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Diffstat (limited to 'source3/lib/xfile.c')
-rw-r--r--source3/lib/xfile.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/source3/lib/xfile.c b/source3/lib/xfile.c
index 71f8bdbcbb..ef33c7894f 100644
--- a/source3/lib/xfile.c
+++ b/source3/lib/xfile.c
@@ -123,6 +123,28 @@ XFILE *x_fopen(const char *fname, int flags, mode_t mode)
return ret;
}
+XFILE *x_fdup(const XFILE *f)
+{
+ XFILE *ret;
+ int fd;
+
+ fd = dup(x_fileno(f));
+ if (fd < 0) {
+ return NULL;
+ }
+
+ ret = SMB_CALLOC_ARRAY(XFILE, 1);
+ if (!ret) {
+ close(fd);
+ return NULL;
+ }
+
+ ret->fd = fd;
+ ret->open_flags = f->open_flags;
+ x_setvbuf(ret, NULL, X_IOFBF, XBUFSIZE);
+ return ret;
+}
+
/* simulate fclose() */
int x_fclose(XFILE *f)
{
@@ -220,7 +242,7 @@ size_t x_fwrite(const void *p, size_t size, size_t nmemb, XFILE *f)
}
/* at least fileno() is simple! */
-int x_fileno(XFILE *f)
+int x_fileno(const XFILE *f)
{
return f->fd;
}