Mercurial > sdl-ios-xcode
annotate test/testloadso.c @ 3906:e3bf970d9494 SDL-1.2
Updated svn repository
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 23 Jan 2007 04:47:11 +0000 |
parents | f1699aecb65d |
children | 2c835d58faad |
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3892
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Added a test program for loadso subsystem.
Ryan C. Gordon <icculus@icculus.org>
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1 |
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2 /* Test program to test dynamic loading with the loadso subsystem. |
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3 */ |
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4 |
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5 #include <stdio.h> |
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6 #include <stdlib.h> |
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7 |
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8 #include "SDL.h" |
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9 |
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10 typedef int (*fntype)(const char *); |
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11 |
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12 int main(int argc, char *argv[]) |
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13 { |
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14 int retval = 0; |
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15 int hello = 0; |
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16 const char *libname = NULL; |
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17 const char *symname = NULL; |
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18 void *lib = NULL; |
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19 fntype fn = NULL; |
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20 |
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21 if (argc != 3) { |
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22 const char *app = argv[0]; |
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23 fprintf(stderr, "USAGE: %s <library> <functionname>\n", app); |
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24 fprintf(stderr, " %s --hello <lib with puts()>\n", app); |
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25 return 1; |
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26 } |
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27 |
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28 /* Initialize SDL */ |
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29 if ( SDL_Init(0) < 0 ) { |
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30 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
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31 return 2; |
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32 } |
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33 |
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34 if (strcmp(argv[1], "--hello") == 0) { |
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35 hello = 1; |
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36 libname = argv[2]; |
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37 symname = "puts"; |
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38 } else { |
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39 libname = argv[1]; |
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40 symname = argv[2]; |
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41 } |
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42 |
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43 lib = SDL_LoadObject(libname); |
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44 if (lib == NULL) { |
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45 fprintf(stderr, "SDL_LoadObject('%s') failed: %s\n", |
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46 libname, SDL_GetError()); |
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47 retval = 3; |
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48 } else { |
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49 fn = (fntype) SDL_LoadFunction(lib, symname); |
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50 if (fn == NULL) { |
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51 fprintf(stderr, "SDL_LoadFunction('%s') failed: %s\n", |
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52 symname, SDL_GetError()); |
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53 retval = 4; |
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54 } else { |
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55 printf("Found %s in %s at %p\n", symname, libname, fn); |
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56 if (hello) { |
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57 printf("Calling function...\n"); |
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58 fflush(stdout); |
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59 fn(" HELLO, WORLD!\n"); |
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60 printf("...apparently, we survived. :)\n"); |
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61 printf("Unloading library...\n"); |
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62 fflush(stdout); |
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63 } |
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64 } |
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65 SDL_UnloadObject(lib); |
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66 } |
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67 SDL_Quit(); |
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68 return(0); |
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69 } |
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70 |
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71 |