X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Faggregate.c;h=aef4bbbfa9555cf8ebd3a393773e383115f6126e;hb=b74d09af5e07f954c18e7cdb8aca3af47fa10208;hp=aa289716f5a6aaaabf26a7d7ec45b38ff7434ec9;hpb=81fff61a96bece351e381ad3fef8ab1248a952ba;p=pspp-builds.git

diff --git a/src/language/stats/aggregate.c b/src/language/stats/aggregate.c
index aa289716..aef4bbbf 100644
--- a/src/language/stats/aggregate.c
+++ b/src/language/stats/aggregate.c
@@ -48,6 +48,13 @@
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
 
+/* Argument for AGGREGATE function. */
+union agr_argument
+  {
+    double f;                           /* Numeric. */
+    char *c;                            /* Short or long string. */
+  };
+
 /* Specifies how to make an aggregate variable. */
 struct agr_var
   {
@@ -58,7 +65,7 @@ struct agr_var
     struct variable *dest;	/* Target variable. */
     int function;		/* Function. */
     int include_missing;	/* 1=Include user-missing values. */
-    union value arg[2];		/* Arguments. */
+    union agr_argument arg[2];	/* Arguments. */
 
     /* Accumulated during AGGREGATE execution. */
     double dbl[3];
@@ -154,10 +161,10 @@ static int aggregate_single_case (struct agr_proc *agr,
 static void dump_aggregate_info (struct agr_proc *agr, struct ccase *output);
 
 /* Aggregating to the active file. */
-static bool agr_to_active_file (struct ccase *, void *aux);
+static bool agr_to_active_file (const struct ccase *, void *aux);
 
 /* Aggregating to a system file. */
-static bool presorted_agr_to_sysfile (struct ccase *, void *aux);
+static bool presorted_agr_to_sysfile (const struct ccase *, void *aux);
 
 /* Parsing. */
 
@@ -281,6 +288,7 @@ cmd_aggregate (void)
             goto error;
         }
       discard_variables ();
+      dict_destroy (default_dict);
       default_dict = agr.dict;
       agr.dict = NULL;
       proc_set_source (agr.sink->class->make_source (agr.sink));
@@ -359,7 +367,7 @@ parse_aggregate_functions (struct agr_proc *agr)
       const struct agr_func *function;
       int func_index;
 
-      union value arg[2];
+      union agr_argument arg[2];
 
       struct variable **src;
       size_t n_src;
@@ -396,7 +404,7 @@ parse_aggregate_functions (struct agr_proc *agr)
 	  if (token == T_STRING)
 	    {
 	      ds_truncate (&tokstr, 255);
-	      dest_label[n_dest - 1] = xstrdup (ds_c_str (&tokstr));
+	      dest_label[n_dest - 1] = ds_xstrdup (&tokstr);
 	      lex_get ();
 	    }
 	}
@@ -464,7 +472,7 @@ parse_aggregate_functions (struct agr_proc *agr)
 		lex_match (',');
 		if (token == T_STRING)
 		  {
-		    arg[i].c = xstrdup (ds_c_str (&tokstr));
+		    arg[i].c = ds_xstrdup (&tokstr);
 		    type = ALPHA;
 		  }
 		else if (lex_is_number ())
@@ -515,7 +523,7 @@ parse_aggregate_functions (struct agr_proc *agr)
                   || (src[0]->type == ALPHA
                       && str_compare_rpad (arg[0].c, arg[1].c) > 0)))
             {
-              union value t = arg[0];
+              union agr_argument t = arg[0];
               arg[0] = arg[1];
               arg[1] = t;
                   
@@ -1074,7 +1082,7 @@ initialize_aggregate_info (struct agr_proc *agr, const struct ccase *input)
    are dropped.
    Returns true if successful, false if an I/O error occurred. */
 static bool
-agr_to_active_file (struct ccase *c, void *agr_)
+agr_to_active_file (const struct ccase *c, void *agr_)
 {
   struct agr_proc *agr = agr_;
 
@@ -1087,7 +1095,7 @@ agr_to_active_file (struct ccase *c, void *agr_)
 /* Aggregate the current case and output it if we passed a
    breakpoint. */
 static bool
-presorted_agr_to_sysfile (struct ccase *c, void *agr_) 
+presorted_agr_to_sysfile (const struct ccase *c, void *agr_) 
 {
   struct agr_proc *agr = agr_;