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Diffstat (limited to 'libXmu/src/Initer.c')
-rw-r--r-- | libXmu/src/Initer.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/libXmu/src/Initer.c b/libXmu/src/Initer.c new file mode 100644 index 000000000..f18492f69 --- /dev/null +++ b/libXmu/src/Initer.c @@ -0,0 +1,117 @@ +/* $Xorg: Initer.c,v 1.4 2001/02/09 02:03:52 xorgcvs Exp $ */ + +/* + +Copyright 1988, 1989, 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. + +*/ +/* $XFree86: xc/lib/Xmu/Initer.c,v 1.6 2001/01/17 19:42:56 dawes Exp $ */ + +/* Created By: Chris D. Peterson + * MIT X Consortium + * Date: May 8, 1989 + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/Intrinsic.h> +#include <X11/Xmu/Initer.h> + +struct InitializerList { + XmuInitializerProc function; /* function to call */ + XPointer data; /* Data to pass the function. */ + XtAppContext * app_con_list; /* a null terminated list of app_contexts. */ +}; + +/* + * Prototypes + */ +static Bool AddToAppconList(XtAppContext**, XtAppContext); + +static struct InitializerList * init_list = NULL; +static Cardinal init_list_length = 0; + +void +XmuAddInitializer(XmuInitializerProc func, XPointer data) +{ + init_list_length++; + init_list = (struct InitializerList *) XtRealloc( (char *) init_list, + (sizeof(struct InitializerList) * + init_list_length) ); + + init_list[init_list_length - 1].function = func; + init_list[init_list_length - 1].data = data; + init_list[init_list_length - 1].app_con_list = NULL; +} + +void +XmuCallInitializers(XtAppContext app_con) +{ + unsigned i; + + for (i = 0 ; i < init_list_length ; i++) { + if (AddToAppconList(&(init_list[i].app_con_list), app_con)) + (init_list[i].function) (app_con, init_list[i].data); + } +} + +/* + * Function: + * AddToAppconList + * + * Parameters: + * app_list - NULL terminated list of application contexts + * app_con - application context to test + * + * Description: + * Adds an action to the application context list and + * returns True, if this app_con is already on the list then + * it is NOT added and False is returned. + * + * Returns: + * True if not found, False if found + */ +static Bool +AddToAppconList(XtAppContext **app_list, XtAppContext app_con) +{ + int i; + XtAppContext *local_list; + + i = 0; + local_list = *app_list; + if (*app_list != NULL) { + for ( ; *local_list != NULL ; i++, local_list++) { + if (*local_list == app_con) + return (False); + } + } + + *app_list = (XtAppContext *) XtRealloc((char *)(*app_list), + sizeof(XtAppContext *) * (i + 2) ); + (*app_list)[i++] = app_con; + (*app_list)[i] = NULL; + + return (True); +} + |