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81 lines
2.4 KiB
81 lines
2.4 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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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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#include <stdio.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/errno.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include "ioshark.h"
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/*
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* Real simple utility that just extracts and dumps the IOshark filenames
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* one per line from the ioshark_filenames file. Useful in debugging.
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*/
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int
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main(int argc __attribute__((unused)), char **argv)
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{
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char *progname;
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static FILE *filename_cache_fp;
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struct stat st;
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struct ioshark_filename_struct *filename_cache;
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int filename_cache_num_entries;
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size_t filename_cache_size;
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int i;
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progname = argv[0];
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if (stat("ioshark_filenames", &st) < 0) {
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fprintf(stderr, "%s Can't stat ioshark_filenames file\n",
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progname);
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exit(EXIT_FAILURE);
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}
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filename_cache_num_entries = st.st_size /
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sizeof(struct ioshark_filename_struct);
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filename_cache_fp = fopen("ioshark_filenames", "r");
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if (filename_cache_fp == NULL) {
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fprintf(stderr, "%s Cannot open ioshark_filenames file\n",
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progname);
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exit(EXIT_FAILURE);
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}
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/* Preallocate a fixed size of entries */
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filename_cache_size = filename_cache_num_entries + 1024;
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filename_cache = calloc(filename_cache_size,
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sizeof(struct ioshark_filename_struct));
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if (filename_cache == NULL) {
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fprintf(stderr, "%s Can't allocate memory - this is fatal\n",
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__func__);
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exit(EXIT_FAILURE);
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}
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if (fread(filename_cache,
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sizeof(struct ioshark_filename_struct),
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filename_cache_num_entries,
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filename_cache_fp) != (size_t)filename_cache_num_entries) {
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fprintf(stderr, "%s Can't read ioshark_filenames file\n",
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progname);
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exit(EXIT_FAILURE);
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}
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for (i = 0 ; i < filename_cache_num_entries ; i++) {
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printf("%s\n", filename_cache[i].path);
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}
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free(filename_cache);
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fclose(filename_cache_fp);
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}
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