[patch] sandbox-use-own-malloc.patch

sandbox-use-own-malloc.patch (text/plain), 2.33 KB, created by Ed Catmur on 2007-01-31 06:00:49 UTC

--- src/Makefile.am	2007/01/29 04:34:05	1.1
+++ src/Makefile.am	2007/01/30 15:23:08
@@ -2,6 +2,8 @@ AUTOMAKE_OPTIONS = foreign
 
 lib_LTLIBRARIES = libsandbox.la
 bin_PROGRAMS = sandbox
+noinst_LTLIBRARIES = libptmalloc3.la \
+	libmalloc.la
 
 AM_CPPFLAGS = \
 	-DPIC -fPIC -D_REENTRANT  \
@@ -11,12 +13,32 @@ AM_CPPFLAGS = \
 
 LOCAL_INCLUDES = $(top_srcdir)/localdecls.h
 
+libmalloc_la_SOURCES = malloc.c
+libmalloc_la_CPPFLAGS = -D_GNU_SOURCE \
+	-DHAVE_MORECORE=0 \
+	-DONLY_MSPACES -DUSE_LOCKS=0
+libptmalloc3_la_SOURCES = ptmalloc3.c \
+	malloc-2.8.3.h \
+	malloc-private.h \
+	sysdeps/pthread/malloc-machine.h \
+	sysdeps/pthread/thread-st.h \
+	sysdeps/generic/malloc-machine.h \
+	sysdeps/generic/atomic.h \
+	sysdeps/generic/thread-st.h
+libptmalloc3_la_CPPFLAGS = -D_GNU_SOURCE \
+	-DMSPACES=1 \
+	-DUSE_TSD_DATA_HACK -DTHREAD_STATS=1 \
+	-Isysdeps/pthread -Isysdeps/generic
+libptmalloc3_la_LIBADD = -lpthread \
+	libmalloc.la
+
 # We need -fexceptions here, else we do not catch exceptions
 # (nptl/tst-cancelx4.c in glibc among others fails for wrapped functions).
 libsandbox_la_CFLAGS = -fexceptions
 # Do not add -nostdlib or -nostartfiles, as then our constructor
 # and destructor will not be executed ...
-libsandbox_la_LIBADD = -lc $(LIBDL)
+libsandbox_la_LIBADD = libptmalloc3.la \
+	-lc $(LIBDL)
 libsandbox_la_LDFLAGS = \
 	-nodefaultlibs \
 	-Wl,--version-script,libsandbox.map
@@ -32,6 +54,7 @@ sandbox_SOURCES = \
 	sandbox.h         \
 	sandbox_utils.c   \
 	$(LOCAL_INCLUDES)
+sandbox_LDADD = libptmalloc3.la
 
 libsandbox.c: libsandbox.map symbols.h
 
--- src/sandbox_utils.c	2007/01/29 03:13:46	1.1
+++ src/sandbox_utils.c	2007/01/30 16:13:45
@@ -175,7 +175,7 @@ char * gstrndup (const char *str, size_t
 		return NULL;
 
 	/* Check lenght of str without breaching the size limit */
-	for (len = 0; (len < size) && ('\0' != str[len]); len++);
+	for (len = 0; (size == -1 || len < size) && ('\0' != str[len]); len++);
 
 	new_str = malloc (len + 1);
 	if (NULL == new_str)
--- src/sandbox.h	2007/01/30 16:12:19	1.1
+++ src/sandbox.h	2007/01/30 16:14:39
@@ -103,6 +103,10 @@ long file_length(int fd);
 
 /* Compat functions for GNU extensions */
 char *gstrndup (const char *str, size_t size);
+#ifdef strdup
+#undef strdup
+#endif
+#define strdup(s) gstrndup((s), -1)
 /* Same as basename(3), but do not modify path */
 char *gbasename (const char *path);