From e0023883c6d2e6745a19e4b48e186ed156c1fca8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:19:27 +0200 Subject: Adding upstream version 2.11.2. Signed-off-by: Daniel Baumann --- gl/lib/tempname.h | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 gl/lib/tempname.h (limited to 'gl/lib/tempname.h') diff --git a/gl/lib/tempname.h b/gl/lib/tempname.h new file mode 100644 index 0000000..c172820 --- /dev/null +++ b/gl/lib/tempname.h @@ -0,0 +1,72 @@ +/* Create a temporary file or directory. + + Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +/* header written by Eric Blake */ + +#ifndef GL_TEMPNAME_H +# define GL_TEMPNAME_H + +# include + +# ifdef __GT_FILE +# define GT_FILE __GT_FILE +# define GT_DIR __GT_DIR +# define GT_NOCREATE __GT_NOCREATE +# else +# define GT_FILE 0 +# define GT_DIR 1 +# define GT_NOCREATE 2 +# endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* Generate a temporary file name based on TMPL. TMPL must match the + rules for mk[s]temp (i.e. end in "XXXXXX", possibly with a suffix). + The name constructed does not exist at the time of the call to + gen_tempname. TMPL is overwritten with the result. + + KIND may be one of: + GT_NOCREATE: simply verify that the name does not exist + at the time of the call. + GT_FILE: create a large file using open(O_CREAT|O_EXCL) + and return a read-write fd. The file is mode 0600. + GT_DIR: create a directory, which will be mode 0700. + + We use a clever algorithm to get hard-to-predict names. */ +extern int gen_tempname (char *tmpl, int suffixlen, int flags, int kind); +/* Similar, except X_SUFFIX_LEN gives the number of Xs. */ +extern int gen_tempname_len (char *tmpl, int suffixlen, int flags, int kind, + size_t x_suffix_len); + +/* Similar to gen_tempname, but TRYFUNC is called for each temporary + name to try. If TRYFUNC returns a non-negative number, TRY_GEN_TEMPNAME + returns with this value. Otherwise, if errno is set to EEXIST, another + name is tried, or else TRY_GEN_TEMPNAME returns -1. */ +extern int try_tempname (char *tmpl, int suffixlen, void *args, + int (*tryfunc) (char *, void *)); +/* Similar, except X_SUFFIX_LEN gives the number of Xs. */ +extern int try_tempname_len (char *tmpl, int suffixlen, void *args, + int (*tryfunc) (char *, void *), + size_t x_suffix_len); + +#ifdef __cplusplus +} +#endif + +#endif /* GL_TEMPNAME_H */ -- cgit v1.2.3