BOOL ami_download_check_overwrite(const char *file, struct Window *win, ULONG size)
{
/* Return TRUE if file can be (over-)written */
int32 res = 0;
BPTR lock = 0;
char *overwritetext;
if(nsoption_bool(ask_overwrite) == false) return TRUE;
lock = Lock(file, ACCESS_READ);
if(lock)
{
if(size) {
BPTR fh;
int64 oldsize = 0;
if((fh = OpenFromLock(lock))) {
oldsize = GetFileSize(fh);
Close(fh);
}
overwritetext = ASPrintf("%s\n\n%s %s\n%s %s",
messages_get("OverwriteFile"),
messages_get("amiSizeExisting"), human_friendly_bytesize((ULONG)oldsize),
messages_get("amiSizeNew"), human_friendly_bytesize(size));
} else {
UnLock(lock);
overwritetext = ASPrintf(messages_get("OverwriteFile"));
}
res = amiga_warn_user_multi(overwritetext, "Replace", "DontReplace", win);
FreeVec(overwritetext);
}
else return TRUE;
if(res == 1) return TRUE;
else return FALSE;
}
/*
* rpipe() - gets a `cmd' to run and a `file descriptor' to use as its stdin.
*/
int
rpipe(UBYTE * cmd, int fd)
{
BPTR fdFH = 0, /* FileHandle of passed file descriptor */
outPH = 0, /* Pipe (File) Handle for child to write to. */
inPH = 0, /* Pipe (File) Handle for child to read from. */
lock = 0;
int fdr = 0;
char pname[32], *pc;
extern char o_shell[];
if (isOldDOS())
return -1;
/*-
* Sorry, I'm playing with an AZTEC internal here:
* _devtab[fd].fd is Aztec's FileHandle for the file descriptor `fd'.
*
* HINT: For your compiler, look in your compiler's fcntl.h.
*/
switch (fd)
{
case 0:
inPH = Open((UBYTE *) "*", MODE_READWRITE);
break;
default:
#ifdef AZTEC_C
fdFH = _devtab[fd].fd; /* Grab FileHandle from fd */
#elif _DCC
fdFH = fdtofh(fd); /* DCC does it right! */
#else
return -1; /* Sorry, can't help you. */
#endif
/*
* Get a FileHandle to use for the child's stdin.
* The only reason we Dup is because we'll run the child ASynch,
* and it will close its Input and Output on exit.
*/
lock = DupLockFromFH(fdFH);
if (!lock)
return -1;
inPH = OpenFromLock(lock);
}
if (!inPH)
{
if (lock)
UnLock(lock);
return -1;
}
/*
* Get a pipe to use for the child's stdout, which we will read from.
*/
strcpy(pname, "PIPE:ElvisXXX.XXX");
pc = mktemp(pname); /* Get a unique PIPE: */
if (!*pc)
{
Close(inPH);
return -1; /* Failure. */
}
/*
* Get a FileHandle to use for the child's stdout.
*/
if ((BPTR) 0 == (outPH = Open((UBYTE *) pc, MODE_NEWFILE)))
{
Close(inPH);
return -1; /* Failure. */
}
/* Get a file descriptor to return to the calling function */
if ((fdr = open(pc, O_RDONLY)) < 0)
{
Close(inPH);
Close(outPH);
return -1; /* Failure. */
}
/* exec the cmd */
systags[0].ti_Data = inPH; /* Input FileHandle for child */
systags[1].ti_Data = outPH; /* Output FileHandle for child */
systags[2].ti_Data = (long) o_shell;/* which shell to use */
if (System((UBYTE *) cmd, systags))
{
close(fdr);
return -1; /* Failure. */
}
return fdr; /* Success! */
}
