| File: | src/xlibi18n/utf8Wrap.c |
| Location: | line 106, column 10 |
| Description: | Access to field 'methods' results in a dereference of a null pointer (loaded from variable 'fs') |
| 1 | /* | |||
| 2 | ||||
| 3 | Copyright 1991, 1998 The Open Group | |||
| 4 | ||||
| 5 | Permission to use, copy, modify, distribute, and sell this software and its | |||
| 6 | documentation for any purpose is hereby granted without fee, provided that | |||
| 7 | the above copyright notice appear in all copies and that both that | |||
| 8 | copyright notice and this permission notice appear in supporting | |||
| 9 | documentation. | |||
| 10 | ||||
| 11 | The above copyright notice and this permission notice shall be included | |||
| 12 | in all copies or substantial portions of the Software. | |||
| 13 | ||||
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |||
| 15 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |||
| 16 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |||
| 17 | IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR | |||
| 18 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |||
| 19 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |||
| 20 | OTHER DEALINGS IN THE SOFTWARE. | |||
| 21 | ||||
| 22 | Except as contained in this notice, the name of The Open Group shall | |||
| 23 | not be used in advertising or otherwise to promote the sale, use or | |||
| 24 | other dealings in this Software without prior written authorization | |||
| 25 | from The Open Group. | |||
| 26 | ||||
| 27 | */ | |||
| 28 | /* | |||
| 29 | * Copyright 1991 by the Open Software Foundation | |||
| 30 | * | |||
| 31 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
| 32 | * documentation for any purpose is hereby granted without fee, provided that | |||
| 33 | * the above copyright notice appear in all copies and that both that | |||
| 34 | * copyright notice and this permission notice appear in supporting | |||
| 35 | * documentation, and that the name of Open Software Foundation | |||
| 36 | * not be used in advertising or publicity pertaining to distribution of the | |||
| 37 | * software without specific, written prior permission. Open Software | |||
| 38 | * Foundation makes no representations about the suitability of this | |||
| 39 | * software for any purpose. It is provided "as is" without express or | |||
| 40 | * implied warranty. | |||
| 41 | * | |||
| 42 | * OPEN SOFTWARE FOUNDATION DISCLAIMS ALL WARRANTIES WITH REGARD TO | |||
| 43 | * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | |||
| 44 | * FITNESS, IN NO EVENT SHALL OPEN SOFTWARE FOUNDATIONN BE | |||
| 45 | * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
| 46 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |||
| 47 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |||
| 48 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
| 49 | * | |||
| 50 | * M. Collins OSF | |||
| 51 | */ | |||
| 52 | /* | |||
| 53 | * Copyright 2000 by Bruno Haible | |||
| 54 | * | |||
| 55 | * Permission to use, copy, modify, distribute, and sell this software | |||
| 56 | * and its documentation for any purpose is hereby granted without fee, | |||
| 57 | * provided that the above copyright notice appear in all copies and | |||
| 58 | * that both that copyright notice and this permission notice appear | |||
| 59 | * in supporting documentation, and that the name of Bruno Haible not | |||
| 60 | * be used in advertising or publicity pertaining to distribution of the | |||
| 61 | * software without specific, written prior permission. Bruno Haible | |||
| 62 | * makes no representations about the suitability of this software for | |||
| 63 | * any purpose. It is provided "as is" without express or implied | |||
| 64 | * warranty. | |||
| 65 | * | |||
| 66 | * Bruno Haible DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |||
| 67 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN | |||
| 68 | * NO EVENT SHALL Bruno Haible BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
| 69 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS | |||
| 70 | * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE | |||
| 71 | * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE | |||
| 72 | * OR PERFORMANCE OF THIS SOFTWARE. | |||
| 73 | */ | |||
| 74 | ||||
| 75 | #ifdef HAVE_CONFIG_H1 | |||
| 76 | #include <config.h> | |||
| 77 | #endif | |||
| 78 | #include "Xlibint.h" | |||
| 79 | #include "Xlcint.h" | |||
| 80 | ||||
| 81 | void | |||
| 82 | Xutf8DrawText( | |||
| 83 | Display *dpy, | |||
| 84 | Drawable d, | |||
| 85 | GC gc, | |||
| 86 | int x, | |||
| 87 | int y, | |||
| 88 | XmbTextItem *text_items, | |||
| 89 | int nitems) | |||
| 90 | { | |||
| 91 | register XFontSet fs = NULL((void*)0); | |||
| ||||
| 92 | register XmbTextItem *p = text_items; | |||
| 93 | register int i = nitems; | |||
| 94 | register int esc; | |||
| 95 | ||||
| 96 | /* ignore leading items with no fontset */ | |||
| 97 | while (i && !p->font_set) { | |||
| 98 | i--; | |||
| 99 | p++; | |||
| 100 | } | |||
| 101 | ||||
| 102 | for (; --i >= 0; p++) { | |||
| 103 | if (p->font_set) | |||
| 104 | fs = p->font_set; | |||
| 105 | x += p->delta; | |||
| 106 | esc = (*fs->methods->utf8_draw_string) (dpy, d, fs, gc, x, y, | |||
| ||||
| 107 | p->chars, p->nchars); | |||
| 108 | if (!esc) | |||
| 109 | esc = fs->methods->utf8_escapement (fs, p->chars, p->nchars); | |||
| 110 | x += esc; | |||
| 111 | } | |||
| 112 | } | |||
| 113 | ||||
| 114 | void | |||
| 115 | Xutf8DrawString( | |||
| 116 | Display *dpy, | |||
| 117 | Drawable d, | |||
| 118 | XFontSet font_set, | |||
| 119 | GC gc, | |||
| 120 | int x, | |||
| 121 | int y, | |||
| 122 | _Xconstconst char *text, | |||
| 123 | int text_len) | |||
| 124 | { | |||
| 125 | (void)(*font_set->methods->utf8_draw_string) (dpy, d, font_set, gc, x, y, | |||
| 126 | text, text_len); | |||
| 127 | } | |||
| 128 | ||||
| 129 | ||||
| 130 | void | |||
| 131 | Xutf8DrawImageString( | |||
| 132 | Display *dpy, | |||
| 133 | Drawable d, | |||
| 134 | XFontSet font_set, | |||
| 135 | GC gc, | |||
| 136 | int x, | |||
| 137 | int y, | |||
| 138 | _Xconstconst char *text, | |||
| 139 | int text_len) | |||
| 140 | { | |||
| 141 | (*font_set->methods->utf8_draw_image_string) (dpy, d, font_set, gc, x, y, | |||
| 142 | text, text_len); | |||
| 143 | } | |||
| 144 | ||||
| 145 | int | |||
| 146 | Xutf8TextEscapement( | |||
| 147 | XFontSet font_set, | |||
| 148 | _Xconstconst char *text, | |||
| 149 | int text_len) | |||
| 150 | { | |||
| 151 | return (*font_set->methods->utf8_escapement) (font_set, text, text_len); | |||
| 152 | } | |||
| 153 | ||||
| 154 | int | |||
| 155 | Xutf8TextExtents( | |||
| 156 | XFontSet font_set, | |||
| 157 | _Xconstconst char *text, | |||
| 158 | int text_len, | |||
| 159 | XRectangle *overall_ink_extents, | |||
| 160 | XRectangle *overall_logical_extents) | |||
| 161 | { | |||
| 162 | return (*font_set->methods->utf8_extents) (font_set, text, text_len, | |||
| 163 | overall_ink_extents, | |||
| 164 | overall_logical_extents); | |||
| 165 | } | |||
| 166 | ||||
| 167 | Statusint | |||
| 168 | Xutf8TextPerCharExtents( | |||
| 169 | XFontSet font_set, | |||
| 170 | _Xconstconst char *text, | |||
| 171 | int text_len, | |||
| 172 | XRectangle *ink_extents_buffer, | |||
| 173 | XRectangle *logical_extents_buffer, | |||
| 174 | int buffer_size, | |||
| 175 | int *num_chars, | |||
| 176 | XRectangle *max_ink_extents, | |||
| 177 | XRectangle *max_logical_extents) | |||
| 178 | { | |||
| 179 | return (*font_set->methods->utf8_extents_per_char) | |||
| 180 | (font_set, text, text_len, | |||
| 181 | ink_extents_buffer, logical_extents_buffer, | |||
| 182 | buffer_size, num_chars, max_ink_extents, max_logical_extents); | |||
| 183 | } |