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117 lines
3 KiB
C
117 lines
3 KiB
C
/***********************************************************************
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*
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* Copyright (c) 2018 Broadcom Ltd
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* All Rights Reserved
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*
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<:label-BRCM:2018:DUAL/GPL:standard
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Unless you and Broadcom execute a separate written software license
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agreement governing use of this software, this software is licensed
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to you under the terms of the GNU General Public License version 2
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(the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
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with the following added to such license:
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As a special exception, the copyright holders of this software give
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you permission to link this software with independent modules, and
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to copy and distribute the resulting executable under terms of your
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choice, provided that you also meet, for each linked independent
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module, the terms and conditions of the license of that module.
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An independent module is a module which is not derived from this
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software. The special exception does not apply to any modifications
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of the software.
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Not withstanding the above, under no circumstances may you combine
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this software in any way with any other Broadcom software provided
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under a license other than the GPL, without Broadcom's express prior
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written consent.
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:>
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*
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************************************************************************/
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <errno.h>
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#include "sysutil_fs.h"
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int sysUtil_isFilePresent(const char *filename)
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{
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struct stat statbuf;
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int rc;
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rc = stat(filename, &statbuf);
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if (rc == 0)
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{
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return 1; // TRUE
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}
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else
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{
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return 0; // FALSE
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}
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}
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int sysUtil_getFileSize(const char *filename)
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{
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struct stat statbuf;
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int rc;
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rc = stat(filename, &statbuf);
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if (rc == 0)
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{
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return ((int) statbuf.st_size);
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}
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else
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{
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return -1;
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}
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}
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BcmRet sysUtil_copyToBuffer(const char *filename, UINT8 *buf, UINT32 *bufSize)
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{
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SINT32 actualFileSize;
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SINT32 fd, rc;
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if (-1 == (actualFileSize = sysUtil_getFileSize(filename)))
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{
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fprintf(stderr, "%s: could not get filesize for %s", __FUNCTION__, filename);
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return BCMRET_INTERNAL_ERROR;
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}
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if (*bufSize < (UINT32) actualFileSize)
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{
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fprintf(stderr, "%s: user supplied buffer is %d, filename actual size is %d",
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__FUNCTION__, *bufSize, actualFileSize);
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return BCMRET_RESOURCE_EXCEEDED;
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}
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*bufSize = 0;
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fd = open(filename, 0);
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if (fd < 0)
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{
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fprintf(stderr, "%s: could not open file %s, errno=%d", __FUNCTION__, filename, errno);
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return BCMRET_INTERNAL_ERROR;
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}
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rc = read(fd, buf, actualFileSize);
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if (rc != actualFileSize)
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{
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fprintf(stderr, "%s: read error, got %d, expected %d", __FUNCTION__, rc, actualFileSize);
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close(fd);
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return BCMRET_INTERNAL_ERROR;
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}
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close(fd);
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/* let user know how many bytes was actually copied */
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*bufSize = (UINT32) actualFileSize;
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return BCMRET_SUCCESS;
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}
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