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mach: Fix __xpg_strerror_r on in-range but undefined errors [BZ #32350]

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For instance, 1073741906 leads to system 16, subsystem 0 and code 82,
which is in range (max_code is 122), but not defined. Return EINVAL in
that case, like
This commit is contained in:
Samuel Thibault 2024-11-09 19:54:08 +01:00
parent 6754b5becf
commit d2e65aa7d6
1 changed files with 12 additions and 2 deletions
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14
sysdeps/mach/xpg-strerror.c
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@ -62,9 +62,19 @@ __xpg_strerror_r (int errnum, char *buf, size_t buflen)
if (sub >= es->max_sub) if (sub >= es->max_sub)
estr = (const char *) es->bad_sub; estr = (const char *) es->bad_sub;
else if (code >= es->subsystem[sub].max_code) else if (code >= es->subsystem[sub].max_code)
return EINVAL; {
__snprintf (buf, buflen, "%s%d", _("Unknown error code: "), code);
return EINVAL;
}
else else
estr = (const char *) _(es->subsystem[sub].codes[code]); {
estr = (const char *) _(es->subsystem[sub].codes[code]);
if (estr == NULL)
{
__snprintf (buf, buflen, "%s%d", _("Unknown error code: "), code);
return EINVAL;
}
}
size_t estrlen = strlen (estr); size_t estrlen = strlen (estr);