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TAPE: Fix potential Coverity complaints

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This commit is contained in:
Mark Pizzolato 2019-04-01 15:06:25 -07:00
parent de829e52e9
commit 2ba50a3f70
1 changed files with 15 additions and 15 deletions
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30
sim_tape.c
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@ -874,10 +874,10 @@ else switch (f) { /* otherwise the read me
break;
}
sim_fread (&rev_lnt, /* get the reverse length */
sizeof (t_mtrlnt),
1,
uptr->fileref);
(void)sim_fread (&rev_lnt, /* get the reverse length */
sizeof (t_mtrlnt),
1,
uptr->fileref);
if (ferror (uptr->fileref)) { /* if a file I/O error occurred */
status = sim_tape_ioerr (uptr); /* report the error and quit */
@ -896,7 +896,7 @@ else switch (f) { /* otherwise the read me
break; /* otherwise the operation succeeded */
case MTUF_F_TPC:
sim_fread (&tpcbc, sizeof (t_tpclnt), 1, uptr->fileref);
(void)sim_fread (&tpcbc, sizeof (t_tpclnt), 1, uptr->fileref);
*bc = tpcbc; /* save rec lnt */
if (ferror (uptr->fileref)) { /* error? */
@ -922,7 +922,7 @@ else switch (f) { /* otherwise the read me
case MTUF_F_P7B:
for (sbc = 0, all_eof = 1; ; sbc++) { /* loop thru record */
sim_fread (&c, sizeof (uint8), 1, uptr->fileref);
(void)sim_fread (&c, sizeof (uint8), 1, uptr->fileref);
if (ferror (uptr->fileref)) { /* error? */
MT_SET_PNU (uptr); /* pos not upd */
@ -1476,9 +1476,9 @@ switch (f) { /* case on format */
sbc = MTR_L ((bc + 1) & ~1); /* pad odd length */
/* fall through into the E11 handler */
case MTUF_F_E11: /* E11 */
sim_fwrite (&bc, sizeof (t_mtrlnt), 1, uptr->fileref);
sim_fwrite (buf, sizeof (uint8), sbc, uptr->fileref);
sim_fwrite (&bc, sizeof (t_mtrlnt), 1, uptr->fileref);
(void)sim_fwrite (&bc, sizeof (t_mtrlnt), 1, uptr->fileref);
(void)sim_fwrite (buf, sizeof (uint8), sbc, uptr->fileref);
(void)sim_fwrite (&bc, sizeof (t_mtrlnt), 1, uptr->fileref);
if (ferror (uptr->fileref)) { /* error? */
MT_SET_PNU (uptr);
return sim_tape_ioerr (uptr);
@ -1488,8 +1488,8 @@ switch (f) { /* case on format */
case MTUF_F_P7B: /* Pierce 7B */
buf[0] = buf[0] | P7B_SOR; /* mark start of rec */
sim_fwrite (buf, sizeof (uint8), sbc, uptr->fileref);
sim_fwrite (buf, sizeof (uint8), 1, uptr->fileref); /* delimit rec */
(void)sim_fwrite (buf, sizeof (uint8), sbc, uptr->fileref);
(void)sim_fwrite (buf, sizeof (uint8), 1, uptr->fileref); /* delimit rec */
if (ferror (uptr->fileref)) { /* error? */
MT_SET_PNU (uptr);
return sim_tape_ioerr (uptr);
@ -1542,15 +1542,15 @@ if (sim_fseek (uptr->fileref, uptr->pos, SEEK_SET)) /* set pos */
replacing_record = (awshdr.nxtlen == (t_awslnt)bc) && (awshdr.rectyp == (bc ? AWS_REC : AWS_TMK));
awshdr.nxtlen = (t_awslnt)bc;
awshdr.rectyp = (bc) ? AWS_REC : AWS_TMK;
sim_fwrite (&awshdr, sizeof (t_awslnt), 3, uptr->fileref);
(void)sim_fwrite (&awshdr, sizeof (t_awslnt), 3, uptr->fileref);
if (bc)
sim_fwrite (buf, sizeof (uint8), bc, uptr->fileref);
(void)sim_fwrite (buf, sizeof (uint8), bc, uptr->fileref);
uptr->pos += sizeof (awshdr) + bc;
if ((!replacing_record) || (bc == 0)) {
awshdr.prelen = bc;
awshdr.nxtlen = 0;
awshdr.rectyp = AWS_TMK;
sim_fwrite (&awshdr, sizeof (t_awslnt), 3, uptr->fileref);
(void)sim_fwrite (&awshdr, sizeof (t_awslnt), 3, uptr->fileref);
if (!replacing_record)
sim_set_fsize (uptr->fileref, uptr->pos + sizeof (awshdr));
}
@ -1571,7 +1571,7 @@ if (ctx == NULL) /* if not properly attac
if (sim_tape_wrp (uptr)) /* write prot? */
return MTSE_WRP;
(void)sim_fseek (uptr->fileref, uptr->pos, SEEK_SET); /* set pos */
sim_fwrite (&dat, sizeof (t_mtrlnt), 1, uptr->fileref);
(void)sim_fwrite (&dat, sizeof (t_mtrlnt), 1, uptr->fileref);
if (ferror (uptr->fileref)) { /* error? */
MT_SET_PNU (uptr);
return sim_tape_ioerr (uptr);