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65 lines
1.2 KiB
65 lines
1.2 KiB
#include <stdlib.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <konf/buf.h>
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#include <lub/string.h>
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#include "private.h"
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static int exec_action(lua_State *L, const char *script)
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{
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int res = 0;
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if ((res = luaL_loadstring(L, script))) {
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l_print_error(L, __func__, "load", res);
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} else if ((res = lua_pcall(L, 0, 0, 0))) {
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l_print_error(L, __func__, "exec", res);
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}
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lua_gc(L, LUA_GCCOLLECT, 0);
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return res;
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}
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CLISH_PLUGIN_SYM(clish_plugin_lua_action)
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{
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clish_shell_t *shell = clish_context__get_shell(clish_context);
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lua_State *L = clish_shell__get_udata(shell, LUA_UDATA);
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konf_buf_t *buf;
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pid_t childpid;
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int res = 0, fd[2];
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if (!script) /* Nothing to do */
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return (0);
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if (!out) /* Handle trivial case */
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return exec_action(L, script);
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if (pipe(fd) == -1) {
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perror("pipe");
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return -1;
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}
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if ((childpid = fork()) == -1) {
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perror("fork");
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return -1;
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}
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if (childpid == 0) { /* Child */
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dup2(fd[1], 1);
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close(fd[0]);
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close(fd[1]);
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exit(exec_action(L, script));
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} else { /* Parent */
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close(fd[1]);
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buf = konf_buf_new(fd[0]);
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while(konf_buf_read(buf) > 0);
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*out = konf_buf__dup_line(buf);
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konf_buf_delete(buf);
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close(fd[0]);
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}
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return WEXITSTATUS(res);
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}
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