gryf/wmaker
1
0
Fork 0
mirror of https://github.com/gryf/wmaker.git synced 2025-12-19 04:20:27 +01:00
Code Issues Projects Releases Wiki Activity

util: add proper check for null pointer in wmsetbg (Coverity #50198)

Browse Source 
As pointed by Coverity, it is possible that the variable 'image' remains
NULL in the function parseTexture, so this case must be checked
appropriately where it is used.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
This commit is contained in:
Christophe CURIS
2014-06-16 20:15:25 +02:00
committed by Carlos R. Mafra
parent 3250826215
commit 7c142f54d0
1 changed files with 7 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
util/wmsetbg.c
View File

@@ -526,9 +526,8 @@ static BackgroundTexture *parseTexture(RContext * rc, char *text)
rcolor.blue = 0;
}
/* for images with a transparent color */
if (image->data[3]) {
if (image && image->data[3])
RCombineImageWithColor(image, &rcolor);
}
switch (toupper(type[0])) {
case 'T':
@@ -539,8 +538,6 @@ static BackgroundTexture *parseTexture(RContext * rc, char *text)
RReleaseImage(image);
goto error;
}
if (image)
RReleaseImage(image);
texture->pixmap = pixmap;
texture->color = color;
@@ -560,6 +557,9 @@ static BackgroundTexture *parseTexture(RContext * rc, char *text)
texture->width = scrWidth;
texture->height = scrHeight;
if (!image)
break;
#ifdef USE_XINERAMA
if (xineInfo.count && ! xineStretch) {
int i;
@@ -575,10 +575,12 @@ static BackgroundTexture *parseTexture(RContext * rc, char *text)
#else /* !USE_XINERAMA */
applyImage(rc, texture, image, type[0], 0, 0, scrWidth, scrHeight);
#endif /* !USE_XINERAMA */
RReleaseImage(image);
}
break;
}
if (image)
RReleaseImage(image);
} else if (strcasecmp(type, "thgradient") == 0
|| strcasecmp(type, "tvgradient") == 0 || strcasecmp(type, "tdgradient") == 0) {
XColor color;