Re: [PATCH 5/5] mingw: use {gm,local}time_s as backend for {gm,local}time_r

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Hi Danh,

On Wed, 27 Nov 2019, Doan Tran Cong Danh wrote:

> diff --git a/compat/mingw.c b/compat/mingw.c
> index fe609239dd..7b21f4eee5 100644
> --- a/compat/mingw.c
> +++ b/compat/mingw.c
> @@ -1,6 +1,7 @@
>  #include "../git-compat-util.h"
>  #include "win32.h"
>  #include <conio.h>
> +#include <errno.h>

I actually overlooked this. Please drop this hunk, it should not be needed
(and might break things in the MSVC build).

Thanks,
Dscho

>  #include <wchar.h>
>  #include "../strbuf.h"
>  #include "../run-command.h"
> @@ -986,16 +987,16 @@ int pipe(int filedes[2])
>
>  struct tm *gmtime_r(const time_t *timep, struct tm *result)
>  {
> -	/* gmtime() in MSVCRT.DLL is thread-safe, but not reentrant */
> -	memcpy(result, gmtime(timep), sizeof(struct tm));
> -	return result;
> +	if (gmtime_s(result, timep) == 0)
> +		return result;
> +	return NULL;
>  }
>
>  struct tm *localtime_r(const time_t *timep, struct tm *result)
>  {
> -	/* localtime() in MSVCRT.DLL is thread-safe, but not reentrant */
> -	memcpy(result, localtime(timep), sizeof(struct tm));
> -	return result;
> +	if (localtime_s(result, timep) == 0)
> +		return result;
> +	return NULL;
>  }
>
>  char *mingw_getcwd(char *pointer, int len)
> --
> 2.24.0.158.gd77a74f4dd.dirty
>
>




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