/********************************************************/

/*  ntapi: Native API core library                      */

/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */

/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */

/********************************************************/

#include <psxtypes/psxtypes.h>

#include <ntapi/ntapi.h>

#include "ntapi_impl.h"

int32_t __stdcall __ntapi_tt_get_env_var_meta_utf8(

	__in	char *			env_var_name,

	__in	char **			envp,

	__out	nt_env_var_meta_utf8 *	env_var_meta)

{

	char **		penv;

	char *		ch;

	/* lookup */

	for (penv=envp; *penv; penv++) {

		for (ch=penv[0]; *ch && (*ch != '='); )

			ch++;

		if (*ch != '=')

			return NT_STATUS_INVALID_USER_BUFFER;

		if ((ch > *penv) && !(__ntapi->tt_strncmp_multibyte(

				*penv,

				env_var_name,

				ch - *penv))) {

			/* match */

			env_var_meta->name       = *penv;

			env_var_meta->value      = ++ch;

			env_var_meta->envp_index = penv - envp;

			env_var_meta->flags      = 0;

			return NT_STATUS_SUCCESS;

		}

	}

	return NT_STATUS_NOT_FOUND;

}

int32_t __stdcall __ntapi_tt_get_env_var_meta_utf16(

	__in	wchar16_t *		env_var_name,

	__in	wchar16_t **		envp,

	__out	nt_env_var_meta_utf16 *	env_var_meta)

{

	wchar16_t **	penv;

	wchar16_t *	wch;

	/* lookup */

	for (penv=envp; *penv; penv++) {

		for (wch=penv[0]; *wch && (*wch != '='); )

			wch++;

		if (*wch != '=')

			return NT_STATUS_INVALID_USER_BUFFER;

		if ((wch > *penv) && !(__ntapi->tt_strncmp_utf16(

				*penv,

				env_var_name,

				wch - *penv))) {

			/* match */

			env_var_meta->name       = *penv;

			env_var_meta->value      = ++wch;

			env_var_meta->envp_index = penv - envp;

			env_var_meta->flags      = 0;

			return NT_STATUS_SUCCESS;

		}

	}

	return NT_STATUS_NOT_FOUND;

}