diff options
Diffstat (limited to 'perform/zip_perf.c')
| -rw-r--r-- | perform/zip_perf.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/perform/zip_perf.c b/perform/zip_perf.c index 2d51b3b..0b6d00f 100644 --- a/perform/zip_perf.c +++ b/perform/zip_perf.c @@ -86,7 +86,7 @@ static const char *prog; static const char *option_prefix; static char *filename; static int compress_level = Z_DEFAULT_COMPRESSION; -static int output; +static int output, random_test = FALSE; /* internal functions */ static void error(const char *fmt, ...); @@ -94,7 +94,7 @@ static void compress_buffer(Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen); /* commandline options : long and short form */ -static const char *s_opts = "hB:b:p:s:0123456789"; +static const char *s_opts = "hB:b:p:rs:0123456789"; static struct long_options l_opts[] = { { "help", no_arg, 'h' }, { "file-size", require_arg, 's' }, @@ -131,6 +131,15 @@ static struct long_options l_opts[] = { { "pref", require_arg, 'p' }, { "pre", require_arg, 'p' }, { "pr", require_arg, 'p' }, + { "random-test", no_arg, 'r' }, + { "random-tes", no_arg, 'r' }, + { "random-te", no_arg, 'r' }, + { "random-t", no_arg, 'r' }, + { "random", no_arg, 'r' }, + { "rando", no_arg, 'r' }, + { "rand", no_arg, 'r' }, + { "ran", no_arg, 'r' }, + { "ra", no_arg, 'r' }, { NULL, 0, '\0' } }; @@ -310,7 +319,8 @@ usage(void) printf(" -B S, --max-buffer_size=S Maximum size of buffer [default: 1M]\n"); printf(" -b S, --min-buffer_size=S Minumum size of buffer [default: 128K]\n"); printf(" -p D, --prefix=D The directory prefix to place the file\n"); - printf(" [default: /tmp]\n"); + printf(" -r, --random-test Use random data to write to the file\n"); + printf(" [default: no]\n"); printf("\n"); printf(" D - a directory which exists\n"); printf(" S - is a size specifier, an integer >=0 followed by a size indicator:\n"); @@ -387,6 +397,11 @@ do_write_test(unsigned long file_size, unsigned long min_buf_size, error("out of memory"); } + if (random_test) + /* fill the buffer with random data */ + for (i = 0; i < src_len; ++i) + src[i] = 0xff | (int) (255.0 * rand()/(RAND_MAX + 1.0)); + printf("Buffer size == "); if (src_len >= ONE_KB && (src_len % ONE_KB) == 0) { @@ -498,6 +513,9 @@ main(int argc, char **argv) case 'p': option_prefix = opt_arg; break; + case 'r': + random_test = TRUE; + break; case 's': file_size = parse_size_directive(opt_arg); break; |