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xkb: when copying the keymap, make sure the structs default to 0/NULL.

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It actually does help if a pointer is NULL rather than pointing to nirvana
when you're trying to free it lateron. Who would have thought?
This commit is contained in:
Peter Hutterer 2008-02-07 15:48:04 +10:30
parent 66f8001b61
commit 7018f28040
1 changed files with 15 additions and 8 deletions
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23
xkb/xkbUtils.c
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@ -1730,9 +1730,8 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
else {
if (dst->geom->sz_shapes) {
xfree(dst->geom->shapes);
dst->geom->shapes = NULL;
}
dst->geom->shapes = NULL;
dst->geom->num_shapes = 0;
dst->geom->sz_shapes = 0;
}
@ -1781,6 +1780,7 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
}
dst->geom->num_sections = 0;
dst->geom->sections = NULL;
}
if (src->geom->num_sections) {
@ -1792,6 +1792,7 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
tmp = xalloc(src->geom->num_sections * sizeof(XkbSectionRec));
if (!tmp)
return FALSE;
memset(tmp, 0, src->geom->num_sections * sizeof(XkbSectionRec));
dst->geom->sections = tmp;
dst->geom->num_sections = src->geom->num_sections;
@ -1828,6 +1829,10 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
return FALSE;
dsection->doodads = tmp;
}
else {
dsection->doodads = NULL;
}
for (k = 0,
sdoodad = ssection->doodads,
ddoodad = dsection->doodads;
@ -1855,9 +1860,9 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
else {
if (dst->geom->sz_sections) {
xfree(dst->geom->sections);
dst->geom->sections = NULL;
}
dst->geom->sections = NULL;
dst->geom->num_sections = 0;
dst->geom->sz_sections = 0;
}
@ -1886,6 +1891,8 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
}
}
}
dst->geom->num_doodads = 0;
dst->geom->doodads = NULL;
}
if (src->geom->num_doodads) {
@ -1898,7 +1905,7 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
sizeof(XkbDoodadRec));
if (!tmp)
return FALSE;
bzero(tmp, src->geom->num_doodads * sizeof(XkbDoodadRec));
memset(tmp, 0, src->geom->num_doodads * sizeof(XkbDoodadRec));
dst->geom->doodads = tmp;
dst->geom->sz_doodads = src->geom->num_doodads;
@ -1927,9 +1934,9 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
else {
if (dst->geom->sz_doodads) {
xfree(dst->geom->doodads);
dst->geom->doodads = NULL;
}
dst->geom->doodads = NULL;
dst->geom->num_doodads = 0;
dst->geom->sz_doodads = 0;
}
@ -1957,10 +1964,10 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
dst->geom->num_key_aliases = dst->geom->sz_key_aliases;
}
else {
if (dst->geom->sz_key_aliases && dst->geom->key_aliases) {
if (dst->geom->key_aliases) {
xfree(dst->geom->key_aliases);
dst->geom->key_aliases = NULL;
}
dst->geom->key_aliases = NULL;
dst->geom->num_key_aliases = 0;
dst->geom->sz_key_aliases = 0;
}
@ -1991,8 +1998,8 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
else {
if (dst->geom->label_font) {
xfree(dst->geom->label_font);
dst->geom->label_font = NULL;
}
dst->geom->label_font = NULL;
dst->geom->label_color = NULL;
dst->geom->base_color = NULL;
}