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move some initialization stuff out of main()

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discomfitor 2011-08-11 00:41:21 -04:00 • committed by Con Kolivas
parent 4642e68d6f
commit cfd6915b20
3 changed files with 43 additions and 35 deletions
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40
lrzip.c
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@ -1143,3 +1143,43 @@ void compress_file(rzip_control *control)
free(control->outfile);
}
void initialize_control(rzip_control *control)
{
struct timeval tv;
char *eptr; /* for environment */
memset(control, 0, sizeof(rzip_control));
control->msgout = stderr;
register_outputfile(control->msgout);
control->flags = FLAG_SHOW_PROGRESS | FLAG_KEEP_FILES | FLAG_THRESHOLD;
control->suffix = ".lrz";
control->compression_level = 7;
control->ramsize = get_ram();
/* for testing single CPU */
control->threads = PROCESSORS; /* get CPUs for LZMA */
control->page_size = PAGE_SIZE;
control->nice_val = 19;
/* The first 5 bytes of the salt is the time in seconds.
* The next 2 bytes encode how many times to hash the password.
* The last 9 bytes are random data, making 16 bytes of salt */
if (unlikely(gettimeofday(&tv, NULL)))
fatal("Failed to gettimeofday in main\n");
control->secs = tv.tv_sec;
control->encloops = nloops(control->secs, control->salt, control->salt + 1);
get_rand(control->salt + 2, 6);
/* Get Temp Dir */
eptr = getenv("TMP");
if (eptr != NULL) {
size_t len = strlen(eptr);
control->tmpdir = malloc(len+2);
if (control->tmpdir == NULL)
fatal("Failed to allocate for tmpdir\n");
strcpy(control->tmpdir, eptr);
if (eptr[len - 2] != '/')
eptr[len - 2] = '/'; /* need a trailing slash */
eptr[len - 1] = 0;
}
}