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Cygwin: avoid GCC 8.3 errors with -Werror=class-memaccess

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This commit is contained in:
Ken Brown
2019-07-15 14:22:07 -04:00
parent bae987be12
commit f0cf44dc7d
4 changed files with 6 additions and 6 deletions
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2
winsup/cygwin/flock.cc
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@@ -1736,7 +1736,7 @@ lf_split (lockf_t *lock1, lockf_t *lock2, lockf_t **split)
splitlock = *split; splitlock = *split;
assert (splitlock != NULL); assert (splitlock != NULL);
*split = splitlock->lf_next; *split = splitlock->lf_next;
memcpy (splitlock, lock1, sizeof *splitlock); memcpy ((void *) splitlock, lock1, sizeof *splitlock);
/* We have to unset the obj HANDLE here which has been copied by the /* We have to unset the obj HANDLE here which has been copied by the
above memcpy, so that the calling function recognizes the new object. above memcpy, so that the calling function recognizes the new object.
See post-lf_split handling in lf_setlock and lf_clearlock. */ See post-lf_split handling in lf_setlock and lf_clearlock. */

4
winsup/cygwin/path.cc
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@@ -1299,7 +1299,7 @@ path_conv::serialize (HANDLE h, unsigned int &n) const
n = 0; n = 0;
return NULL; return NULL;
} }
memcpy (&pcf->pc, this, sizeof *this); memcpy ((void *) &pcf->pc, this, sizeof *this);
pcf->hdl = h; pcf->hdl = h;
pcf->name_len = nlen; pcf->name_len = nlen;
pcf->posix_len = plen; pcf->posix_len = plen;
@@ -1318,7 +1318,7 @@ path_conv::deserialize (void *bufp)
char *p; char *p;
HANDLE ret; HANDLE ret;
memcpy (this, &pcf->pc, sizeof *this); memcpy ((void *) this, &pcf->pc, sizeof *this);
wide_path = uni_path.Buffer = NULL; wide_path = uni_path.Buffer = NULL;
uni_path.MaximumLength = uni_path.Length = 0; uni_path.MaximumLength = uni_path.Length = 0;
path = posix_path = NULL; path = posix_path = NULL;

2
winsup/cygwin/path.h
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@@ -313,7 +313,7 @@ class path_conv
path_conv& eq_worker (const path_conv& pc, const char *in_path) path_conv& eq_worker (const path_conv& pc, const char *in_path)
{ {
free_strings (); free_strings ();
memcpy (this, &pc, sizeof pc); memcpy ((void *) this, &pc, sizeof pc);
/* The device info might contain pointers to allocated strings, in /* The device info might contain pointers to allocated strings, in
contrast to statically allocated strings. Calling device::dup() contrast to statically allocated strings. Calling device::dup()
will duplicate the string if the source was allocated. */ will duplicate the string if the source was allocated. */

4
winsup/cygwin/pinfo.cc
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@@ -1418,12 +1418,12 @@ winpids::add (DWORD& nelem, bool winpid, DWORD pid)
{ {
npidlist += slop_pidlist; npidlist += slop_pidlist;
pidlist = (DWORD *) realloc (pidlist, size_pidlist (npidlist + 1)); pidlist = (DWORD *) realloc (pidlist, size_pidlist (npidlist + 1));
pinfolist = (pinfo *) realloc (pinfolist, size_pinfolist (npidlist + 1)); pinfolist = (pinfo *) realloc ((void *) pinfolist, size_pinfolist (npidlist + 1));
} }
_onreturn onreturn; _onreturn onreturn;
pinfo& p = pinfolist[nelem]; pinfo& p = pinfolist[nelem];
memset (&p, 0, sizeof (p)); memset ((void *) &p, 0, sizeof (p));
bool perform_copy; bool perform_copy;
if (cygpid == myself->pid) if (cygpid == myself->pid)