1 files changed, 241 insertions, 243 deletions

diff --git a/src/st.c b/src/st.c
index d4fe867..e5fd1a1 100644
--- a/src/st.c
+++ b/src/st.c
@@ -108,17 +108,16 @@ new_size(size)
 
 #if 0
     for (i=3; i<31; i++) {
-	if ((1<<i) > size) return 1<<i;
+      if ((1<<i) > size) return 1<<i;
     }
     return -1;
 #else
     int newsize;
 
     for (i = 0, newsize = MINSIZE;
-	 i < (int )(sizeof(primes)/sizeof(primes[0]));
-	 i++, newsize <<= 1)
-    {
-	if (newsize > size) return primes[i];
+         i < (int )(sizeof(primes)/sizeof(primes[0]));
+         i++, newsize <<= 1) {
+      if (newsize > size) return primes[i];
     }
     /* Ran out of polynomials */
     return -1;			/* should raise exception */
@@ -145,82 +144,82 @@ st_init_table_with_size(type, size)
     struct st_hash_type *type;
     int size;
 {
-    st_table *tbl;
+  st_table *tbl;
 
 #ifdef HASH_LOG
-    if (init_st == 0) {
-	init_st = 1;
-	atexit(stat_col);
-    }
+  if (init_st == 0) {
+    init_st = 1;
+    atexit(stat_col);
+  }
 #endif
 
-    size = new_size(size);	/* round up to prime number */
+  size = new_size(size);	/* round up to prime number */
 
-    tbl = alloc(st_table);
-    if (tbl == 0) return 0;
+  tbl = alloc(st_table);
+  if (tbl == 0) return 0;
 
-    tbl->type = type;
-    tbl->num_entries = 0;
-    tbl->num_bins = size;
-    tbl->bins = (st_table_entry **)Calloc(size, sizeof(st_table_entry*));
-    if (tbl->bins == 0) {
-      free(tbl);
-      return 0;
-    }
+  tbl->type = type;
+  tbl->num_entries = 0;
+  tbl->num_bins = size;
+  tbl->bins = (st_table_entry **)Calloc(size, sizeof(st_table_entry*));
+  if (tbl->bins == 0) {
+    free(tbl);
+    return 0;
+  }
 
-    return tbl;
+  return tbl;
 }
 
 st_table*
 st_init_table(type)
     struct st_hash_type *type;
 {
-    return st_init_table_with_size(type, 0);
+  return st_init_table_with_size(type, 0);
 }
 
 st_table*
 st_init_numtable(void)
 {
-    return st_init_table(&type_numhash);
+  return st_init_table(&type_numhash);
 }
 
 st_table*
 st_init_numtable_with_size(size)
     int size;
 {
-    return st_init_table_with_size(&type_numhash, size);
+  return st_init_table_with_size(&type_numhash, size);
 }
 
 st_table*
 st_init_strtable(void)
 {
-    return st_init_table(&type_strhash);
+  return st_init_table(&type_strhash);
 }
 
 st_table*
 st_init_strtable_with_size(size)
     int size;
 {
-    return st_init_table_with_size(&type_strhash, size);
+  return st_init_table_with_size(&type_strhash, size);
 }
 
 void
 st_free_table(table)
     st_table *table;
 {
-    register st_table_entry *ptr, *next;
-    int i;
+  register st_table_entry *ptr, *next;
+  int i;
 
-    for(i = 0; i < table->num_bins; i++) {
-	ptr = table->bins[i];
-	while (ptr != 0) {
+  for(i = 0; i < table->num_bins; i++) {
+    ptr = table->bins[i];
+    while (ptr != 0) {
 	    next = ptr->next;
 	    free(ptr);
 	    ptr = next;
-	}
     }
-    free(table->bins);
-    free(table);
+  }
+  free(table->bins);
+  free(table);
 }
 
 #define PTR_NOT_EQUAL(table, ptr, hash_val, key) \
@@ -236,187 +235,186 @@ st_free_table(table)
     bin_pos = hash_val%(table)->num_bins;\
     ptr = (table)->bins[bin_pos];\
     if (PTR_NOT_EQUAL(table, ptr, hash_val, key)) {\
-	COLLISION;\
-	while (PTR_NOT_EQUAL(table, ptr->next, hash_val, key)) {\
-	    ptr = ptr->next;\
-	}\
-	ptr = ptr->next;\
+      COLLISION;\
+      while (PTR_NOT_EQUAL(table, ptr->next, hash_val, key)) {\
+        ptr = ptr->next;\
+      }\
+      ptr = ptr->next;\
     }\
 } while (0)
 
 int
 st_lookup(table, key, value)
-    st_table *table;
-    register st_data_t key;
-    st_data_t *value;
+     st_table *table;
+     register st_data_t key;
+     st_data_t *value;
 {
-    unsigned int hash_val, bin_pos;
-    register st_table_entry *ptr;
+  unsigned int hash_val, bin_pos;
+  register st_table_entry *ptr;
 
-    hash_val = do_hash(key, table);
-    FIND_ENTRY(table, ptr, hash_val, bin_pos);
+  hash_val = do_hash(key, table);
+  FIND_ENTRY(table, ptr, hash_val, bin_pos);
 
-    if (ptr == 0) {
-	return 0;
-    }
-    else {
-	if (value != 0)  *value = ptr->record;
-	return 1;
-    }
+  if (ptr == 0) {
+    return 0;
+  }
+  else {
+    if (value != 0)  *value = ptr->record;
+    return 1;
+  }
 }
 
-#define ADD_DIRECT(table, key, value, hash_val, bin_pos)\
+#define ADD_DIRECT(table, key, value, hash_val, bin_pos, ret) \
 do {\
-    st_table_entry *entry;\
-    if (table->num_entries/(table->num_bins) > ST_DEFAULT_MAX_DENSITY) {\
-	rehash(table);\
-        bin_pos = hash_val % table->num_bins;\
-    }\
-    \
-    entry = alloc(st_table_entry);\
-    \
-    entry->hash = hash_val;\
-    entry->key = key;\
-    entry->record = value;\
-    entry->next = table->bins[bin_pos];\
-    table->bins[bin_pos] = entry;\
-    table->num_entries++;\
+  st_table_entry *entry;\
+  if (table->num_entries/(table->num_bins) > ST_DEFAULT_MAX_DENSITY) {\
+    rehash(table);\
+    bin_pos = hash_val % table->num_bins;\
+  }\
+  entry = alloc(st_table_entry);\
+  if (IS_NULL(entry)) return ret;\
+  entry->hash = hash_val;\
+  entry->key = key;\
+  entry->record = value;\
+  entry->next = table->bins[bin_pos];\
+  table->bins[bin_pos] = entry;\
+  table->num_entries++;\
 } while (0)
 
 int
 st_insert(table, key, value)
-    register st_table *table;
-    register st_data_t key;
-    st_data_t value;
+     register st_table *table;
+     register st_data_t key;
+     st_data_t value;
 {
-    unsigned int hash_val, bin_pos;
-    register st_table_entry *ptr;
+  unsigned int hash_val, bin_pos;
+  register st_table_entry *ptr;
 
-    hash_val = do_hash(key, table);
-    FIND_ENTRY(table, ptr, hash_val, bin_pos);
+  hash_val = do_hash(key, table);
+  FIND_ENTRY(table, ptr, hash_val, bin_pos);
 
-    if (ptr == 0) {
-	ADD_DIRECT(table, key, value, hash_val, bin_pos);
-	return 0;
-    }
-    else {
-	ptr->record = value;
-	return 1;
-    }
+  if (ptr == 0) {
+    ADD_DIRECT(table, key, value, hash_val, bin_pos, ONIGERR_MEMORY);
+    return 0;
+  }
+  else {
+    ptr->record = value;
+    return 1;
+  }
 }
 
 void
 st_add_direct(table, key, value)
-    st_table *table;
-    st_data_t key;
-    st_data_t value;
+     st_table *table;
+     st_data_t key;
+     st_data_t value;
 {
-    unsigned int hash_val, bin_pos;
+  unsigned int hash_val, bin_pos;
 
-    hash_val = do_hash(key, table);
-    bin_pos = hash_val % table->num_bins;
-    ADD_DIRECT(table, key, value, hash_val, bin_pos);
+  hash_val = do_hash(key, table);
+  bin_pos = hash_val % table->num_bins;
+  ADD_DIRECT(table, key, value, hash_val, bin_pos,);
 }
 
 static void
 rehash(table)
-    register st_table *table;
+     register st_table *table;
 {
-    register st_table_entry *ptr, *next, **new_bins;
-    int i, old_num_bins = table->num_bins, new_num_bins;
-    unsigned int hash_val;
-
-    new_num_bins = new_size(old_num_bins+1);
-    new_bins = (st_table_entry**)Calloc(new_num_bins, sizeof(st_table_entry*));
-    if (new_bins == 0) {
-      return ;
-    }
-
-    for(i = 0; i < old_num_bins; i++) {
-	ptr = table->bins[i];
-	while (ptr != 0) {
+  register st_table_entry *ptr, *next, **new_bins;
+  int i, old_num_bins = table->num_bins, new_num_bins;
+  unsigned int hash_val;
+
+  new_num_bins = new_size(old_num_bins+1);
+  new_bins = (st_table_entry**)Calloc(new_num_bins, sizeof(st_table_entry*));
+  if (new_bins == 0) {
+    return ;
+  }
+
+  for(i = 0; i < old_num_bins; i++) {
+    ptr = table->bins[i];
+    while (ptr != 0) {
 	    next = ptr->next;
 	    hash_val = ptr->hash % new_num_bins;
 	    ptr->next = new_bins[hash_val];
 	    new_bins[hash_val] = ptr;
 	    ptr = next;
-	}
     }
-    free(table->bins);
-    table->num_bins = new_num_bins;
-    table->bins = new_bins;
+  }
+  free(table->bins);
+  table->num_bins = new_num_bins;
+  table->bins = new_bins;
 }
 
 st_table*
 st_copy(old_table)
-    st_table *old_table;
+     st_table *old_table;
 {
-    st_table *new_table;
-    st_table_entry *ptr, *entry;
-    int i, num_bins = old_table->num_bins;
+  st_table *new_table;
+  st_table_entry *ptr, *entry;
+  int i, num_bins = old_table->num_bins;
 
-    new_table = alloc(st_table);
-    if (new_table == 0) {
-	return 0;
-    }
+  new_table = alloc(st_table);
+  if (new_table == 0) {
+    return 0;
+  }
 
-    *new_table = *old_table;
-    new_table->bins = (st_table_entry**)
-	Calloc((unsigned)num_bins, sizeof(st_table_entry*));
+  *new_table = *old_table;
+  new_table->bins = (st_table_entry**)
+    Calloc((unsigned)num_bins, sizeof(st_table_entry*));
 
-    if (new_table->bins == 0) {
-	free(new_table);
-	return 0;
-    }
+  if (new_table->bins == 0) {
+    free(new_table);
+    return 0;
+  }
 
-    for(i = 0; i < num_bins; i++) {
-	new_table->bins[i] = 0;
-	ptr = old_table->bins[i];
-	while (ptr != 0) {
+  for(i = 0; i < num_bins; i++) {
+    new_table->bins[i] = 0;
+    ptr = old_table->bins[i];
+    while (ptr != 0) {
 	    entry = alloc(st_table_entry);
 	    if (entry == 0) {
-		free(new_table->bins);
-		free(new_table);
-		return 0;
+        free(new_table->bins);
+        free(new_table);
+        return 0;
 	    }
 	    *entry = *ptr;
 	    entry->next = new_table->bins[i];
 	    new_table->bins[i] = entry;
 	    ptr = ptr->next;
-	}
     }
-    return new_table;
+  }
+  return new_table;
 }
 
 int
 st_delete(table, key, value)
-    register st_table *table;
-    register st_data_t *key;
-    st_data_t *value;
+     register st_table *table;
+     register st_data_t *key;
+     st_data_t *value;
 {
-    unsigned int hash_val;
-    st_table_entry *tmp;
-    register st_table_entry *ptr;
+  unsigned int hash_val;
+  st_table_entry *tmp;
+  register st_table_entry *ptr;
 
-    hash_val = do_hash_bin(*key, table);
-    ptr = table->bins[hash_val];
+  hash_val = do_hash_bin(*key, table);
+  ptr = table->bins[hash_val];
 
-    if (ptr == 0) {
-	if (value != 0) *value = 0;
-	return 0;
-    }
-
-    if (EQUAL(table, *key, ptr->key)) {
-	table->bins[hash_val] = ptr->next;
-	table->num_entries--;
-	if (value != 0) *value = ptr->record;
-	*key = ptr->key;
-	free(ptr);
-	return 1;
-    }
-
-    for(; ptr->next != 0; ptr = ptr->next) {
-	if (EQUAL(table, ptr->next->key, *key)) {
+  if (ptr == 0) {
+    if (value != 0) *value = 0;
+    return 0;
+  }
+
+  if (EQUAL(table, *key, ptr->key)) {
+    table->bins[hash_val] = ptr->next;
+    table->num_entries--;
+    if (value != 0) *value = ptr->record;
+    *key = ptr->key;
+    free(ptr);
+    return 1;
+  }
+
+  for(; ptr->next != 0; ptr = ptr->next) {
+    if (EQUAL(table, ptr->next->key, *key)) {
 	    tmp = ptr->next;
 	    ptr->next = ptr->next->next;
 	    table->num_entries--;
@@ -424,41 +422,41 @@ st_delete(table, key, value)
 	    *key = tmp->key;
 	    free(tmp);
 	    return 1;
-	}
     }
+  }
 
-    return 0;
+  return 0;
 }
 
 int
 st_delete_safe(table, key, value, never)
-    register st_table *table;
-    register st_data_t *key;
-    st_data_t *value;
-    st_data_t never;
+     register st_table *table;
+     register st_data_t *key;
+     st_data_t *value;
+     st_data_t never;
 {
-    unsigned int hash_val;
-    register st_table_entry *ptr;
+  unsigned int hash_val;
+  register st_table_entry *ptr;
 
-    hash_val = do_hash_bin(*key, table);
-    ptr = table->bins[hash_val];
+  hash_val = do_hash_bin(*key, table);
+  ptr = table->bins[hash_val];
 
-    if (ptr == 0) {
-	if (value != 0) *value = 0;
-	return 0;
-    }
+  if (ptr == 0) {
+    if (value != 0) *value = 0;
+    return 0;
+  }
 
-    for(; ptr != 0; ptr = ptr->next) {
-	if ((ptr->key != never) && EQUAL(table, ptr->key, *key)) {
+  for(; ptr != 0; ptr = ptr->next) {
+    if ((ptr->key != never) && EQUAL(table, ptr->key, *key)) {
 	    table->num_entries--;
 	    *key = ptr->key;
 	    if (value != 0) *value = ptr->record;
 	    ptr->key = ptr->record = never;
 	    return 1;
-	}
     }
+  }
 
-    return 0;
+  return 0;
 }
 
 static int
@@ -476,114 +474,114 @@ delete_never(key, value, never)
 
 void
 st_cleanup_safe(table, never)
-    st_table *table;
-    st_data_t never;
+     st_table *table;
+     st_data_t never;
 {
-    int num_entries = table->num_entries;
+  int num_entries = table->num_entries;
 
-    st_foreach(table, delete_never, never);
-    table->num_entries = num_entries;
+  st_foreach(table, delete_never, never);
+  table->num_entries = num_entries;
 }
 
 int
 st_foreach(table, func, arg)
-    st_table *table;
-    int (*func)();
-    st_data_t arg;
+     st_table *table;
+     int (*func)();
+     st_data_t arg;
 {
-    st_table_entry *ptr, *last, *tmp;
-    enum st_retval retval;
-    int i;
+  st_table_entry *ptr, *last, *tmp;
+  enum st_retval retval;
+  int i;
 
-    for(i = 0; i < table->num_bins; i++) {
-	last = 0;
-	for(ptr = table->bins[i]; ptr != 0;) {
+  for(i = 0; i < table->num_bins; i++) {
+    last = 0;
+    for(ptr = table->bins[i]; ptr != 0;) {
 	    retval = (*func)(ptr->key, ptr->record, arg);
 	    switch (retval) {
 	    case ST_CHECK:	/* check if hash is modified during iteration */
-	        tmp = 0;
-		if (i < table->num_bins) {
-		    for (tmp = table->bins[i]; tmp; tmp=tmp->next) {
-			if (tmp == ptr) break;
-		    }
-		}
-		if (!tmp) {
-		    /* call func with error notice */
-		    return 1;
-		}
-		/* fall through */
+        tmp = 0;
+        if (i < table->num_bins) {
+          for (tmp = table->bins[i]; tmp; tmp=tmp->next) {
+            if (tmp == ptr) break;
+          }
+        }
+        if (!tmp) {
+          /* call func with error notice */
+          return 1;
+        }
+        /* fall through */
 	    case ST_CONTINUE:
-		last = ptr;
-		ptr = ptr->next;
-		break;
+        last = ptr;
+        ptr = ptr->next;
+        break;
 	    case ST_STOP:
-	        return 0;
+        return 0;
 	    case ST_DELETE:
-		tmp = ptr;
-		if (last == 0) {
-		    table->bins[i] = ptr->next;
-		}
-		else {
-		    last->next = ptr->next;
-		}
-		ptr = ptr->next;
-		free(tmp);
-		table->num_entries--;
+        tmp = ptr;
+        if (last == 0) {
+          table->bins[i] = ptr->next;
+        }
+        else {
+          last->next = ptr->next;
+        }
+        ptr = ptr->next;
+        free(tmp);
+        table->num_entries--;
 	    }
-	}
     }
-    return 0;
+  }
+  return 0;
 }
 
 static int
 strhash(string)
-    register const char *string;
+     register const char *string;
 {
-    register int c;
+  register int c;
 
 #ifdef HASH_ELFHASH
-    register unsigned int h = 0, g;
+  register unsigned int h = 0, g;
 
-    while ((c = *string++) != '\0') {
-	h = ( h << 4 ) + c;
-	if ( g = h & 0xF0000000 )
+  while ((c = *string++) != '\0') {
+    h = ( h << 4 ) + c;
+    if ( g = h & 0xF0000000 )
 	    h ^= g >> 24;
-	h &= ~g;
-    }
-    return h;
+    h &= ~g;
+  }
+  return h;
 #elif HASH_PERL
-    register int val = 0;
+  register int val = 0;
 
-    while ((c = *string++) != '\0') {
-	val += c;
-	val += (val << 10);
-	val ^= (val >> 6);
-    }
-    val += (val << 3);
-    val ^= (val >> 11);
+  while ((c = *string++) != '\0') {
+    val += c;
+    val += (val << 10);
+    val ^= (val >> 6);
+  }
+  val += (val << 3);
+  val ^= (val >> 11);
 
-    return val + (val << 15);
+  return val + (val << 15);
 #else
-    register int val = 0;
+  register int val = 0;
 
-    while ((c = *string++) != '\0') {
-	val = val*997 + c;
-    }
+  while ((c = *string++) != '\0') {
+    val = val*997 + c;
+  }
 
-    return val + (val>>5);
+  return val + (val>>5);
 #endif
 }
 
 static int
 numcmp(x, y)
-    long x, y;
+     long x, y;
 {
-    return x != y;
+  return x != y;
 }
 
 static int
 numhash(n)
-    long n;
+     long n;
 {
-    return n;
+  return n;
 }