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fix: lua script stops output if it includes null terminate

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This commit is contained in:
Hideaki Tai 2025-05-06 15:31:45 +09:00
parent f887756a71
commit ea4e690b8e
1 changed files with 4 additions and 2 deletions
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6
src/script.c
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@ -187,7 +187,9 @@ static int modem_send(lua_State *L)
// lua: send(string) // lua: send(string)
static int write_(lua_State *L) static int write_(lua_State *L)
{ {
const char *string = lua_tostring(L, 1); size_t len = 0;
const char *string = lua_tolstring(L, 1, &len);
int ret; int ret;
if (string == NULL) if (string == NULL)
@ -195,7 +197,7 @@ static int write_(lua_State *L)
return 0; return 0;
} }
ret = write(device_fd, string, strlen(string)); ret = write(device_fd, string, len);
fsync(device_fd); // flush these characters now fsync(device_fd); // flush these characters now
tcdrain(device_fd); //ensure we flushed characters to our device tcdrain(device_fd); //ensure we flushed characters to our device