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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4maiwdsz.ctr
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+%% 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;
+}
+