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avrdude: Fix string encoding handling on Windows

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This commit is contained in:
Vojtech Kral
2019-02-27 11:53:09 +01:00
parent c426c99af0
commit bc1aaaa146
8 changed files with 206 additions and 135 deletions
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45
src/avrdude/windows/utf8.c Normal file
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#include "utf8.h"
char* wstr_to_utf8(LPWSTR wstr, int len)
{
char *res = NULL;
int res_size = WideCharToMultiByte(CP_UTF8, 0, wstr, len, NULL, 0, NULL, NULL);
if (res_size > 0) {
// Note: WideCharToMultiByte doesn't null-terminate if real (ie. > 0) buffer length is passed
res = malloc(len != - 1 ? res_size + 1 : res_size);
if (res == NULL) { return NULL; }
if (WideCharToMultiByte(CP_UTF8, 0, wstr, len, res, res_size, NULL, NULL) == res_size) {
if (len != -1) { res[res_size] = '\0'; }
} else {
free(res);
return NULL;
}
}
return res;
}
LPWSTR utf8_to_wstr(const char *str, int len)
{
LPWSTR res = NULL;
int res_size = MultiByteToWideChar(CP_UTF8, 0, str, len, NULL, 0);
if (res_size > 0) {
// Note: MultiByteToWideChar doesn't null-terminate if real (ie. > 0) buffer length is passed
res = malloc(len != - 1 ? res_size + 1 : res_size);
if (res == NULL) { return NULL; }
if (MultiByteToWideChar(CP_UTF8, 0, str, len, res, res_size) == res_size) {
if (len != -1) { res[res_size] = L'\0'; }
} else {
free(res);
return NULL;
}
}
return res;
}

10
src/avrdude/windows/utf8.h Normal file
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#ifndef SLIC3R_AVRDUDE_UTF8_H
#define SLIC3R_AVRDUDE_UTF8_H
#include <windows.h>
extern char* wstr_to_utf8(LPWSTR wstr, int len);
extern LPWSTR utf8_to_wstr(const char *str, int len);
#endif // SLIC3R_AVRDUDE_UTF8_H