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compat (errno): Adds cross-platform compatibility for errno values. #3311

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compat (errno): Adds cross-platform compatibility for errno values. #3311

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ceeda8d
compat (errno): Adds cross-platform compatibility for errno values.
brgoing May 13, 2026
c03da86
compat (errno): Removes usage of non-portable ENAVAIL.
brgoing May 13, 2026
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11 changes: 11 additions & 0 deletions libnvme/src/nvme/util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,17 @@
#define LINE_MAX 2048
#endif

/* Some error codes aren't defined on all platforms. Use best equivalents. */
#ifndef EREMOTEIO
#define EREMOTEIO ENXIO
#endif
#ifndef EDQUOT
#define EDQUOT ENOSPC
#endif
#ifndef ERESTART
#define ERESTART EAGAIN
#endif

/* Source Code Control System, query version of binary with 'what' */
const char sccsid[] = "@(#)libnvme " GIT_VERSION;

Expand Down
10 changes: 5 additions & 5 deletions nvme.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7466,7 +7466,7 @@ static int get_pi_info(struct libnvme_transport_handle *hdl,
* Keep the I/O commands behavior same as before.
* Since the error returned by drives unsupported.
*/
return -ENAVAIL;
return NVME_SC_INVALID_FIELD;

pi_size = (pif == NVME_NVM_PIF_16B_GUARD) ? 8 : 16;
if (NVME_FLBAS_META_EXT(ns->flbas)) {
Expand Down Expand Up @@ -7521,7 +7521,7 @@ static int init_pi_tags(struct libnvme_transport_handle *hdl,
* Keep the I/O commands behavior same as before.
* Since the error returned by drives unsupported.
*/
return -ENAVAIL;
return NVME_SC_INVALID_FIELD;

if (invalid_tags(lbst, ilbrt, sts, pif))
return -EINVAL;
Expand Down Expand Up @@ -7637,7 +7637,7 @@ static int write_zeroes(int argc, char **argv,

err = init_pi_tags(hdl, &cmd, cfg.nsid, cfg.ilbrt, cfg.lbst, cfg.lbat,
cfg.lbatm);
if (err && err != -ENAVAIL)
if (err && err != NVME_SC_INVALID_FIELD)
return err;

err = libnvme_exec_io_passthru(hdl, &cmd);
Expand Down Expand Up @@ -7980,7 +7980,7 @@ static int copy_cmd(int argc, char **argv, struct command *acmd, struct plugin *
cfg.fua, cfg.lr, 0, cfg.dspec, copy->f0);
err = init_pi_tags(hdl, &cmd, cfg.nsid, cfg.ilbrt, cfg.lbst, cfg.lbat,
cfg.lbatm);
if (err != 0 && err != -ENAVAIL)
if (err != 0 && err != NVME_SC_INVALID_FIELD)
return err;
err = libnvme_exec_io_passthru(hdl, &cmd);
if (err) {
Expand Down Expand Up @@ -8819,7 +8819,7 @@ static int verify_cmd(int argc, char **argv, struct command *acmd, struct plugin
cfg.block_count, control, 0, NULL, 0, NULL, 0);
err = init_pi_tags(hdl, &cmd, cfg.nsid, cfg.ilbrt, cfg.lbst,
cfg.lbat, cfg.lbatm);
if (err != 0 && err != -ENAVAIL)
if (err != 0 && err != NVME_SC_INVALID_FIELD)
return err;
err = libnvme_exec_io_passthru(hdl, &cmd);
if (err) {
Expand Down
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