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fixed the strerror_r issue arising for implementation difference
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hyung-hwan
2024-02-16 08:39:33 +09:00
parent bd8bf36485
commit dc8f0102a8
2 changed files with 18 additions and 4 deletions
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15
lib/std.c
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@ -906,7 +906,18 @@ static hcl_errnum_t _syserrstrb (hcl_t* hcl, int syserr_type, int syserr_code, h
#if defined(_WIN32) && defined(__STDC_WANT_SECURE_LIB__)
if (buf) strerror_s (buf, len, syserr_code);
#elif defined(HAVE_STRERROR_R)
if (buf) strerror_r (syserr_code, buf, len);
if (buf)
{
/* to work around mess between XSI and GNU strerror_r */
hcl_oow_t x;
if (len > 0) buf[0] = '\0';
/* cast to hcl_oow_t to cater for prototype difference.
* one returning int, the other returning a pointer.
* x > 1024 in case the XSI version before glibc 2.13 returns
* a positive error code upon failure */
x = (hcl_oow_t)strerror_r(syserr_code, buf, len);
if (len > 0 && buf[0] == '\0' && x != 0 && x > 1024 && x != (hcl_oow_t)-1) hcl_copy_bcstr (buf, len, x);
}
#else
/* this may be thread unsafe */
if (buf) hcl_copy_bcstr (buf, len, strerror(syserr_code));
@ -3663,7 +3674,7 @@ static HCL_INLINE int open_udo_stream (hcl_t* hcl, hcl_io_udoarg_t* arg)
if (!fp)
{
if (xtn->udo_path)
hcl_seterrbfmtwithsyserr (hcl, 0, errno, "unable to open udp stream '%hs'", xtn->udo_path);
hcl_seterrbfmtwithsyserr (hcl, 0, errno, "unable to open udo stream '%hs'", xtn->udo_path);
else
hcl_seterrbfmtwithsyserr (hcl, 0, errno, "unable to open udo stream", xtn->udo_path);
return -1;