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path: root/shared.c
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Diffstat (limited to 'shared.c') (more/less context) (ignore whitespace changes)
-rw-r--r--shared.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/shared.c b/shared.c
index 6e8f0ce..7cf1e59 100644
--- a/shared.c
+++ b/shared.c
@@ -249,56 +249,57 @@ int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
free(diffbuf);
diffbuf = NULL;
buflen = 0;
}
if (diffbuf) {
((linediff_fn)priv)(diffbuf, buflen);
free(diffbuf);
diffbuf = NULL;
buflen = 0;
}
return 0;
}
int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1, unsigned long *old_size,
- unsigned long *new_size, int *binary, linediff_fn fn)
+ unsigned long *new_size, int *binary, int context,
+ linediff_fn fn)
{
mmfile_t file1, file2;
xpparam_t diff_params;
xdemitconf_t emit_params;
xdemitcb_t emit_cb;
if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
return 1;
*old_size = file1.size;
*new_size = file2.size;
if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
(file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
*binary = 1;
return 0;
}
memset(&diff_params, 0, sizeof(diff_params));
memset(&emit_params, 0, sizeof(emit_params));
memset(&emit_cb, 0, sizeof(emit_cb));
diff_params.flags = XDF_NEED_MINIMAL;
- emit_params.ctxlen = 3;
+ emit_params.ctxlen = context > 0 ? context : 3;
emit_params.flags = XDL_EMIT_FUNCNAMES;
emit_cb.outf = filediff_cb;
emit_cb.priv = fn;
xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
return 0;
}
void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
filepair_fn fn, const char *prefix)
{
struct diff_options opt;
int ret;
int prefixlen;
diff_setup(&opt);