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Fix many sparse warnings: Using plain integer as NULL pointer

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This commit is contained in:
Alan Coopersmith 2006-10-10 14:57:16 -07:00
parent b6b9f58855
commit 9df9640643
5 changed files with 85 additions and 85 deletions
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24
src/cursor.c
View file

@ -34,7 +34,7 @@ XcursorCursorsCreate (Display *dpy, int size)
cursors = malloc (sizeof (XcursorCursors) +
size * sizeof (Cursor));
if (!cursors)
return 0;
return NULL;
cursors->ref = 1;
cursors->dpy = dpy;
cursors->ncursor = 0;
@ -66,7 +66,7 @@ XcursorAnimateCreate (XcursorCursors *cursors)
animate = malloc (sizeof (XcursorAnimate));
if (!animate)
return 0;
return NULL;
animate->cursors = cursors;
cursors->ref++;
animate->sequence = 0;
@ -576,17 +576,17 @@ XcursorImageLoadCursor (Display *dpy, const XcursorImage *image)
ximage.red_mask = 0xff0000;
ximage.green_mask = 0x00ff00;
ximage.blue_mask = 0x0000ff;
ximage.obdata = 0;
ximage.obdata = NULL;
if (!XInitImage (&ximage))
return None;
pixmap = XCreatePixmap (dpy, RootWindow (dpy, screen),
image->width, image->height, 32);
gc = XCreateGC (dpy, pixmap, 0, 0);
gc = XCreateGC (dpy, pixmap, 0, NULL);
XPutImage (dpy, pixmap, gc, &ximage,
0, 0, 0, 0, image->width, image->height);
XFreeGC (dpy, gc);
format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
picture = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
picture = XRenderCreatePicture (dpy, pixmap, format, 0, NULL);
XFreePixmap (dpy, pixmap);
cursor = XRenderCreateCursor (dpy, picture,
image->xhot, image->yhot);
@ -602,13 +602,13 @@ XcursorImageLoadCursor (Display *dpy, const XcursorImage *image)
GC gc;
XGCValues gcv;
core.src_image = XCreateImage (dpy, 0, 1, ZPixmap,
0, 0, image->width, image->height,
core.src_image = XCreateImage (dpy, NULL, 1, ZPixmap,
0, NULL, image->width, image->height,
32, 0);
core.src_image->data = Xmalloc (image->height *
core.src_image->bytes_per_line);
core.msk_image = XCreateImage (dpy, 0, 1, ZPixmap,
0, 0, image->width, image->height,
core.msk_image = XCreateImage (dpy, NULL, 1, ZPixmap,
0, NULL, image->width, image->height,
32, 0);
core.msk_image->data = Xmalloc (image->height *
core.msk_image->bytes_per_line);
@ -678,14 +678,14 @@ XcursorImagesLoadCursors (Display *dpy, const XcursorImages *images)
int n;
if (!cursors)
return 0;
return NULL;
for (n = 0; n < images->nimage; n++)
{
cursors->cursors[n] = XcursorImageLoadCursor (dpy, images->images[n]);
if (!cursors->cursors[n])
{
XcursorCursorsDestroy (cursors);
return 0;
return NULL;
}
cursors->ncursor++;
}
@ -751,7 +751,7 @@ XcursorFilenameLoadCursors (Display *dpy, const char *file)
XcursorCursors *cursors;
if (!images)
return 0;
return NULL;
cursors = XcursorImagesLoadCursors (dpy, images);
XcursorImagesDestroy (images);
return cursors;

16
src/display.c
View file

@ -118,15 +118,15 @@ _XcursorGetDisplayInfo (Display *dpy)
return info;
info = (XcursorDisplayInfo *) malloc (sizeof (XcursorDisplayInfo));
if (!info)
return 0;
info->next = 0;
return NULL;
info->next = NULL;
info->display = dpy;
info->codes = XAddExtension (dpy);
if (!info->codes)
{
free (info);
return 0;
return NULL;
}
(void) XESetCloseDisplay (dpy, info->codes->extension, _XcursorCloseDisplay);
@ -200,8 +200,8 @@ _XcursorGetDisplayInfo (Display *dpy)
info->size = dim / 48;
}
info->theme = 0;
info->theme_from_config = 0;
info->theme = NULL;
info->theme_from_config = NULL;
/*
* Get the desired theme
@ -258,7 +258,7 @@ _XcursorGetDisplayInfo (Display *dpy)
info->theme_core = i;
}
info->fonts = 0;
info->fonts = NULL;
for (i = 0; i < NUM_BITMAPS; i++)
info->bitmaps[i].bitmap = None;
@ -343,7 +343,7 @@ XcursorSetTheme (Display *dpy, const char *theme)
strcpy (copy, theme);
}
else
copy = 0;
copy = NULL;
if (info->theme)
free (info->theme);
info->theme = copy;
@ -356,7 +356,7 @@ XcursorGetTheme (Display *dpy)
XcursorDisplayInfo *info = _XcursorGetDisplayInfo (dpy);
if (!info)
return 0;
return NULL;
return info->theme;
}

88
src/file.c
View file

@ -34,7 +34,7 @@ XcursorImageCreate (int width, int height)
image = malloc (sizeof (XcursorImage) +
width * height * sizeof (XcursorPixel));
if (!image)
return 0;
return NULL;
image->version = XCURSOR_IMAGE_VERSION;
image->pixels = (XcursorPixel *) (image + 1);
image->size = width > height ? width : height;
@ -58,10 +58,10 @@ XcursorImagesCreate (int size)
images = malloc (sizeof (XcursorImages) +
size * sizeof (XcursorImage *));
if (!images)
return 0;
return NULL;
images->nimage = 0;
images->images = (XcursorImage **) (images + 1);
images->name = 0;
images->name = NULL;
return images;
}
@ -105,11 +105,11 @@ XcursorCommentCreate (XcursorUInt comment_type, int length)
XcursorComment *comment;
if (length > XCURSOR_COMMENT_MAX_LEN)
return 0;
return NULL;
comment = malloc (sizeof (XcursorComment) + length + 1);
if (!comment)
return 0;
return NULL;
comment->version = XCURSOR_COMMENT_VERSION;
comment->comment_type = comment_type;
comment->comment = (char *) (comment + 1);
@ -131,7 +131,7 @@ XcursorCommentsCreate (int size)
comments = malloc (sizeof (XcursorComments) +
size * sizeof (XcursorComment *));
if (!comments)
return 0;
return NULL;
comments->ncomment = 0;
comments->comments = (XcursorComment **) (comments + 1);
return comments;
@ -212,11 +212,11 @@ _XcursorFileHeaderCreate (int ntoc)
XcursorFileHeader *fileHeader;
if (ntoc > 0x10000)
return 0;
return NULL;
fileHeader = malloc (sizeof (XcursorFileHeader) +
ntoc * sizeof (XcursorFileToc));
if (!fileHeader)
return 0;
return NULL;
fileHeader->magic = XCURSOR_MAGIC;
fileHeader->header = XCURSOR_FILE_HEADER_LEN;
fileHeader->version = XCURSOR_FILE_VERSION;
@ -236,22 +236,22 @@ _XcursorReadFileHeader (XcursorFile *file)
return NULL;
if (!_XcursorReadUInt (file, &head.magic))
return 0;
return NULL;
if (head.magic != XCURSOR_MAGIC)
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.header))
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.version))
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.ntoc))
return 0;
return NULL;
skip = head.header - XCURSOR_FILE_HEADER_LEN;
if (skip)
if ((*file->seek) (file, skip, SEEK_CUR) == EOF)
return 0;
return NULL;
fileHeader = _XcursorFileHeaderCreate (head.ntoc);
if (!fileHeader)
return 0;
return NULL;
fileHeader->magic = head.magic;
fileHeader->header = head.header;
fileHeader->version = head.version;
@ -268,7 +268,7 @@ _XcursorReadFileHeader (XcursorFile *file)
if (n != fileHeader->ntoc)
{
_XcursorFileHeaderDestroy (fileHeader);
return 0;
return NULL;
}
return fileHeader;
}
@ -439,24 +439,24 @@ _XcursorReadImage (XcursorFile *file,
return NULL;
if (!_XcursorFileReadChunkHeader (file, fileHeader, toc, &chunkHeader))
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.width))
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.height))
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.xhot))
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.yhot))
return 0;
return NULL;
if (!_XcursorReadUInt (file, &head.delay))
return 0;
return NULL;
/* sanity check data */
if (head.width >= 0x10000 || head.height > 0x10000)
return 0;
return NULL;
if (head.width == 0 || head.height == 0)
return 0;
return NULL;
if (head.xhot > head.width || head.yhot > head.height)
return 0;
return NULL;
/* Create the image and initialize it */
image = XcursorImageCreate (head.width, head.height);
@ -473,7 +473,7 @@ _XcursorReadImage (XcursorFile *file,
if (!_XcursorReadUInt (file, p))
{
XcursorImageDestroy (image);
return 0;
return NULL;
}
p++;
}
@ -558,17 +558,17 @@ _XcursorReadComment (XcursorFile *file,
/* read chunk header */
if (!_XcursorFileReadChunkHeader (file, fileHeader, toc, &chunkHeader))
return 0;
return NULL;
/* read extra comment header fields */
if (!_XcursorReadUInt (file, &length))
return 0;
return NULL;
comment = XcursorCommentCreate (chunkHeader.subtype, length);
if (!comment)
return 0;
return NULL;
if (!_XcursorReadBytes (file, comment->comment, length))
{
XcursorCommentDestroy (comment);
return 0;
return NULL;
}
comment->comment[length] = '\0';
return comment;
@ -626,16 +626,16 @@ XcursorXcFileLoadImage (XcursorFile *file, int size)
XcursorImage *image;
if (size < 0)
return 0;
return NULL;
fileHeader = _XcursorReadFileHeader (file);
if (!fileHeader)
return 0;
return NULL;
bestSize = _XcursorFindBestSize (fileHeader, (XcursorDim) size, &nsize);
if (!bestSize)
return 0;
return NULL;
toc = _XcursorFindImageToc (fileHeader, bestSize, 0);
if (toc < 0)
return 0;
return NULL;
image = _XcursorReadImage (file, fileHeader, toc);
_XcursorFileHeaderDestroy (fileHeader);
return image;
@ -683,7 +683,7 @@ XcursorXcFileLoadImages (XcursorFile *file, int size)
if (images->nimage != nsize)
{
XcursorImagesDestroy (images);
images = 0;
images = NULL;
}
return images;
}
@ -699,11 +699,11 @@ XcursorXcFileLoadAllImages (XcursorFile *file)
int toc;
if (!file)
return 0;
return NULL;
fileHeader = _XcursorReadFileHeader (file);
if (!fileHeader)
return 0;
return NULL;
nimage = 0;
for (n = 0; n < fileHeader->ntoc; n++)
{
@ -715,7 +715,7 @@ XcursorXcFileLoadAllImages (XcursorFile *file)
}
images = XcursorImagesCreate (nimage);
if (!images)
return 0;
return NULL;
for (toc = 0; toc < fileHeader->ntoc; toc++)
{
switch (fileHeader->tocs[toc].type) {
@ -733,7 +733,7 @@ XcursorXcFileLoadAllImages (XcursorFile *file)
if (images->nimage != nimage)
{
XcursorImagesDestroy (images);
images = 0;
images = NULL;
}
return images;
}
@ -805,8 +805,8 @@ XcursorXcFileLoad (XcursorFile *file,
{
XcursorImagesDestroy (images);
XcursorCommentsDestroy (comments);
images = 0;
comments = 0;
images = NULL;
comments = NULL;
return XcursorFalse;
}
*imagesp = images;
@ -1010,7 +1010,7 @@ XcursorFilenameLoadImage (const char *file, int size)
f = fopen (file, "r");
if (!f)
return 0;
return NULL;
image = XcursorFileLoadImage (f, size);
fclose (f);
return image;
@ -1027,7 +1027,7 @@ XcursorFilenameLoadImages (const char *file, int size)
f = fopen (file, "r");
if (!f)
return 0;
return NULL;
images = XcursorFileLoadImages (f, size);
fclose (f);
return images;
@ -1044,7 +1044,7 @@ XcursorFilenameLoadAllImages (const char *file)
f = fopen (file, "r");
if (!f)
return 0;
return NULL;
images = XcursorFileLoadAllImages (f);
fclose (f);
return images;

38
src/library.c
View file

@ -98,13 +98,13 @@ _XcursorBuildThemeDir (const char *dir, const char *theme)
themelen = tcolon - theme;
home = 0;
home = NULL;
homelen = 0;
if (*dir == '~')
{
home = getenv ("HOME");
if (!home)
return 0;
return NULL;
homelen = strlen (home);
dir++;
dirlen--;
@ -118,7 +118,7 @@ _XcursorBuildThemeDir (const char *dir, const char *theme)
full = malloc (len);
if (!full)
return 0;
return NULL;
full[0] = '\0';
if (home)
@ -138,7 +138,7 @@ _XcursorBuildFullname (const char *dir, const char *subdir, const char *file)
full = malloc (strlen (dir) + 1 + strlen (subdir) + 1 + strlen (file) + 1);
if (!full)
return 0;
return NULL;
full[0] = '\0';
_XcursorAddPathElt (full, dir, -1);
_XcursorAddPathElt (full, subdir, -1);
@ -152,7 +152,7 @@ _XcursorNextPath (const char *path)
char *colon = strchr (path, ':');
if (!colon)
return 0;
return NULL;
return colon + 1;
}
@ -163,7 +163,7 @@ static char *
_XcursorThemeInherits (const char *full)
{
char line[8192];
char *result = 0;
char *result = NULL;
FILE *f;
if (!full)
@ -212,11 +212,11 @@ _XcursorThemeInherits (const char *full)
static FILE *
XcursorScanTheme (const char *theme, const char *name)
{
FILE *f = 0;
FILE *f = NULL;
char *full;
char *dir;
const char *path;
char *inherits = 0;
char *inherits = NULL;
const char *i;
if (!theme || !name)
@ -271,8 +271,8 @@ XcursorScanTheme (const char *theme, const char *name)
XcursorImage *
XcursorLibraryLoadImage (const char *file, const char *theme, int size)
{
FILE *f = 0;
XcursorImage *image = 0;
FILE *f = NULL;
XcursorImage *image = NULL;
if (!file)
return NULL;
@ -282,7 +282,7 @@ XcursorLibraryLoadImage (const char *file, const char *theme, int size)
if (!f)
f = XcursorScanTheme ("default", file);
if (f == XCURSOR_SCAN_CORE)
return 0;
return NULL;
if (f)
{
image = XcursorFileLoadImage (f, size);
@ -294,8 +294,8 @@ XcursorLibraryLoadImage (const char *file, const char *theme, int size)
XcursorImages *
XcursorLibraryLoadImages (const char *file, const char *theme, int size)
{
FILE *f = 0;
XcursorImages *images = 0;
FILE *f = NULL;
XcursorImages *images = NULL;
if (!file)
return NULL;
@ -305,7 +305,7 @@ XcursorLibraryLoadImages (const char *file, const char *theme, int size)
if (!f)
f = XcursorScanTheme ("default", file);
if (f == XCURSOR_SCAN_CORE)
return 0;
return NULL;
if (f)
{
images = XcursorFileLoadImages (f, size);
@ -368,14 +368,14 @@ XcursorLibraryLoadCursors (Display *dpy, const char *file)
if (cursors->cursors[0] == None)
{
XcursorCursorsDestroy (cursors);
cursors = 0;
cursors = NULL;
}
else
cursors->ncursor = 1;
}
}
else
cursors = 0;
cursors = NULL;
}
else
{
@ -428,7 +428,7 @@ XcursorShapeLoadImage (unsigned int shape, const char *theme, int size)
return XcursorLibraryLoadImage (_XcursorStandardNames[id],
theme, size);
else
return 0;
return NULL;
}
XcursorImages *
@ -440,7 +440,7 @@ XcursorShapeLoadImages (unsigned int shape, const char *theme, int size)
return XcursorLibraryLoadImages (_XcursorStandardNames[id],
theme, size);
else
return 0;
return NULL;
}
Cursor
@ -462,7 +462,7 @@ XcursorShapeLoadCursors (Display *dpy, unsigned int shape)
if (id < NUM_STANDARD_NAMES)
return XcursorLibraryLoadCursors (dpy, _XcursorStandardNames[id]);
else
return 0;
return NULL;
}
int

4
src/xlib.c
View file

@ -179,7 +179,7 @@ _XcursorGetBitmap (Display *dpy, Pixmap bitmap)
info = _XcursorGetDisplayInfo (dpy);
if (!info)
return 0;
return NULL;
LockDisplay (dpy);
for (i = 0; i < NUM_BITMAPS; i++)
if (info->bitmaps[i].bitmap == bitmap)
@ -189,7 +189,7 @@ _XcursorGetBitmap (Display *dpy, Pixmap bitmap)
return &info->bitmaps[i];
}
UnlockDisplay (dpy);
return 0;
return NULL;
}
static Bool