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%[a-z] and %[z-a] are interpreted as equivalent to %[abcde...z].

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Added some scanf tests.
This commit is contained in:
Peter Berg Larsen 2004-01-06 21:36:10 +00:00 committed by Alexandre Julliard
parent 5d19e6c374
commit a457ee0a3d
2 changed files with 23 additions and 6 deletions
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14
dlls/msvcrt/scanf.h
View File

@ -444,13 +444,17 @@ int _FUNCTION_ {
format++;
}
while(*format && (*format != ']')) {
/* According to:
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccore98/html/_crt_scanf_width_specification.asp
* "Note that %[a-z] and %[z-a] are interpreted as equivalent to %[abcde...z]." */
if((*format == '-') && (*(format + 1) != ']')) {
int n = 0;
for(;(n + *(format - 1)) < *(format + 1); n++)
RtlSetBits(&bitMask, n + *(format - 1), 1);
if ((*(format - 1)) < *(format + 1))
RtlSetBits(&bitMask, *(format - 1) +1 , *(format + 1) - *(format - 1));
else
RtlSetBits(&bitMask, *(format + 1) , *(format - 1) - *(format + 1));
format++;
}
RtlSetBits(&bitMask, *format, 1);
} else
RtlSetBits(&bitMask, *format, 1);
format++;
}
/* read until char is not suitable */

15
dlls/msvcrt/tests/scanf.c
View File

@ -57,19 +57,32 @@ static void test_sscanf( void )
ok( sscanf(buffer, format, &result) == 1, "sscanf failed" );
ok( result == 12, "sscanf reads %x instead of %x", result, 12 );
/*Check float */
/* Check float */
ret = sprintf(buffer,"%f %f",res1, res2);
ret = sscanf(buffer,"%f%f",&res11, &res12);
ok( (res11 == res1) && (res12 == res2), "Error reading floats");
/* check strings */
ret = sprintf(buffer," %s", pname);
ret = sscanf(buffer,"%*c%[^\n]",buffer1);
ok( ret == 1, "Error with format \"%s\"","%*c%[^\n]");
ok( strncmp(pname,buffer1,strlen(buffer1)) == 0, "Error with \"%s\" \"%s\"",pname, buffer1);
ret = sscanf("abcefgdh","%*[a-cg-e]%c",&buffer[0]);
ok( ret == 1, "Error with format \"%s\"","%*[a-cg-e]%c");
ok( buffer[0] == 'd', "Error with \"abcefgdh\" \"%c\"", buffer[0]);
ret = sscanf("abcefgdh","%*[a-cd-dg-e]%c",&buffer[0]);
ok( ret == 1, "Error with format \"%s\"","%*[a-cd-dg-e]%c");
ok( buffer[0] == 'h', "Error with \"abcefgdh\" \"%c\"", buffer[0]);
/* check digits */
ret = sprintf(buffer,"%d:%d:%d",hour,min,sec);
ret = sscanf(buffer,"%d%n",&number,&number_so_far);
ok(ret == 1 , "problem with format arg \"%%d%%n\"");
ok(number == hour,"Read wrong arg %d instead of %d",number, hour);
ok(number_so_far == 2,"Read wrong arg for \"%%n\" %d instead of 2",number_so_far);
ret = sscanf(buffer+2,"%*c%n",&number_so_far);
ok(ret == 0 , "problem with format arg \"%%*c%%n\"");
ok(number_so_far == 1,"Read wrong arg for \"%%n\" %d instead of 2",number_so_far);