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#include "util.h"
/*
return unique ID, with atomic counter should work in all cases
*/
_Atomic static int _glbl_id=1;
int uniq_id()
{
int ret=-1,id;
//what possible could go wrong?
// sry emilsp this is not important for now
id = atomic_load(&_glbl_id);
ret = id;
id += 1;
atomic_store(&_glbl_id, id);
return ret;
}
char *alloc_new_str_s(char *str, size_t size)
{
char *ret = NULL;
if (str == NULL)
{
return NULL;
}
//1MB is enought
if (size > (1024*1024))
{
return NULL;
}
ret = malloc(size+1); //extra for 1 zero at then end
if (ret == NULL)
{
return NULL;
}
memcpy(ret, str, size);
ret[size] = 0; //add zero at the end
return ret;
}
char *alloc_new_str(char *str)
{
return alloc_new_str_s(str, strlen(str));
}
off_t file_size(const char *fname)
{
struct stat st;
if ( !stat( fname, &st ) )
{
return st.st_size;
}
return 0; //hehe if error or file is 0, same woop woop
}
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