[xemacs-hg @ 2006-11-01 20:25:48 by adrian] fix for ffap crash on Windows (was: [Bug: 21.5-b27] [CRASH] (file-name-directory "1:")) -------------------- ChangeLog entries follow: -------------------- src/ChangeLog addition: 2006-11-01 Adrian Aichner <adrian@xemacs.org> * sysdep.c (wcslen): Check for NULL pointer. * sysdep.c (strlwr): Ditto. * nt.c (mswindows_getdcwd): Ditto (actual cause of reported crash). * intl-win32.c (wcscmp): Ditto. * intl-win32.c (wcslen): Ditto. * intl-win32.c (wcsncpy): Ditto. * intl-win32.c (wcscpy): Ditto. * intl-win32.c (wcsdup): Ditto. * fileio.c (Ffile_name_directory): Return Qnil when mswindows_getdcwd returns NULL working directory.

/* Synched up with: FSF 19.28. */

#include <sgtty.h>
#include <signal.h>
#define STRLEN 100
static char str[STRLEN+1] = "%?emacs"; /* extra char for the null */

switch_to_proc(){
    char *ptr = str;
    while (*ptr) ioctl(0, TIOCSTI, ptr++);
    ioctl(0, TIOCSTI, "\n");
    kill(getpid(), SIGTSTP);
    }

set_proc_str(ptr) char *ptr; {
    if (strlen(ptr) <= STRLEN)
	strcpy(str, ptr);
    else
	printf("string too long for set-proc-str: %s\n", ptr);
    }