generic-library/msgpack
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Add const

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gfx 2010-09-15 13:54:18 +09:00
parent 1de03fbe18
commit 6a60cb4dc0
1 changed files with 12 additions and 11 deletions
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23
perl/xs-src/pack.c
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@ -13,17 +13,18 @@
static inline void msgpack_pack ## name static inline void msgpack_pack ## name
typedef struct { typedef struct {
char *cur; /* SvPVX (sv) + current output position */ char *cur; /* SvPVX (sv) + current output position */
char *end; /* SvEND (sv) */ const char *end; /* SvEND (sv) */
SV *sv; /* result scalar */ SV *sv; /* result scalar */
} enc_t; } enc_t;
static void need(enc_t *enc, STRLEN len);
STATIC_INLINE void need(enc_t* const enc, STRLEN const len);
#define msgpack_pack_user enc_t* #define msgpack_pack_user enc_t*
#define msgpack_pack_append_buffer(enc, buf, len) \ #define msgpack_pack_append_buffer(enc, buf, len) \
need(enc, len); \ need(enc, len); \
memcpy(enc->cur, buf, len); \ memcpy(enc->cur, buf, len); \
enc->cur += len; enc->cur += len;
#include "msgpack/pack_template.h" #include "msgpack/pack_template.h"
@ -46,14 +47,14 @@ static void need(enc_t *enc, STRLEN len);
#define ERR_NESTING_EXCEEDED "perl structure exceeds maximum nesting level (max_depth set too low?)" #define ERR_NESTING_EXCEEDED "perl structure exceeds maximum nesting level (max_depth set too low?)"
STATIC_INLINE void need(enc_t *enc, STRLEN len) STATIC_INLINE void need(enc_t* const enc, STRLEN const len)
{ {
dTHX;
if (enc->cur + len >= enc->end) { if (enc->cur + len >= enc->end) {
STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); dTHX;
STRLEN const cur = enc->cur - SvPVX_const(enc->sv);
sv_grow (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); sv_grow (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
enc->cur = SvPVX (enc->sv) + cur; enc->cur = SvPVX_mutable(enc->sv) + cur;
enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; enc->end = SvPVX_const(enc->sv) + SvLEN (enc->sv) - 1;
} }
} }