util.h

   1 #ifndef _UTIL_H
   2 #define _UTIL_H
   3
   4 #include <stdio.h>
   5
   6 char *getline_wrapped(FILE *file, unsigned int *linenum);
   7
   8 void filename2modname(char *modname, const char *filename);
   9 char *underscores(char *string);
  10 char *my_basename(const char *path);
  11
  12 const char *next_string(const char *string, unsigned long *secsize);
  13
  14 /*
  15  * Change endianness of x if conv is true.
  16  */
  17 #define END(x, conv)                                                    \
  18 ({                                                                      \
  19         typeof(x) __x;                                                  \
  20         if (conv) __swap_bytes(&(x), &(__x), sizeof(__x));              \
  21         else __x = (x);                                                 \
  22         __x;                                                            \
  23 })
  24
  25 static inline void __swap_bytes(const void *src, void *dest, unsigned int size)
  26 {
  27         unsigned int i;
  28         for (i = 0; i < size; i++)
  29                 ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1];
  30 }
  31
  32 int native_endianness(void);
  33
  34 int elf_ident(void *file, unsigned long fsize, int *conv);
  35 void *get_section(void *file, unsigned long filesize,
  36         const char *secname, unsigned long *secsize);
  37 void *get_section32(void *file, unsigned long filesize,
  38         const char *secname, unsigned long *secsize, int conv);
  39 void *get_section64(void *file, unsigned long filesize,
  40         const char *secname, unsigned long *secsize, int conv);
  41
  42 #define streq(a,b) (strcmp((a),(b)) == 0)
  43 #define strstarts(a,start) (strncmp((a),(start), strlen(start)) == 0)
  44
  45 #endif