {
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/* Constant string */
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snprintf_ok ( 16, "Testing", "Testing" );
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/* Constant string, truncated to fit */
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snprintf_ok ( 5, "Test", "Testing" );
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/* Basic format specifiers */
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snprintf_ok ( 16, "%", "%%" );
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snprintf_ok ( 16, "ABC", "%c%c%c", 'A', 'B', 'C' );
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snprintf_ok ( 16, "abc", "%lc%lc%lc", L'a', L'b', L'c' );
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snprintf_ok ( 16, "Hello world", "%s %s", "Hello", "world" );
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snprintf_ok ( 16, "Goodbye world", "%ls %s", L"Goodbye", "world" );
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snprintf_ok ( 16, "0x1234abcd", "%p", ( ( void * ) 0x1234abcd ) );
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snprintf_ok ( 16, "0xa723", "%#x", 0xa723 );
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snprintf_ok ( 16, "a723", "%x", 0xa723 );
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snprintf_ok ( 16, "0x0000a723", "%#08x", 0xa723 );
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snprintf_ok ( 16, "00A723", "%06X", 0xa723 );
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snprintf_ok ( 16, "9876abcd", "%lx", 0x9876abcdUL );
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snprintf_ok ( 16, "1234 5678", "%04llx %04llx", 0x1234ULL, 0x5678ULL );
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snprintf_ok ( 16, "123", "%d", 123 );
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snprintf_ok ( 16, "456", "%i", 456 );
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snprintf_ok ( 16, " 99", "%3d", 99 );
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snprintf_ok ( 16, "099", "%03d", 99 );
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snprintf_ok ( 16, "-72", "%d", -72 );
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snprintf_ok ( 16, " -72", "%4d", -72 );
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snprintf_ok ( 16, "-072", "%04d", -72 );
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snprintf_ok ( 16, "4", "%zd", sizeof ( uint32_t ) );
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snprintf_ok ( 16, "123456789", "%d", 123456789 );
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/* Realistic combinations */
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snprintf_ok ( 64, "DBG 0x1234 thingy at 0x0003f0c0+0x5c\n",
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"DBG %p %s at %#08lx+%#zx\n", ( ( void * ) 0x1234 ),
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"thingy", 0x3f0c0UL, ( ( size_t ) 0x5c ) );
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snprintf_ok ( 64, "PCI 00:1f.3", "PCI %02x:%02x.%x", 0x00, 0x1f, 0x03 );
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snprintf_ok ( 64, "Region [1000000,3f000000)", "Region [%llx,%llx)",
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0x1000000ULL, 0x3f000000ULL );
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/* Null string (used for debug messages) */
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snprintf_ok ( 16, "<NULL>", "%s", ( ( char * ) NULL ) );
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snprintf_ok ( 16, "<NULL>", "%ls", ( ( wchar_t * ) NULL ) );
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}
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/** vsprintf() self-test */
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struct self_test vsprintf_test __self_test = {
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.name = "vsprintf",
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.exec = vsprintf_test_exec,
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};
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