1 /* 2 * Copyright (c) 2013 Proofpoint, Inc. and its suppliers. 3 * All rights reserved. 4 * 5 * By using this file, you agree to the terms and conditions set 6 * forth in the LICENSE file which can be found at the top level of 7 * the sendmail distribution. 8 */ 9 10 #include <sm/gen.h> 11 SM_IDSTR(id, "@(#)$Id: t-fget.c,v 1.2 2013-11-22 20:51:43 ca Exp $") 12 13 #include <sm/io.h> 14 #include <sm/string.h> 15 #include <sm/test.h> 16 #include <errno.h> 17 18 void 19 check(char *msg, int l) 20 { 21 SM_FILE_T *wfp, *rfp; 22 char buf[256]; 23 size_t n; 24 int r, i; 25 static char fn[] = "tfget"; 26 27 wfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, fn, 28 SM_IO_WRONLY_B, NULL); 29 SM_TEST(wfp != NULL); 30 for (i = 0; i < l; i++) 31 { 32 r = sm_io_putc(wfp, SM_TIME_DEFAULT, msg[i]); 33 SM_TEST(r >= 0); 34 } 35 r = sm_io_close(wfp, SM_TIME_DEFAULT); 36 SM_TEST(r == 0); 37 38 rfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, fn, 39 SM_IO_RDONLY_B, NULL); 40 SM_TEST(rfp != NULL); 41 n = sizeof(buf); 42 r = sm_io_fgets(rfp, SM_TIME_DEFAULT, buf, n); 43 if (l == 0) 44 { 45 SM_TEST(r == -1); 46 SM_TEST(errno == 0); 47 } 48 else 49 { 50 SM_TEST(r == l); 51 if (r != l) 52 fprintf(stderr, "buf='%s', in='%s', r=%d, l=%d\n", 53 buf, msg, r, l); 54 } 55 SM_TEST(memcmp(buf, msg, l) == 0); 56 r = sm_io_close(rfp, SM_TIME_DEFAULT); 57 SM_TEST(r == 0); 58 } 59 60 61 int 62 main(argc, argv) 63 int argc; 64 char **argv; 65 { 66 char res[256]; 67 int l; 68 69 sm_test_begin(argc, argv, "test fget"); 70 71 check("", strlen("")); 72 check("\n", strlen("\n")); 73 check("test\n", strlen("test\n")); 74 75 l = snprintf(res, sizeof(res), "%c%s\n", '\0', "test ing"); 76 check(res, l); 77 78 l = snprintf(res, sizeof(res), "%c%s%c\n", '\0', "test ing", '\0'); 79 check(res, l); 80 81 l = snprintf(res, sizeof(res), "%c%s%c%s\n", 82 '\0', "test ing", '\0', "eol"); 83 check(res, l); 84 85 return sm_test_end(); 86 } 87