If this is going to be stored in a public struct, make it actually
useful to users outside of libupkg by giving them a pointer type that
can actually be used.
return NULL;
*f = (struct upkg_file) {
return NULL;
*f = (struct upkg_file) {
.base = pkg->exports[idx].offset,
.len = pkg->exports[idx].size,
.name = pkg->exports[idx].pub.name,
.base = pkg->exports[idx].offset,
.len = pkg->exports[idx].size,
.name = pkg->exports[idx].pub.name,
void upkg_export_close(struct upkg_file *f)
{
void upkg_export_close(struct upkg_file *f)
{
- if (f->pkg->last_file == f)
- f->pkg->last_file = NULL;
+ struct upkg_priv *pkg = (struct upkg_priv *)f->pkg;
+
+ if (pkg->last_file == f)
+ pkg->last_file = NULL;
int upkg_export_seek(struct upkg_file *f, long offset, int whence)
{
int upkg_export_seek(struct upkg_file *f, long offset, int whence)
{
- const struct upkg_file_ops *fops = f->pkg->fops;
+ struct upkg_priv *pkg = (struct upkg_priv *)f->pkg;
+ const struct upkg_file_ops *fops = pkg->fops;
int rc = EOF;
switch (whence) {
int rc = EOF;
switch (whence) {
case SEEK_SET:
if (offset < 0 || offset > f->len)
return EOF;
case SEEK_SET:
if (offset < 0 || offset > f->len)
return EOF;
- rc = fops->seek(f->pkg->f, f->base + offset, SEEK_SET);
+ rc = fops->seek(pkg->f, f->base + offset, SEEK_SET);
break;
case SEEK_END:
offset = -offset;
if (offset < 0 || offset > f->len)
return EOF;
offset = f->len - offset;
break;
case SEEK_END:
offset = -offset;
if (offset < 0 || offset > f->len)
return EOF;
offset = f->len - offset;
- rc = fops->seek(f->pkg->f, f->base + offset, SEEK_SET);
+ rc = fops->seek(pkg->f, f->base + offset, SEEK_SET);
f->offset = offset;
f->eof = 0;
f->offset = offset;
f->eof = 0;
- } else if (f->pkg->last_file == f) {
- f->pkg->last_file = NULL;
+ } else if (pkg->last_file == f) {
+ pkg->last_file = NULL;
size_t upkg_export_read(struct upkg_file *f, void *buf, size_t n)
{
size_t upkg_export_read(struct upkg_file *f, void *buf, size_t n)
{
- const struct upkg_file_ops *fops = f->pkg->fops;
+ struct upkg_priv *pkg = (struct upkg_priv *)f->pkg;
+ const struct upkg_file_ops *fops = pkg->fops;
size_t want = MIN(n, f->len - f->offset);
size_t rc;
size_t want = MIN(n, f->len - f->offset);
size_t rc;
- if (f != f->pkg->last_file) {
- if (fops->seek(f->pkg->f, f->base + f->offset, SEEK_SET))
+ if (f != pkg->last_file) {
+ if (fops->seek(pkg->f, f->base + f->offset, SEEK_SET))
- rc = fops->read(buf, want, f->pkg->f);
+ rc = fops->read(buf, want, pkg->f);
- if (want < n || (rc < want && fops->eof(f->pkg->f)))
+ if (want < n || (rc < want && fops->eof(pkg->f)))
unsigned long base, offset, len;
};
unsigned long base, offset, len;
};