libtu/misc.h

   1 /*
   2  * libtu/misc.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2005.
   5  *
   6  * You may distribute and modify this library under the terms of either
   7  * the Clarified Artistic License or the GNU LGPL, version 2.1 or later.
   8  */
   9
  10 #ifndef LIBTU_MISC_H
  11 #define LIBTU_MISC_H
  12
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <assert.h>
  16 #include "types.h"
  17
  18 #define ALLOC(X) (X*)malloczero(sizeof(X))
  19 #define ALLOC_N(X, N) (X*)malloczero(sizeof(X)*(N))
  20 #define REALLOC_N(PTR, X, S, N) (X*)remalloczero(PTR, sizeof(X)*(S), sizeof(X)*(N))
  21
  22 #define FREE(X) do{if(X!=NULL)free(X);}while(0)
  23
  24 #define XOR(X, Y) (((X)==0) != ((Y)==0))
  25
  26 /* UNUSED macro, for function argument */
  27 #ifdef __GNUC__
  28 #  define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
  29 #else
  30 #  define UNUSED(x) UNUSED_ ## x
  31 #endif
  32
  33 extern void* malloczero(size_t size);
  34 extern void* remalloczero(void *ptr, size_t oldsize, size_t newsize);
  35
  36 extern char* scopy(const char *p);
  37 extern char* scopyn(const char *p, size_t n);
  38 extern char* scat(const char *p1, const char *p2);
  39 extern char* scatn(const char *p1, ssize_t n1, const char *p2, ssize_t n2);
  40 extern char* scat3(const char *p1, const char *p2, const char *p3);
  41 extern void stripws(char *p);
  42 extern const char *libtu_strcasestr(const char *str, const char *ptn);
  43
  44 extern const char* simple_basename(const char *name);
  45
  46 /* I dislike fread and fwrite... */
  47 extern bool readf(FILE *fd, void *buf, size_t n);
  48 extern bool writef(FILE *fd, const void *buf, size_t n);
  49
  50 #endif /* LIBTU_MISC_H */