diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4maiwdsz.ctr |
Initial commit
Diffstat (limited to 'support/dktools/dk4maiwdsz.ctr')
-rw-r--r-- | support/dktools/dk4maiwdsz.ctr | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/support/dktools/dk4maiwdsz.ctr b/support/dktools/dk4maiwdsz.ctr new file mode 100644 index 0000000000..5a70963f03 --- /dev/null +++ b/support/dktools/dk4maiwdsz.ctr @@ -0,0 +1,182 @@ +%% options + +copyright owner = Dirk Krause +copyright year = 2015-xxxx +license = bsd + + + +%% header + +/** @file + Retrieve size_t 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_size_t( + size_t *rp, + const wchar_t *src, + const wchar_t **endptr, + int atg, + dk4_er_t *erp +); + +#ifdef __cplusplus +} +#endif + +%% module + +#include "dk4maiwddu.h" +#include "dk4maiwdui.h" +#include "dk4numco.h" +#include "dk4strw.h" + + + +#if 0 +int +dk4ma_input_wc_dec_size_t( + size_t *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)(SIZE_MAX)) >= res) { + *rp = (size_t)res; + back = 1; + } else { + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } + return back; +} +#endif + + + +int +dk4ma_input_wc_dec_size_t( + size_t *rp, + const wchar_t *src, + const wchar_t **endptr, + int atg, + dk4_er_t *erp +) +{ + const wchar_t *myend = NULL; + dk4_um_t um = (dk4_um_t)0UL; + size_t res = 0; + size_t factor = 1; + size_t nloop = 0; + int back = 0; + + if ((NULL != rp) && (NULL != src)) { + if (0 != dk4ma_input_wc_dec_dk4_um_t(&um, src, &myend, 2, erp)) { + if (((dk4_um_t)(SIZE_MAX)) >= um) { + res = (size_t)um; + if (NULL != myend) { + back = 1; + switch (*myend) { + case 'k': case 'K': { nloop = 1; myend++; } break; + case 'm': case 'M': { nloop = 2; myend++; } break; + case 'g': case 'G': { nloop = 3; myend++; } break; + case 't': case 'T': { nloop = 4; myend++; } break; + } + while (nloop--) { + if ((SIZE_MAX / 1024) >= factor) { + factor *= 1024; + } else { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } + if (0 != back) { + if ((SIZE_MAX / factor) >= res) { + res *= factor; + switch (atg) { + case 2: { + *rp = res; + } break; + case 1: { + myend = dk4strw_start(myend, NULL); + if (NULL != myend) { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } else { + *rp = res; + } + } break; + default: { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } break; + } + } else { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } else { + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } else { + *rp = res; + back = 1; + } + } else { + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } + } else { + dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); + } + if (NULL != endptr) { *endptr = myend; } + return back; +} + |