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 |
4 files changed, 27 insertions, 0 deletions
@@ -69,6 +69,9 @@ 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. # @@ -1481,6 +1484,11 @@ 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 (,$(XDL_FAST_HASH)) BASIC_CFLAGS += -DXDL_FAST_HASH endif diff --git a/compat/clipped-write.c b/compat/clipped-write.c new file mode 100644 index 000000000..b8f98ff77 --- /dev/null +++ b/compat/clipped-write.c @@ -0,0 +1,13 @@ +#include "../git-compat-util.h" +#undef write + +/* + * Version of write that will write at most INT_MAX bytes. + * Workaround a xnu bug on Mac OS X + */ +ssize_t clipped_write(int fildes, const void *buf, size_t nbyte) +{ + if (nbyte > INT_MAX) + nbyte = INT_MAX; + return write(fildes, buf, nbyte); +} diff --git a/config.mak.uname b/config.mak.uname index d78fd3df5..174703b67 100644 --- a/config.mak.uname +++ b/config.mak.uname @@ -95,6 +95,7 @@ ifeq ($(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 c1f8a477f..660b7f012 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -185,6 +185,11 @@ int get_st_mode_bits(const char *path, int *mode); #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); |