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#include <malloc.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <stddef.h>
#include "config.h"
#include "String.h"
#include "Exceptions.h"
char GeneralException::t[BUFSIZ];
char * Base::strdup(const char * s) const {
return xstrdup(s);
}
void * Base::malloc(ssize_t s) const {
return xmalloc(s);
}
void * Base::operator new(size_t s) {
return memset(xmalloc(s), 0, s);
}
void * Base::operator new(size_t s, void * p) {
memset(p, 0, s);
return p;
}
GeneralException::GeneralException(String emsg) : msg(emsg.strdup()) { }
GeneralException::GeneralException() : msg(0) { }
GeneralException::GeneralException(const GeneralException & e) : msg(strdup(e.msg)) { }
GeneralException::~GeneralException() {
free(msg);
}
char * GeneralException::GetMsg() {
return msg;
}
MemoryException::MemoryException(ssize_t s) {
sprintf(t, _("Failed allocating %lld bytes."), s);
msg = strdup(t);
}
IOException::IOException(String fn, op_t op, ssize_t s) {
sprintf(t, _("An error has occured while %s %lld bytes from %s: %s"), op == IO_WRITE ? _("writing") : _("reading"),
s, fn.to_charp(), strerror(errno));
msg = strdup(t);
}
IOInternal::IOInternal(String fn, op_t op) {
sprintf(t, _("Internal error: has occured while %s from %s: open for %s."), op == IO_WRITE ? _("writing") : _("reading"),
fn.to_charp(), op == IO_WRITE ? _("reading") : _("writing"));
msg = strdup(t);
}
IOGeneral::IOGeneral(String fn) : GeneralException(fn) { }
char * xstrdup(const char * s) throw (MemoryException) {
char * r;
if (!(r = ::strdup(s))) {
throw MemoryException(strlen(s + 1));
}
return r;
}
void * xmalloc(ssize_t s) throw (MemoryException) {
void * r;
if (!(r = ::malloc(s))) {
throw MemoryException(s);
}
return r;
}
#undef free
void xfree(void *& p) {
if (p) {
::free(p);
p = 0;
}
}
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