diff options
Diffstat (limited to 'xdiff-interface.h')
-rw-r--r-- | xdiff-interface.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/xdiff-interface.h b/xdiff-interface.h index eff7762ee1..fbb5a1c394 100644 --- a/xdiff-interface.h +++ b/xdiff-interface.h @@ -3,6 +3,13 @@ #include "xdiff/xdiff.h" +/* + * xdiff isn't equipped to handle content over a gigabyte; + * we make the cutoff 1GB - 1MB to give some breathing + * room for constant-sized additions (e.g., merge markers) + */ +#define MAX_XDIFF_SIZE (1024UL * 1024 * 1023) + typedef void (*xdiff_emit_consume_fn)(void *, char *, unsigned long); int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb); |