1 files changed, 10 insertions, 8 deletions

diff --git a/src/solvers/solutions.h b/src/solvers/solutions.h
index 95c1d1a..c9a1313 100644
--- a/src/solvers/solutions.h
+++ b/src/solvers/solutions.h
@@ -7,7 +7,8 @@ STATIC bool solution_moves_equal(
 STATIC bool solution_moves_is_duplicate(size_t n, const solution_moves_t[n+1]);
 STATIC bool appendchar(solution_list_t [static 1], char);
 STATIC int64_t appendsolution(const solution_moves_t [static 1],
-    const solution_settings_t [static 1], solution_list_t [static 1], bool);
+    const solution_settings_t [static 1], solution_list_t [static 1], bool,
+    const char *);
 STATIC bool solutions_done(const solution_list_t [static 1],
     const solution_settings_t [static 1], int8_t depth);
 
@@ -34,7 +35,7 @@ STATIC bool
 solution_list_init(solution_list_t sols[static 1], size_t n, char buf[n])
 {
         if (n == 0) {
-                LOG("Cannot use solution buffer with size 0\n");
+                LOG("Error: cannot use solution buffer with size 0\n");
                 return false;
         }
 
@@ -98,7 +99,8 @@ appendsolution(
         const solution_moves_t moves[static 1],
         const solution_settings_t settings[static 1],
         solution_list_t list[static 1],
-        bool log
+        bool log,
+        const char *solver_name
 )
 {
         int64_t r, strl;
@@ -184,8 +186,8 @@ appendsolution(
 
                 if (log) {
                         list->buf[list->used-1] = '\0';
-                        LOG("Found solution #%" PRIu64 ": %s\n",
-                            list->nsols, last_start);
+                        LOG("[%s solve] Found solution #%" PRIu64 ": %s\n",
+                            solver_name, list->nsols, last_start);
                         list->buf[list->used-1] = '\n';
                 }
         }
@@ -194,14 +196,14 @@ appendsolution(
         return r;
 
 appendsolution_error_buffer:
-        LOG("Could not append solution to buffer: size too small\n");
+        LOG("[%s solve] Error: buffer too small\n", solver_name);
         list->buf[0] = '\0';
         return NISSY_ERROR_BUFFER_SIZE;
 
 appendsolution_error_solution_length:
-        LOG("Error: solution is too long (%" PRIu8 ").\n"
+        LOG("[%s solve] Error: solution is too long (%" PRIu8 ").\n"
             "This is a bug, please report it.\n",
-            moves->nmoves + moves->npremoves);
+            solver_name, moves->nmoves + moves->npremoves);
         list->buf[0] = '\0';
         return NISSY_ERROR_UNKNOWN;
 }