projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d8adcbd MM |
1 | /* Create a temporary file or directory. |
| 2 | ||
| c0c3707f | 3 | Copyright (C) 2006, 2009-2019 Free Software Foundation, Inc. |
| 2d8adcbd MM |
4 | |
| 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 3 of the License, or | |
| 8 | (at your option) any later version. | |
| 9 | ||
| 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. | |
| 14 | ||
| 15 | You should have received a copy of the GNU General Public License | |
| c0c3707f | 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| 2d8adcbd MM |
17 | |
| 18 | /* header written by Eric Blake */ | |
| 19 | ||
| 20 | #ifndef GL_TEMPNAME_H | |
| 21 | # define GL_TEMPNAME_H | |
| 22 | ||
| 23 | # include <stdio.h> | |
| 24 | ||
| 25 | # ifdef __GT_FILE | |
| 26 | # define GT_FILE __GT_FILE | |
| 27 | # define GT_DIR __GT_DIR | |
| 28 | # define GT_NOCREATE __GT_NOCREATE | |
| 29 | # else | |
| 30 | # define GT_FILE 0 | |
| 31 | # define GT_DIR 1 | |
| 32 | # define GT_NOCREATE 2 | |
| 33 | # endif | |
| 34 | ||
| 35 | #ifdef __cplusplus | |
| 36 | extern "C" { | |
| 37 | #endif | |
| 38 | ||
| 39 | /* Generate a temporary file name based on TMPL. TMPL must match the | |
| 40 | rules for mk[s]temp (i.e. end in "XXXXXX", possibly with a suffix). | |
| 41 | The name constructed does not exist at the time of the call to | |
| 42 | gen_tempname. TMPL is overwritten with the result. | |
| 43 | ||
| 44 | KIND may be one of: | |
| 45 | GT_NOCREATE: simply verify that the name does not exist | |
| 46 | at the time of the call. | |
| 47 | GT_FILE: create a large file using open(O_CREAT|O_EXCL) | |
| 48 | and return a read-write fd. The file is mode 0600. | |
| 49 | GT_DIR: create a directory, which will be mode 0700. | |
| 50 | ||
| 51 | We use a clever algorithm to get hard-to-predict names. */ | |
| 52 | extern int gen_tempname (char *tmpl, int suffixlen, int flags, int kind); | |
| 53 | ||
| 54 | /* Similar to gen_tempname, but TRYFUNC is called for each temporary | |
| 55 | name to try. If TRYFUNC returns a non-negative number, TRY_GEN_TEMPNAME | |
| 56 | returns with this value. Otherwise, if errno is set to EEXIST, another | |
| 57 | name is tried, or else TRY_GEN_TEMPNAME returns -1. */ | |
| 58 | extern int try_tempname (char *tmpl, int suffixlen, void *args, | |
| 59 | int (*tryfunc) (char *, void *)); | |
| 60 | ||
| 61 | #ifdef __cplusplus | |
| 62 | } | |
| 63 | #endif | |
| 64 | ||
| 65 | #endif /* GL_TEMPNAME_H */ |