| File: | src/xkb/XKBGetByName.c |
| Location: | line 138, column 9 |
| Description: | Value stored to 'str' is never read |
| 1 | /************************************************************ |
| 2 | Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc. |
| 3 | |
| 4 | Permission to use, copy, modify, and distribute this |
| 5 | software and its documentation for any purpose and without |
| 6 | fee is hereby granted, provided that the above copyright |
| 7 | notice appear in all copies and that both that copyright |
| 8 | notice and this permission notice appear in supporting |
| 9 | documentation, and that the name of Silicon Graphics not be |
| 10 | used in advertising or publicity pertaining to distribution |
| 11 | of the software without specific prior written permission. |
| 12 | Silicon Graphics makes no representation about the suitability |
| 13 | of this software for any purpose. It is provided "as is" |
| 14 | without any express or implied warranty. |
| 15 | |
| 16 | SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS |
| 17 | SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
| 18 | AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON |
| 19 | GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 20 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 21 | DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE |
| 22 | OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| 23 | THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 24 | |
| 25 | ********************************************************/ |
| 26 | |
| 27 | #define NEED_MAP_READERS |
| 28 | #ifdef HAVE_CONFIG_H1 |
| 29 | #include <config.h> |
| 30 | #endif |
| 31 | #include "Xlibint.h" |
| 32 | #include <X11/extensions/XKBproto.h> |
| 33 | #include "XKBlibint.h" |
| 34 | |
| 35 | /***====================================================================***/ |
| 36 | |
| 37 | XkbDescPtr |
| 38 | XkbGetKeyboardByName(Display *dpy, |
| 39 | unsigned deviceSpec, |
| 40 | XkbComponentNamesPtr names, |
| 41 | unsigned want, |
| 42 | unsigned need, |
| 43 | Boolint load) |
| 44 | { |
| 45 | register xkbGetKbdByNameReq *req; |
| 46 | xkbGetKbdByNameReply rep; |
| 47 | int len, extraLen = 0; |
| 48 | char *str; |
| 49 | XkbDescPtr xkb; |
| 50 | int mapLen, codesLen, typesLen, compatLen; |
| 51 | int symsLen, geomLen; |
| 52 | XkbInfoPtr xkbi; |
| 53 | |
| 54 | if ((dpy == NULL((void*)0)) || (dpy->flags & XlibDisplayNoXkb(1L << 2)) || |
| 55 | (!dpy->xkb_info && !XkbUseExtension(dpy, NULL((void*)0), NULL((void*)0)))) |
| 56 | return NULL((void*)0); |
| 57 | |
| 58 | xkbi = dpy->xkb_info; |
| 59 | xkb = (XkbDescRec *) _XkbCalloc(1, sizeof(XkbDescRec))calloc((((1)) == 0 ? 1 : ((1))), ((sizeof(XkbDescRec)))); |
| 60 | if (!xkb) |
| 61 | return NULL((void*)0); |
| 62 | xkb->device_spec = deviceSpec; |
| 63 | xkb->map = (XkbClientMapRec *) _XkbCalloc(1, sizeof(XkbClientMapRec))calloc((((1)) == 0 ? 1 : ((1))), ((sizeof(XkbClientMapRec)))); |
| 64 | xkb->dpy = dpy; |
| 65 | |
| 66 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 67 | GetReq(kbGetKbdByName, req)req = (xkbGetKbdByNameReq *) _XGetRequest(dpy, 23, 12); |
| 68 | req->reqType = xkbi->codes->major_opcode; |
| 69 | req->xkbReqType = X_kbGetKbdByName23; |
| 70 | req->deviceSpec = xkb->device_spec; |
| 71 | req->want = want; |
| 72 | req->need = need; |
| 73 | req->load = load; |
| 74 | |
| 75 | mapLen = codesLen = typesLen = compatLen = symsLen = geomLen = 0; |
| 76 | if (names) { |
| 77 | if (names->keymap) |
| 78 | mapLen = (int) strlen(names->keymap); |
| 79 | if (names->keycodes) |
| 80 | codesLen = (int) strlen(names->keycodes); |
| 81 | if (names->types) |
| 82 | typesLen = (int) strlen(names->types); |
| 83 | if (names->compat) |
| 84 | compatLen = (int) strlen(names->compat); |
| 85 | if (names->symbols) |
| 86 | symsLen = (int) strlen(names->symbols); |
| 87 | if (names->geometry) |
| 88 | geomLen = (int) strlen(names->geometry); |
| 89 | if (mapLen > 255) |
| 90 | mapLen = 255; |
| 91 | if (codesLen > 255) |
| 92 | codesLen = 255; |
| 93 | if (typesLen > 255) |
| 94 | typesLen = 255; |
| 95 | if (compatLen > 255) |
| 96 | compatLen = 255; |
| 97 | if (symsLen > 255) |
| 98 | symsLen = 255; |
| 99 | if (geomLen > 255) |
| 100 | geomLen = 255; |
| 101 | } |
| 102 | else |
| 103 | mapLen = codesLen = typesLen = compatLen = symsLen = geomLen = 0; |
| 104 | |
| 105 | len = mapLen + codesLen + typesLen + compatLen + symsLen + geomLen + 6; |
| 106 | len = XkbPaddedSize(len)((((unsigned int)(len)+3) >> 2) << 2); |
| 107 | req->length += len / 4; |
| 108 | BufAlloc(char *, str, len)if (dpy->bufptr + (len) > dpy->bufmax) _XFlush (dpy) ; str = (char *) dpy->bufptr; __builtin___memset_chk (str, '\0', len, __builtin_object_size (str, 0)); dpy->bufptr += (len);; |
| 109 | |
| 110 | *str++ = mapLen; |
| 111 | if (mapLen > 0) { |
| 112 | memcpy(str, names->keymap, mapLen)__builtin___memcpy_chk (str, names->keymap, mapLen, __builtin_object_size (str, 0)); |
| 113 | str += mapLen; |
| 114 | } |
| 115 | *str++ = codesLen; |
| 116 | if (codesLen > 0) { |
| 117 | memcpy(str, names->keycodes, codesLen)__builtin___memcpy_chk (str, names->keycodes, codesLen, __builtin_object_size (str, 0)); |
| 118 | str += codesLen; |
| 119 | } |
| 120 | *str++ = typesLen; |
| 121 | if (typesLen > 0) { |
| 122 | memcpy(str, names->types, typesLen)__builtin___memcpy_chk (str, names->types, typesLen, __builtin_object_size (str, 0)); |
| 123 | str += typesLen; |
| 124 | } |
| 125 | *str++ = compatLen; |
| 126 | if (compatLen > 0) { |
| 127 | memcpy(str, names->compat, compatLen)__builtin___memcpy_chk (str, names->compat, compatLen, __builtin_object_size (str, 0)); |
| 128 | str += compatLen; |
| 129 | } |
| 130 | *str++ = symsLen; |
| 131 | if (symsLen > 0) { |
| 132 | memcpy(str, names->symbols, symsLen)__builtin___memcpy_chk (str, names->symbols, symsLen, __builtin_object_size (str, 0)); |
| 133 | str += symsLen; |
| 134 | } |
| 135 | *str++ = geomLen; |
| 136 | if (geomLen > 0) { |
| 137 | memcpy(str, names->geometry, geomLen)__builtin___memcpy_chk (str, names->geometry, geomLen, __builtin_object_size (str, 0)); |
| 138 | str += geomLen; |
Value stored to 'str' is never read | |
| 139 | } |
| 140 | if ((!_XReply(dpy, (xReply *) &rep, 0, xFalse0)) || (!rep.reported)) |
| 141 | goto BAILOUT; |
| 142 | extraLen = (int) rep.length * 4; |
| 143 | |
| 144 | xkb->device_spec = rep.deviceID; |
| 145 | xkb->min_key_code = rep.minKeyCode; |
| 146 | xkb->max_key_code = rep.maxKeyCode; |
| 147 | if (rep.reported & (XkbGBN_SymbolsMask((1L << 2)|(1L << 3)) | XkbGBN_TypesMask(1L << 0))) { |
| 148 | xkbGetMapReply mrep; |
| 149 | Statusint status; |
| 150 | int nread = 0; |
| 151 | |
| 152 | _XRead(dpy, (char *) &mrep, SIZEOF(xkbGetMapReply)40); |
| 153 | extraLen -= SIZEOF(xkbGetMapReply)40; |
| 154 | status = _XkbReadGetMapReply(dpy, &mrep, xkb, &nread); |
| 155 | extraLen -= nread; |
| 156 | if (status != Success0) |
| 157 | goto BAILOUT; |
| 158 | } |
| 159 | if (rep.reported & XkbGBN_CompatMapMask(1L << 1)) { |
| 160 | xkbGetCompatMapReply crep; |
| 161 | Statusint status; |
| 162 | int nread = 0; |
| 163 | |
| 164 | _XRead(dpy, (char *) &crep, SIZEOF(xkbGetCompatMapReply)32); |
| 165 | extraLen -= SIZEOF(xkbGetCompatMapReply)32; |
| 166 | status = _XkbReadGetCompatMapReply(dpy, &crep, xkb, &nread); |
| 167 | extraLen -= nread; |
| 168 | if (status != Success0) |
| 169 | goto BAILOUT; |
| 170 | } |
| 171 | if (rep.reported & XkbGBN_IndicatorMapMask(1L << 4)) { |
| 172 | xkbGetIndicatorMapReply irep; |
| 173 | Statusint status; |
| 174 | int nread = 0; |
| 175 | |
| 176 | _XRead(dpy, (char *) &irep, SIZEOF(xkbGetIndicatorMapReply)32); |
| 177 | extraLen -= SIZEOF(xkbGetIndicatorMapReply)32; |
| 178 | status = _XkbReadGetIndicatorMapReply(dpy, &irep, xkb, &nread); |
| 179 | extraLen -= nread; |
| 180 | if (status != Success0) |
| 181 | goto BAILOUT; |
| 182 | } |
| 183 | if (rep.reported & (XkbGBN_KeyNamesMask(1L << 5) | XkbGBN_OtherNamesMask(1L << 7))) { |
| 184 | xkbGetNamesReply nrep; |
| 185 | Statusint status; |
| 186 | int nread = 0; |
| 187 | |
| 188 | _XRead(dpy, (char *) &nrep, SIZEOF(xkbGetNamesReply)32); |
| 189 | extraLen -= SIZEOF(xkbGetNamesReply)32; |
| 190 | status = _XkbReadGetNamesReply(dpy, &nrep, xkb, &nread); |
| 191 | extraLen -= nread; |
| 192 | if (status != Success0) |
| 193 | goto BAILOUT; |
| 194 | } |
| 195 | if (rep.reported & XkbGBN_GeometryMask(1L << 6)) { |
| 196 | xkbGetGeometryReply grep; |
| 197 | Statusint status; |
| 198 | int nread = 0; |
| 199 | |
| 200 | _XRead(dpy, (char *) &grep, SIZEOF(xkbGetGeometryReply)32); |
| 201 | extraLen -= SIZEOF(xkbGetGeometryReply)32; |
| 202 | status = _XkbReadGetGeometryReply(dpy, &grep, xkb, &nread); |
| 203 | extraLen -= nread; |
| 204 | if (status != Success0) |
| 205 | goto BAILOUT; |
| 206 | } |
| 207 | if (extraLen > 0) |
| 208 | goto BAILOUT; |
| 209 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 210 | SyncHandle()if (dpy->synchandler) (*dpy->synchandler)(dpy); |
| 211 | return xkb; |
| 212 | BAILOUT: |
| 213 | if (xkb != NULL((void*)0)) |
| 214 | XkbFreeKeyboard(xkb, XkbAllComponentsMask(0x7f), xTrue1); |
| 215 | if (extraLen > 0) |
| 216 | _XEatData(dpy, extraLen); |
| 217 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 218 | SyncHandle()if (dpy->synchandler) (*dpy->synchandler)(dpy); |
| 219 | return NULL((void*)0); |
| 220 | } |
| 221 | |
| 222 | XkbDescPtr |
| 223 | XkbGetKeyboard(Display *dpy, unsigned which, unsigned deviceSpec) |
| 224 | { |
| 225 | return XkbGetKeyboardByName(dpy, deviceSpec, NULL((void*)0), which, which, False0); |
| 226 | } |