?? my_malloc.c
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/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB This file is public domain and comes with NO WARRANTY of any kind */#ifdef SAFEMALLOC /* We don't need SAFEMALLOC here */#undef SAFEMALLOC#endif#include "mysys_priv.h"#include "mysys_err.h"#include <m_string.h> /* My memory allocator */gptr my_malloc(unsigned int Size, myf MyFlags){ gptr point; DBUG_ENTER("my_malloc"); DBUG_PRINT("my",("Size: %u MyFlags: %d",Size, MyFlags)); if (!Size) Size=1; /* Safety */ if ((point = malloc(Size)) == NULL) { my_errno=errno; if (MyFlags & MY_FAE) error_handler_hook=fatal_error_handler_hook; if (MyFlags & (MY_FAE+MY_WME)) my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),Size); if (MyFlags & MY_FAE) exit(1); } else if (MyFlags & MY_ZEROFILL) bzero(point,Size); DBUG_PRINT("exit",("ptr: %lx",point)); DBUG_RETURN(point);} /* my_malloc */ /* Free memory allocated with my_malloc */ /*ARGSUSED*/void my_no_flags_free(gptr ptr){ DBUG_ENTER("my_free"); DBUG_PRINT("my",("ptr: %lx",ptr)); if (ptr) free(ptr); DBUG_VOID_RETURN;} /* my_free */ /* malloc and copy */gptr my_memdup(const byte *from, uint length, myf MyFlags){ gptr ptr; if ((ptr=my_malloc(length,MyFlags)) != 0) memcpy((byte*) ptr, (byte*) from,(size_t) length); return(ptr);}my_string my_strdup(const char *from, myf MyFlags){ gptr ptr; uint length=(uint) strlen(from)+1; if ((ptr=my_malloc(length,MyFlags)) != 0) memcpy((byte*) ptr, (byte*) from,(size_t) length); return((my_string) ptr);}
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