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/* * fe_memutils.h * memory management support for frontend code * * Copyright (c) 2003-2016, PostgreSQL Global Development Group * * src/include/common/fe_memutils.h */ #ifndef FE_MEMUTILS_H #define FE_MEMUTILS_H /* * Flags for pg_malloc_extended and palloc_extended, deliberately named * the same as the backend flags. */ #define MCXT_ALLOC_HUGE 0x01 /* allow huge allocation (> 1 GB) not * actually used for frontends */ #define MCXT_ALLOC_NO_OOM 0x02 /* no failure if out-of-memory */ #define MCXT_ALLOC_ZERO 0x04 /* zero allocated memory */ /* * "Safe" memory allocation functions --- these exit(1) on failure * (except pg_malloc_extended with MCXT_ALLOC_NO_OOM) */ extern char *pg_strdup(const char *in); extern void *pg_malloc(size_t size); extern void *pg_malloc0(size_t size); 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); /* Equivalent functions, deliberately named the same as backend functions */ extern char *pstrdup(const char *in); extern void *palloc(Size size); extern void *palloc0(Size size); extern void *palloc_extended(Size size, int flags); extern void *repalloc(void *pointer, Size size); extern void pfree(void *pointer); /* 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); #endif /* FE_MEMUTILS_H */