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#include <malloc.h>
#include <string.h>
#include <errno.h>
#include <stddef.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_GLIB
#include <glib.h>
#endif
#ifdef DEBUG
#include <iostream>
#endif
#ifdef HAVE_PIPE
#include <unistd.h>
#endif
#include "BString.h"
#include "Exceptions.h"
#include "generic.h"
#include "gettext.h"
char GeneralException::t[BUFSIZ];
GeneralException::GeneralException(String emsg) : msg(emsg.strdup()) {
#ifdef DEBUG
std::cerr << _("Generating a General Exception error: '") << msg << "'.\n";
#endif
}
GeneralException::GeneralException() : msg(0) {
#ifdef DEBUG
std::cerr << _("Generating a General Exception error: '") << msg << "'.\n";
#endif
}
GeneralException::GeneralException(const GeneralException & e) : msg(strdup(e.msg)) {
#ifdef DEBUG
std::cerr << _("Generating a General Exception error: '") << msg << "'.\n";
#endif
}
GeneralException::~GeneralException() {
free(msg);
}
TaskNotFound::TaskNotFound() : GeneralException("Task not found") { }
const char * GeneralException::GetMsg() const {
return msg;
}
MemoryException::MemoryException(ssize_t s) {
sprintf(t, _("Failed allocating %u bytes."), s);
msg = strdup(t);
}
IOException::IOException(String fn, op_t op, ssize_t s) {
sprintf(t, _("An error has occured while %s %u bytes on %s: %s"), op == IO_WRITE ? _("writing") : _("reading"),
s, fn.to_charp(), strerror(errno));
msg = strdup(t);
}
IOGeneral::IOGeneral(String fn) : GeneralException(fn) { }
IOGeneral::IOGeneral() { }
IOAgain::IOAgain() : IOGeneral(_("No more bytes for reading or writing.")) {
#ifdef DEBUG
std::cerr << "Generating an IOAgain exception: '" << GetMsg() << "'.\n";
#endif
}
TaskSwitch::TaskSwitch() : GeneralException(_("Switching task in a non-tasked environnement")) {
#ifdef DEBUG
std::cerr << "Generating a TaskSwitch exception: '" << GetMsg() << "'.\n";
#endif
}
Exit::Exit(int a_code) : GeneralException(_("Exitting with code " + a_code)), code(a_code) {
#ifdef DEBUG
std::cerr << "Generating an Exit exception: '" << GetMsg() << "'.\n";
#endif
}
int Exit::GetCode() {
return code;
}
char * xstrdup(const char * s) {
char * r;
r = (char *) xmalloc(strlen(s) + 1);
strcpy(r, s);
return r;
}
void * xmalloc(size_t s) throw (GeneralException) {
char * r;
if (s == 0) {
return 0;
}
if (!(r = (char *) ::malloc(s))) {
throw MemoryException(s);
}
#ifdef DEBUG
fprintf(stderr, "Allocating %i bytes of memory, got it at %p\n", s, r);
#endif
memset(r, 0, s);
return (void *)(r);
}
void * xrealloc(void * ptr, size_t s) {
#ifdef DEBUG
void * r = realloc(ptr, s);
fprintf(stderr, "Reallocating pointer at %p for %i bytes, now at %p\n", ptr, s, r);
return r;
#else
return realloc(ptr, s);
#endif
}
void xfree(unsigned char *& p) {
char * t = (char *) p;
xfree(t);
p = 0;
}
void xfree(void *& p) {
char * t = (char *) p;
xfree(t);
p = 0;
}
void xfree(char *& p) {
#ifdef DEBUG
fprintf(stderr, "Freeing pointer at %p\n", p);
#endif
if (p) {
::free(p);
p = 0;
}
}
#ifdef HAVE_PIPE
int xpipe(int * p, int flag) throw (GeneralException) {
if (pipe(p)) {
throw GeneralException(String(_("Error creating pipe: ")) + strerror(errno));
}
return p[flag];
}
#else
int xpipe(int *, int) throw (GeneralException) {
throw GeneralException(_("Function pipe() not supported by this system.\n"));
}
#endif
#ifdef HAVE_FORK
pid_t xfork() throw (GeneralException) {
pid_t p;
p = fork();
if (p == -1) {
throw GeneralException(_("Was not able to fork().\n"));
}
return p;
}
#else
pid_t xfork() throw (GeneralException) {
throw GeneralException(_("Function fork() not supported by this system.\n"));
}
#endif
void xexit(int status) throw (GeneralException) {
throw Exit(status);
}
char * Base::strdup(const char * s) {
return xstrdup(s);
}
void * Base::malloc(ssize_t s) {
return xmalloc(s);
}
void * Base::realloc(void * p, size_t s) {
return xrealloc(p, s);
}
void * Base::calloc(size_t n, size_t s) {
return xmalloc(n * s);
}
void * Base::operator new(size_t s) {
#ifdef DEBUG
cerr << "Operator new(s) called. Allocating memory.\n";
#endif
return xmalloc(s);
}
void * Base::operator new(size_t s, void * p) {
#ifdef DEBUG
printm(M_BARE, "Operator new(s, p) called with p = %p and s = %i. Erasing memory.\n", p, s);
#endif
return memset(p, 0, s);
}
void Base::operator delete(void * p) {
#ifdef DEBUG
printm(M_BARE, "Operator delete(p) called. Freeing memory.\n");
#endif
xfree(p);
}
void Base::free(void *& p) {
xfree(p);
}
void Base::free(char *& p) {
xfree(p);
}
void Base::free(unsigned char *& p) {
xfree(p);
}
int Base::pipe(int * p, int flag) {
return xpipe(p, flag);
}
pid_t Base::fork() {
return xfork();
}
void Base::exit(int status) {
xexit(status);
}
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