com32/sysdump/backend.h

   1 #ifndef BACKEND_H
   2 #define BACKEND_H
   3
   4 #include <stddef.h>
   5 #include <inttypes.h>
   6 #include <stdbool.h>
   7 #include <zlib.h>
   8 #include "serial.h"
   9
  10 /* Backend flags */
  11 #define BE_NEEDLEN      0x01
  12
  13 struct backend {
  14     const char *name;
  15     const char *helpmsg;
  16     int minargs;
  17
  18     size_t dbytes;
  19     size_t zbytes;
  20     const char **argv;
  21
  22     uint32_t now;
  23
  24     int (*write)(struct backend *);
  25
  26     z_stream zstream;
  27     char *outbuf;
  28     size_t alloc;
  29 };
  30
  31 /* zout.c */
  32 int init_data(struct backend *be, const char *argv[]);
  33 int write_data(struct backend *be, const void *buf, size_t len);
  34 int flush_data(struct backend *be);
  35
  36 /* cpio.c */
  37 #define cpio_init init_data
  38 int cpio_hdr(struct backend *be, uint32_t mode, size_t datalen,
  39              const char *filename);
  40 int cpio_mkdir(struct backend *be, const char *filename);
  41 int cpio_writefile(struct backend *be, const char *filename,
  42                    const void *data, size_t len);
  43 int cpio_close(struct backend *be);
  44 #define MODE_FILE       0100644
  45 #define MODE_DIR        0040755
  46
  47 /* backends.c */
  48 struct backend *get_backend(const char *name);
  49
  50 /* backends */
  51 extern struct backend be_tftp;
  52 extern struct backend be_ymodem;
  53
  54 #endif /* BACKEND_H */