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comparison libnnchat.c @ 396:07a46ca075ab

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Add some new functions for socket / connection input buffer handling/parsing.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 24 May 2012 04:58:43 +0300
parents 74d97581dc46
children 7bec02f382fb
comparison
equal deleted inserted replaced
395:74d97581dc46 396:07a46ca075ab
443 void nn_network_close(void) 443 void nn_network_close(void)
444 { 444 {
445 #ifdef __WIN32 445 #ifdef __WIN32
446 WSACleanup(); 446 WSACleanup();
447 #endif 447 #endif
448 }
449
450
451 BOOL nn_conn_buf_check(nn_conn_t *conn, size_t n)
452 {
453 return conn && conn->ptr && conn->in_ptr && (conn->ptr + n <= conn->in_ptr);
454 }
455
456
457 BOOL nn_conn_buf_skip(nn_conn_t *conn, size_t n)
458 {
459 if (nn_conn_buf_check(conn, n))
460 {
461 conn->ptr += n;
462 return TRUE;
463 }
464 else
465 return FALSE;
466 }
467
468
469 int nn_conn_buf_strncmp(nn_conn_t *conn, const char *str, const size_t n)
470 {
471 int ret;
472 if (!nn_conn_buf_check(conn, n))
473 return -1;
474
475 if ((ret = strncmp(conn->ptr, str, n)) == 0)
476 {
477 conn->ptr += n;
478 return 0;
479 }
480 else
481 return ret;
482 }
483
484
485 int nn_conn_buf_strcmp(nn_conn_t *conn, const char *str)
486 {
487 return nn_conn_buf_strncmp(conn, str, strlen(str));
488 }
489
490
491 char *nn_conn_buf_strstr(nn_conn_t *conn, const char *str)
492 {
493 char *pos;
494 size_t n = strlen(str);
495
496 if (nn_conn_buf_check(conn, n) && ((pos = strstr(conn->ptr, str)) != NULL))
497 {
498 conn->ptr = pos + n;
499 return pos;
500 }
501 else
502 return NULL;
448 } 503 }
449 504
450 505
451 #define PUSHCHAR(x) th_vputch(&result, &resSize, &resPos, x) 506 #define PUSHCHAR(x) th_vputch(&result, &resSize, &resPos, x)
452 #define PUSHSTR(x) th_vputs(&result, &resSize, &resPos, x) 507 #define PUSHSTR(x) th_vputs(&result, &resSize, &resPos, x)