src/xstring.h

   1 /*
   2  * netsniff-ng - the packet sniffing beast
   3  * By Daniel Borkmann <daniel@netsniff-ng.org>
   4  * Copyright 2009, 2010, 2011, 2012 Daniel Borkmann.
   5  * Copyright 2009, 2010, 2011, 2012 Emmanuel Roullit.
   6  * Subject to the GPL, version 2.
   7  */
   8
   9 #ifndef XSTRING_H
  10 #define XSTRING_H
  11
  12 #include <stdint.h>
  13 #include "die.h"
  14 #include "compiler.h"
  15
  16 extern size_t strlcpy(char *dest, const char *src, size_t size);
  17 extern int slprintf(char *dst, size_t size, const char *fmt, ...);
  18 extern noinline void *xmemset(void *s, int c, size_t n);
  19 extern char *getuint(char *in, uint32_t *out);
  20 extern char *strtrim_right(register char *p, register char c);
  21 extern char *strtrim_left(register char *p, register char c);
  22
  23 static inline char *skips(char *p)
  24 {
  25         return strtrim_left(p, ' ');
  26 }
  27
  28 static inline char *skipt(char *p)
  29 {
  30         return strtrim_left(p, '\t');
  31 }
  32
  33 static inline char *skipchar(char *in, char c)
  34 {
  35         if (*in != c)
  36                 panic("Syntax error!\n");
  37         return ++in;
  38 }
  39
  40 static inline char *skipchar_s(char *in, char c)
  41 {
  42         in = skips(in);
  43         if (*in == '\n')
  44                 return in;
  45         in = skipchar(in, c);
  46         in = skips(in);
  47         return in;
  48 }
  49
  50 #endif /* XSTRING_H */