From 3744281b9ae8aa0ab86ceaee1afe8a603e3aeb2c Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 19 Nov 2012 10:16:38 +0100 Subject: dos -> unix --- libX11/src/PeekIfEv.c | 156 +++++++++++++++++++++++++------------------------- 1 file changed, 78 insertions(+), 78 deletions(-) (limited to 'libX11/src/PeekIfEv.c') diff --git a/libX11/src/PeekIfEv.c b/libX11/src/PeekIfEv.c index c60995824..207cd1191 100644 --- a/libX11/src/PeekIfEv.c +++ b/libX11/src/PeekIfEv.c @@ -1,78 +1,78 @@ -/* - -Copyright 1986, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include -#endif -#include "Xlibint.h" - -/* - * return the next event in the queue that satisfies the predicate. - * BUT do not remove it from the queue. - * If none found, flush, and then wait until one satisfies the predicate. - */ - -int -XPeekIfEvent ( - register Display *dpy, - register XEvent *event, - Bool (*predicate)( - Display* /* display */, - XEvent* /* event */, - char* /* arg */ - ), - char *arg) -{ - register _XQEvent *prev, *qelt; - unsigned long qe_serial = 0; - - LockDisplay(dpy); - prev = NULL; - while (1) { - for (qelt = prev ? prev->next : dpy->head; - qelt; - prev = qelt, qelt = qelt->next) { - if(qelt->qserial_num > qe_serial - && (*predicate)(dpy, &qelt->event, arg)) { - XEvent copy; - *event = qelt->event; - if (_XCopyEventCookie(dpy, &event->xcookie, ©.xcookie)) { - _XStoreEventCookie(dpy, ©); - *event = copy; - } - UnlockDisplay(dpy); - return 0; - } - } - if (prev) - qe_serial = prev->qserial_num; - _XReadEvents(dpy); - if (prev && prev->qserial_num != qe_serial) - /* another thread has snatched this event */ - prev = NULL; - } -} - +/* + +Copyright 1986, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include "Xlibint.h" + +/* + * return the next event in the queue that satisfies the predicate. + * BUT do not remove it from the queue. + * If none found, flush, and then wait until one satisfies the predicate. + */ + +int +XPeekIfEvent ( + register Display *dpy, + register XEvent *event, + Bool (*predicate)( + Display* /* display */, + XEvent* /* event */, + char* /* arg */ + ), + char *arg) +{ + register _XQEvent *prev, *qelt; + unsigned long qe_serial = 0; + + LockDisplay(dpy); + prev = NULL; + while (1) { + for (qelt = prev ? prev->next : dpy->head; + qelt; + prev = qelt, qelt = qelt->next) { + if(qelt->qserial_num > qe_serial + && (*predicate)(dpy, &qelt->event, arg)) { + XEvent copy; + *event = qelt->event; + if (_XCopyEventCookie(dpy, &event->xcookie, ©.xcookie)) { + _XStoreEventCookie(dpy, ©); + *event = copy; + } + UnlockDisplay(dpy); + return 0; + } + } + if (prev) + qe_serial = prev->qserial_num; + _XReadEvents(dpy); + if (prev && prev->qserial_num != qe_serial) + /* another thread has snatched this event */ + prev = NULL; + } +} + -- cgit v1.2.3