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/*
* Copyright (c) 2013-2014 Douglas Gilbert.
* All rights reserved.
* Use of this source code is governed by a BSD-style
* license that can be found in the BSD_LICENSE file.
*/
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <getopt.h>
#include <ctype.h>
#include <errno.h>
#include "sg_lib.h"
/* A utility program to test sg_libs string handling, specifically
* related to snprintf().
*
*/
static char * version_str = "1.01 20140427";
#define MAX_LINE_LEN 1024
static struct option long_options[] = {
{"dtsrhex", 0, 0, 'd'},
{"help", 0, 0, 'h'},
{"printf", 0, 0, 'p'},
{"sense", 0, 0, 's'},
{"verbose", 0, 0, 'v'},
{"version", 0, 0, 'V'},
{0, 0, 0, 0},
};
const unsigned char desc_sense_data1[] = {
/* unrec_err, excessive_writes, sdat_ovfl, additional_len=? */
0x72, 0x1, 0x3, 0x2, 0x80, 0x0, 0x0, 12+12+8+4+8+4+28,
/* Information: 0x11223344556677bb */
0x0, 0xa, 0x80, 0x0, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0xbb,
/* command specific: 0x3344556677bbccff */
0x1, 0xa, 0x0, 0x0, 0x33, 0x44, 0x55, 0x66, 0x77, 0xbb, 0xcc, 0xff,
/* sense key specific: SKSV=1, actual_count=257 (hex: 0x101) */
0x2, 0x6, 0x0, 0x0, 0x80, 0x1, 0x1, 0x0,
/* field replaceable code=0x45 */
0x3, 0x2, 0x0, 0x45,
/* another progress report indicator */
0xa, 0x6, 0x2, 0x1, 0x2, 0x0, 0x32, 0x01,
/* incorrect length indicator (ILI) */
0x5, 0x2, 0x0, 0x20,
/* user data degment referral */
0xb, 26, 0x1, 0x0,
0,0,0,1, 0x1,0x2,0x3,0x4,0x5,0x6,0x7,0x8,
0x1,0x2,0x3,0x4,0x55,0x6,0x7,0x8,
2,0,0x12,0x34,
};
const unsigned char desc_sense_data2[] = {
/* ill_req, inv fld in para list, additional_len=? */
0x72, 0x5, 0x26, 0x0, 0x0, 0x0, 0x0, 8+4,
/* sense key specific: SKSV=1, C/D*=0, bitp=7 bytep=34 */
0x2, 0x6, 0x0, 0x0, 0x8f, 0x0, 0x34, 0x0,
/* field replaceable code=0x45 */
0x3, 0x2, 0x0, 0x45,
};
static void
usage()
{
fprintf(stderr, "Usage: "
"tst_sg_lib [--dstrhex] [--help] [--printf] [--sense] "
"[--verbose]\n"
" [--version]\n"
" where: --dstrhex|-d test dStrHex* variants\n"
" --help|-h print out usage message\n"
" --printf|-p test library printf variants\n"
" --sense|-s test sense data handling\n"
" --verbose|-v increase verbosity\n"
" --version|-V print version string and exit\n\n"
"Test various parts of sg_lib, see options\n"
);
}
/* Want safe, 'n += snprintf(b + n ...)' like function. If cp_max_len is 1
* then assume cp is pointing to a null char and do nothing. Returns number
* number of chars placed in cp excluding the trailing null char. So for
* cp_max_len > 0 the return value is always < cp_max_len; for cp_max_len
* <= 0 the return value is 0 (and no chars are written to cp). */
static int
my_snprintf(char * cp, int cp_max_len, const char * fmt, ...)
{
va_list args;
int n;
if (cp_max_len < 2)
return 0;
va_start(args, fmt);
n = vsnprintf(cp, cp_max_len, fmt, args);
va_end(args);
return (n < cp_max_len) ? n : (cp_max_len - 1);
}
int
main(int argc, char * argv[])
{
int k, c, n, len;
int do_dstrhex = 0;
int do_printf = 0;
int do_sense = 0;
int did_something = 0;
int verbose = 0;
int ret = 0;
char b[2048];
char bb[128];
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "dhpsvV", long_options,
&option_index);
if (c == -1)
break;
switch (c) {
case 'd':
++do_dstrhex;
break;
case 'h':
case '?':
usage();
return 0;
case 'p':
++do_printf;
break;
case 's':
++do_sense;
break;
case 'v':
++verbose;
break;
case 'V':
fprintf(stderr, "version: %s\n", version_str);
return 0;
default:
fprintf(stderr, "unrecognised switch code 0x%x ??\n", c);
usage();
return 1;
}
}
if (optind < argc) {
if (optind < argc) {
for (; optind < argc; ++optind)
fprintf(stderr, "Unexpected extra argument: %s\n",
argv[optind]);
usage();
return 1;
}
}
if (do_sense ) {
++did_something;
sg_print_sense("desc_sense_data test1", desc_sense_data1,
(int)sizeof(desc_sense_data1), 1);
printf("\n");
#if 1
sg_get_sense_str("sg_get_sense_str(ds_data1)", desc_sense_data1,
sizeof(desc_sense_data1), 1, sizeof(b), b);
printf("sg_get_sense_str: strlen(b)->%zd\n", strlen(b));
printf("%s", b);
printf("\n");
#endif
sg_print_sense("desc_sense_data test2", desc_sense_data2,
(int)sizeof(desc_sense_data2), 1);
printf("\n");
}
if (do_printf) {
++did_something;
printf("Testing my_snprintf():\n");
b[0] = '\0';
len = sizeof(b);
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = -1;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 0;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 1;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 2;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 3;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 4;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 5;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 6;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
b[0] = '\0';
len = 7;
n = my_snprintf(b, len, "%s", "test");
printf("my_snprintf(,%d,,\"test\") -> %d; strlen(b) -> %zd\n",
len, n, strlen(b));
if (strlen(b) > 0)
printf("Resulting string: %s\n", b);
}
if (do_dstrhex) {
char b[] = {0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58};
++did_something;
for (k = 0; k < 18; ++k) {
printf("k=%d:\n", k);
dStrHex(b, k, 0);
dStrHex(b, k, 1);
dStrHex(b, k, -1);
dStrHexStr(b, k, "dStrHexStr:^", 0, sizeof(bb), bb);
printf("%s", bb);
printf("\n");
}
}
if (0 == did_something)
printf("Looks like no tests done, check usage with '-h'\n");
return ret;
}
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