diff options
Diffstat (limited to 'src/common/mempattern.h')
| -rw-r--r-- | src/common/mempattern.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/common/mempattern.h b/src/common/mempattern.h index ebfe4ae..7bef851 100644 --- a/src/common/mempattern.h +++ b/src/common/mempattern.h @@ -27,6 +27,29 @@ #ifndef _KNOTD_COMMON_MALLOC_H_ #define _KNOTD_COMMON_MALLOC_H_ +#include <stddef.h> + +/* Memory allocation function prototypes. */ +typedef void* (*mm_alloc_t)(void* ctx, size_t len); +typedef void (*mm_free_t)(void *p); +typedef void (*mm_flush_t)(void *p); + +/* Memory allocation context. */ +typedef struct mm_ctx { + void *ctx; /* \note Must be first */ + mm_alloc_t alloc; + mm_free_t free; +} mm_ctx_t; + +/*! \brief Initialize default memory allocation context. */ +void mm_ctx_init(mm_ctx_t *mm); + +/*! \brief Allocate memory or die. */ +void* xmalloc(size_t l); + +/*! \brief Reallocate memory or die. */ +void *xrealloc(void *p, size_t l); + /*! * \brief Reserve new or trim excessive memory. * @@ -64,6 +87,17 @@ int mreserve(char **p, size_t tlen, size_t min, size_t allow, size_t *reserved); */ char* sprintf_alloc(const char *fmt, ...); +/*! + * \brief Create new string from a concatenation of s1 and s2. + * + * \param s1 First string. + * \param s2 Second string. + * + * \retval Newly allocated string on success. + * \retval NULL on error. + */ +char* strcdup(const char *s1, const char *s2); + /*! \brief Print usage statistics. * * \note This function has destructor attribute set if MEM_DEBUG is enabled. |