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Don't use lstrlenW() on Windows

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The lstrlenW() function isn't available to UWP apps, and isn't necessary, since
when given -1, WideCharToMultiByte() will process the terminating null character
itself (and the length returned by the function includes this character).

Resolves #2994

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove 2023-02-10 12:52:13 +00:00
parent 834e65d47f
commit b96c309395
1 changed files with 2 additions and 2 deletions
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4
library/x509_crt.c
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@ -1449,8 +1449,8 @@ int mbedtls_x509_crt_parse_path(mbedtls_x509_crt *chain, const char *path)
} }
w_ret = WideCharToMultiByte(CP_ACP, 0, file_data.cFileName, w_ret = WideCharToMultiByte(CP_ACP, 0, file_data.cFileName,
lstrlenW(file_data.cFileName), -1,
p, (int) len - 1, p, (int) len,
NULL, NULL); NULL, NULL);
if (w_ret == 0) { if (w_ret == 0) {
ret = MBEDTLS_ERR_X509_FILE_IO_ERROR; ret = MBEDTLS_ERR_X509_FILE_IO_ERROR;