diff options
| -rw-r--r-- | Makefile | 8 | ||||
| -rw-r--r-- | compat/clipped-write.c | 13 | ||||
| -rw-r--r-- | config.mak.uname | 1 | ||||
| -rw-r--r-- | git-compat-util.h | 5 | ||||
| -rwxr-xr-x | t/t0021-conversion.sh | 14 | ||||
| -rw-r--r-- | wrapper.c | 12 |
6 files changed, 26 insertions, 27 deletions
@@ -69,9 +69,6 @@ all:: # Define NO_MSGFMT_EXTENDED_OPTIONS if your implementation of msgfmt # doesn't support GNU extensions like --check and --statistics # -# Define NEEDS_CLIPPED_WRITE if your write(2) cannot write more than -# INT_MAX bytes at once (e.g. MacOS X). -# # Define HAVE_PATHS_H if you have paths.h and want to use the default PATH # it specifies. # @@ -1499,11 +1496,6 @@ ifndef NO_MSGFMT_EXTENDED_OPTIONS MSGFMT += --check --statistics endif -ifdef NEEDS_CLIPPED_WRITE - BASIC_CFLAGS += -DNEEDS_CLIPPED_WRITE - COMPAT_OBJS += compat/clipped-write.o -endif - ifneq (,$(XDL_FAST_HASH)) BASIC_CFLAGS += -DXDL_FAST_HASH endif diff --git a/compat/clipped-write.c b/compat/clipped-write.c deleted file mode 100644 index b8f98ff77f..0000000000 --- a/compat/clipped-write.c +++ /dev/null @@ -1,13 +0,0 @@ -#include "../git-compat-util.h" -#undef write - -/* - * Version of write that will write at most INT_MAX bytes. - * Workaround a xnu bug on Mac OS X - */ -ssize_t clipped_write(int fildes, const void *buf, size_t nbyte) -{ - if (nbyte > INT_MAX) - nbyte = INT_MAX; - return write(fildes, buf, nbyte); -} diff --git a/config.mak.uname b/config.mak.uname index b27f51d486..7d615314f4 100644 --- a/config.mak.uname +++ b/config.mak.uname @@ -95,7 +95,6 @@ ifeq ($(uname_S),Darwin) NO_MEMMEM = YesPlease USE_ST_TIMESPEC = YesPlease HAVE_DEV_TTY = YesPlease - NEEDS_CLIPPED_WRITE = YesPlease COMPAT_OBJS += compat/precompose_utf8.o BASIC_CFLAGS += -DPRECOMPOSE_UNICODE endif diff --git a/git-compat-util.h b/git-compat-util.h index 8752317fe9..9549de6318 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -185,11 +185,6 @@ typedef unsigned long uintptr_t; #define probe_utf8_pathname_composition(a,b) #endif -#ifdef NEEDS_CLIPPED_WRITE -ssize_t clipped_write(int fildes, const void *buf, size_t nbyte); -#define write(x,y,z) clipped_write((x),(y),(z)) -#endif - #ifdef MKDIR_WO_TRAILING_SLASH #define mkdir(a,b) compat_mkdir_wo_trailing_slash((a),(b)) extern int compat_mkdir_wo_trailing_slash(const char*, mode_t); diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh index e50f0f742f..b92e6cb046 100755 --- a/t/t0021-conversion.sh +++ b/t/t0021-conversion.sh @@ -190,4 +190,18 @@ test_expect_success 'required filter clean failure' ' test_must_fail git add test.fc ' +test -n "$GIT_TEST_LONG" && test_set_prereq EXPENSIVE + +test_expect_success EXPENSIVE 'filter large file' ' + git config filter.largefile.smudge cat && + git config filter.largefile.clean cat && + for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB && + echo "2GB filter=largefile" >.gitattributes && + git add 2GB 2>err && + ! test -s err && + rm -f 2GB && + git checkout -- 2GB 2>err && + ! test -s err +' + test_done @@ -131,6 +131,14 @@ void *xcalloc(size_t nmemb, size_t size) } /* + * Limit size of IO chunks, because huge chunks only cause pain. OS X + * 64-bit is buggy, returning EINVAL if len >= INT_MAX; and even in + * the absense of bugs, large chunks can result in bad latencies when + * you decide to kill the process. + */ +#define MAX_IO_SIZE (8*1024*1024) + +/* * xread() is the same a read(), but it automatically restarts read() * operations with a recoverable error (EAGAIN and EINTR). xread() * DOES NOT GUARANTEE that "len" bytes is read even if the data is available. @@ -138,6 +146,8 @@ void *xcalloc(size_t nmemb, size_t size) ssize_t xread(int fd, void *buf, size_t len) { ssize_t nr; + if (len > MAX_IO_SIZE) + len = MAX_IO_SIZE; while (1) { nr = read(fd, buf, len); if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) @@ -154,6 +164,8 @@ ssize_t xread(int fd, void *buf, size_t len) ssize_t xwrite(int fd, const void *buf, size_t len) { ssize_t nr; + if (len > MAX_IO_SIZE) + len = MAX_IO_SIZE; while (1) { nr = write(fd, buf, len); if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) |