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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2009 VMware, Inc. |
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| 4 | * Copyright 1999-2008 Brian Paul |
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| 5 | * All Rights Reserved. |
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| 6 | * |
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 8 | * copy of this software and associated documentation files (the |
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| 9 | * "Software"), to deal in the Software without restriction, including |
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| 10 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 11 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 12 | * permit persons to whom the Software is furnished to do so, subject to |
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| 13 | * the following conditions: |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 21 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 22 | * |
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| 23 | * The above copyright notice and this permission notice (including the |
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| 24 | * next paragraph) shall be included in all copies or substantial portions |
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| 25 | * of the Software. |
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| 26 | * |
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| 27 | **************************************************************************/ |
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| 28 | |||
| 29 | |||
| 30 | #include "pipe/p_config.h" |
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| 31 | #include "pipe/p_compiler.h" |
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| 32 | |||
| 33 | #if defined(PIPE_OS_UNIX) |
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| 34 | #include |
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| 35 | #endif |
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| 36 | #if defined(PIPE_OS_WINDOWS) |
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| 37 | #include |
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| 38 | #endif |
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| 39 | |||
| 40 | #include "u_dl.h" |
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| 41 | #include "u_pointer.h" |
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| 42 | |||
| 43 | |||
| 44 | struct util_dl_library * |
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| 45 | util_dl_open(const char *filename) |
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| 46 | { |
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| 47 | #if defined(PIPE_OS_UNIX) |
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| 48 | return (struct util_dl_library *)dlopen(filename, RTLD_LAZY | RTLD_GLOBAL); |
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| 49 | #elif defined(PIPE_OS_WINDOWS) |
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| 50 | return (struct util_dl_library *)LoadLibraryA(filename); |
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| 51 | #else |
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| 52 | return NULL; |
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| 53 | #endif |
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| 54 | } |
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| 55 | |||
| 56 | |||
| 57 | util_dl_proc |
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| 58 | util_dl_get_proc_address(struct util_dl_library *library, |
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| 59 | const char *procname) |
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| 60 | { |
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| 61 | #if defined(PIPE_OS_UNIX) |
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| 62 | return (util_dl_proc) pointer_to_func(dlsym((void *)library, procname)); |
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| 63 | #elif defined(PIPE_OS_WINDOWS) |
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| 64 | return (util_dl_proc)GetProcAddress((HMODULE)library, procname); |
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| 65 | #else |
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| 66 | return (util_dl_proc)NULL; |
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| 67 | #endif |
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| 68 | } |
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| 69 | |||
| 70 | |||
| 71 | void |
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| 72 | util_dl_close(struct util_dl_library *library) |
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| 73 | { |
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| 74 | #if defined(PIPE_OS_UNIX) |
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| 75 | dlclose((void *)library); |
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| 76 | #elif defined(PIPE_OS_WINDOWS) |
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| 77 | FreeLibrary((HMODULE)library); |
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| 78 | #else |
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| 79 | (void)library; |
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| 80 | #endif |
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| 81 | } |
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| 82 | |||
| 83 | |||
| 84 | const char * |
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| 85 | util_dl_error(void) |
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| 86 | { |
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| 87 | #if defined(PIPE_OS_UNIX) |
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| 88 | return dlerror(); |
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| 89 | #elif defined(PIPE_OS_WINDOWS) |
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| 90 | return "unknown error"; |
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| 91 | #else |
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| 92 | return "unknown error"; |
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| 93 | #endif |
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| 94 | } |