summaryrefslogtreecommitdiffstats
path: root/src/libs/libgroff/new.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/libs/libgroff/new.cpp')
-rw-r--r--src/libs/libgroff/new.cpp75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/libs/libgroff/new.cpp b/src/libs/libgroff/new.cpp
new file mode 100644
index 0000000..2af976c
--- /dev/null
+++ b/src/libs/libgroff/new.cpp
@@ -0,0 +1,75 @@
+/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
+ Written by James Clark (jjc@jclark.com)
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include "lib.h"
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "posix.h"
+#include "nonposix.h"
+
+extern "C" const char *program_name;
+
+static void ewrite(const char *s)
+{
+ write(2, s, strlen(s));
+}
+
+void *operator new(size_t size)
+{
+ // Avoid relying on the behaviour of malloc(0).
+ if (size == 0)
+ size++;
+ char *p = (char *)malloc(unsigned(size));
+ if (p == 0) {
+ if (program_name) {
+ ewrite(program_name);
+ ewrite(": ");
+ }
+ ewrite("out of memory\n");
+ _exit(-1);
+ }
+ return p;
+}
+
+void operator delete(void *p) throw()
+{
+ if (p)
+ free(p);
+}
+
+void operator delete(void *p,
+ __attribute__((__unused__)) long unsigned int size)
+{
+ // It's ugly to duplicate the code from delete(void *) above, but if
+ // we don't, g++ 6.3 can't figure out we're calling through it to
+ // free().
+ //
+ // In function 'void operator delete(void*, long unsigned int)':
+ // warning: deleting 'void*' is undefined [-Wdelete-incomplete]
+ //delete p;
+ if (p)
+ free(p);
+}
+
+// Local Variables:
+// fill-column: 72
+// mode: C++
+// End:
+// vim: set cindent noexpandtab shiftwidth=2 textwidth=72: