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author | Kim Alvefur <zash@zash.se> | 2017-01-23 19:34:14 +0100 |
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committer | Kim Alvefur <zash@zash.se> | 2017-01-23 19:34:14 +0100 |
commit | db88e0f7b51eeaed68b9b50502b6ba82c53633a1 (patch) | |
tree | ea895b1073f2ff2de7a08fc01f12797ab58c7125 /util-src/ringbuffer.c | |
parent | 26f2953106794bbdd23db98f69fb6e90a4b8e460 (diff) | |
parent | ffde63fe687f5ffecf5fdec28358d1774a8a7169 (diff) | |
download | prosody-db88e0f7b51eeaed68b9b50502b6ba82c53633a1.tar.gz prosody-db88e0f7b51eeaed68b9b50502b6ba82c53633a1.zip |
Merge 0.10->trunk
Diffstat (limited to 'util-src/ringbuffer.c')
-rw-r--r-- | util-src/ringbuffer.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/util-src/ringbuffer.c b/util-src/ringbuffer.c index d60a43d9..73a8616b 100644 --- a/util-src/ringbuffer.c +++ b/util-src/ringbuffer.c @@ -1,5 +1,4 @@ - #include <stdlib.h> #include <unistd.h> #include <string.h> @@ -8,15 +7,12 @@ #include <lua.h> #include <lauxlib.h> -#define MIN(a, b) ((a)>(b)?(b):(a)) -#define MAX(a, b) ((a)>(b)?(a):(b)) - typedef struct { size_t rpos; /* read position */ size_t wpos; /* write position */ size_t alen; /* allocated size */ size_t blen; /* current content size */ - char* buffer; + char buffer[]; } ringbuffer; char readchar(ringbuffer* b) { @@ -76,7 +72,6 @@ int rb_find(lua_State* L) { return 0; } - int rb_read(lua_State* L) { ringbuffer* b = luaL_checkudata(L, 1, "ringbuffer_mt"); int r = luaL_checkinteger(L, 2); @@ -104,7 +99,6 @@ int rb_read(lua_State* L) { return 1; } - int rb_readuntil(lua_State* L) { size_t l, m; ringbuffer* b = luaL_checkudata(L, 1, "ringbuffer_mt"); @@ -169,16 +163,12 @@ int rb_free(lua_State* L) { int rb_new(lua_State* L) { size_t size = luaL_optinteger(L, 1, sysconf(_SC_PAGESIZE)); - ringbuffer* b = lua_newuserdata(L, sizeof(ringbuffer)); + ringbuffer *b = lua_newuserdata(L, sizeof(ringbuffer) + size); + b->rpos = 0; b->wpos = 0; b->alen = size; b->blen = 0; - b->buffer = malloc(size); - - if(b->buffer == NULL) { - return 0; - } luaL_getmetatable(L, "ringbuffer_mt"); lua_setmetatable(L, -2); @@ -186,16 +176,6 @@ int rb_new(lua_State* L) { return 1; } -int rb_gc(lua_State* L) { - ringbuffer* b = luaL_checkudata(L, 1, "ringbuffer_mt"); - - if(b->buffer != NULL) { - free(b->buffer); - } - - return 0; -} - int luaopen_util_ringbuffer(lua_State* L) { #if (LUA_VERSION_NUM > 501) luaL_checkversion(L); @@ -205,8 +185,6 @@ int luaopen_util_ringbuffer(lua_State* L) { lua_setfield(L, -2, "__tostring"); lua_pushcfunction(L, rb_length); lua_setfield(L, -2, "__len"); - lua_pushcfunction(L, rb_gc); - lua_setfield(L, -2, "__gc"); lua_newtable(L); /* __index */ { |