vCalendar plugin: use external libical

[claws.git] / src / plugins / vcalendar / libical / libical / vsnprintf.c

diff --git a/src/plugins/vcalendar/libical/libical/vsnprintf.c b/src/plugins/vcalendar/libical/libical/vsnprintf.c
deleted file mode 100644 (file)
index 6339183..0000000
--- a/src/plugins/vcalendar/libical/libical/vsnprintf.c
+++ /dev/null
@@ -1,167 +0,0 @@
-#ifdef __osf__
-/*
- * Revision 12: http://theos.com/~deraadt/snprintf.c
- *
- * Copyright (c) 1997 Theo de Raadt
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <signal.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#if __STDC__
-#include <stdarg.h>
-#include <stdlib.h>
-#else
-#include <varargs.h>
-#endif
-#include <setjmp.h>
-
-#ifndef roundup
-#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
-#endif
-
-static int pgsize;
-static char *curobj;
-static sigjmp_buf bail;
-
-#define EXTRABYTES     2       /* XXX: why 2? you don't want to know */
-
-static char *
-msetup(str, n)
-       char *str;
-       size_t n;
-{
-       char *e;
-
-       if (n == 0)
-               return NULL;
-       if (pgsize == 0)
-               pgsize = getpagesize();
-       curobj = (char *)malloc(n + EXTRABYTES + pgsize * 2);
-       if (curobj == NULL)
-               return NULL;
-       e = curobj + n + EXTRABYTES;
-       e = (char *)roundup((unsigned long)e, pgsize);
-       if (mprotect(e, pgsize, PROT_NONE) == -1) {
-               free(curobj);
-               curobj = NULL;
-               return NULL;
-       }
-       e = e - n - EXTRABYTES;
-       *e = '\0';
-       return (e);
-}
-
-static void
-mcatch(int i)
-{
-       siglongjmp(bail, 1);
-}
-
-static void
-mcleanup(str, n, p)
-       char *str;
-       size_t n;
-       char *p;
-{
-       strncpy(str, p, n-1);
-       str[n-1] = '\0';
-       if (mprotect((caddr_t)(p + n + EXTRABYTES), pgsize,
-           PROT_READ|PROT_WRITE|PROT_EXEC) == -1)
-               mprotect((caddr_t)(p + n + EXTRABYTES), pgsize,
-                   PROT_READ|PROT_WRITE);
-       free(curobj);
-}
-
-int
-#if __STDC__
-vsnprintf(char *str, size_t n, char const *fmt, va_list ap)
-#else
-vsnprintf(str, n, fmt, ap)
-       char *str;
-       size_t n;
-       char *fmt;
-       char *ap;
-#endif
-{
-       struct sigaction osa, nsa;
-       char *p;
-       int ret = n + 1;        /* if we bail, indicated we overflowed */
-
-       memset(&nsa, 0, sizeof nsa);
-       nsa.sa_handler = mcatch;
-       sigemptyset(&nsa.sa_mask);
-
-       p = msetup(str, n);
-       if (p == NULL) {
-               *str = '\0';
-               return 0;
-       }
-       if (sigsetjmp(bail, 1) == 0) {
-               if (sigaction(SIGSEGV, &nsa, &osa) == -1) {
-                       mcleanup(str, n, p);
-                       return (0);
-               }
-               ret = vsprintf(p, fmt, ap);
-       }
-       mcleanup(str, n, p);
-       (void) sigaction(SIGSEGV, &osa, NULL);
-       return (ret);
-}
-
-int
-#if __STDC__
-snprintf(char *str, size_t n, char const *fmt, ...)
-#else
-snprintf(str, n, fmt, va_alist)
-       char *str;
-       size_t n;
-       char *fmt;
-       va_dcl
-#endif
-{
-       va_list ap;
-#if __STDC__
-       va_start(ap, fmt);
-#else
-       va_start(ap);
-#endif
-
-       return (vsnprintf(str, n, fmt, ap));
-       va_end(ap);
-}
-
-
-#else
-
-/* ANSI C forbids an empty source file... */
-
-static void vsnprintf_dummy_func() {
-   vsnprintf_dummy_func();
-}
-
-#endif