3 /* vsscanf( const char *, const char *, va_list arg )
5 This file is part of the Public Domain C Library (PDCLib).
6 Permission is granted to use, modify, and / or redistribute at will.
15 int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, va_list arg )
17 /* TODO: This function should interpret format as multibyte characters. */
18 struct _PDCLIB_status_t status;
24 status.s = (char *) s;
28 va_copy( status.arg, arg );
30 while ( *format != '\0' )
33 if ( ( *format != '%' ) || ( ( rc = _PDCLIB_scan( format, &status ) ) == format ) )
35 /* No conversion specifier, match verbatim */
36 if ( isspace( *format ) )
38 /* Whitespace char in format string: Skip all whitespaces */
39 /* No whitespaces in input do not result in matching error */
40 while ( isspace( *status.s ) )
48 /* Non-whitespace char in format string: Match verbatim */
49 if ( *status.s != *format )
64 /* NULL return code indicates input error */
69 /* Continue parsing after conversion specifier */
80 #include <_PDCLIB_test.h>
84 char const * teststring1 = "abc def";
85 char const * teststring2 = "abcdef";
86 char const * teststring3 = "abc%def";
88 TESTCASE( sscanf( teststring2, "abcdef%n", &x ) == 0 );
90 TESTCASE( sscanf( teststring1, "abc def%n", &x ) == 0 );
92 TESTCASE( sscanf( teststring2, "abc def%n", &x ) == 0 );
94 TESTCASE( sscanf( teststring3, "abc%%def%n", &x ) == 0 );