Merge branch 'rs/ring-buffer-wraparound' into maint

diff --git a/Makefile b/Makefile
index d96ecb7141a12f1fe47246805c5d4e4e562a5c86..ddd1bdfc2de8a383f9bd625de6e5c26cb6f62237 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -296,7 +296,13 @@ all::
 # Define USE_NED_ALLOCATOR if you want to replace the platforms default
 # memory allocators with the nedmalloc allocator written by Niall Douglas.
 #
-# Define NO_REGEX if you have no or inferior regex support in your C library.
+# Define OVERRIDE_STRDUP to override the libc version of strdup(3).
+# This is necessary when using a custom allocator in order to avoid
+# crashes due to allocation and free working on different 'heaps'.
+# It's defined automatically if USE_NED_ALLOCATOR is set.
+#
+# Define NO_REGEX if your C library lacks regex support with REG_STARTEND
+# feature.
 #
 # Define HAVE_DEV_TTY if your system can open /dev/tty to interact with the
 # user.
@@ -456,6 +462,7 @@ CURL_CONFIG = curl-config
 PTHREAD_LIBS = -lpthread
 PTHREAD_CFLAGS =
 GCOV = gcov
+SPATCH = spatch
 
 export TCL_PATH TCLTK_PATH
 
@@ -1456,8 +1463,14 @@ ifdef NATIVE_CRLF
 endif
 
 ifdef USE_NED_ALLOCATOR
-       COMPAT_CFLAGS += -Icompat/nedmalloc
-       COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
+       COMPAT_CFLAGS += -Icompat/nedmalloc
+       COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
+       OVERRIDE_STRDUP = YesPlease
+endif
+
+ifdef OVERRIDE_STRDUP
+       COMPAT_CFLAGS += -DOVERRIDE_STRDUP
+       COMPAT_OBJS += compat/strdup.o
 endif
 
 ifdef GIT_TEST_CMP_USE_COPIED_CONTEXT
@@ -2029,7 +2042,7 @@ endif
 
 ifdef USE_NED_ALLOCATOR
 compat/nedmalloc/nedmalloc.sp compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
-       -DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR
+       -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR
 compat/nedmalloc/nedmalloc.sp: SPARSE_FLAGS += -Wno-non-pointer-null
 endif
 
@@ -2296,6 +2309,18 @@ check: common-cmds.h
                exit 1; \
        fi
 
+C_SOURCES = $(patsubst %.o,%.c,$(C_OBJ))
+%.cocci.patch: %.cocci $(C_SOURCES)
+       @echo '    ' SPATCH $<; \
+       for f in $(C_SOURCES); do \
+               $(SPATCH) --sp-file $< $$f; \
+       done >$@ 2>$@.log; \
+       if test -s $@; \
+       then \
+               echo '    ' SPATCH result: $@; \
+       fi
+coccicheck: $(patsubst %.cocci,%.cocci.patch,$(wildcard contrib/coccinelle/*.cocci))
+
 ### Installation rules
 
 ifneq ($(filter /%,$(firstword $(template_dir))),)
@@ -2487,6 +2512,7 @@ clean: profile-clean coverage-clean
        $(RM) -r $(GIT_TARNAME) .doc-tmp-dir
        $(RM) $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
        $(RM) $(htmldocs).tar.gz $(manpages).tar.gz
+       $(RM) contrib/coccinelle/*.cocci.patch*
        $(MAKE) -C Documentation/ clean
 ifndef NO_PERL
        $(MAKE) -C gitweb clean