diff options
Diffstat (limited to 'json-c/src/arraylist.c')
-rw-r--r-- | json-c/src/arraylist.c | 209 |
1 files changed, 108 insertions, 101 deletions
diff --git a/json-c/src/arraylist.c b/json-c/src/arraylist.c index 9a673d6..7e39078 100644 --- a/json-c/src/arraylist.c +++ b/json-c/src/arraylist.c @@ -1,101 +1,108 @@ -/* - * $Id: arraylist.c,v 1.4 2006/01/26 02:16:28 mclark Exp $ - * - * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd. - * Michael Clark <michael@metaparadigm.com> - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the MIT license. See COPYING for details. - * - */ - -#include "config.h" - -#if STDC_HEADERS -# include <stdlib.h> -# include <string.h> -#endif /* STDC_HEADERS */ - -#if defined HAVE_STRINGS_H && !defined _STRING_H && !defined __USE_BSD -# include <strings.h> -#endif /* HAVE_STRINGS_H */ - -#include "bits.h" -#include "arraylist.h" - -struct array_list* -array_list_new(array_list_free_fn *free_fn) -{ - struct array_list *arr; - - arr = (struct array_list*)calloc(1, sizeof(struct array_list)); - if(!arr) return NULL; - arr->size = ARRAY_LIST_DEFAULT_SIZE; - arr->length = 0; - arr->free_fn = free_fn; - if(!(arr->array = (void**)calloc(sizeof(void*), arr->size))) { - free(arr); - return NULL; - } - return arr; -} - -extern void -array_list_free(struct array_list *arr) -{ - int i; - for(i = 0; i < arr->length; i++) - if(arr->array[i]) arr->free_fn(arr->array[i]); - free(arr->array); - free(arr); -} - -void* -array_list_get_idx(struct array_list *arr, int i) -{ - if(i >= arr->length) return NULL; - return arr->array[i]; -} - -static int array_list_expand_internal(struct array_list *arr, int max) -{ - void *t; - int new_size; - - if(max < arr->size) return 0; - new_size = json_max(arr->size << 1, max); - if(!(t = realloc(arr->array, new_size*sizeof(void*)))) return -1; - arr->array = (void**)t; - (void)memset(arr->array + arr->size, 0, (new_size-arr->size)*sizeof(void*)); - arr->size = new_size; - return 0; -} - -int -array_list_put_idx(struct array_list *arr, int idx, void *data) -{ - if(array_list_expand_internal(arr, idx)) return -1; - if(arr->array[idx]) arr->free_fn(arr->array[idx]); - arr->array[idx] = data; - if(arr->length <= idx) arr->length = idx + 1; - return 0; -} - -int -array_list_add(struct array_list *arr, void *data) -{ - return array_list_put_idx(arr, arr->length, data); -} - -void -array_list_sort(struct array_list *arr, int(*sort_fn)(const void *, const void *)) -{ - qsort(arr->array, arr->length, sizeof(arr->array[0]), - (int (*)(const void *, const void *))sort_fn); -} - -int -array_list_length(struct array_list *arr) -{ - return arr->length; -} +/*
+ * $Id: arraylist.c,v 1.4 2006/01/26 02:16:28 mclark Exp $
+ *
+ * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
+ * Michael Clark <michael@metaparadigm.com>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See COPYING for details.
+ *
+ */
+
+#include "config.h"
+
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <string.h>
+#endif /* STDC_HEADERS */
+
+#if defined(HAVE_STRINGS_H) && !defined(_STRING_H) && !defined(__USE_BSD)
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+
+#include "arraylist.h"
+
+struct array_list*
+array_list_new(array_list_free_fn *free_fn)
+{
+ struct array_list *arr;
+
+ arr = (struct array_list*)calloc(1, sizeof(struct array_list));
+ if(!arr) return NULL;
+ arr->size = ARRAY_LIST_DEFAULT_SIZE;
+ arr->length = 0;
+ arr->free_fn = free_fn;
+ if(!(arr->array = (void**)calloc(sizeof(void*), arr->size))) {
+ free(arr);
+ return NULL;
+ }
+ return arr;
+}
+
+extern void
+array_list_free(struct array_list *arr)
+{
+ int i;
+ for(i = 0; i < arr->length; i++)
+ if(arr->array[i]) arr->free_fn(arr->array[i]);
+ free(arr->array);
+ free(arr);
+}
+
+void*
+array_list_get_idx(struct array_list *arr, int i)
+{
+ if(i >= arr->length) return NULL;
+ return arr->array[i];
+}
+
+static int array_list_expand_internal(struct array_list *arr, int max)
+{
+ void *t;
+ int new_size;
+
+ if(max < arr->size) return 0;
+ new_size = arr->size << 1;
+ if (new_size < max)
+ new_size = max;
+ if(!(t = realloc(arr->array, new_size*sizeof(void*)))) return -1;
+ arr->array = (void**)t;
+ (void)memset(arr->array + arr->size, 0, (new_size-arr->size)*sizeof(void*));
+ arr->size = new_size;
+ return 0;
+}
+
+int
+array_list_put_idx(struct array_list *arr, int idx, void *data)
+{
+ if(array_list_expand_internal(arr, idx+1)) return -1;
+ if(arr->array[idx]) arr->free_fn(arr->array[idx]);
+ arr->array[idx] = data;
+ if(arr->length <= idx) arr->length = idx + 1;
+ return 0;
+}
+
+int
+array_list_add(struct array_list *arr, void *data)
+{
+ return array_list_put_idx(arr, arr->length, data);
+}
+
+void
+array_list_sort(struct array_list *arr, int(*sort_fn)(const void *, const void *))
+{
+ qsort(arr->array, arr->length, sizeof(arr->array[0]), sort_fn);
+}
+
+void* array_list_bsearch(const void **key, struct array_list *arr,
+ int (*sort_fn)(const void *, const void *))
+{
+ return bsearch(key, arr->array, arr->length, sizeof(arr->array[0]),
+ sort_fn);
+}
+
+int
+array_list_length(struct array_list *arr)
+{
+ return arr->length;
+}
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