1 files changed, 32 insertions, 5 deletions

diff --git a/src/nissy.c b/src/nissy.c
index eb483a0..2766b12 100644
--- a/src/nissy.c
+++ b/src/nissy.c
@@ -19,6 +19,7 @@ STATIC bool distribution_equal(const uint64_t [static INFO_DISTRIBUTION_LEN],
     const uint64_t [static INFO_DISTRIBUTION_LEN], uint8_t);
 STATIC long long write_result(cube_t, char [static NISSY_SIZE_B32]);
 STATIC size_t my_strnlen(const char *, size_t); 
+STATIC long long nissy_dataid(const char *, char [static NISSY_DATAID_SIZE]);
 STATIC long long nissy_gendata_unsafe(
     const char *, unsigned long long, char *);
 
@@ -412,11 +413,37 @@ nissy_datainfo(
         return NISSY_OK;
 }
 
+STATIC long long
+nissy_dataid(const char *solver, char dataid[static NISSY_DATAID_SIZE])
+{
+        if (!strncmp(solver, "h48", 3)) {
+                uint8_t h, k;
+                long long err;
+                if ((err = parse_h48_solver(solver, &h, &k)) != NISSY_OK)
+                        return err;
+                /* TODO: also check that h and k are admissible */
+                else strcpy(dataid, solver);
+                return err;
+                /* TODO: do this when moved parser */
+                /* return dataid_h48(solver, dataid); */
+        } else if (!strncmp(solver, "coord_", 6)) {
+                return dataid_coord(solver+6, dataid);
+        } else {
+                LOG("gendata: unknown solver %s\n", solver);
+                return NISSY_ERROR_INVALID_SOLVER;
+        }
+}
+
 long long
-nissy_datasize(
-        const char *solver
+nissy_solverinfo(
+        const char *solver,
+        char dataid[static NISSY_DATAID_SIZE]
 )
 {
+        long long err;
+        if ((err = nissy_dataid(solver, dataid)) != NISSY_OK)
+                return err;
+
         /* gendata() handles a NULL *data as a "dryrun" request */
         return nissy_gendata_unsafe(solver, 0, NULL);
 }
@@ -447,7 +474,7 @@ nissy_gendata_unsafe(
         }
 
         if ((size_t)data % 8 != 0) {
-                LOG("nissy_datainfo: buffere is not 8-byte aligned\n");
+                LOG("nissy_gendata: buffere is not 8-byte aligned\n");
                 return NISSY_ERROR_DATA;
         }
 
@@ -478,7 +505,7 @@ nissy_checkdata(
         int64_t err;
 
         if ((size_t)data % 8 != 0) {
-                LOG("nissy_datainfo: buffere is not 8-byte aligned\n");
+                LOG("nissy_checkdata: buffere is not 8-byte aligned\n");
                 return NISSY_ERROR_DATA;
         }
 
@@ -560,7 +587,7 @@ nissy_solve(
         }
 
         if ((size_t)data % 8 != 0) {
-                LOG("nissy_datainfo: buffere is not 8-byte aligned\n");
+                LOG("nissy_solve: buffere is not 8-byte aligned\n");
                 return NISSY_ERROR_DATA;
         }