2 * Copyright (C) 2019 Richard W.M. Jones
3 * Copyright (C) 2019 Red Hat Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 let failwithf fs = ksprintf failwith fs
24 (* From OCaml 4.08 sources. We can remove this when we can
25 * depend on min OCaml 4.08.
28 let rec aux accu = function
33 | Some v -> aux (v :: accu) l
38 (* From libguestfs sources. *)
39 let rec string_find s sub =
40 let len = String.length s in
41 let sublen = String.length sub in
43 if i <= len-sublen then (
46 if s.[i+j] = sub.[j] then loop2 (j+1)
52 if r = -1 then loop (i+1) else r
60 (* || c = '\f' *) || c = '\n' || c = '\r' || c = '\t' (* || c = '\v' *)
62 let triml ?(test = isspace) str =
64 let n = ref (String.length str) in
65 while !n > 0 && test str.[!i]; do
70 else String.sub str !i !n
72 let trimr ?(test = isspace) str =
73 let n = ref (String.length str) in
74 while !n > 0 && test str.[!n-1]; do
77 if !n = String.length str then str
78 else String.sub str 0 !n
80 let trim ?(test = isspace) str =
81 trimr ~test (triml ~test str)