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annotate test/testloadso.c @ 2067:dcdb175c2829

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Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 07 Nov 2006 14:36:47 +0000
parents
children f16a7d02a176
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2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
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1
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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2 /* Test program to test dynamic loading with the loadso subsystem.
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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3 */
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4
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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5 #include <stdio.h>
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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6 #include <stdlib.h>
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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7
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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8 #include "SDL.h"
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9
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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10 typedef int (*fntype)(const char *);
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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11
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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12 int main(int argc, char *argv[])
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13 {
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14 int retval = 0;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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15 int hello = 0;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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16 const char *libname = NULL;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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17 const char *symname = NULL;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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18 void *lib = NULL;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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19 fntype fn = NULL;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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20
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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21 if (argc != 3) {
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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22 fprintf(stderr, "USAGE: %s <library> <functionname>\n");
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23 fprintf(stderr, " %s --hello <library with puts()>\n");
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24 return 1;
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25 }
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26
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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27 /* Initialize SDL */
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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28 if ( SDL_Init(0) < 0 ) {
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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29 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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30 return 2;
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31 }
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32
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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33 if (strcmp(argv[1], "--hello") == 0) {
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34 hello = 1;
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35 libname = argv[2];
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36 symname = "puts";
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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37 } else {
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38 libname = argv[1];
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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39 symname = argv[2];
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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40 }
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41
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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42 lib = SDL_LoadObject(libname);
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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43 if (lib == NULL) {
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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44 fprintf(stderr, "SDL_LoadObject('%s') failed: %s\n",
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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45 libname, SDL_GetError());
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46 retval = 3;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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47 } else {
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48 fn = (fntype) SDL_LoadFunction(lib, symname);
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49 if (fn == NULL) {
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50 fprintf(stderr, "SDL_LoadFunction('%s') failed: %s\n",
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51 symname, SDL_GetError());
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52 retval = 4;
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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53 } else {
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54 printf("Found %s in %s at %p\n", symname, libname);
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55 if (hello) {
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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56 printf("Calling function...\n");
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57 fflush(stdout);
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58 fn(" HELLO, WORLD!\n");
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59 printf("...apparently, we survived. :)\n");
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60 printf("Unloading library...\n");
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61 fflush(stdout);
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62 }
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63 }
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64 SDL_UnloadObject(lib);
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65 }
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66 SDL_Quit();
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67 return(0);
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68 }
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