Example #1
0
static int IMB_ispic_name(const char *name)
{
	ImFileType *type;
	struct stat st;
	int fp, buf[10];

	if(UTIL_DEBUG) printf("IMB_ispic_name: loading %s\n", name);
	
	if(stat(name,&st) == -1)
		return FALSE;
	if(((st.st_mode) & S_IFMT) != S_IFREG)
		return FALSE;

	if((fp = open(name,O_BINARY|O_RDONLY)) < 0)
		return FALSE;

	if(read(fp, buf, 32) != 32) {
		close(fp);
		return FALSE;
	}

	close(fp);

	/* XXX move this exception */
	if((BIG_LONG(buf[0]) & 0xfffffff0) == 0xffd8ffe0)
		return JPG;

	for(type=IMB_FILE_TYPES; type->is_a; type++)
		if(type->is_a((uchar*)buf))
			return type->filetype;

	return FALSE;
}
Example #2
0
int IMB_ispic(const char *name)
{
	/* increased from 32 to 64 because of the bitmaps header size */
#define HEADER_SIZE 64

	unsigned char buf[HEADER_SIZE];
	ImFileType *type;
	struct stat st;
	int fp;

	if (UTIL_DEBUG) printf("IMB_ispic_name: loading %s\n", name);
	
	if (BLI_stat(name, &st) == -1)
		return FALSE;
	if (((st.st_mode) & S_IFMT) != S_IFREG)
		return FALSE;

	if ((fp = BLI_open(name, O_BINARY | O_RDONLY, 0)) < 0)
		return FALSE;

	memset(buf, 0, sizeof(buf));
	if (read(fp, buf, HEADER_SIZE) <= 0) {
		close(fp);
		return FALSE;
	}

	close(fp);

	/* XXX move this exception */
	if ((BIG_LONG(((int *)buf)[0]) & 0xfffffff0) == 0xffd8ffe0)
		return JPG;

	for (type = IMB_FILE_TYPES; type < IMB_FILE_TYPES_LAST; type++) {
		if (type->is_a) {
			if (type->is_a(buf)) {
				return type->filetype;
			}
		}
		else if (type->is_a_filepath) {
			if (type->is_a_filepath(name)) {
				return type->filetype;
			}
		}
	}

	return FALSE;

#undef HEADER_SIZE
}