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Diffstat (limited to 'Radio/HW/BladeRF/common/src/windows/mkdtemp.c')
-rw-r--r--Radio/HW/BladeRF/common/src/windows/mkdtemp.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/Radio/HW/BladeRF/common/src/windows/mkdtemp.c b/Radio/HW/BladeRF/common/src/windows/mkdtemp.c
new file mode 100644
index 0000000..0e2f804
--- /dev/null
+++ b/Radio/HW/BladeRF/common/src/windows/mkdtemp.c
@@ -0,0 +1,250 @@
+/*
+ * This file is part of the bladeRF project:
+ * http://www.github.com/Nuand/bladeRF
+ *
+ * Copyright (c) 2018 Nuand LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// _CRT_RAND_S must be defined before including stdlib.h, to enable rand_s
+#define _CRT_RAND_S
+#include <stdlib.h>
+
+#ifdef WINDOWS_MKDTEMP_TEST_SUITE
+// Running in standalone test mode
+
+#include <stdbool.h>
+#include <stdio.h>
+#define __debug(...) fprintf(stderr, __VA_ARGS__)
+
+#ifndef WIN32
+// Running standalone test on non-Windows OS
+#include <time.h>
+#include <unistd.h>
+#define errno_t int
+errno_t rand_s(unsigned int *randomValue)
+{
+ *randomValue = rand();
+ return 0;
+}
+#endif // WIN32
+
+#else
+// Building as part of a library
+
+#ifndef WIN32
+#error "This file is intended for use with WIN32 systems only."
+#endif // WIN32
+
+#define __debug(...)
+
+#endif // WINDOWS_MKDTEMP_TEST_SUITE
+
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include "host_config.h"
+
+// The concepts of F_OK and S_IRWXU do not exist on Win32
+#ifndef F_OK
+#define F_OK 0
+#endif
+
+#ifndef S_IRWXU
+#define S_IRWXU 00700
+#endif
+
+/* h/t https://stackoverflow.com/a/14598879 */
+static int random_number(int min_num, int max_num)
+{
+ int result = 0, low_num = 0, hi_num = 0;
+ unsigned int randomValue;
+
+ if (min_num < max_num) {
+ low_num = min_num;
+ hi_num = max_num + 1; // include max_num in output
+ } else {
+ low_num = max_num + 1; // include max_num in output
+ hi_num = min_num;
+ }
+
+ // Use rand_s() on Windows, so that we don't have to deal with srand()
+ errno_t err = rand_s(&randomValue);
+ if (0 != err) {
+ return -1;
+ }
+
+ result = (randomValue % (hi_num - low_num)) + low_num;
+ return result;
+}
+
+char *mkdtemp(char *template)
+{
+ size_t const TEMPL_LEN = 6;
+ char const TEMPL_CHAR = 'X';
+
+ if (strlen(template) <= TEMPL_LEN) {
+ // template is too short
+ errno = EINVAL;
+ goto error;
+ }
+
+ // Loop through the end of the template, replacing 'X' with random char
+ for (size_t i = strlen(template) - TEMPL_LEN; i < strlen(template); ++i) {
+ // The last TEMPL_LEN characters MUST be 'X'
+ if (template[i] != TEMPL_CHAR) {
+ errno = EINVAL;
+ goto error;
+ }
+
+ // Pick a random letter
+ if (random_number(0, 1)) {
+ template[i] = (char)random_number('A', 'Z');
+ } else {
+ template[i] = (char)random_number('a', 'z');
+ }
+ }
+
+ // Error out if the file already exists
+ if (access(template, F_OK) != -1) {
+ __debug("%s: failed: %s exists\n", __FUNCTION__, template);
+ errno = EEXIST;
+ goto error;
+ }
+
+ // Try to create the directory...
+ if (0 != mkdir(template, S_IRWXU)) {
+ int errsv = errno;
+ __debug("%s: mkdir() failed: %s\n", __FUNCTION__, strerror(errsv));
+ goto error;
+ }
+
+ // Success!
+ errno = 0;
+ return template;
+
+error:
+ return NULL;
+}
+
+#ifdef WINDOWS_MKDTEMP_TEST_SUITE
+/**
+ * These functions are intended to verify proper operation of the test suite.
+ */
+static bool test(char *template, bool expect_success)
+{
+ char *rv = mkdtemp(template);
+
+ if (NULL == rv) {
+ int errsv = errno;
+ printf("%s: mkdtemp failed: %s\n", __FUNCTION__, strerror(errsv));
+ return (false == expect_success);
+ } else {
+ printf("%s: mkdtemp created: %s\n", __FUNCTION__, rv);
+
+ if (0 != rmdir(rv)) {
+ int errsv = errno;
+ printf("%s: rmdir failed: %s\n", __FUNCTION__, strerror(errsv));
+ }
+
+ return (true == expect_success);
+ }
+}
+
+int main(int argc, char *argv[])
+{
+#ifndef WIN32
+ srand(time(NULL));
+#endif // WIN32
+
+ int success = 0, failure = 0;
+
+ // Normal: should pass
+ char template1[] = "/tmp/asdf.XXXXXX";
+ if (test(template1, true)) {
+ printf("*** Test case 1: PASS\n");
+ ++success;
+ } else {
+ printf("*** Test case 1: FAIL\n");
+ ++failure;
+ }
+
+ // Too short: should fail
+ char template2[] = "XXXXXX";
+ if (test(template2, false)) {
+ printf("*** Test case 2: PASS\n");
+ ++success;
+ } else {
+ printf("*** Test case 2: FAIL\n");
+ ++failure;
+ }
+
+ // Not enough replacement Xs: should fail
+ char template3[] = "/tmp/asdf.XXXXX";
+ if (test(template3, false)) {
+ printf("*** Test case 3: PASS\n");
+ ++success;
+ } else {
+ printf("*** Test case 3: FAIL\n");
+ ++failure;
+ }
+
+ // Make sure it only replaces the end: should pass
+ char template4[] = "/tmp/asdfXXXXXX.XXXXXX";
+ if (test(template4, true)) {
+ printf("*** Test case 4: PASS\n");
+ ++success;
+ } else {
+ printf("*** Test case 4: FAIL\n");
+ ++failure;
+ }
+
+ // Really long: should fail
+ char template5[] = "/tmp/asdfaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaXXXXXX";
+ if (test(template5, false)) {
+ printf("*** Test case 5: PASS\n");
+ ++success;
+ } else {
+ printf("*** Test case 5: FAIL\n");
+ ++failure;
+ }
+
+ // Unwriteable path: should fail
+ char template6[] = "/asdfkjavblkjadv/asdf.XXXX";
+ if (test(template6, false)) {
+ printf("*** Test case 6: PASS\n");
+ ++success;
+ } else {
+ printf("*** Test case 6: FAIL\n");
+ ++failure;
+ }
+
+ printf("TEST SUMMARY: Success=%d, Failure=%d\n", success, failure);
+
+ return failure;
+}
+#endif // WINDOWS_MKDTEMP_TEST_SUITE