diff options
Diffstat (limited to '')
| -rw-r--r-- | plugins/wdc/wdc-utils.c | 166 |
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--; + } +} + |