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| 24 | #include "xinput.h" |
| 25 | |
| 26 | |
| 27 | int |
| 28 | get_button_map(Display *display, |
| 29 | int argc, |
| 30 | char *argv[], |
| 31 | char *name, |
| 32 | char *desc) |
| 33 | { |
| 34 | XDeviceInfo *info; |
| 35 | XDevice *device; |
| 36 | XAnyClassPtr ip; |
| 37 | int i; |
| 38 | int nbuttons; |
| 39 | |
| 40 | if (argc != 1) { |
| 1 | Assuming 'argc' is equal to 1 | |
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| |
| 41 | fprintf(stderr__stderrp, "usage: xinput %s %s\n", name, desc); |
| 42 | return EXIT_FAILURE1; |
| 43 | } |
| 44 | |
| 45 | info = find_device_info(display, argv[0], False0); |
| 46 | |
| 47 | if (!info) { |
| 3 | | Assuming 'info' is non-null | |
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| |
| 48 | fprintf(stderr__stderrp, "unable to find device '%s'\n", argv[0]); |
| 49 | return EXIT_FAILURE1; |
| 50 | } |
| 51 | |
| 52 | ip = (XAnyClassPtr) info->inputclassinfo; |
| 53 | nbuttons = 0; |
| 54 | |
| 55 | |
| 56 | for(i=0; i<info->num_classes; i++) { |
| 5 | | Loop condition is true. Entering loop body | |
|
| 57 | if (ip->class == ButtonClass1) { |
| |
| 58 | nbuttons = ((XButtonInfoPtr)ip)->num_buttons; |
| 59 | break; |
| 7 | | Execution continues on line 63 | |
|
| 60 | } |
| 61 | ip = (XAnyClassPtr) ((char *) ip + ip->length); |
| 62 | } |
| 63 | if (nbuttons == 0) { |
| 8 | | Assuming 'nbuttons' is not equal to 0 | |
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| |
| 64 | fprintf(stderr__stderrp, "device has no buttons\n"); |
| 65 | return EXIT_FAILURE1; |
| 66 | } |
| 67 | |
| 68 | device = XOpenDevice(display, info->id); |
| 69 | if (device) { |
| 10 | | Assuming 'device' is non-null | |
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| |
| 70 | int idx; |
| 71 | unsigned char *map; |
| 72 | |
| 73 | map = (unsigned char *) malloc(sizeof(unsigned char) * nbuttons); |
| |
| 74 | |
| 75 | XGetDeviceButtonMapping(display, device, map, nbuttons); |
| 76 | |
| 77 | for(idx=1; idx < nbuttons + 1; idx++) { |
| 13 | | Loop condition is false. Execution continues on line 80 | |
|
| 78 | printf("%d ", map[idx - 1]); |
| 79 | } |
| 80 | printf("\n"); |
| 14 | | Potential leak of memory pointed to by 'map' |
|
| 81 | XCloseDevice(display, device); |
| 82 | return EXIT_SUCCESS0; |
| 83 | } else { |
| 84 | fprintf(stderr__stderrp, "Unable to open device\n"); |
| 85 | return EXIT_FAILURE1; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | |
| 90 | |
| 91 | int |
| 92 | set_button_map(Display *display, |
| 93 | int argc, |
| 94 | char *argv[], |
| 95 | char *name, |
| 96 | char *desc) |
| 97 | { |
| 98 | XDeviceInfo *info; |
| 99 | XDevice *device; |
| 100 | XAnyClassPtr ip; |
| 101 | int i; |
| 102 | int nbuttons; |
| 103 | |
| 104 | if (argc < 2) { |
| 105 | fprintf(stderr__stderrp, "usage: xinput %s %s\n", name, desc); |
| 106 | return EXIT_FAILURE1; |
| 107 | } |
| 108 | |
| 109 | info = find_device_info(display, argv[0], False0); |
| 110 | |
| 111 | if (!info) { |
| 112 | fprintf(stderr__stderrp, "unable to find device '%s'\n", argv[0]); |
| 113 | return EXIT_FAILURE1; |
| 114 | } |
| 115 | |
| 116 | ip = (XAnyClassPtr) info->inputclassinfo; |
| 117 | nbuttons = 0; |
| 118 | |
| 119 | |
| 120 | for(i=0; i<info->num_classes; i++) { |
| 121 | if (ip->class == ButtonClass1) { |
| 122 | nbuttons = ((XButtonInfoPtr)ip)->num_buttons; |
| 123 | break; |
| 124 | } |
| 125 | ip = (XAnyClassPtr) ((char *) ip + ip->length); |
| 126 | } |
| 127 | if (nbuttons == 0) { |
| 128 | fprintf(stderr__stderrp, "device has no buttons\n"); |
| 129 | return EXIT_FAILURE1; |
| 130 | } |
| 131 | |
| 132 | device = XOpenDevice(display, info->id); |
| 133 | if (device) { |
| 134 | int idx; |
| 135 | unsigned char *map; |
| 136 | int min; |
| 137 | |
| 138 | map = (unsigned char *) malloc(sizeof(unsigned char) * nbuttons); |
| 139 | |
| 140 | XGetDeviceButtonMapping(display, device, map, nbuttons); |
| 141 | |
| 142 | min = (argc > nbuttons + 1) ? nbuttons + 1 : argc; |
| 143 | |
| 144 | for(idx=1; idx < min; idx++) { |
| 145 | map[idx - 1] = atoi(argv[idx]); |
| 146 | } |
| 147 | XSetDeviceButtonMapping(display, device, map, nbuttons); |
| 148 | XCloseDevice(display, device); |
| 149 | return EXIT_SUCCESS0; |
| 150 | } else { |
| 151 | fprintf(stderr__stderrp, "Unable to open device\n"); |
| 152 | return EXIT_FAILURE1; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | |