File: proctitle.c

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lua-proctitle 0.1-2
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#include <lua.h>
#include <lauxlib.h>
#include <string.h>

static char *
find_argv0(lua_State *L)
{
    extern char *__progname;

    return __progname;
}

static int
set_proctitle(lua_State *L)
{
    const char *title = luaL_checkstring(L, 1);
    char *argv0 = find_argv0(L);

    // XXX no length check
    strcpy(argv0, title);

    return 0;
}

int
luaopen_proctitle(lua_State *L)
{
    lua_pushcfunction(L, set_proctitle);
    return 1;
}