Make multiple sendfile variants, and teach xpopen_both() to use existing

stdin/stdout filehandles.

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/lib.h b/lib/lib.h
index 9de18413..599ade06 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -232,6 +232,9 @@ void loopfiles_rw(char **argv, int flags, int permissions,
   void (*function)(int fd, char *name));
 void loopfiles(char **argv, void (*function)(int fd, char *name));
 void loopfiles_lines(char **argv, void (*function)(char **pline, long len));
+long long sendfile_len(int in, int out, long long len);
+long long xsendfile_len(int in, int out, long long len);
+void xsendfile_pad(int in, int out, long long len);
 long long xsendfile(int in, int out);
 int wfchmodat(int rc, char *name, mode_t mode);
 int copy_tempfile(int fdin, char *name, char **tempname);