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