%% options copyright owner = Dirk Krause copyright year = 2015-xxxx license = bsd %% header /** @file Retrieve unsigned char value from wchar_t string in decimal notation. */ #ifndef DK4CONF_H_INCLUDED #include "dk4conf.h" #endif #ifndef DK4TYPES_H_INCLUDED #include "dk4types.h" #endif #ifndef DK4ERROR_H_INCLUDED #include "dk4error.h" #endif #ifdef __cplusplus extern "C" { #endif /** Retrieve numeric value from string, decimal notation. @param rp Pointer to result variable for the found value. @param src String to check for numeric value. @param endptr Address of pointer variable. A pointer to the first character not processed is stored here. The function may also store a NULL pointer in this variable. The variable points to the correct error position only if er.ec is DK4_E_SYNTAX. @param atg Allow trailing garbage: 0=no unprocessable trailing bytes allowed, 1=trailing whitespaces allowed, 2=any trailing characters allowed. @param erp Error report, may be NULL. @return 1 on success, 0 on error. Error codes: DK4_E_INVALID_ARGUMENTS if rp or src is NULL, DK4_E_MATH_OVERFLOW if the number is out of range, or DK4_E_SYNTAX if src contains illegal characters. */ int dk4ma_input_wc_dec_uchar( unsigned char *rp, const wchar_t *src, const wchar_t **endptr, int atg, dk4_er_t *erp ); #ifdef __cplusplus } #endif %% module #include "dk4maiwduc.h" #include "dk4maiwddu.h" #include "dk4numco.h" int dk4ma_input_wc_dec_uchar( unsigned char *rp, const wchar_t *src, const wchar_t **endptr, int atg, dk4_er_t *erp ) { dk4_um_t res; int back = 0; if (0 != dk4ma_input_wc_dec_dk4_um_t(&res, src, endptr, atg, erp)) { if (((dk4_um_t)(UCHAR_MAX)) >= res) { *rp = (unsigned char)res; back = 1; } else { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } return back; }