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| Rev | Author | Line No. | Line |
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| 3756 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2008 Jiri Svoboda |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <stdio.h> |
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| 30 | #include <stdlib.h> |
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| 31 | #include <errno.h> |
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| 32 | #include "../tester.h" |
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| 33 | |||
| 34 | #define BUF_SIZE 32 |
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| 35 | static char buf[BUF_SIZE + 1]; |
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| 36 | |||
| 37 | char * test_stdio1(bool quiet) |
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| 38 | { |
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| 39 | FILE *f; |
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| 40 | char *file_name = "/readme"; |
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| 41 | size_t n; |
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| 3757 | svoboda | 42 | int c; |
| 3756 | svoboda | 43 | |
| 44 | printf("Open file '%s'\n", file_name); |
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| 45 | errno = 0; |
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| 46 | f = fopen(file_name, "rt"); |
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| 47 | |||
| 48 | if (f == NULL) printf("errno = %d\n", errno); |
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| 49 | |||
| 50 | if (f == NULL) |
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| 51 | return "Failed opening file."; |
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| 52 | |||
| 53 | n = fread(buf, 1, BUF_SIZE, f); |
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| 54 | if (ferror(f)) { |
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| 55 | fclose(f); |
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| 56 | return "Failed reading file."; |
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| 57 | } |
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| 58 | |||
| 59 | printf("Read %d bytes.\n", n); |
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| 60 | |||
| 61 | buf[n] = '\0'; |
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| 62 | printf("Read string '%s'.\n", buf); |
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| 63 | |||
| 3757 | svoboda | 64 | printf("Seek to beginning.\n"); |
| 65 | if (fseek(f, 0, SEEK_SET) != 0) { |
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| 66 | fclose(f); |
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| 67 | return "Failed seeking."; |
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| 68 | } |
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| 3756 | svoboda | 69 | |
| 3757 | svoboda | 70 | printf("Read using fgetc().\n"); |
| 71 | while (true) { |
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| 72 | c = fgetc(f); |
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| 73 | if (c == EOF) break; |
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| 74 | |||
| 75 | printf("'%c'", c); |
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| 76 | } |
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| 77 | |||
| 78 | printf("[EOF]\n"); |
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| 79 | printf("Closing.\n"); |
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| 80 | |||
| 81 | if (fclose(f) != 0) |
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| 82 | return "Failed closing."; |
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| 83 | |||
| 3756 | svoboda | 84 | return NULL; |
| 85 | } |