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-rw-r--r--xdiff/xdiff.h1
-rw-r--r--xdiff/xemit.c3
-rw-r--r--xdiff/xutils.c6
3 files changed, 7 insertions, 3 deletions
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index d238c8263..4da052a3f 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -85,6 +85,7 @@ typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long
typedef struct s_xdemitconf {
long ctxlen;
+ long interhunkctxlen;
unsigned long flags;
find_func_t find_func;
void *find_func_priv;
diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 4625c1b42..05bfa41f1 100644
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -59,9 +59,10 @@ static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t *
*/
xdchange_t *xdl_get_hunk(xdchange_t *xscr, xdemitconf_t const *xecfg) {
xdchange_t *xch, *xchp;
+ long max_common = 2 * xecfg->ctxlen + xecfg->interhunkctxlen;
for (xchp = xscr, xch = xscr->next; xch; xchp = xch, xch = xch->next)
- if (xch->i1 - (xchp->i1 + xchp->chg1) > 2 * xecfg->ctxlen)
+ if (xch->i1 - (xchp->i1 + xchp->chg1) > max_common)
break;
return xchp;
diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index d7974d1a3..04ad46870 100644
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -245,12 +245,14 @@ static unsigned long xdl_hash_record_with_whitespace(char const **data,
while (ptr + 1 < top && isspace(ptr[1])
&& ptr[1] != '\n')
ptr++;
- if (flags & XDF_IGNORE_WHITESPACE_CHANGE
+ if (flags & XDF_IGNORE_WHITESPACE)
+ ; /* already handled */
+ else if (flags & XDF_IGNORE_WHITESPACE_CHANGE
&& ptr[1] != '\n') {
ha += (ha << 5);
ha ^= (unsigned long) ' ';
}
- if (flags & XDF_IGNORE_WHITESPACE_AT_EOL
+ else if (flags & XDF_IGNORE_WHITESPACE_AT_EOL
&& ptr[1] != '\n') {
while (ptr2 != ptr + 1) {
ha += (ha << 5);