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author | inmarket <andrewh@inmarket.com.au> | 2014-08-20 17:42:53 +1000 |
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committer | inmarket <andrewh@inmarket.com.au> | 2014-08-20 17:42:53 +1000 |
commit | 0f3f8f68f87233bf59c3fa68c3dfe1f492a1a478 (patch) | |
tree | 3dc625e7dfcfc620e83827ccd18423be1b5334f4 /src/gfile/gfile_fs_mem.c | |
parent | fcbb66a9394eaf4059bc942df6729b4b55a057d8 (diff) | |
download | uGFX-0f3f8f68f87233bf59c3fa68c3dfe1f492a1a478.tar.gz uGFX-0f3f8f68f87233bf59c3fa68c3dfe1f492a1a478.tar.bz2 uGFX-0f3f8f68f87233bf59c3fa68c3dfe1f492a1a478.zip |
Rename lots of files to help prevent compile time name conflicts.
Diffstat (limited to 'src/gfile/gfile_fs_mem.c')
-rw-r--r-- | src/gfile/gfile_fs_mem.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/gfile/gfile_fs_mem.c b/src/gfile/gfile_fs_mem.c new file mode 100644 index 00000000..150220b8 --- /dev/null +++ b/src/gfile/gfile_fs_mem.c @@ -0,0 +1,65 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +/******************************************************** + * The virtual memory file-system + ********************************************************/ + +#include "gfx.h" + +#if GFX_USE_GFILE && GFILE_NEED_MEMFS + +#include "gfile_fs.h" + +#include <string.h> + +static int MEMRead(GFILE *f, void *buf, int size); +static int MEMWrite(GFILE *f, const void *buf, int size); +static bool_t MEMSetpos(GFILE *f, long int pos); + +static const GFILEVMT FsMemVMT = { + GFSFLG_SEEKABLE|GFSFLG_WRITEABLE, // flags + 0, // prefix + 0, 0, 0, 0, + 0, 0, MEMRead, MEMWrite, + MEMSetpos, 0, 0, + 0, 0, 0, + #if GFILE_NEED_FILELISTS + 0, 0, 0, + #endif +}; + +static int MEMRead(GFILE *f, void *buf, int size) { + memcpy(buf, ((char *)f->obj)+f->pos, size); + return size; +} +static int MEMWrite(GFILE *f, const void *buf, int size) { + memcpy(((char *)f->obj)+f->pos, buf, size); + return size; +} +static bool_t MEMSetpos(GFILE *f, long int pos) { + (void) f; + (void) pos; + return TRUE; +} + +GFILE * gfileOpenMemory(void *memptr, const char *mode) { + GFILE *f; + + // Get an empty file and set the flags + if (!(f = _gfileFindSlot(mode))) + return 0; + + // File is open - fill in all the details + f->vmt = &FsMemVMT; + f->obj = memptr; + f->pos = 0; + f->flags |= GFILEFLG_OPEN|GFILEFLG_CANSEEK; + return f; +} + +#endif //GFX_USE_GFILE && GFILE_NEED_MEMFS |