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-rw-r--r--src/include/common/fe_memutils.h28
-rw-r--r--src/include/utils/palloc.h22
2 files changed, 50 insertions, 0 deletions
diff --git a/src/include/common/fe_memutils.h b/src/include/common/fe_memutils.h
index 0a4c9126ea7..63f2b6a802d 100644
--- a/src/include/common/fe_memutils.h
+++ b/src/include/common/fe_memutils.h
@@ -29,6 +29,28 @@ extern void *pg_malloc_extended(size_t size, int flags);
extern void *pg_realloc(void *pointer, size_t size);
extern void pg_free(void *pointer);
+/*
+ * Variants with easier notation and more type safety
+ */
+
+/*
+ * Allocate space for one object of type "type"
+ */
+#define pg_malloc_object(type) ((type *) pg_malloc(sizeof(type)))
+#define pg_malloc0_object(type) ((type *) pg_malloc0(sizeof(type)))
+
+/*
+ * Allocate space for "count" objects of type "type"
+ */
+#define pg_malloc_array(type, count) ((type *) pg_malloc(sizeof(type) * (count)))
+#define pg_malloc0_array(type, count) ((type *) pg_malloc0(sizeof(type) * (count)))
+
+/*
+ * Change size of allocation pointed to by "pointer" to have space for "count"
+ * objects of type "type"
+ */
+#define pg_realloc_array(pointer, type, count) ((type *) pg_realloc(pointer, sizeof(type) * (count)))
+
/* Equivalent functions, deliberately named the same as backend functions */
extern char *pstrdup(const char *in);
extern char *pnstrdup(const char *in, Size size);
@@ -38,6 +60,12 @@ extern void *palloc_extended(Size size, int flags);
extern void *repalloc(void *pointer, Size size);
extern void pfree(void *pointer);
+#define palloc_object(type) ((type *) palloc(sizeof(type)))
+#define palloc0_object(type) ((type *) palloc0(sizeof(type)))
+#define palloc_array(type, count) ((type *) palloc(sizeof(type) * (count)))
+#define palloc0_array(type, count) ((type *) palloc0(sizeof(type) * (count)))
+#define repalloc_array(pointer, type, count) ((type *) repalloc(pointer, sizeof(type) * (count)))
+
/* sprintf into a palloc'd buffer --- these are in psprintf.c */
extern char *psprintf(const char *fmt,...) pg_attribute_printf(1, 2);
extern size_t pvsnprintf(char *buf, size_t len, const char *fmt, va_list args) pg_attribute_printf(3, 0);
diff --git a/src/include/utils/palloc.h b/src/include/utils/palloc.h
index 332575f518a..a0b62aa7b0c 100644
--- a/src/include/utils/palloc.h
+++ b/src/include/utils/palloc.h
@@ -81,6 +81,28 @@ extern pg_nodiscard void *repalloc(void *pointer, Size size);
extern void pfree(void *pointer);
/*
+ * Variants with easier notation and more type safety
+ */
+
+/*
+ * Allocate space for one object of type "type"
+ */
+#define palloc_object(type) ((type *) palloc(sizeof(type)))
+#define palloc0_object(type) ((type *) palloc0(sizeof(type)))
+
+/*
+ * Allocate space for "count" objects of type "type"
+ */
+#define palloc_array(type, count) ((type *) palloc(sizeof(type) * (count)))
+#define palloc0_array(type, count) ((type *) palloc0(sizeof(type) * (count)))
+
+/*
+ * Change size of allocation pointed to by "pointer" to have space for "count"
+ * objects of type "type"
+ */
+#define repalloc_array(pointer, type, count) ((type *) repalloc(pointer, sizeof(type) * (count)))
+
+/*
* The result of palloc() is always word-aligned, so we can skip testing
* alignment of the pointer when deciding which MemSet variant to use.
* Note that this variant does not offer any advantage, and should not be