/*
* Open file 'fname', in mode 'mode', with filetype 'ftype'.
* Returns file handle or NULL.
*/
ang_file *file_open(const char *fname, file_mode mode, file_type ftype)
{
ang_file *f = ZNEW(ang_file);
char buf[1024];
(void)ftype;
/* Get the system-specific path */
path_parse(buf, sizeof(buf), fname);
switch (mode)
{
case MODE_WRITE: f->fh = fopen(buf, "wb"); break;
case MODE_READ: f->fh = fopen(buf, "rb"); break;
case MODE_APPEND: f->fh = fopen(buf, "a+"); break;
default: f->fh = fopen(buf, "__");
}
if (f->fh == NULL)
{
FREE(f);
return NULL;
}
f->fname = string_make(buf);
f->mode = mode;
if (mode != MODE_READ && file_open_hook)
file_open_hook(buf, ftype);
return f;
}
/*
* Open file 'fname', in mode 'mode', with filetype 'ftype'.
* Returns file handle or NULL.
*/
ang_file *file_open(const char *fname, file_mode mode, file_type ftype)
{
ang_file *f = ZNEW(ang_file);
char buf[1024];
(void)ftype;
/* Get the system-specific path */
path_parse(buf, sizeof(buf), fname);
switch (mode) {
case MODE_WRITE: {
if (ftype == FTYPE_SAVE) {
/* open only if the file does not exist */
int fd;
fd = open(buf, O_CREAT | O_EXCL | O_WRONLY | O_BINARY, S_IRUSR | S_IWUSR);
if (fd < 0) {
/* there was some error */
f->fh = NULL;
} else {
f->fh = fdopen(fd, "wb");
}
} else {
f->fh = fopen(buf, "wb");
}
break;
}
case MODE_READ:
f->fh = fopen(buf, "rb");
break;
case MODE_APPEND:
f->fh = fopen(buf, "a+");
break;
default:
assert(0);
}
if (f->fh == NULL)
{
FREE(f);
return NULL;
}
f->fname = string_make(buf);
f->mode = mode;
if (mode != MODE_READ && file_open_hook)
file_open_hook(buf, ftype);
return f;
}
