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-rw-r--r--plugins/wdc/wdc-utils.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/plugins/wdc/wdc-utils.c b/plugins/wdc/wdc-utils.c
new file mode 100644
index 0000000..38e61ed
--- /dev/null
+++ b/plugins/wdc/wdc-utils.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2017-2018 Western Digital Corporation or its affiliates.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ * Author: Jeff Lien <jeff.lien@wdc.com>,
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+#include "wdc-utils.h"
+
+int wdc_UtilsSnprintf(char *buffer, unsigned int sizeOfBuffer, const char *format, ...)
+{
+ int res = 0;
+ va_list vArgs;
+
+ va_start(vArgs, format);
+ res = vsnprintf(buffer, sizeOfBuffer, format, vArgs);
+ va_end(vArgs);
+
+ return res;
+}
+
+void wdc_UtilsDeleteCharFromString(char* buffer, int buffSize, char charToRemove)
+{
+ int i = 0;
+ int count = 0;
+
+ if (!buffer || !buffSize)
+ return;
+
+ /*
+ * Traverse the given string. If current character is not charToRemove,
+ * then place it at index count++
+ */
+ for (i = 0; ((i < buffSize) && (buffer[i] != '\0')); i++) {
+ if (buffer[i] != charToRemove)
+ buffer[count++] = buffer[i];
+ }
+ buffer[count] = '\0';
+}
+
+int wdc_UtilsGetTime(PUtilsTimeInfo timeInfo)
+{
+ time_t currTime;
+ struct tm currTimeInfo;
+
+ if(!timeInfo)
+ return WDC_STATUS_INVALID_PARAMETER;
+
+ tzset();
+ time(&currTime);
+ localtime_r(&currTime, &currTimeInfo);
+
+ timeInfo->year = currTimeInfo.tm_year + 1900;
+ timeInfo->month = currTimeInfo.tm_mon + 1;
+ timeInfo->dayOfWeek = currTimeInfo.tm_wday;
+ timeInfo->dayOfMonth = currTimeInfo.tm_mday;
+ timeInfo->hour = currTimeInfo.tm_hour;
+ timeInfo->minute = currTimeInfo.tm_min;
+ timeInfo->second = currTimeInfo.tm_sec;
+ timeInfo->msecs = 0;
+ timeInfo->isDST = currTimeInfo.tm_isdst;
+#if defined(__GLIBC__) && !defined(__UCLIBC__) && !defined(__MUSL__)
+ timeInfo->zone = -currTimeInfo.tm_gmtoff / 60;
+#else
+ timeInfo->zone = -1 * (timezone / SECONDS_IN_MIN);
+#endif
+
+ return WDC_STATUS_SUCCESS;
+}
+
+int wdc_UtilsCreateDir(char *path)
+{
+ int retStatus;
+ int status = WDC_STATUS_SUCCESS;
+
+ if (!path )
+ return WDC_STATUS_INVALID_PARAMETER;
+
+ retStatus = mkdir(path, 0x999);
+ if (retStatus < 0) {
+ if (errno == EEXIST)
+ status = WDC_STATUS_DIR_ALREADY_EXISTS;
+ else if (errno == ENOENT)
+ status = WDC_STATUS_PATH_NOT_FOUND;
+ else
+ status = WDC_STATUS_CREATE_DIRECTORY_FAILED;
+ }
+
+ return status;
+}
+
+int wdc_WriteToFile(char *fileName, char *buffer, unsigned int bufferLen)
+{
+ int status = WDC_STATUS_SUCCESS;
+ FILE *file;
+ size_t bytesWritten = 0;
+
+ file = fopen(fileName, "ab+");
+ if (!file) {
+ status = WDC_STATUS_UNABLE_TO_OPEN_FILE;
+ goto end;
+ }
+
+ bytesWritten = fwrite(buffer, 1, bufferLen, file);
+ if (bytesWritten != bufferLen)
+ status = WDC_STATUS_UNABLE_TO_WRITE_ALL_DATA;
+
+end:
+ if(file)
+ fclose(file);
+ return status;
+}
+
+/**
+ * Compares the strings ignoring their cases.
+ *
+ * @param pcSrc Points to a null terminated string for comapring.
+ * @param pcDst Points to a null terminated string for comapring.
+ *
+ * @returns zero if the string matches or
+ * 1 if the pcSrc string is lexically higher than pcDst or
+ * -1 if the pcSrc string is lexically lower than pcDst.
+ */
+int wdc_UtilsStrCompare(char *pcSrc, char *pcDst)
+{
+ while ((toupper(*pcSrc) == toupper(*pcDst)) && (*pcSrc != '\0')) {
+ pcSrc++;
+ pcDst++;
+ }
+ return *pcSrc - *pcDst;
+}
+
+void wdc_StrFormat(char *formatter, size_t fmt_sz, char *tofmt, size_t tofmtsz)
+{
+
+ fmt_sz = snprintf(formatter,fmt_sz, "%-*.*s",
+ (int)tofmtsz, (int)tofmtsz, tofmt);
+ /* trim() the obnoxious trailing white lines */
+ while (fmt_sz) {
+ if (formatter[fmt_sz - 1] != ' ' && formatter[fmt_sz - 1] != '\0') {
+ formatter[fmt_sz] = '\0';
+ break;
+ }
+ fmt_sz--;
+ }
+}
+