Mercurial > sdl-ios-xcode

annotate test/testloadso.c @ 4446:8b03a20b320f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Much improved multi-display support for iPad. Fixes most issues and limitations, I think.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 02 May 2010 05:08:12 -0400
parents 9de326b3099c
children
rev   line source
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
1
3338
9de326b3099c Fixed bug #817
Sam Lantinga <slouken@libsdl.org>
parents: 2120
diff changeset
2 /* Test program to test dynamic loading with the loadso subsystem.
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
3 */
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
4
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
5 #include <stdio.h>
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
6 #include <stdlib.h>
3338
9de326b3099c Fixed bug #817
Sam Lantinga <slouken@libsdl.org>
parents: 2120
diff changeset
7 #include <string.h>
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
8
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
9 #include "SDL.h"
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
10
2120
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
11 typedef int (*fntype) (const char *);
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
12
2120
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
13 int
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
14 main(int argc, char *argv[])
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
15 {
2120
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
16 int retval = 0;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
17 int hello = 0;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
18 const char *libname = NULL;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
19 const char *symname = NULL;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
20 void *lib = NULL;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
21 fntype fn = NULL;
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
22
2120
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
23 if (argc != 3) {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
24 const char *app = argv[0];
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
25 fprintf(stderr, "USAGE: %s <library> <functionname>\n", app);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
26 fprintf(stderr, " %s --hello <lib with puts()>\n", app);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
27 return 1;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
28 }
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
29
2120
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
30 /* Initialize SDL */
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
31 if (SDL_Init(0) < 0) {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
32 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
33 return 2;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
34 }
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
35
2120
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
36 if (strcmp(argv[1], "--hello") == 0) {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
37 hello = 1;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
38 libname = argv[2];
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
39 symname = "puts";
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
40 } else {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
41 libname = argv[1];
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
42 symname = argv[2];
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
43 }
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
44
2120
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
45 lib = SDL_LoadObject(libname);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
46 if (lib == NULL) {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
47 fprintf(stderr, "SDL_LoadObject('%s') failed: %s\n",
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
48 libname, SDL_GetError());
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
49 retval = 3;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
50 } else {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
51 fn = (fntype) SDL_LoadFunction(lib, symname);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
52 if (fn == NULL) {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
53 fprintf(stderr, "SDL_LoadFunction('%s') failed: %s\n",
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
54 symname, SDL_GetError());
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
55 retval = 4;
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
56 } else {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
57 printf("Found %s in %s at %p\n", symname, libname, fn);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
58 if (hello) {
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
59 printf("Calling function...\n");
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
60 fflush(stdout);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
61 fn(" HELLO, WORLD!\n");
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
62 printf("...apparently, we survived. :)\n");
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
63 printf("Unloading library...\n");
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
64 fflush(stdout);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
65 }
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
66 }
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
67 SDL_UnloadObject(lib);
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
68 }
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
69 SDL_Quit();
2c835d58faad make indent
Sam Lantinga <slouken@libsdl.org>
parents: 2068
diff changeset
70 return (0);
2067
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
71 }