src/usr.bin/ssh/sshbuf.h - diff

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version 1.27, 2022/05/25 06:03:44

version 1.28, 2022/12/02 04:40:27

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#define SSHBUF_MAX_BIGNUM (16384 / 8) /* Max bignum *bytes* */

#define SSHBUF_MAX_ECPOINT ((528 * 2 / 8) + 1) /* Max EC point *bytes* */

struct sshbuf;

* NB. do not depend on the internals of this. It will be made opaque

* one day.

struct sshbuf {

u_char *d; /* Data */

const u_char *cd; /* Const data */

size_t off; /* First available byte is buf->d + buf->off */

size_t size; /* Last byte is buf->d + buf->size - 1 */

size_t max_size; /* Maximum size of buffer */

size_t alloc; /* Total bytes allocated to buf->d */

int readonly; /* Refers to external, const data */

int dont_free; /* Kludge to support sshbuf_init */

u_int refcount; /* Tracks self and number of child buffers */

struct sshbuf *parent; /* If child, pointer to parent */

};

* Create a new sshbuf buffer.

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# endif

# ifdef SSHBUF_DEBUG

# define SSHBUF_TELL(what) do { \

printf("%s:%d %s: %s size %zu alloc %zu off %zu max %zu\n", \

__FILE__, __LINE__, __func__, what, \

buf->size, buf->alloc, buf->off, buf->max_size); \

fflush(stdout); \

} while (0)

# define SSHBUF_DBG(x) do { \

printf("%s:%d %s: ", __FILE__, __LINE__, __func__); \

printf x; \

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fflush(stdout); \

} while (0)

# else

# define SSHBUF_TELL(what)

# define SSHBUF_DBG(x)

# endif

#endif /* SSHBUF_INTERNAL */