Finally implement "git log --follow"

diff --git a/interpolate.h b/interpolate.h
index 00c63a5622da8545f46fb6b170951b224679bc73..77407e67dca97eb85274c69e2e7469e1d4d40b3b 100644 (file)
--- a/interpolate.h
+++ b/interpolate.h
@@ -5,14 +5,22 @@
 #ifndef INTERPOLATE_H
 #define INTERPOLATE_H
 
+/*
+ * Convert a NUL-terminated string in buffer orig,
+ * performing substitutions on %-named sub-strings from
+ * the interpretation table.
+ */
 
 struct interp {
-       char *name;
+       const char *name;
        char *value;
 };
 
-extern int interpolate(char *result, int reslen,
-                      char *orig,
-                      struct interp *interps, int ninterps);
+extern void interp_set_entry(struct interp *table, int slot, const char *value);
+extern void interp_clear_table(struct interp *table, int ninterps);
+
+extern unsigned long interpolate(char *result, unsigned long reslen,
+                                const char *orig,
+                                const struct interp *interps, int ninterps);
 
 #endif /* INTERPOLATE_H */