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stb_image: Fix wrong buffer sizes passed to MultiByteToWideChar

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Fixes issue #772.
This commit is contained in:
Fabian Giesen 2021-07-03 00:38:30 -07:00
parent 56a7113cd0
commit 991f1f6419
2 changed files with 4 additions and 4 deletions
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4
stb_image.h
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@ -1316,10 +1316,10 @@ static FILE *stbi__fopen(char const *filename, char const *mode)
#if defined(_MSC_VER) && defined(STBI_WINDOWS_UTF8) #if defined(_MSC_VER) && defined(STBI_WINDOWS_UTF8)
wchar_t wMode[64]; wchar_t wMode[64];
wchar_t wFilename[1024]; wchar_t wFilename[1024];
if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, sizeof(wFilename))) if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, sizeof(wFilename)/sizeof(*wFilename)))
return 0; return 0;
if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode))) if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode)/sizeof(*wMode)))
return 0; return 0;
#if _MSC_VER >= 1400 #if _MSC_VER >= 1400

4
stb_image_write.h
View File

@ -306,10 +306,10 @@ static FILE *stbiw__fopen(char const *filename, char const *mode)
#if defined(_MSC_VER) && defined(STBI_WINDOWS_UTF8) #if defined(_MSC_VER) && defined(STBI_WINDOWS_UTF8)
wchar_t wMode[64]; wchar_t wMode[64];
wchar_t wFilename[1024]; wchar_t wFilename[1024];
if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, sizeof(wFilename))) if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, sizeof(wFilename)/sizeof(*wFilename)))
return 0; return 0;
if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode))) if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode)/sizeof(*wMode)))
return 0; return 0;
#if _MSC_VER >= 1400 #if _MSC_VER >= 1400