diff --git a/src/buffer.c b/src/buffer.c index 7148be3..038cb91 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -9,7 +9,7 @@ * Internal function prototypes \*=========================================================================*/ static int recvraw(p_buffer buf, size_t wanted, luaL_Buffer *b); -static int recvline(p_buffer buf, luaL_Buffer *b); +static int recvline(p_buffer buf, luaL_Buffer *b, int chop); static int recvall(p_buffer buf, luaL_Buffer *b); static int buffer_get(p_buffer buf, const char **data, size_t *count); static void buffer_skip(p_buffer buf, size_t count); @@ -117,10 +117,21 @@ int buffer_meth_receive(lua_State *L, p_buffer buf) { luaL_addlstring(&b, part, size); /* receive new patterns */ if (!lua_isnumber(L, 2)) { - const char *p= luaL_optstring(L, 2, "*l"); - if (p[0] == '*' && p[1] == 'l') err = recvline(buf, &b); - else if (p[0] == '*' && p[1] == 'a') err = recvall(buf, &b); - else luaL_argcheck(L, 0, 2, "invalid receive pattern"); + const char *p = luaL_optstring(L, 2, "l"); + if (*p == '*') p++; /* skip optional '*' (for compatibility) */ + switch (*p) { + case 'l': /* line */ + err = recvline(buf, &b, 1); + break; + case 'L': /* line with \n */ + err = recvline(buf, &b, 0); + break; + case 'a': /* all */ + err = recvall(buf, &b); + break; + default: + luaL_argcheck(L, 0, 2, "invalid receive pattern"); + } /* get a fixed number of bytes (minus what was already partially * received) */ } else { @@ -222,7 +233,7 @@ static int recvall(p_buffer buf, luaL_Buffer *b) { * Reads a line terminated by a CR LF pair or just by a LF. The CR and LF * are not returned by the function and are discarded from the buffer \*-------------------------------------------------------------------------*/ -static int recvline(p_buffer buf, luaL_Buffer *b) { +static int recvline(p_buffer buf, luaL_Buffer *b, int chop) { int err = IO_DONE; while (err == IO_DONE) { size_t count, pos; const char *data; @@ -234,6 +245,8 @@ static int recvline(p_buffer buf, luaL_Buffer *b) { pos++; } if (pos < count) { /* found '\n' */ + if (!chop) + luaL_addchar(b, '\n'); buffer_skip(buf, pos+1); /* skip '\n' too */ break; /* we are done */ } else /* reached the end of the buffer */