git.distorted.org.uk Git - u/mdw/putty/blob - puttymem.h

   1 /*
   2  * PuTTY memory-handling header.
   3  */
   4
   5 #ifndef PUTTY_PUTTYMEM_H
   6 #define PUTTY_PUTTYMEM_H
   7
   8 #include <stddef.h>                    /* for size_t */
   9 #include <string.h>                    /* for memcpy() */
  10
  11
  12 /* #define MALLOC_LOG  do this if you suspect putty of leaking memory */
  13 #ifdef MALLOC_LOG
  14 #define smalloc(z) (mlog(__FILE__,__LINE__), safemalloc(z))
  15 #define srealloc(y,z) (mlog(__FILE__,__LINE__), saferealloc(y,z))
  16 #define sfree(z) (mlog(__FILE__,__LINE__), safefree(z))
  17 void mlog(char *, int);
  18 #else
  19 #define smalloc safemalloc
  20 #define srealloc saferealloc
  21 #define sfree safefree
  22 #endif
  23
  24 void *safemalloc(size_t);
  25 void *saferealloc(void *, size_t);
  26 void safefree(void *);
  27
  28 /*
  29  * Direct use of smalloc within the code should be avoided where
  30  * possible, in favour of these type-casting macros which ensure
  31  * you don't mistakenly allocate enough space for one sort of
  32  * structure and assign it to a different sort of pointer.
  33  */
  34 #define snew(type) ((type *)smalloc(sizeof(type)))
  35 #define snewn(n, type) ((type *)smalloc((n)*sizeof(type)))
  36 #define sresize(ptr, n, type) ((type *)srealloc(ptr, (n)*sizeof(type)))
  37
  38 #endif