int32_t SafeOpenRead(const char *filename, int32_t filetype)
{
switch (filetype)
{
case filetype_binary:
return SafeOpen(filename, O_RDONLY|O_BINARY, BS_IREAD);
case filetype_text:
return SafeOpen(filename, O_RDONLY|O_TEXT, BS_IREAD);
default:
initprintf("SafeOpenRead: Illegal filetype specified");
return -1;
}
}
Attachment*
AttachArea::addAttachment(
DtMail::Message* msg,
DtMail::BodyPart *lastAttBP,
char *filename,
char *name
)
{
int fd;
struct stat s;
Boolean validtype = TRUE;
DtMail::BodyPart * bp = NULL;
DtMailEnv mail_error;
int answer;
char *helpId = NULL;
mail_error.clear();
char *errormsg = new char[512];
char *buf = new char[2048];
char *buffer = NULL, *lbl;
char *fname_start;
for (fname_start = filename + strlen(filename) - 1;
fname_start >= filename && *fname_start != '/'; fname_start--) {
continue;
}
if (*fname_start == '/') {
fname_start += 1;
}
bp = msg->newBodyPart(mail_error, lastAttBP);
if (SafeAccess(filename, F_OK) != 0) {
sprintf(buf, GETMSG(DT_catd, 3, 34, "%s does not exist."),
filename);
answer = this->handleErrorDialog(GETMSG(DT_catd, 1, 81, "Mailer"),
buf);
delete [] buf;
delete [] errormsg;
return(NULL);
}
SafeStat(filename, &s);
if(S_ISFIFO(s.st_mode)) {
sprintf(errormsg,
GETMSG(DT_catd, 12, 4, "Cannot attach FIFO files: %s"), filename);
validtype = FALSE;
} else if(S_ISCHR(s.st_mode)) {
sprintf(
errormsg,
GETMSG(DT_catd, 12, 5, "Cannot attach character special files: %s"), filename
);
validtype = FALSE;
} else if(S_ISDIR(s.st_mode)) {
sprintf(
errormsg,
GETMSG(DT_catd, 12, 6, "Cannot attach directories: %s"), filename
);
validtype = FALSE;
} else if(S_ISBLK(s.st_mode)) {
sprintf(errormsg,
GETMSG(DT_catd, 12, 7, "Cannot attach block special files: %s"), filename
);
validtype = FALSE;
} else if(S_ISSOCK(s.st_mode)) {
sprintf(errormsg,
GETMSG(DT_catd, 12, 8, "Cannot attach socket files: %s"), filename
);
validtype = FALSE;
}
if(validtype == FALSE) {
answer = this->handleErrorDialog(GETMSG(DT_catd, 1, 81, "Mailer"),
errormsg,
NULL);
delete [] buf;
delete [] errormsg;
return(NULL);
}
fd = SafeOpen(filename, O_RDONLY);
if (fd < 0) {
sprintf(buf, GETMSG(DT_catd, 3, 35, "Unable to open %s."), filename);
helpId = DTMAILHELPNOOPEN;
answer = this->handleErrorDialog(GETMSG(DT_catd, 1, 82, "Mailer"),
buf,
helpId);
delete [] buf;
delete [] errormsg;
return(NULL);
}
int page_size = (int)sysconf(_SC_PAGESIZE);
size_t map_size = (size_t) (s.st_size +
(page_size - (s.st_size % page_size)));
char * map;
#if defined(__osf__)
// This version of mmap does NOT allow requested length to be
// greater than the file size ... in contradiction to the
// documentation (don't round up).
map = (char *) mmap(0, s.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
#else
map = (char *) mmap(0, map_size, PROT_READ, MAP_PRIVATE, fd, 0);
#endif
if (map == (char *)-1) {
// We could not map it for some reason. Let's just read it into
// buffer and pass it to XmText.
//
buffer = new char[s.st_size + 1];
if (!buffer) {
sprintf(buf, "%s",
GETMSG(DT_catd, 3, 36, "Unable to allocate memory."));
helpId = DTMAILHELPNOALLOCMEM;
answer = this->handleErrorDialog(GETMSG(DT_catd, 1, 83, "Mailer"),
buf,
helpId);
return(NULL);
}
if (read(fd, buffer, (unsigned int) s.st_size) < 0) {
SafeClose(fd);
return(NULL);
}
buffer[s.st_size] = 0;
bp->setContents(
mail_error, buffer, s.st_size, NULL, fname_start, 0, NULL
);
}
else {
// We now have a mapped file. XmText wants a zero terminated
// buffer. We get luck with mmap because unless the file is
// an even page size, we will have some zero fill bytes that
// are legal to access.
//
// Of course in the case of an even page size file we must
// copy the buffer, terminate it and then give it to XmText.
//
bp->setContents(
mail_error, map, s.st_size, NULL, fname_start, 0, NULL
);
munmap(map, map_size);
}
SafeClose(fd);
// _iconCount + 1 because iconCount starts at 0 and we want
// attachmentCount to begin at 1. attachmentCount is set to be
// in the widget's userData.
if(name)
lbl = strdup(name);
else {
if(strchr(filename, '/') == NULL) // The name does not include a slash
lbl = strdup(filename);
else // The name does include a slash
lbl = strdup(strrchr(filename, '/')+1);
}
Attachment *attachment = new Attachment(this, lbl, bp, _iconCount + 1);
attachment->setAttachArea(this);
attachment->initialize();
addToList( attachment );
// Update the display. The Compose Window needs immediate update.
this->manageList();
delete [] buf;
delete [] errormsg;
return(attachment);
}
