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Diffstat (limited to 'sg_test_rwbuf.c')
-rw-r--r--sg_test_rwbuf.c85
1 files changed, 45 insertions, 40 deletions
diff --git a/sg_test_rwbuf.c b/sg_test_rwbuf.c
index 03cddbbf..5939a0c3 100644
--- a/sg_test_rwbuf.c
+++ b/sg_test_rwbuf.c
@@ -35,7 +35,7 @@
#include "sg_io_linux.h"
-static char * version_str = "1.03 20051220";
+static char * version_str = "1.03 20060623";
#define BPI (signed)(sizeof(int))
@@ -82,7 +82,7 @@ int find_out_about_buffer (int sg_fd)
unsigned char rbBuff[RB_DESC_LEN];
unsigned char sense_buffer[32];
struct sg_io_hdr io_hdr;
- int k;
+ int k, res;
rbCmdBlk[1] = RB_MODE_DESC;
rbCmdBlk[8] = RB_DESC_LEN;
@@ -105,10 +105,11 @@ int find_out_about_buffer (int sg_fd)
}
if (ioctl(sg_fd, SG_IO, &io_hdr) < 0) {
perror(ME "SG_IO READ BUFFER descriptor error");
- return 1;
+ return -1;
}
/* now for the error processing */
- switch (sg_err_category3(&io_hdr)) {
+ res = sg_err_category3(&io_hdr);
+ switch (res) {
case SG_LIB_CAT_RECOVERED:
sg_chk_n_print3("READ BUFFER descriptor, continuing",
&io_hdr, 1);
@@ -117,7 +118,7 @@ int find_out_about_buffer (int sg_fd)
break;
default: /* won't bother decoding other categories */
sg_chk_n_print3("READ BUFFER descriptor error", &io_hdr, 1);
- return 1;
+ return res;
}
buf_capacity = ((rbBuff[1] << 16) | (rbBuff[2] << 8) | rbBuff[3]);
@@ -140,6 +141,7 @@ int mymemcmp (unsigned char *bf1, unsigned char *bf2, int len)
return 0;
}
+/* return 0 if good, else 2222 */
int do_checksum (int *buf, int len, int quiet)
{
int sum = base;
@@ -162,7 +164,7 @@ int do_checksum (int *buf, int len, int quiet)
((unsigned char*)buf)[i+diff]);
printf ("\n");
}
- return 2;
+ return 2222;
}
else {
if (verbose > 1)
@@ -214,7 +216,7 @@ int read_buffer (int sg_fd, unsigned size)
struct sg_io_hdr io_hdr;
if (NULL == rbBuff)
- return 1;
+ return -1;
rbCmdBlk[1] = RWB_MODE_DATA;
rbCmdBlk[6] = 0xff & (bufSize >> 16);
rbCmdBlk[7] = 0xff & (bufSize >> 8);
@@ -240,10 +242,11 @@ int read_buffer (int sg_fd, unsigned size)
if (ioctl(sg_fd, SG_IO, &io_hdr) < 0) {
perror(ME "SG_IO READ BUFFER data error");
free(rbBuff);
- return 1;
+ return -1;
}
/* now for the error processing */
- switch (sg_err_category3(&io_hdr)) {
+ res = sg_err_category3(&io_hdr);
+ switch (res) {
case SG_LIB_CAT_RECOVERED:
sg_chk_n_print3("READ BUFFER data, continuing", &io_hdr, 1);
/* fall through */
@@ -252,7 +255,7 @@ int read_buffer (int sg_fd, unsigned size)
default: /* won't bother decoding other categories */
sg_chk_n_print3("READ BUFFER data error", &io_hdr, 1);
free(rbBuff);
- return 1;
+ return res;
}
res = do_checksum ((int*)rbBuff, size, 0);
@@ -267,10 +270,10 @@ int write_buffer (int sg_fd, unsigned size)
unsigned char * wbBuff = malloc(bufSize);
unsigned char sense_buffer[32];
struct sg_io_hdr io_hdr;
- int k;
+ int k, res;
if (NULL == wbBuff)
- return 1;
+ return -1;
memset(wbBuff, 0, bufSize);
do_fill_buffer ((int*)wbBuff, size);
wbCmdBlk[1] = RWB_MODE_DATA;
@@ -298,10 +301,11 @@ int write_buffer (int sg_fd, unsigned size)
if (ioctl(sg_fd, SG_IO, &io_hdr) < 0) {
perror(ME "SG_IO WRITE BUFFER data error");
free(wbBuff);
- return 1;
+ return -1;
}
/* now for the error processing */
- switch (sg_err_category3(&io_hdr)) {
+ res = sg_err_category3(&io_hdr);
+ switch (res) {
case SG_LIB_CAT_RECOVERED:
sg_chk_n_print3("WRITE BUFFER data, continuing", &io_hdr, 1);
/* fall through */
@@ -310,10 +314,10 @@ int write_buffer (int sg_fd, unsigned size)
default: /* won't bother decoding other categories */
sg_chk_n_print3("WRITE BUFFER data error", &io_hdr, 1);
free(wbBuff);
- return 1;
+ return res;
}
free(wbBuff);
- return 0;
+ return res;
}
void usage ()
@@ -360,7 +364,7 @@ int main (int argc, char * argv[])
device_name[0] = '\0';
while (1) {
int option_index = 0;
- char c;
+ int c;
c = getopt_long(argc, argv, "hqr:s:t:w:vV",
long_options, &option_index);
@@ -378,21 +382,21 @@ int main (int argc, char * argv[])
addread = sg_get_num(optarg);
if (-1 == addread) {
fprintf(stderr, "bad argument to '--addrd'\n");
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
break;
case 's':
size = sg_get_num(optarg);
if (-1 == size) {
fprintf(stderr, "bad argument to '--size'\n");
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
break;
case 't':
times = sg_get_num(optarg);
if (-1 == times) {
fprintf(stderr, "bad argument to '--times'\n");
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
break;
case 'v':
@@ -406,12 +410,12 @@ int main (int argc, char * argv[])
addwrite = sg_get_num(optarg);
if (-1 == addwrite) {
fprintf(stderr, "bad argument to '--addwr'\n");
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
break;
default:
usage();
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
}
if (optind < argc) {
@@ -428,14 +432,14 @@ int main (int argc, char * argv[])
if (-1 == size) {
fprintf(stderr, "bad <sz>\n");
usage();
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
if (++optind < argc) {
addwrite = sg_get_num(argv[optind]);
if (-1 == addwrite) {
fprintf(stderr, "bad [addwr]\n");
usage();
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
if (++optind < argc) {
addread = sg_get_num(argv[optind]);
@@ -443,7 +447,7 @@ int main (int argc, char * argv[])
fprintf(stderr,
"bad [addrd]\n");
usage();
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
}
}
@@ -454,30 +458,29 @@ int main (int argc, char * argv[])
fprintf(stderr, "Unexpected extra argument"
": %s\n", argv[optind]);
usage();
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
}
if ('\0' == device_name[0]) {
fprintf(stderr, "no device name given\n");
usage();
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
if ((size <= 0) && (! do_quick)) {
fprintf(stderr, "must give '--size' or '--quick' options "
"or <sz> argument\n");
usage();
- return 1;
+ return SG_LIB_SYNTAX_ERROR;
}
sg_fd = open(device_name, O_RDWR | O_NONBLOCK);
if (sg_fd < 0) {
perror("sg_test_rwbuf: open error");
- return 1;
+ return SG_LIB_FILE_ERROR;
}
- if (find_out_about_buffer (sg_fd)) {
- ret = 1;
+ ret = find_out_about_buffer(sg_fd);
+ if (ret)
goto err_out;
- }
if (do_quick) {
printf ("READ BUFFER read descriptor reports a buffer "
"of %d bytes [%d KiB]\n", buf_capacity,
@@ -487,19 +490,20 @@ int main (int argc, char * argv[])
if (size > buf_capacity) {
fprintf (stderr, ME "sz=%i > buf_capacity=%i\n",
size, buf_capacity);
- ret = 2;
+ ret = SG_LIB_CAT_OTHER;
goto err_out;
}
cmpbuf = malloc (size);
for (k = 0; k < times; ++k) {
- if (write_buffer (sg_fd, size)) {
- ret = 3;
+ ret = write_buffer (sg_fd, size);
+ if (ret) {
goto err_out;
}
- res = read_buffer (sg_fd, size);
- if (res) {
- ret = res + 4;
+ ret = read_buffer (sg_fd, size);
+ if (ret) {
+ if (2222 == ret)
+ ret = SG_LIB_CAT_MALFORMED;
goto err_out;
}
}
@@ -510,11 +514,12 @@ err_out:
res = close(sg_fd);
if (res < 0) {
perror(ME "close error");
- ret = 6;
+ if (0 == ret)
+ ret = SG_LIB_FILE_ERROR;
}
if ((0 == ret) && (! do_quick))
printf ("Success\n");
else if (times > 1)
printf ("Failed after %d succesful cycles\n", k);
- return ret;
+ return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-23 22:12:29 +0000