/*
* @implemented
*/
void __getmainargs(int* argc, char*** argv, char*** env, int expand_wildcards, int* new_mode)
{
int i, afterlastspace, ignorespace, doexpand;
size_t len;
char* aNewCmdln;
/* missing threading init */
i = 0;
afterlastspace = 0;
ignorespace = 0;
doexpand = expand_wildcards;
if (__argv && _environ)
{
*argv = __argv;
*env = _environ;
*argc = __argc;
return;
}
__argc = 0;
len = strlen(_acmdln);
/* Allocate a temporary buffer to be used instead of the original _acmdln parameter. */
aNewCmdln = strndup(_acmdln, len);
while (aNewCmdln[i])
{
if (aNewCmdln[i] == '"')
{
if(ignorespace)
{
ignorespace = 0;
}
else
{
ignorespace = 1;
doexpand = 0;
}
memmove(aNewCmdln + i, aNewCmdln + i + 1, len - i);
len--;
continue;
}
if (aNewCmdln[i] == ' ' && !ignorespace)
{
aexpand(strndup(aNewCmdln + afterlastspace, i - afterlastspace), doexpand);
i++;
while (aNewCmdln[i] == ' ')
i++;
afterlastspace=i;
doexpand = expand_wildcards;
}
else
{
i++;
}
}
if (aNewCmdln[afterlastspace] != 0)
{
aexpand(strndup(aNewCmdln + afterlastspace, i - afterlastspace), doexpand);
}
/* Free the temporary buffer. */
free(aNewCmdln);
HeapValidate(GetProcessHeap(), 0, NULL);
*argc = __argc;
if (__argv == NULL)
{
__argv = (char**)malloc(sizeof(char*));
__argv[0] = 0;
}
*argv = __argv;
*env = _environ;
_pgmptr = _strdup(__argv[0]);
// if (new_mode) _set_new_mode(*new_mode);
}
/*
* @implemented
*/
void __getmainargs(int* argc, char*** argv, char*** env, int expand_wildcards, int* new_mode)
{
int i, doexpand, slashesAdded, escapedQuote, inQuotes, bufferIndex, anyLetter;
size_t len;
char* buffer;
/* missing threading init */
i = 0;
doexpand = expand_wildcards;
escapedQuote = FALSE;
anyLetter = FALSE;
slashesAdded = 0;
inQuotes = 0;
bufferIndex = 0;
if (__argv && _environ)
{
*argv = __argv;
*env = _environ;
*argc = __argc;
return;
}
__argc = 0;
len = strlen(_acmdln);
buffer = malloc(sizeof(char) * len);
// Reference: https://msdn.microsoft.com/en-us/library/a1y7w461(v=vs.71).aspx
while (TRUE)
{
// Arguments are delimited by white space, which is either a space or a tab.
if (i >= len || ((_acmdln[i] == ' ' || _acmdln[i] == '\t') && !inQuotes))
{
// Handle the case when empty spaces are in the end of the cmdline
if (anyLetter)
{
aexpand(strndup(buffer, bufferIndex), doexpand);
}
// Copy the last element from buffer and quit the loop
if (i >= len)
{
break;
}
while (_acmdln[i] == ' ' || _acmdln[i] == '\t')
++i;
anyLetter = FALSE;
bufferIndex = 0;
slashesAdded = 0;
escapedQuote = FALSE;
continue;
}
anyLetter = TRUE;
if (_acmdln[i] == '\\')
{
buffer[bufferIndex++] = _acmdln[i];
++slashesAdded;
++i;
escapedQuote = FALSE;
continue;
}
if (_acmdln[i] == '\"')
{
if (slashesAdded > 0)
{
if (slashesAdded % 2 == 0)
{
// If an even number of backslashes is followed by a double quotation mark, then one backslash (\)
// is placed in the argv array for every pair of backslashes (\\), and the double quotation mark (")
// is interpreted as a string delimiter.
bufferIndex -= slashesAdded / 2;
}
else
{
// If an odd number of backslashes is followed by a double quotation mark, then one backslash (\)
// is placed in the argv array for every pair of backslashes (\\) and the double quotation mark is
// interpreted as an escape sequence by the remaining backslash, causing a literal double quotation mark (")
// to be placed in argv.
bufferIndex -= slashesAdded / 2 + 1;
buffer[bufferIndex++] = '\"';
slashesAdded = 0;
escapedQuote = TRUE;
++i;
continue;
}
slashesAdded = 0;
}
else if (!inQuotes && i > 0 && _acmdln[i - 1] == '\"' && !escapedQuote)
{
buffer[bufferIndex++] = '\"';
++i;
escapedQuote = TRUE;
continue;
}
slashesAdded = 0;
escapedQuote = FALSE;
inQuotes = !inQuotes;
doexpand = inQuotes ? FALSE : expand_wildcards;
++i;
continue;
}
buffer[bufferIndex++] = _acmdln[i];
slashesAdded = 0;
escapedQuote = FALSE;
++i;
}
/* Free the temporary buffer. */
free(buffer);
HeapValidate(GetProcessHeap(), 0, NULL);
*argc = __argc;
if (__argv == NULL)
{
__argv = (char**)malloc(sizeof(char*));
__argv[0] = 0;
}
*argv = __argv;
*env = _environ;
_pgmptr = _strdup(__argv[0]);
// if (new_mode) _set_new_mode(*new_mode);
}
