--- lbbs/src/io.c 2004/10/23 18:41:41 1.2 +++ lbbs/src/io.c 2025/05/04 14:54:55 1.18 @@ -1,9 +1,9 @@ /*************************************************************************** - io.c - description - ------------------- - begin : Mon Oct 18 2004 - copyright : (C) 2004 by Leaflet - email : leaflet@leafok.com + io.c - description + ------------------- + begin : Mon Oct 18 2004 + copyright : (C) 2004 by Leaflet + email : leaflet@leafok.com ***************************************************************************/ /*************************************************************************** @@ -16,147 +16,244 @@ ***************************************************************************/ #include "io.h" +#include "log.h" #include "common.h" +#include "tcplib.h" #include #include +#include +#include +#include +#include -int -outc(char c) +int outc(char c) { - int retval; + int retval; - retval = printf("%c",c); + retval = fprintf(stdout, "%c", c); - return retval; + return retval; } -int -prints(const char * format, ...) +int prints(const char *format, ...) { - va_list args; - int retval; + va_list args; + int retval; - va_start (args, format); - retval = vfprintf (stdout, format, args); - va_end (args); + va_start(args, format); + retval = vfprintf(stdout, format, args); + va_end(args); - return retval; + return retval; } -int -iflush() +int iflush() { - int retval; - - retval = fflush (stdout); - - return retval; + int retval; + + retval = fflush(stdout); + + return retval; } -int -igetch () +int igetch(int clear_buf) { - char c, tmp[256]; - static char buf[256]; - int out = 0, loop = 1, in_esc = 0, in_ascii = 0, i = 0, j; - static int len =0 , pos = 0; + // static input buffer + static char buf[256]; + static int len = 0; + static int pos = 0; + + unsigned char tmp[256]; + int out = KEY_NULL; + int in_esc = 0; + int in_ascii = 0; + int in_control = 0; + int i = 0; + + if (clear_buf) + { + pos = 0; + len = 0; + + return 0; + } + + // Stop on system exit + if (SYS_exit) + return KEY_NULL; + + if (pos >= len) + { + fd_set testfds; + struct timeval timeout; + + pos = 0; + len = 0; + + FD_ZERO(&testfds); + FD_SET(0, &testfds); - if (pos >= len) - { - len = s_receive (socket_client, buf, 255, ""); - pos = 0; + timeout.tv_sec = 1; + timeout.tv_usec = 0; - //For debug - //for (j = 0; j < len; j++) - // log_std ("[%d]\n", buf[j]); - } + int result = SignalSafeSelect(FD_SETSIZE, &testfds, (fd_set *)NULL, + (fd_set *)NULL, &timeout); - while (pos < len) - { - c = buf[pos++]; + if (result == 0) + { + return KEY_TIMEOUT; + } + if (result < 0) + { + log_error("select() error (%d) !\n", result); + return KEY_NULL; + } + if (result > 0) + { + if (FD_ISSET(0, &testfds)) + { + len = read(0, buf, 255); + } + } - if (c == '\0') - { - out = c; - break; - } + // For debug + // for (j = 0; j < len; j++) + // log_std ("<--[%u]\n", (buf[j] + 256) % 256); + } - if (c == ESC_KEY) + while (pos < len) { - if (in_esc == 0) - { - in_esc = 1; - in_ascii = 1; - i = 0; - continue; - } - else - { - out = ESC_KEY; - in_esc = 0; - break; - } + unsigned char c = buf[pos++]; + + if (c == '\0') + { + out = c; + break; + } + + if (c == KEY_CONTROL) + { + if (in_control == 0) + { + in_control = 1; + i = 0; + continue; + } + } + + if (in_control) + { + tmp[i++] = c; + if (i >= 2) + { + out = (int)tmp[0] * 256 + tmp[1]; + in_control = 0; + break; + } + continue; + } + + if (c == ESC_KEY) + { + if (in_esc == 0) + { + in_esc = 1; + in_ascii = 1; + i = 0; + continue; + } + else + { + out = ESC_KEY; + in_esc = 0; + break; + } + } + + in_esc = 0; + + if (in_ascii) + { + tmp[i++] = c; + if (c == 'm') + { + in_ascii = 0; + continue; + } + if (i == 2 && c >= 'A' && c <= 'D') + { + in_ascii = 0; + switch (c) + { + case 'A': + out = KEY_UP; + break; + case 'B': + out = KEY_DOWN; + break; + case 'C': + out = KEY_RIGHT; + break; + case 'D': + out = KEY_LEFT; + break; + } + break; + } + if (i == 3 && tmp[0] == 91 && tmp[2] == 126) + { + in_ascii = 0; + switch (tmp[1]) + { + case 49: + out = KEY_HOME; + break; + case 51: + out = KEY_DEL; + break; + case 52: + out = KEY_END; + break; + case 53: + out = KEY_PGUP; + break; + case 54: + out = KEY_PGDN; + break; + } + break; + } + continue; + } + + out = ((int)c + 256) % 256; + break; } - in_esc = 0; + // for debug + // log_std ("-->[%u]\n", out); + + return out; +} + +int igetch_t(long int sec) +{ + int ch; + time_t t_begin = time(0); - if (in_ascii) + do { - tmp[i++] = c; - if (c == 'm') - { - in_ascii = 0; - continue; - } - if (i == 2 && c >= 'A' && c <= 'D') - { - in_ascii = 0; - switch (c) - { - case 'A': - out = KEY_UP; - break; - case 'B': - out = KEY_DOWN; - break; - case 'C': - out = KEY_RIGHT; - break; - case 'D': - out = KEY_LEFT; - break; - } - break; - } - if (i == 3 && tmp[0] == 91 && tmp[2] == 126) - { - in_ascii = 0; - switch (tmp[1]) - { - case 49: - out = KEY_HOME; - break; - case 52: - out = KEY_END; - break; - case 53: - out = KEY_PGUP; - break; - case 54: - out = KEY_PGDOWN; - break; - } - break; - } - continue; - } + ch = igetch(0); + } while ((ch == KEY_TIMEOUT || ch == 0xa) && (time(0) - t_begin < sec)); - out = ((int)c + 256) % 256; - break; - } + return ch; +} + +int ikbhit() +{ + int len; - //for debug - //log_std ("[%d]\n", out); + ioctl(0, FIONREAD, &len); - return out; + return len; }