123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/**
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* Copyright (2017) Baidu Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Author: suhao@baidu.com(suhao@baidu.com)
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//
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// Save and provide the profile data.
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#include <stdio.h>
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#include <stdlib.h>
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#include "duer_log.h"
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#include "duer_profile.h"
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typedef struct _duer_profile_s {
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void *_data;
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size_t _size;
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} duer_profile_t;
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duer_prof_handler duer_profile_create(const char *path)
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{
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duer_profile_t *profile = NULL;
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FILE *file = NULL;
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int rs = -1;
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do {
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profile = (duer_profile_t *)malloc(sizeof(duer_profile_t));
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if (profile == NULL) {
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LOGE("Create profile failed!");
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break;
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}
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file = fopen(path, "rb");
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if (file == NULL) {
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LOGE("Failed to open file: %s", path);
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break;
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}
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rs = fseek(file, 0, SEEK_END);
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if (rs != 0) {
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LOGE("Seek to file tail failed, rs = %d", rs);
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break;
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}
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profile->_size = ftell(file);
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if (profile->_size < 0) {
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LOGE("Obtain file size failed, rs = %lu", profile->_size);
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rs = -1;
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break;
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}
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rs = fseek(file, 0, SEEK_SET);
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if (rs != 0) {
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LOGE("Seek to file head failed, rs = %d", rs);
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break;
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}
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profile->_data = (char *)malloc(profile->_size + 1);
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if (profile->_data == NULL) {
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LOGE("Alloc the profile profile->_data failed with size = %ld", profile->_size);
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rs = -1;
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break;
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}
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rs = fread(profile->_data, 1, profile->_size, file);
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if (rs < 0) {
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LOGE("Read file failed, rs = %d", rs);
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break;
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}
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((char *)(profile->_data))[profile->_size] = '\0';
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rs = 0;
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} while (0);
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if (file) {
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fclose(file);
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}
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if (rs != 0 && profile) {
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duer_profile_destroy(profile);
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profile = NULL;
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}
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return profile;
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}
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const void *duer_profile_get_data(duer_prof_handler prof)
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{
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duer_profile_t *profile = (duer_profile_t *)prof;
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return profile != NULL ? profile->_data : NULL;
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}
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size_t duer_profile_get_size(duer_prof_handler prof)
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{
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duer_profile_t *profile = (duer_profile_t *)prof;
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return profile != NULL ? profile->_size : 0;
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}
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void duer_profile_destroy(duer_prof_handler prof)
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{
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duer_profile_t *profile = (duer_profile_t *)prof;
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if (profile) {
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if (profile->_data) {
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free(profile->_data);
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profile->_data = NULL;
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}
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free(profile);
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}
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}
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