/** Free subnodes. */
void gbmtool_free_all_subnodes(GBMTOOL_FILE * firstNode, unsigned int * filecount)
{
GBMTOOL_FILE * currentNode = firstNode->next;
GBMTOOL_FILE * nextNode = NULL;
*filecount = 0;
while(currentNode != NULL)
{
nextNode = currentNode->next;
gbmtool_free_node(currentNode);
*filecount += 1;
currentNode = nextNode;
}
}
/**
* Frees file arguments.
*
* @param gbmfilearg Struct that initially has been allocated by
* the function gbmtool_parse_argument.
*/
void gbmtool_free_argument(GBMTOOL_FILEARG * gbmfilearg)
{
/* Don't free argin as this is a const pointer only ! */
/* free dynamically allocated elements */
if (gbmfilearg->files != NULL)
{
unsigned int count;
gbmtool_free_all_subnodes(gbmfilearg->files, &count);
gbmfilearg->filecount -= count;
gbmtool_free_node(gbmfilearg->files);
gbmfilearg->filecount -= 1;
gbmfilearg->files = NULL;
}
assert(gbmfilearg->filecount == 0);
if (gbmfilearg->options != NULL)
{
free(gbmfilearg->options);
gbmfilearg->options = NULL;
}
}
/**
* Implements extension for resolving filename with regular expressions.
*
* @param filename Filename (can contain regular expressions)
*
* @param filearray Resolved filename array, will be allocated.
* For the number of entries see filearray_length.
* The client has to take care of freeing it with
* the C library free() function.
*
* @param filearray_length Number of filenames contained in filearray.
*
* @retval GBM_TRUE Success.
* @retval GBM_FALSE An error occured.
*/
gbm_boolean gbmtool_findFiles(const char * filename, GBMTOOL_FILE ** files, unsigned int * filecount)
{
HDIR hdirFindHandle = HDIR_CREATE;
FILEFINDBUF3 findBuffer = {0}; /* Returned from FindFirst/Next */
ULONG ulResultBufLen = sizeof(FILEFINDBUF3);
ULONG ulFindCount = 1; /* Look for 1 file at a time */
APIRET rc = NO_ERROR; /* Return code */
char buffer[1025] = { 0 };
char * path = NULL;
#ifndef NDEBUG
int pathlength = 0;
#endif
GBMTOOL_FILE * firstNode = NULL;
GBMTOOL_FILE * currentNode = NULL;
*filecount = 0;
*files = NULL;
if (! getPathFromFullFilename(filename, &path))
{
return GBM_FALSE;
}
#ifndef NDEBUG
pathlength = strlen(path);
#endif
rc = DosFindFirst((char *)filename, /* File pattern */
&hdirFindHandle, /* Directory search handle */
FILE_NORMAL, /* Search attribute */
&findBuffer, /* Result buffer */
ulResultBufLen, /* Result buffer length */
&ulFindCount, /* Number of entries to find */
FIL_STANDARD); /* Return Level 1 file info */
if ((rc != NO_ERROR) || (ulFindCount != 1))
{
DosFindClose(hdirFindHandle);
free(path);
return GBM_FALSE;
}
/* add first found filename */
assert(pathlength + strlen(findBuffer.achName) + 1 <= sizeof(buffer));
sprintf(buffer, "%s%s", path, findBuffer.achName);
*filecount = 0;
*files = gbmtool_createFileNode(buffer);
if (*files == NULL)
{
DosFindClose(hdirFindHandle);
free(path);
return GBM_FALSE;
}
*filecount += ulFindCount;
firstNode = *files;
currentNode = firstNode;
/* Keep finding the next file until there are no more files */
while (rc != ERROR_NO_MORE_FILES)
{
ulFindCount = 1; /* Reset find count. */
rc = DosFindNext(hdirFindHandle, /* Directory handle */
&findBuffer, /* Result buffer */
ulResultBufLen, /* Result buffer length */
&ulFindCount); /* Number of entries to find */
if ((rc != NO_ERROR && rc != ERROR_NO_MORE_FILES) || (ulFindCount > 1))
{
unsigned int count;
gbmtool_free_all_subnodes(firstNode, &count);
*filecount -= count;
gbmtool_free_node(firstNode);
(*filecount)--;
DosFindClose(hdirFindHandle);
free(path);
return GBM_FALSE;
}
if ((rc != ERROR_NO_MORE_FILES) && (ulFindCount == 1))
{
/* add found filename */
assert(pathlength + strlen(findBuffer.achName) + 1 <= sizeof(buffer));
sprintf(buffer, "%s%s", path, findBuffer.achName);
currentNode->next = gbmtool_createFileNode(buffer);
if (currentNode->next == NULL)
{
unsigned int count;
gbmtool_free_all_subnodes(firstNode, &count);
*filecount -= count;
gbmtool_free_node(firstNode);
(*filecount)--;
DosFindClose(hdirFindHandle);
free(path);
return GBM_FALSE;
}
*filecount += ulFindCount;
currentNode = currentNode->next;
}
} /* endwhile */
DosFindClose(hdirFindHandle); /* Close our directory handle */
free(path);
return GBM_TRUE;
}
