Add URL parameter 'context' for changing the number of context lines in diffs

[ps-cgit] / shared.c

diff --git a/shared.c b/shared.c
index 6e8f0ce89f5be4c0d53b29a12f200c1c10f7cbc7..7cf1e59a2bdac66900592cc87827332b767eb492 100644 (file)
--- a/shared.c
+++ b/shared.c
@@ -262,7 +262,8 @@ int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
 
 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;
@@ -285,7 +286,7 @@ int cgit_diff_files(const unsigned char *old_sha1,
        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;