mdw@git.distorted.org.uk Git - dvdrip/blob - lib.h

   1 #ifndef LIB_H
   2 #define LIB_H
   3
   4 #define _GNU_SOURCE
   5 #define _FILE_OFFSET_BITS 64
   6
   7 #include <assert.h>
   8 #include <ctype.h>
   9 #include <errno.h>
  10 #include <float.h>
  11 #include <inttypes.h>
  12 #include <limits.h>
  13 #include <locale.h>
  14 #include <math.h>
  15 #include <stdarg.h>
  16 #include <stdint.h>
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <time.h>
  21
  22 #include <unistd.h>
  23 #include <fcntl.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/select.h>
  26 #include <sys/stat.h>
  27 #include <sys/time.h>
  28
  29 #include <getopt.h>
  30
  31 #include <linux/fs.h>
  32
  33 #include <dvdread/dvd_reader.h>
  34 #include <dvdread/dvd_udf.h>
  35 #include <dvdread/ifo_read.h>
  36 #include <dvdread/ifo_types.h>
  37
  38 #include "multiprogress.h"
  39
  40 #define CTYPE_HACK(fn, ch) fn((unsigned char)(ch))
  41 #define ISDIGIT(ch) CTYPE_HACK(isdigit, ch)
  42 #define ISSPACE(ch) CTYPE_HACK(isspace, ch)
  43
  44 #define STRCMP(a, op, b) (strcmp((a), (b)) op 0)
  45 #define STRNCMP(a, op, b, n) (strncmp((a), (b), (n)) op 0)
  46 #define MEMCMP(a, op, b, n) (memcmp((a), (b), (n)) op 0)
  47
  48 #ifdef DEBUG
  49 #  define D(x) x
  50 #else
  51 #  define D(x)
  52 #endif
  53
  54 #define N(v) (sizeof(v)/sizeof((v)[0]))
  55
  56 #define SECTORSZ 2048
  57 #define SECTORS(n) (((n) + (SECTORSZ - 1))/SECTORSZ)
  58 typedef uint_least32_t secaddr;
  59 #define PRIuSEC PRIuLEAST32
  60 #define SECLIMIT 0x00400000
  61
  62 #define PRINTF_LIKE(fmt, dots) __attribute__((format(printf, fmt, dots)))
  63 #define NORETURN __attribute__((noreturn))
  64
  65 extern const char *prog;
  66
  67 extern void set_prog(const char *p);
  68 extern void vmoan(const char *fmt, va_list ap);
  69 extern void vmoan_syserr(int err, const char *fmt, va_list ap);
  70 extern PRINTF_LIKE(1, 2) void moan(const char *fmt, ...);
  71 extern PRINTF_LIKE(2, 3) void moan_syserr(int err, const char *fmt, ...);
  72 extern PRINTF_LIKE(1, 2) NORETURN void bail(const char *fmt, ...);
  73 extern PRINTF_LIKE(2, 3) NORETURN
  74   void bail_syserr(int err, const char *fmt, ...);
  75
  76 #define PNF_JUNK 1u
  77 extern double parse_float(const char **p_inout, unsigned f,
  78                           double min, double max, const char *what);
  79 extern long parse_int(const char **p_inout, unsigned f,
  80                       long min, long max, const char *what);
  81
  82 extern void sit(double t);
  83
  84 extern void carefully_write(int fd, const void *buf, size_t sz);
  85 extern void open_file_on_demand(const char *file, FILE **fp_inout,
  86                                 const char *what);
  87 extern void check_write(FILE *fp, const char *what);
  88 extern void carefully_fclose(FILE *fp, const char *what);
  89 extern off_t device_size(int fd, const char *file, int *blksz_out);
  90
  91 enum { RAW, IFO, VOB, BUP };
  92 typedef uint_least32_t ident;
  93
  94 static inline ident mkident(unsigned kind, unsigned title, unsigned part)
  95   { return (((ident)kind << 0) | ((ident)title << 8) | ((ident)part << 16)); }
  96 static inline unsigned id_kind(ident id) { return ((id >> 0)&0x0ff); }
  97 static inline unsigned id_title(ident id) { return ((id >> 8)&0x0ff); }
  98 static inline unsigned id_part(ident id) { return ((id >> 16)&0x0ff); }
  99
 100 #define MAXFNSZ (1 + 8 + 1 + 12 + 1)
 101 extern void store_filename(char *buf, ident id);
 102
 103 #define DIF_MUSTVOLINF 1u
 104 #define DIF_MUSTIFOHASH 2u
 105 #define MAXIDSZ 99
 106 extern int dvd_id(char *p, dvd_reader_t *dvd, unsigned f, const char *file);
 107
 108 struct banner_progress_item {
 109   struct progress_item _base;
 110   const char *msg;
 111 };
 112
 113 extern struct progress_state progress;
 114
 115 extern void show_banner(const char *msg);
 116 extern void hide_banner(void);
 117
 118 extern void open_dvd(const char *device, int mode,
 119                      int *fd_out, dvd_reader_t **dvd_out);
 120
 121 #endif