X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Ftransformations.c;h=4d1e22e3b7a0230a3f556dd5e09f3d5b78ef1c96;hb=f5c108becd49d78f4898cab11352291f5689d24e;hp=f77c24f8b95095a832b416a756ac26fd53a4a13e;hpb=7eee0554f378481faf447e2d2e940f389d6b05ec;p=pspp-builds.git

diff --git a/src/data/transformations.c b/src/data/transformations.c
index f77c24f8..4d1e22e3 100644
--- a/src/data/transformations.c
+++ b/src/data/transformations.c
@@ -33,7 +33,7 @@ struct transformation
     /* Offset to add to EXECUTE's return value, if it returns a
        transformation index.  Normally 0 but set to the starting
        index of a spliced chain after splicing. */
-    int idx_ofs;                        
+    int idx_ofs;
     trns_finalize_func *finalize;       /* Finalize proc. */
     trns_proc_func *execute;            /* Executes the transformation. */
     trns_free_func *free;               /* Garbage collector proc. */
@@ -41,7 +41,7 @@ struct transformation
   };
 
 /* A chain of transformations. */
-struct trns_chain 
+struct trns_chain
   {
     struct transformation *trns;        /* Array of transformations. */
     size_t trns_cnt;                    /* Number of transformations. */
@@ -51,7 +51,7 @@ struct trns_chain
 
 /* Allocates and returns a new transformation chain. */
 struct trns_chain *
-trns_chain_create (void) 
+trns_chain_create (void)
 {
   struct trns_chain *chain = xmalloc (sizeof *chain);
   chain->trns = NULL;
@@ -68,17 +68,17 @@ trns_chain_create (void)
    finalization the chain's contents are fixed, so that no more
    transformations may be added afterward. */
 void
-trns_chain_finalize (struct trns_chain *chain) 
+trns_chain_finalize (struct trns_chain *chain)
 {
-  if (!chain->finalized) 
+  if (!chain->finalized)
     {
       size_t i;
 
-      for (i = 0; i < chain->trns_cnt; i++) 
+      for (i = 0; i < chain->trns_cnt; i++)
         {
           struct transformation *trns = &chain->trns[i];
           if (trns->finalize != NULL)
-            trns->finalize (trns->aux); 
+            trns->finalize (trns->aux);
         }
       chain->finalized = true;
     }
@@ -87,34 +87,34 @@ trns_chain_finalize (struct trns_chain *chain)
 /* Destroys CHAIN, finalizing it in the process if it has not
    already been finalized. */
 bool
-trns_chain_destroy (struct trns_chain *chain) 
+trns_chain_destroy (struct trns_chain *chain)
 {
   bool ok = true;
 
-  if (chain != NULL) 
+  if (chain != NULL)
     {
       size_t i;
-      
+
       /* Needed to ensure that the control stack gets cleared. */
       trns_chain_finalize (chain);
-      
-      for (i = 0; i < chain->trns_cnt; i++) 
+
+      for (i = 0; i < chain->trns_cnt; i++)
         {
           struct transformation *trns = &chain->trns[i];
-          if (trns->free != NULL) 
+          if (trns->free != NULL)
             ok = trns->free (trns->aux) && ok;
         }
       free (chain->trns);
       free (chain);
     }
-  
+
   return ok;
 }
 
 /* Returns true if CHAIN contains any transformations,
    false otherwise. */
 bool
-trns_chain_is_empty (const struct trns_chain *chain) 
+trns_chain_is_empty (const struct trns_chain *chain)
 {
   return chain->trns_cnt == 0;
 }
@@ -125,7 +125,7 @@ trns_chain_is_empty (const struct trns_chain *chain)
 void
 trns_chain_append (struct trns_chain *chain, trns_finalize_func *finalize,
                    trns_proc_func *execute, trns_free_func *free,
-                   void *aux) 
+                   void *aux)
 {
   struct transformation *trns;
 
@@ -147,25 +147,25 @@ trns_chain_append (struct trns_chain *chain, trns_finalize_func *finalize,
    and destroys SRC.
    Both DST and SRC must already be finalized. */
 void
-trns_chain_splice (struct trns_chain *dst, struct trns_chain *src) 
+trns_chain_splice (struct trns_chain *dst, struct trns_chain *src)
 {
   size_t i;
-  
+
   assert (dst->finalized);
   assert (src->finalized);
 
-  if (dst->trns_cnt + src->trns_cnt > dst->trns_cap) 
+  if (dst->trns_cnt + src->trns_cnt > dst->trns_cap)
     {
       dst->trns_cap = dst->trns_cnt + src->trns_cnt;
       dst->trns = xnrealloc (dst->trns, dst->trns_cap, sizeof *dst->trns);
     }
 
-  for (i = 0; i < src->trns_cnt; i++) 
+  for (i = 0; i < src->trns_cnt; i++)
     {
       struct transformation *d = &dst->trns[i + dst->trns_cnt];
       const struct transformation *s = &src->trns[i];
       *d = *s;
-      d->idx_ofs += src->trns_cnt; 
+      d->idx_ofs += src->trns_cnt;
     }
   dst->trns_cnt += src->trns_cnt;
 
@@ -175,7 +175,7 @@ trns_chain_splice (struct trns_chain *dst, struct trns_chain *src)
 /* Returns the index that a transformation execution function may
    return to "jump" to the next transformation to be added. */
 size_t
-trns_chain_next (struct trns_chain *chain) 
+trns_chain_next (struct trns_chain *chain)
 {
   return chain->trns_cnt;
 }
@@ -189,7 +189,7 @@ trns_chain_next (struct trns_chain *chain)
    due to "falling off the end" of the set of transformations. */
 enum trns_result
 trns_chain_execute (struct trns_chain *chain, enum trns_result start,
-                    struct ccase *c, const size_t *case_nr) 
+                    struct ccase *c, const size_t *case_nr)
 {
   size_t i;
 
@@ -202,8 +202,8 @@ trns_chain_execute (struct trns_chain *chain, enum trns_result start,
         i++;
       else if (retval >= 0)
         i = retval + trns->idx_ofs;
-      else 
-        return retval == TRNS_END_CASE ? i + 1 : retval; 
+      else
+        return retval == TRNS_END_CASE ? i + 1 : retval;
     }
 
   return TRNS_CONTINUE;