From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- sys/libc/cvfnbrk.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 sys/libc/cvfnbrk.c (limited to 'sys/libc/cvfnbrk.c') diff --git a/sys/libc/cvfnbrk.c b/sys/libc/cvfnbrk.c new file mode 100644 index 00000000..346b07fb --- /dev/null +++ b/sys/libc/cvfnbrk.c @@ -0,0 +1,30 @@ +/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. +*/ + +#define import_spp +#define import_libc +#define import_knames +#include + + +/* C_VFNBRK -- Break a virtual filename (or host filename) into its component +** parts, i.e., logical directory (ldir), root, and extension. No characters +** are actually moved, rather, the offsets to the root and extn fields are +** returned as output arguments. +*/ +void +c_vfnbrk ( + char *vfn, /* virtual filename (or osfn) */ + int *root, /* offset of root field. */ + int *extn /* offset of extn field. */ +) +{ + XCHAR sppvfn[SZ_PATHNAME]; + XINT x_root = *root, x_extn = extn; + + ZFNBRK (c_strupk(vfn,sppvfn,SZ_PATHNAME), &x_root, &x_extn); + + /* Make offsets zero-indexed. */ + *root -= 1; + *extn -= 1; +} -- cgit