size_t BLI_filepathsize(const char *path)
{
int size, file = open(path, O_BINARY|O_RDONLY);
if (file == -1)
return -1;
size = BLI_filesize(file);
close(file);
return size;
}
unsigned short imb_update_iff(int file, int code)
{
int buf[2], filelen, skip;
uchar nop;
if (file<=0) return (FALSE);
filelen = BLI_filesize(file)-8; /* calc filelength */
lseek(file,0L,2); /* seek end */
if (filelen & 1){ /* make length 'even' */
switch(code){
case BODY:
nop = IFFNOP;
break;
}
if (write(file,&nop,1)!=1) return (FALSE);
filelen++;
}
lseek(file,4L,0);
buf[0] = BIG_LONG(filelen);
if (write(file, buf, 4) != 4) return (FALSE);
if (code == 0) return (TRUE);
filelen-=4;
lseek(file,4L,1);
while (filelen>0){ /* seek BODY */
read(file, buf, 8);
filelen -= 8;
if (buf[0] == code) break;
skip = (BIG_LONG(buf[1]) + 1) & ~1;
filelen -= skip;
lseek(file, skip, 1);
}
if (filelen <= 0) {
printf("update_iff: couldn't find chunk\n");
return (FALSE);
}
lseek(file, -4L, 1);
buf[0] = BIG_LONG(filelen);
if (write(file, buf, 4)!=4) return (FALSE);
return (TRUE);
}
PackedFile *newPackedFile(ReportList *reports, const char *filename)
{
PackedFile *pf = NULL;
int file, filelen;
char name[FILE_MAXDIR+FILE_MAXFILE];
void *data;
/* render result has no filename and can be ignored
* any other files with no name can be ignored too */
if(filename[0]=='\0')
return NULL;
//XXX waitcursor(1);
// convert relative filenames to absolute filenames
strcpy(name, filename);
BLI_path_abs(name, G.main->name);
// open the file
// and create a PackedFile structure
file= open(name, O_BINARY|O_RDONLY);
if (file <= 0) {
BKE_reportf(reports, RPT_ERROR, "Unable to pack file, source path not found: \"%s\"", name);
} else {
filelen = BLI_filesize(file);
if (filelen == 0) {
// MEM_mallocN complains about MEM_mallocN(0, "bla");
// we don't care....
data = MEM_mallocN(1, "packFile");
} else {
data = MEM_mallocN(filelen, "packFile");
}
if (read(file, data, filelen) == filelen) {
pf = newPackedFileMemory(data, filelen);
}
close(file);
}
//XXX waitcursor(0);
return (pf);
}
BlendFileData *BLO_read_runtime(char *path, ReportList *reports)
{
BlendFileData *bfd= NULL;
size_t actualsize;
int fd, datastart;
char buf[8];
fd= open(path, O_BINARY|O_RDONLY, 0);
if(fd==-1) {
BKE_reportf(reports, RPT_ERROR, "Unable to open \"%s\": %s.", path, strerror(errno));
goto cleanup;
}
actualsize= BLI_filesize(fd);
lseek(fd, -12, SEEK_END);
datastart= handle_read_msb_int(fd);
if(datastart==-1) {
BKE_reportf(reports, RPT_ERROR, "Unable to read \"%s\" (problem seeking)", path);
goto cleanup;
}
else if(read(fd, buf, 8)!=8) {
BKE_reportf(reports, RPT_ERROR, "Unable to read \"%s\" (truncated header)", path);
goto cleanup;
}
else if(memcmp(buf, "BRUNTIME", 8)!=0) {
BKE_reportf(reports, RPT_ERROR, "Unable to read \"%s\" (not a blend file)", path);
goto cleanup;
}
else {
//printf("starting to read runtime from %s at datastart %d\n", path, datastart);
lseek(fd, datastart, SEEK_SET);
bfd = blo_read_blendafterruntime(fd, path, actualsize-datastart, reports);
fd= -1; // file was closed in blo_read_blendafterruntime()
}
cleanup:
if(fd!=-1)
close(fd);
return bfd;
}
struct ImBuf *IMB_loadifffile(int file, int flags) {
struct ImBuf *ibuf;
int size, *mem;
if (file == -1) return (0);
size = BLI_filesize(file);
mem= (int *)mmap(0,size,PROT_READ,MAP_SHARED,file,0);
if (mem==(int *)-1) {
printf("Couldn't get mapping\n");
return (0);
}
ibuf = IMB_ibImageFromMemory(mem, size, flags);
if (munmap( (void *) mem, size)) {
printf("Couldn't unmap file.\n");
}
return(ibuf);
}
ImBuf *IMB_loadifffile(int file, int flags)
{
ImBuf *ibuf;
unsigned char *mem;
size_t size;
if(file == -1) return NULL;
size= BLI_filesize(file);
mem= mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);
if(mem==(unsigned char*)-1) {
fprintf(stderr, "Couldn't get mapping\n");
return NULL;
}
ibuf= IMB_ibImageFromMemory(mem, size, flags);
if(munmap(mem, size))
fprintf(stderr, "Couldn't unmap file.\n");
return ibuf;
}
static void imb_loadtilefile(ImBuf *ibuf, int file, int tx, int ty, unsigned int *rect)
{
ImFileType *type;
unsigned char *mem;
size_t size;
if(file == -1) return;
size= BLI_filesize(file);
mem= mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);
if(mem==(unsigned char*)-1) {
fprintf(stderr, "Couldn't get memory mapping for %s\n", ibuf->cachename);
return;
}
for(type=IMB_FILE_TYPES; type->is_a; type++)
if(type->load_tile && type->ftype(type, ibuf))
type->load_tile(ibuf, mem, size, tx, ty, rect);
if(munmap(mem, size))
fprintf(stderr, "Couldn't unmap memory for %s.\n", ibuf->cachename);
}