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-rw-r--r--xdiff-interface.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/xdiff-interface.c b/xdiff-interface.c
index cb67c1c42b..f34ea762e4 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -100,9 +100,9 @@ static int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf)
/*
* Trim down common substring at the end of the buffers,
- * but leave at least ctx lines at the end.
+ * but end on a complete line.
*/
-static void trim_common_tail(mmfile_t *a, mmfile_t *b, long ctx)
+static void trim_common_tail(mmfile_t *a, mmfile_t *b)
{
const int blk = 1024;
long trimmed = 0, recovered = 0;
@@ -110,9 +110,6 @@ static void trim_common_tail(mmfile_t *a, mmfile_t *b, long ctx)
char *bp = b->ptr + b->size;
long smaller = (a->size < b->size) ? a->size : b->size;
- if (ctx)
- return;
-
while (blk + trimmed <= smaller && !memcmp(ap - blk, bp - blk, blk)) {
trimmed += blk;
ap -= blk;
@@ -134,7 +131,8 @@ int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t co
if (mf1->size > MAX_XDIFF_SIZE || mf2->size > MAX_XDIFF_SIZE)
return -1;
- trim_common_tail(&a, &b, xecfg->ctxlen);
+ if (!xecfg->ctxlen && !(xecfg->flags & XDL_EMIT_FUNCCONTEXT))
+ trim_common_tail(&a, &b);
return xdl_diff(&a, &b, xpp, xecfg, xecb);
}
@@ -265,7 +263,7 @@ void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value, int cflags)
for (i = 0, regs->nr = 1; value[i]; i++)
if (value[i] == '\n')
regs->nr++;
- regs->array = xmalloc(regs->nr * sizeof(struct ff_reg));
+ ALLOC_ARRAY(regs->array, regs->nr);
for (i = 0; i < regs->nr; i++) {
struct ff_reg *reg = regs->array + i;
const char *ep = strchr(value, '\n'), *expression;