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This commit is contained in:
Joel Bodenmann 2014-04-19 23:16:49 +02:00
parent b0dbd6fa47
commit 33babb4c1a
1 changed files with 36 additions and 9 deletions
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45
src/gfile/inc_romfs.c
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@ -56,7 +56,8 @@ static const GFILEVMT FsROMVMT = {
#undef GFILE_CHAINHEAD #undef GFILE_CHAINHEAD
#define GFILE_CHAINHEAD &FsROMVMT #define GFILE_CHAINHEAD &FsROMVMT
static const ROMFS_DIRENTRY *ROMFindFile(const char *fname) { static const ROMFS_DIRENTRY *ROMFindFile(const char *fname)
{
const ROMFS_DIRENTRY *p; const ROMFS_DIRENTRY *p;
for(p = FsROMHead; p; p = p->next) { for(p = FsROMHead; p; p = p->next) {
@ -65,22 +66,36 @@ static const ROMFS_DIRENTRY *ROMFindFile(const char *fname) {
} }
return p; return p;
} }
static bool_t ROMExists(const char *fname) { return ROMFindFile(fname) != 0; }
static long int ROMFilesize(const char *fname) { static bool_t ROMExists(const char *fname)
{
return ROMFindFile(fname) != 0;
}
static long int ROMFilesize(const char *fname)
{
const ROMFS_DIRENTRY *p; const ROMFS_DIRENTRY *p;
if (!(p = ROMFindFile(fname))) return -1; if (!(p = ROMFindFile(fname))) return -1;
return p->size; return p->size;
} }
static bool_t ROMOpen(GFILE *f, const char *fname) {
static bool_t ROMOpen(GFILE *f, const char *fname)
{
const ROMFS_DIRENTRY *p; const ROMFS_DIRENTRY *p;
if (!(p = ROMFindFile(fname))) return FALSE; if (!(p = ROMFindFile(fname))) return FALSE;
f->obj = (void *)p; f->obj = (void *)p;
return TRUE; return TRUE;
} }
static void ROMClose(GFILE *f) { (void)f; }
static int ROMRead(GFILE *f, void *buf, int size) { static void ROMClose(GFILE *f)
{
(void)f;
}
static int ROMRead(GFILE *f, void *buf, int size)
{
const ROMFS_DIRENTRY *p; const ROMFS_DIRENTRY *p;
p = (const ROMFS_DIRENTRY *)f->obj; p = (const ROMFS_DIRENTRY *)f->obj;
@ -90,6 +105,18 @@ static int ROMRead(GFILE *f, void *buf, int size) {
memcpy(buf, p->file+f->pos, size); memcpy(buf, p->file+f->pos, size);
return size; return size;
} }
static bool_t ROMSetpos(GFILE *f, long int pos) { return pos <= ((const ROMFS_DIRENTRY *)f->obj)->size; }
static long int ROMGetsize(GFILE *f) { return ((const ROMFS_DIRENTRY *)f->obj)->size; } static bool_t ROMSetpos(GFILE *f, long int pos)
static bool_t ROMEof(GFILE *f) { return f->pos >= ((const ROMFS_DIRENTRY *)f->obj)->size; } {
return pos <= ((const ROMFS_DIRENTRY *)f->obj)->size;
}
static long int ROMGetsize(GFILE *f)
{
return ((const ROMFS_DIRENTRY *)f->obj)->size;
}
static bool_t ROMEof(GFILE *f)
{
return f->pos >= ((const ROMFS_DIRENTRY *)f->obj)->size;
}