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Improve handling of _getshort and _getlong.

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If the system native ones are exactly as required then use them,
otherwise use the local versions mapped to another name to prevent
name collisions.
This commit is contained in:
Darren Tucker 2022-02-25 19:47:48 +11:00
parent 8e206e0dd6
commit 0132056efa
1 changed files with 9 additions and 8 deletions
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17
openbsd-compat/getrrsetbyname.c
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@ -109,11 +109,18 @@ struct __res_state _res;
}
#endif
/*
* If the system doesn't have _getshort/_getlong or that are not exactly what
* we need then use local replacements, avoiding name collisions.
*/
#if !defined(HAVE__GETSHORT) || !defined(HAVE__GETLONG) || \
!defined(HAVE_DECL__GETSHORT) || HAVE_DECL__GETSHORT == 0 || \
!defined(HAVE_DECL__GETLONG) || HAVE_DECL__GETLONG == 0
#define _getshort(x) (_ssh_compat_getshort(x))
#define _getlong(x) (_ssh_compat_getlong(x))
/*
* Routines to insert/extract short/long's.
*/
#ifndef HAVE__GETSHORT
static u_int16_t
_getshort(const u_char *msgp)
{
@ -122,11 +129,7 @@ _getshort(const u_char *msgp)
GETSHORT(u, msgp);
return (u);
}
#elif defined(HAVE_DECL__GETSHORT) && (HAVE_DECL__GETSHORT == 0)
u_int16_t _getshort(const u_char *);
#endif
#ifndef HAVE__GETLONG
static u_int32_t
_getlong(const u_char *msgp)
{
@ -135,8 +138,6 @@ _getlong(const u_char *msgp)
GETLONG(u, msgp);
return (u);
}
#elif defined(HAVE_DECL__GETLONG) && (HAVE_DECL__GETLONG == 0)
u_int32_t _getlong(const u_char *);
#endif
/* ************** */