freerdp/winpr/libwinpr/environment/test/TestEnvironmentGetSetEB.c

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2023-05-09 21:29:50 +00:00
#include <stdio.h>
#include <winpr/crt.h>
#include <winpr/tchar.h>
#include <winpr/environment.h>
int TestEnvironmentGetSetEB(int argc, char* argv[])
{
int rc = 0;
#ifndef _WIN32
char test[1024];
TCHAR* p = NULL;
DWORD length;
LPTCH lpszEnvironmentBlock = "SHELL=123\0test=1\0test1=2\0DISPLAY=WINPR_TEST_VALUE\0\0";
LPTCH lpszEnvironmentBlockNew = NULL;
rc = -1;
/* Get length of an variable */
length = GetEnvironmentVariableEBA(lpszEnvironmentBlock, "DISPLAY", NULL, 0);
if (0 == length)
return -1;
/* Get the variable itself */
p = (LPSTR)malloc(length);
if (!p)
goto fail;
if (GetEnvironmentVariableEBA(lpszEnvironmentBlock, "DISPLAY", p, length) != length - 1)
goto fail;
printf("GetEnvironmentVariableA(WINPR_TEST_VARIABLE) = %s\n", p);
if (strcmp(p, "WINPR_TEST_VALUE") != 0)
goto fail;
/* Get length of an non-existing variable */
length = GetEnvironmentVariableEBA(lpszEnvironmentBlock, "BLA", NULL, 0);
if (0 != length)
{
printf("Unset variable returned\n");
goto fail;
}
/* Get length of an similar called variables */
length = GetEnvironmentVariableEBA(lpszEnvironmentBlock, "XDISPLAY", NULL, 0);
if (0 != length)
{
printf("Similar named variable returned (XDISPLAY, length %d)\n", length);
goto fail;
}
length = GetEnvironmentVariableEBA(lpszEnvironmentBlock, "DISPLAYX", NULL, 0);
if (0 != length)
{
printf("Similar named variable returned (DISPLAYX, length %d)\n", length);
goto fail;
}
length = GetEnvironmentVariableEBA(lpszEnvironmentBlock, "DISPLA", NULL, 0);
if (0 != length)
{
printf("Similar named variable returned (DISPLA, length %d)\n", length);
goto fail;
}
length = GetEnvironmentVariableEBA(lpszEnvironmentBlock, "ISPLAY", NULL, 0);
if (0 != length)
{
printf("Similar named variable returned (ISPLAY, length %d)\n", length);
goto fail;
}
/* Set variable in empty environment block */
if (SetEnvironmentVariableEBA(&lpszEnvironmentBlockNew, "test", "5"))
{
if (GetEnvironmentVariableEBA(lpszEnvironmentBlockNew, "test", test, 1023))
{
if (strcmp(test, "5") != 0)
goto fail;
}
else
goto fail;
}
/* Clear variable */
if (SetEnvironmentVariableEBA(&lpszEnvironmentBlockNew, "test", NULL))
{
if (GetEnvironmentVariableEBA(lpszEnvironmentBlockNew, "test", test, 1023))
goto fail;
else
{
// not found .. this is expected
}
}
free(lpszEnvironmentBlockNew);
lpszEnvironmentBlockNew = (LPTCH)calloc(1024, sizeof(TCHAR));
if (!lpszEnvironmentBlockNew)
goto fail;
memcpy(lpszEnvironmentBlockNew, lpszEnvironmentBlock, length);
/* Set variable in empty environment block */
if (SetEnvironmentVariableEBA(&lpszEnvironmentBlockNew, "test", "5"))
{
if (0 != GetEnvironmentVariableEBA(lpszEnvironmentBlockNew, "testr", test, 1023))
{
printf("GetEnvironmentVariableEBA returned unset variable\n");
goto fail;
}
if (GetEnvironmentVariableEBA(lpszEnvironmentBlockNew, "test", test, 1023))
{
if (strcmp(test, "5") != 0)
goto fail;
}
else
goto fail;
}
rc = 0;
fail:
free(p);
free(lpszEnvironmentBlockNew);
#endif
return rc;
}