312 lines
12 KiB
C
312 lines
12 KiB
C
/*
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* Unit test suite for *scanf functions.
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*
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* Copyright 2002 Uwe Bonnes
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdio.h>
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#include "wine/test.h"
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static void test_sscanf( void )
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{
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char buffer[100], buffer1[100];
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char format[20];
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int result, ret;
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LONGLONG result64;
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char c;
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void *ptr;
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float res1= -82.6267f, res2= 27.76f, res11, res12;
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double double_res;
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static const char pname[]=" St. Petersburg, Florida\n";
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int hour=21,min=59,sec=20;
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int number,number_so_far;
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/* check EOF */
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strcpy(buffer,"");
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ret = sscanf(buffer, "%d", &result);
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ok( ret == EOF,"sscanf returns %x instead of %x\n", ret, EOF );
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/* check %p */
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ok( sscanf("000000000046F170", "%p", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == (void *)0x46F170,"sscanf reads %p instead of %x\n", ptr, 0x46F170 );
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ok( sscanf("0046F171", "%p", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == (void *)0x46F171,"sscanf reads %p instead of %x\n", ptr, 0x46F171 );
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ok( sscanf("46F172", "%p", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == (void *)0x46F172,"sscanf reads %p instead of %x\n", ptr, 0x46F172 );
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ok( sscanf("0x46F173", "%p", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == NULL,"sscanf reads %p instead of %x\n", ptr, 0 );
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ok( sscanf("-46F174", "%p", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == (void *)(ULONG_PTR)-0x46f174,"sscanf reads %p instead of %p\n",
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ptr, (void *)(ULONG_PTR)-0x46f174 );
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ok( sscanf("+46F175", "%p", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == (void *)0x46F175,"sscanf reads %p instead of %x\n", ptr, 0x46F175 );
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/* check %p with no hex digits */
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ok( sscanf("1233", "%p", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == (void *)0x1233,"sscanf reads %p instead of %x\n", ptr, 0x1233 );
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ok( sscanf("1234", "%P", &ptr) == 1, "sscanf failed\n" );
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ok( ptr == (void *)0x1234,"sscanf reads %p instead of %x\n", ptr, 0x1234 );
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/* check %x */
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strcpy(buffer,"0x519");
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ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
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ok( result == 0x519,"sscanf reads %x instead of %x\n", result, 0x519 );
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strcpy(buffer,"0x51a");
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ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
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ok( result == 0x51a ,"sscanf reads %x instead of %x\n", result, 0x51a );
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strcpy(buffer,"0x51g");
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ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
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ok( result == 0x51, "sscanf reads %x instead of %x\n", result, 0x51 );
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result = 0;
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ret = sscanf("-1", "%x", &result);
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ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
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ok(result == -1, "Read %d, expected -1\n", result);
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/* check % followed by any char */
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strcpy(buffer,"\"%12@");
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strcpy(format,"%\"%%%d%@"); /* work around gcc format check */
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ok( sscanf(buffer, format, &result) == 1, "sscanf failed\n" );
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ok( result == 12, "sscanf reads %x instead of %x\n", result, 12 );
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/* Check float */
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ret = sprintf(buffer,"%f %f",res1, res2);
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ok( ret == 20, "expected 20, got %u\n", ret);
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ret = sscanf(buffer,"%f%f",&res11, &res12);
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ok( ret == 2, "expected 2, got %u\n", ret);
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ok( (res11 == res1) && (res12 == res2), "Error reading floats\n");
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/* Check double */
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ret = sprintf(buffer, "%lf", 32.715);
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ok(ret == 9, "expected 9, got %u\n", ret);
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ret = sscanf(buffer, "%lf", &double_res);
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ok(ret == 1, "expected 1, got %u\n", ret);
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ok(double_res == 32.715, "Got %lf, expected %lf\n", double_res, 32.715);
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ret = sscanf(buffer, "%Lf", &double_res);
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ok(ret == 1, "expected 1, got %u\n", ret);
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ok(double_res == 32.715, "Got %lf, expected %lf\n", double_res, 32.715);
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strcpy(buffer, "1.1e-30");
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ret = sscanf(buffer, "%lf", &double_res);
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ok(ret == 1, "expected 1, got %u\n", ret);
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ok(double_res >= 1.1e-30-1e-45 && double_res <= 1.1e-30+1e-45,
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"Got %.18le, expected %.18le\n", double_res, 1.1e-30);
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/* check strings */
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ret = sprintf(buffer," %s", pname);
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ok( ret == 26, "expected 26, got %u\n", ret);
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ret = sscanf(buffer,"%*c%[^\n]",buffer1);
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ok( ret == 1, "Error with format \"%s\"\n","%*c%[^\n]");
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ok( strncmp(pname,buffer1,strlen(buffer1)) == 0, "Error with \"%s\" \"%s\"\n",pname, buffer1);
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ret = sscanf("abcefgdh","%*[a-cg-e]%c",&buffer[0]);
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ok( ret == 1, "Error with format \"%s\"\n","%*[a-cg-e]%c");
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ok( buffer[0] == 'd', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
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ret = sscanf("abcefgdh","%*[a-cd-dg-e]%c",&buffer[0]);
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ok( ret == 1, "Error with format \"%s\"\n","%*[a-cd-dg-e]%c");
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ok( buffer[0] == 'h', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
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buffer1[0] = 'b';
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ret = sscanf("a","%s%s", buffer, buffer1);
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ok( ret == 1, "expected 1, got %u\n", ret);
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ok( buffer[0] == 'a', "buffer[0] = '%c'\n", buffer[0]);
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ok( buffer[1] == '\0', "buffer[1] = '%c'\n", buffer[1]);
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ok( buffer1[0] == 'b', "buffer1[0] = '%c'\n", buffer1[0]);
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/* check digits */
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ret = sprintf(buffer,"%d:%d:%d",hour,min,sec);
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ok( ret == 8, "expected 8, got %u\n", ret);
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ret = sscanf(buffer,"%d%n",&number,&number_so_far);
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ok(ret == 1 , "problem with format arg \"%%d%%n\"\n");
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ok(number == hour,"Read wrong arg %d instead of %d\n",number, hour);
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ok(number_so_far == 2,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
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ret = sscanf(buffer+2,"%*c%n",&number_so_far);
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ok(ret == 0 , "problem with format arg \"%%*c%%n\"\n");
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ok(number_so_far == 1,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
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result = 0xdeadbeef;
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strcpy(buffer,"12345678");
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ret = sscanf(buffer, "%hd", &result);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(result == 0xdead614e, "Wrong number read (%x)\n", result);
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result = 0xdeadbeef;
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ret = sscanf(buffer, "%hhd", &result);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(result == 0xbc614e, "Wrong number read (%x)\n", result);
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strcpy(buffer,"12345678901234");
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ret = sscanf(buffer, "%lld", &result64);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ret = sprintf(buffer1, "%lld", result64);
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ok(ret==14 || broken(ret==10), "sprintf returned %d\n", ret);
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if(ret == 14)
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ok(!strcmp(buffer, buffer1), "got %s, expected %s\n", buffer1, buffer);
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/* Check %i according to bug 1878 */
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strcpy(buffer,"123");
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ret = sscanf(buffer, "%i", &result);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(result == 123, "Wrong number read\n");
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result = 0;
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ret = sscanf("-1", "%i", &result);
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ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
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ok(result == -1, "Read %d, expected -1\n", result);
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ret = sscanf(buffer, "%d", &result);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(result == 123, "Wrong number read\n");
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result = 0;
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ret = sscanf("-1", "%d", &result);
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ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
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ok(result == -1, "Read %d, expected -1\n", result);
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/* Check %i for octal and hexadecimal input */
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result = 0;
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strcpy(buffer,"017");
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ret = sscanf(buffer, "%i", &result);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(result == 15, "Wrong number read\n");
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result = 0;
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strcpy(buffer,"0x17");
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ret = sscanf(buffer, "%i", &result);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(result == 23, "Wrong number read\n");
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/* %o */
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result = 0;
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ret = sscanf("-1", "%o", &result);
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ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
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ok(result == -1, "Read %d, expected -1\n", result);
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/* %u */
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result = 0;
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ret = sscanf("-1", "%u", &result);
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ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
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ok(result == -1, "Read %d, expected -1\n", result);
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/* Check %c */
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strcpy(buffer,"a");
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c = 0x55;
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ret = sscanf(buffer, "%c", &c);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(c == 'a', "Field incorrect: '%c'\n", c);
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strcpy(buffer," a");
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c = 0x55;
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ret = sscanf(buffer, "%c", &c);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(c == ' ', "Field incorrect: '%c'\n", c);
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strcpy(buffer,"18:59");
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c = 0x55;
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ret = sscanf(buffer, "%d:%d%c", &hour, &min, &c);
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ok(ret == 2, "Wrong number of arguments read: %d\n", ret);
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ok(hour == 18, "Field 1 incorrect: %d\n", hour);
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ok(min == 59, "Field 2 incorrect: %d\n", min);
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ok(c == 0x55, "Field 3 incorrect: 0x%02x\n", c);
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/* Check %n (also whitespace in format strings and %s) */
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buffer[0]=0; buffer1[0]=0;
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ret = sscanf("abc def", "%s %n%s", buffer, &number_so_far, buffer1);
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ok(strcmp(buffer, "abc")==0, "First %%s read incorrectly: %s\n", buffer);
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ok(strcmp(buffer1,"def")==0, "Second %%s read incorrectly: %s\n", buffer1);
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ok(number_so_far==6, "%%n yielded wrong result: %d\n", number_so_far);
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ok(ret == 2, "%%n shouldn't count as a conversion: %d\n", ret);
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/* Check where %n matches to EOF in buffer */
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strcpy(buffer, "3:45");
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ret = sscanf(buffer, "%d:%d%n", &hour, &min, &number_so_far);
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ok(ret == 2, "Wrong number of arguments read: %d\n", ret);
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ok(number_so_far == 4, "%%n yielded wrong result: %d\n", number_so_far);
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}
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static void test_sscanf_s(void)
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{
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int (__cdecl *psscanf_s)(const char*,const char*,...);
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HMODULE hmod = GetModuleHandleA("msvcrt.dll");
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int i, ret;
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char buf[100];
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psscanf_s = (void*)GetProcAddress(hmod, "sscanf_s");
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if(!psscanf_s) {
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win_skip("sscanf_s not available\n");
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return;
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}
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ret = psscanf_s("123", "%d", &i);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(i == 123, "i = %d\n", i);
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ret = psscanf_s("123", "%s", buf, 100);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(!strcmp("123", buf), "buf = %s\n", buf);
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ret = psscanf_s("123", "%s", buf, 3);
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ok(ret == 0, "Wrong number of arguments read: %d\n", ret);
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ok(buf[0]=='\0', "buf = %s\n", buf);
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buf[0] = 'a';
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ret = psscanf_s("123", "%3c", buf, 2);
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ok(ret == 0, "Wrong number of arguments read: %d\n", ret);
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ok(buf[0]=='\0', "buf = %s\n", buf);
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i = 1;
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ret = psscanf_s("123 123", "%s %d", buf, 2, &i);
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ok(ret == 0, "Wrong number of arguments read: %d\n", ret);
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ok(i==1, "i = %d\n", i);
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i = 1;
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ret = psscanf_s("123 123", "%d %s", &i, buf, 2);
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ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
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ok(i==123, "i = %d\n", i);
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}
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static void test_swscanf( void )
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{
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wchar_t buffer[100];
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int result, ret;
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static const WCHAR formatd[] = {'%','d',0};
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/* check WEOF */
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/* WEOF is an unsigned short -1 but swscanf returns int
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so it should be sign-extended */
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buffer[0] = 0;
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ret = swscanf(buffer, formatd, &result);
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/* msvcrt returns 0 but should return -1 (later versions do) */
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ok( ret == (short)WEOF || broken(ret == 0),
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"swscanf returns %x instead of %x\n", ret, WEOF );
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}
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START_TEST(scanf)
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{
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test_sscanf();
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test_sscanf_s();
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test_swscanf();
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}
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