1B252D4060FF09CC633A32A   File not found. 9 lm_J*j"Tqţ ham_J*j"Tqţ f # li~C]q@q 1h q ¿ /* * * Another test harness for the readline callback interface. * * Author: Bob Rossi */ #if defined (HAVE_CONFIG_H) #include #endif #include #include #include #include #include #include #include #if 1 /* LINUX */ #include #else #include #endif #ifdef READLINE_LIBRARY # include "readline.h" #else # include #endif /** * Master/Slave PTY used to keep readline off of stdin/stdout. */ static int masterfd = -1; static int slavefd; void sigint (s) int s; { tty_reset (STDIN_FILENO); close (masterfd); close (slavefd); printf ("\n"); exit (0); } void sigwinch (s) int s; { rl_resize_terminal (); } static int user_input() { int size; const int MAX = 1024; char *buf = (char *)malloc(MAX+1); size = read (STDIN_FILENO, buf, MAX); if (size == -1) return -1; size = write (masterfd, buf, size); if (size == -1) return -1; return 0; } static int readline_input() { const int MAX = 1024; char *buf = (char *)malloc(MAX+1); int size; size = read (masterfd, buf, MAX); if (size == -1) { free( buf ); buf = NULL; return -1; } buf[size] = 0; /* Display output from readline */ if ( size > 0 ) fprintf(stderr, "%s", buf); free( buf ); buf = NULL; return 0; } static void rlctx_send_user_command(char *line) { /* This happens when rl_callback_read_char gets EOF */ if ( line == NULL ) return; if (strcmp (line, "exit") == 0) { tty_reset (STDIN_FILENO); close (masterfd); close (slavefd); printf ("\n"); exit (0); } /* Don't add the enter command */ if ( line && *line != '\0' ) add_history(line); } static void custom_deprep_term_function () { } static int init_readline (int inputfd, int outputfd) { FILE *inputFILE, *outputFILE; inputFILE = fdopen (inputfd, "r"); if (!inputFILE) return -1; outputFILE = fdopen (outputfd, "w"); if (!outputFILE) return -1; rl_instream = inputFILE; rl_outstream = outputFILE; /* Tell readline what the prompt is if it needs to put it back */ rl_callback_handler_install("(rltest): ", rlctx_send_user_command); /* Set the terminal type to dumb so the output of readline can be * understood by tgdb */ if ( rl_reset_terminal("dumb") == -1 ) return -1; /* For some reason, readline can not deprep the terminal. * However, it doesn't matter because no other application is working on * the terminal besides readline */ rl_deprep_term_function = custom_deprep_term_function; using_history(); read_history(".history"); return 0; } static int main_loop(void) { fd_set rset; int max; max = (masterfd > STDIN_FILENO) ? masterfd : STDIN_FILENO; max = (max > slavefd) ? max : slavefd; for (;;) { /* Reset the fd_set, and watch for input from GDB or stdin */ FD_ZERO(&rset); FD_SET(STDIN_FILENO, &rset); FD_SET(slavefd, &rset); FD_SET(masterfd, &rset); /* Wait for input */ if (select(max + 1, &rset, NULL, NULL, NULL) == -1) { if (errno == EINTR) continue; else return -1; } /* Input received through the pty: Handle it * Wrote to masterfd, slave fd has that input, alert readline to read it. */ if (FD_ISSET(slavefd, &rset)) rl_callback_read_char(); /* Input received through the pty. * Readline read from slavefd, and it wrote to the masterfd. */ if (FD_ISSET(masterfd, &rset)) if ( readline_input() == -1 ) return -1; /* Input received: Handle it, write to masterfd (input to readline) */ if (FD_ISSET(STDIN_FILENO, &rset)) if ( user_input() == -1 ) return