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annotate test/testfile.c @ 3899:081aecdb0911 SDL-1.2

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From: Gabriel Gambetta To: SDL Mailing List <sdl@libsdl.org> Date: Fri, 17 Nov 2006 00:39:29 -0200 Subject: [SDL] Alpha blending bug - fixed? It turns out mm5 never got the correct value. This failed : [...] "movd %1, %%mm5\n\t" : : "m" (amask), "m" (sf->Ashift) ); mm5 got 0xFF000018 instead of 0x00000018. However I did this : Uint32 ashift = sf->Ashift; [...] "movd %1, %%mm5\n\t" : : "m" (amask), "m" (ashift) ); and everything worked fine. The only thing I could find out was that ashift is 32-bit aligned but sf->Ashift isn't: printf("ashift %8X [%d]\n", &ashift, (int)(&ashift) % 4); printf("sf->Ashift %8X [%d]\n", &sf->Ashift, (int)(&sf->Ashift) % 4); ashift at BFF0E0C4 [0] sf->Ashift at 08AFB9CD [1] Could this be the problem? If it is, the fix is extremely trivial. Should I submit a patch? --Gabriel
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 21 Nov 2006 23:17:00 +0000
parents c2c327e8e781
children 782fd950bd46 c121d94672cb f86ced1837de
rev   line source
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2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
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1
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2 /* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */
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3
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b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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4 #include <stdlib.h>
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c2c327e8e781 Needed unistd.h for unlink()
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5 #include <unistd.h>
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6
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7 #include "SDL.h"
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8 #include "SDL_endian.h"
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9
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10
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11 #include <stdio.h>
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12
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13 /* WARNING ! those 2 files will be destroyed by this test program */
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14 #define FBASENAME1 "sdldata1" /* this file will be created during tests */
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15 #define FBASENAME2 "sdldata2" /* this file should not exists before starting test */
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17
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18 #ifndef NULL
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19 #define NULL ((void *)0)
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20 #endif
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21
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22 static void cleanup( void ) {
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23
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24 unlink(FBASENAME1);
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25 unlink(FBASENAME2);
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26 }
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27
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28 static void rwops_error_quit( unsigned line, SDL_RWops *rwops) {
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29
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30 printf("testfile.c(%d): failed\n",line);
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31 if (rwops) {
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32 rwops->close(rwops); /* This calls SDL_FreeRW(rwops); */
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33 }
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34 cleanup();
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35 exit(1); /* quit with rwops error (test failed) */
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36 }
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37
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
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38 #define RWOP_ERR_QUIT(x) rwops_error_quit( __LINE__, (x) )
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39
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41
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42 int main(int argc, char *argv[])
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43 {
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44 SDL_RWops *rwops = NULL;
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45 char test_buf[30];
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46
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47 cleanup();
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48
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49 /* test 1 : basic argument test: all those calls to SDL_RWFromFile should fail */
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50
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
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51 rwops = SDL_RWFromFile(NULL,NULL);
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52 if (rwops) RWOP_ERR_QUIT(rwops);
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07d2b0085ecd Whoops, missed one
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53 rwops = SDL_RWFromFile(NULL,"ab+");
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54 if (rwops) RWOP_ERR_QUIT(rwops);
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55 rwops = SDL_RWFromFile(NULL,"sldfkjsldkfj");
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56 if (rwops) RWOP_ERR_QUIT(rwops);
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57 rwops = SDL_RWFromFile("something","");
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58 if (rwops) RWOP_ERR_QUIT(rwops);
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59 rwops = SDL_RWFromFile("something",NULL);
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60 if (rwops) RWOP_ERR_QUIT(rwops);
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61 printf("test1 OK\n");
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62
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63 /* test 2 : check that inexistant file is not successfully opened/created when required */
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64 /* modes : r, r+ implie that file MUST exist
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65 modes : a, a+, w, w+ checks that it succeeds (file may not exists)
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66
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67 */
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68 rwops = SDL_RWFromFile(FBASENAME2,"rb"); /* this file doesn't exist that call must fail */
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69 if (rwops) RWOP_ERR_QUIT(rwops);
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70 rwops = SDL_RWFromFile(FBASENAME2,"rb+"); /* this file doesn't exist that call must fail */
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71 if (rwops) RWOP_ERR_QUIT(rwops);
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72 rwops = SDL_RWFromFile(FBASENAME2,"wb");
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73 if (!rwops) RWOP_ERR_QUIT(rwops);
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74 rwops->close(rwops); unlink(FBASENAME2);
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75 rwops = SDL_RWFromFile(FBASENAME2,"wb+");
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76 if (!rwops) RWOP_ERR_QUIT(rwops);
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77 rwops->close(rwops); unlink(FBASENAME2);
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78 rwops = SDL_RWFromFile(FBASENAME2,"ab");
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79 if (!rwops) RWOP_ERR_QUIT(rwops);
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80 rwops->close(rwops); unlink(FBASENAME2);
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81 rwops = SDL_RWFromFile(FBASENAME2,"ab+");
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82 if (!rwops) RWOP_ERR_QUIT(rwops);
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83 rwops->close(rwops); unlink(FBASENAME2);
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84 printf("test2 OK\n");
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85
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86 /* test 3 : creation, writing , reading, seeking,
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87 test : w mode, r mode, w+ mode
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88 */
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89 rwops = SDL_RWFromFile(FBASENAME1,"wb"); /* write only */
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90 if (!rwops) RWOP_ERR_QUIT(rwops);
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91 if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
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92 if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
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93 if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
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94 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
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95 if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* we are in write only mode */
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96 rwops->close(rwops);
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97
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98 rwops = SDL_RWFromFile(FBASENAME1,"rb"); /* read mode, file must exists */
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99 if (!rwops) RWOP_ERR_QUIT(rwops);
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100 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
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101 if (20!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
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102 if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
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103 if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
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104 if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
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105 if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
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106 if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
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107 if (2!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
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108 if (SDL_memcmp(test_buf,"12345678901234567890",20)) RWOP_ERR_QUIT(rwops);
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109 if (0!=rwops->write(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* readonly mode */
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110 rwops->close(rwops);
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111
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112 /* test 3: same with w+ mode */
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113 rwops = SDL_RWFromFile(FBASENAME1,"wb+"); /* write + read + truncation */
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114 if (!rwops) RWOP_ERR_QUIT(rwops);
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115 if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
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116 if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
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117 if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
118 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
119 if (1!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
120 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
121 if (20!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
122 if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
123 if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
124 if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
125 if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
126 if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
127 if (2!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
128 if (SDL_memcmp(test_buf,"12345678901234567890",20)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
129 rwops->close(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
130 printf("test3 OK\n");
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
131
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
132 /* test 4: same in r+ mode */
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
133 rwops = SDL_RWFromFile(FBASENAME1,"rb+"); /* write + read + file must exists, no truncation */
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134 if (!rwops) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135 if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 if (1!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 if (20!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 if (2!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 if (SDL_memcmp(test_buf,"12345678901234567890",20)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 rwops->close(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 printf("test4 OK\n");
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 /* test5 : append mode */
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 rwops = SDL_RWFromFile(FBASENAME1,"ab+"); /* write + read + append */
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 if (!rwops) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 if (1!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 if (20+27!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 if (27!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 if (3!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 if (SDL_memcmp(test_buf,"123456789012345678901234567123",30))
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 RWOP_ERR_QUIT(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 rwops->close(rwops);
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 printf("test5 OK\n");
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 cleanup();
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 return 0; /* all ok */
2eb75f8a32ca Date: Mon, 27 Feb 2006 17:01:43 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 }