File: | mi/mifillrct.c |
Location: | line 103, column 16 |
Description: | Call to 'malloc' has an allocation size of 0 bytes |
1 | /*********************************************************** | |||
2 | ||||
3 | Copyright 1987, 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 in | |||
12 | all copies or substantial portions of the Software. | |||
13 | ||||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |||
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |||
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |||
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
20 | ||||
21 | Except as contained in this notice, the name of The Open Group shall not be | |||
22 | used in advertising or otherwise to promote the sale, use or other dealings | |||
23 | in this Software without prior written authorization from The Open Group. | |||
24 | ||||
25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. | |||
26 | ||||
27 | All Rights Reserved | |||
28 | ||||
29 | Permission to use, copy, modify, and distribute this software and its | |||
30 | documentation for any purpose and without fee is hereby granted, | |||
31 | provided that the above copyright notice appear in all copies and that | |||
32 | both that copyright notice and this permission notice appear in | |||
33 | supporting documentation, and that the name of Digital not be | |||
34 | used in advertising or publicity pertaining to distribution of the | |||
35 | software without specific, written prior permission. | |||
36 | ||||
37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |||
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |||
39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |||
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |||
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |||
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |||
43 | SOFTWARE. | |||
44 | ||||
45 | ******************************************************************/ | |||
46 | ||||
47 | #ifdef HAVE_DIX_CONFIG_H1 | |||
48 | #include <dix-config.h> | |||
49 | #endif | |||
50 | ||||
51 | #include <X11/X.h> | |||
52 | #include <X11/Xprotostr.h> | |||
53 | #include "gcstruct.h" | |||
54 | #include "windowstr.h" | |||
55 | #include "pixmap.h" | |||
56 | #include "mi.h" | |||
57 | #include "misc.h" | |||
58 | ||||
59 | /* mi rectangles | |||
60 | written by newman, with debts to all and sundry | |||
61 | */ | |||
62 | ||||
63 | /* MIPOLYFILLRECT -- public entry for PolyFillRect request | |||
64 | * very straight forward: translate rectangles if necessary | |||
65 | * then call FillSpans to fill each rectangle. We let FillSpans worry about | |||
66 | * clipping to the destination | |||
67 | */ | |||
68 | _X_COLD__attribute__((__cold__)) void | |||
69 | miPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, int nrectFill, /* number of rectangles to fill */ | |||
70 | xRectangle *prectInit /* Pointer to first rectangle to fill */ | |||
71 | ) | |||
72 | { | |||
73 | int i; | |||
74 | int height; | |||
75 | int width; | |||
76 | xRectangle *prect; | |||
77 | int xorg; | |||
78 | int yorg; | |||
79 | int maxheight; | |||
80 | DDXPointPtr pptFirst; | |||
81 | DDXPointPtr ppt; | |||
82 | int *pwFirst; | |||
83 | int *pw; | |||
84 | ||||
85 | if (pGC->miTranslate) { | |||
| ||||
86 | xorg = pDrawable->x; | |||
87 | yorg = pDrawable->y; | |||
88 | prect = prectInit; | |||
89 | maxheight = 0; | |||
90 | for (i = 0; i < nrectFill; i++, prect++) { | |||
91 | prect->x += xorg; | |||
92 | prect->y += yorg; | |||
93 | maxheight = max(maxheight, prect->height)(((maxheight) > (prect->height)) ? (maxheight) : (prect ->height)); | |||
94 | } | |||
95 | } | |||
96 | else { | |||
97 | prect = prectInit; | |||
98 | maxheight = 0; | |||
99 | for (i = 0; i < nrectFill; i++, prect++) | |||
100 | maxheight = max(maxheight, prect->height)(((maxheight) > (prect->height)) ? (maxheight) : (prect ->height)); | |||
101 | } | |||
102 | ||||
103 | pptFirst = malloc(maxheight * sizeof(DDXPointRec)); | |||
| ||||
104 | pwFirst = malloc(maxheight * sizeof(int)); | |||
105 | if (!pptFirst || !pwFirst) { | |||
106 | free(pwFirst); | |||
107 | free(pptFirst); | |||
108 | return; | |||
109 | } | |||
110 | ||||
111 | prect = prectInit; | |||
112 | while (nrectFill--) { | |||
113 | ppt = pptFirst; | |||
114 | pw = pwFirst; | |||
115 | height = prect->height; | |||
116 | width = prect->width; | |||
117 | xorg = prect->x; | |||
118 | yorg = prect->y; | |||
119 | while (height--) { | |||
120 | *pw++ = width; | |||
121 | ppt->x = xorg; | |||
122 | ppt->y = yorg; | |||
123 | ppt++; | |||
124 | yorg++; | |||
125 | } | |||
126 | (*pGC->ops->FillSpans) (pDrawable, pGC, | |||
127 | prect->height, pptFirst, pwFirst, 1); | |||
128 | prect++; | |||
129 | } | |||
130 | free(pwFirst); | |||
131 | free(pptFirst); | |||
132 | } |