| /* |
| * Copyright (c) 2013-2019, Intel Corporation |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * * Neither the name of Intel Corporation nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "ptunit_mkfile.h" |
| |
| #include "intel-pt.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| |
| int ptunit_mkfile(FILE **pfile, char **pfilename, const char *mode) |
| { |
| FILE *file; |
| const char *tmpdir; |
| const char *tmpfile; |
| char template[256], *filename; |
| int fd, len; |
| |
| tmpfile = "ptunit-tmp-XXXXXX"; |
| tmpdir = getenv("TMP"); |
| if (!tmpdir || !tmpdir[0]) |
| tmpdir = "/tmp"; |
| |
| len = snprintf(template, sizeof(template), "%s/%s", tmpdir, tmpfile); |
| if (len < 0) |
| return -pte_not_supported; |
| |
| /* We must not truncate the template. */ |
| if (sizeof(template) <= (size_t) len) |
| return -pte_not_supported; |
| |
| fd = mkstemp(template); |
| if (fd == -1) |
| return -pte_not_supported; |
| |
| file = fdopen(fd, mode); |
| if (!file) { |
| close(fd); |
| return -pte_not_supported; |
| } |
| |
| filename = strdup(template); |
| if (!filename) { |
| fclose(file); |
| return -pte_nomem; |
| } |
| |
| *pfile = file; |
| *pfilename = filename; |
| |
| return 0; |
| } |