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Diffstat (limited to 'xdiff-interface.c')
-rw-r--r--xdiff-interface.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/xdiff-interface.c b/xdiff-interface.c
index 609615db2c..75b32aef51 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -31,29 +31,36 @@ static int xdiff_out_hunk(void *priv_,
return 0;
}
-static void consume_one(void *priv_, char *s, unsigned long size)
+static int consume_one(void *priv_, char *s, unsigned long size)
{
struct xdiff_emit_state *priv = priv_;
char *ep;
while (size) {
unsigned long this_size;
+ int ret;
ep = memchr(s, '\n', size);
this_size = (ep == NULL) ? size : (ep - s + 1);
- priv->line_fn(priv->consume_callback_data, s, this_size);
+ ret = priv->line_fn(priv->consume_callback_data, s, this_size);
+ if (ret)
+ return ret;
size -= this_size;
s += this_size;
}
+ return 0;
}
static int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf)
{
struct xdiff_emit_state *priv = priv_;
int i;
+ int stop = 0;
if (!priv->line_fn)
return 0;
for (i = 0; i < nbuf; i++) {
+ if (stop)
+ return 1;
if (mb[i].ptr[mb[i].size-1] != '\n') {
/* Incomplete line */
strbuf_add(&priv->remainder, mb[i].ptr, mb[i].size);
@@ -62,17 +69,21 @@ static int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf)
/* we have a complete line */
if (!priv->remainder.len) {
- consume_one(priv, mb[i].ptr, mb[i].size);
+ stop = consume_one(priv, mb[i].ptr, mb[i].size);
continue;
}
strbuf_add(&priv->remainder, mb[i].ptr, mb[i].size);
- consume_one(priv, priv->remainder.buf, priv->remainder.len);
+ stop = consume_one(priv, priv->remainder.buf, priv->remainder.len);
strbuf_reset(&priv->remainder);
}
+ if (stop)
+ return -1;
if (priv->remainder.len) {
- consume_one(priv, priv->remainder.buf, priv->remainder.len);
+ stop = consume_one(priv, priv->remainder.buf, priv->remainder.len);
strbuf_reset(&priv->remainder);
}
+ if (stop)
+ return -1;
return 0;
}
@@ -115,12 +126,6 @@ int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t co
return xdl_diff(&a, &b, xpp, xecfg, xecb);
}
-void discard_hunk_line(void *priv,
- long ob, long on, long nb, long nn,
- const char *func, long funclen)
-{
-}
-
int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2,
xdiff_emit_hunk_fn hunk_fn,
xdiff_emit_line_fn line_fn,