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Receive line with ending

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mbartlett21 2020-01-17 12:17:32 +10:00 committed by GitHub
parent c27c23074c
commit b0470f4a0e
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1 changed files with 8 additions and 3 deletions
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11
src/buffer.c
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@ -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);
@ -118,7 +118,10 @@ int buffer_meth_receive(lua_State *L, p_buffer buf) {
if (*p == '*') p++; /* skip optional '*' (for compatibility) */
switch (*p) {
case 'l': /* line */
err = recvline(buf, &b);
err = recvline(buf, &b, 1);
break;
case 'L': /* line with \n */
err = recvline(buf, &b, 0);
break;
case 'a': /* all */
err = recvall(buf, &b);
@ -227,7 +230,7 @@ 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;
@ -239,6 +242,8 @@ 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 */