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default system font string (which is readonly) overwrite bug fix

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kojima
1999-09-19 01:30:13 +00:00
parent e7df5ed456
commit 5b9b715cc4
1 changed files with 28 additions and 18 deletions
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46
WINGs/wfont.c
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@@ -317,31 +317,41 @@ WMDrawImageString(WMScreen *scr, Drawable d, GC gc, WMFont *font, int x, int y,
static char*
makeFontSetOfSize(char *fontset, int size)
{
char font[300];
char font[300], *f;
char *newfs = NULL;
char *ptr;
char *tmp;
do {
int hold = ' ';
char *tmp;
int end;
f = fontset;
ptr = strchr(fontset, ',');
if (ptr) {
hold = *(ptr+1);
*(ptr+1) = 0;
}
if (strlen(fontset)>255) {
wwarning("font description %s is too large.", fontset);
} else {
sprintf(font, fontset, size);
tmp = wstrappend(newfs, font);
if (newfs)
free(newfs);
newfs = tmp;
}
if (ptr) {
*(ptr+1) = hold;
int count = ptr-fontset;
if (count > 255) {
wwarning("font description %s is too large.", fontset);
} else {
memcpy(font, fontset, count);
font[count] = 0;
f = (char*)font;
}
}
if (newfs)
end = strlen(newfs);
else
end = 0;
tmp = wmalloc(end + strlen(f) + 8);
sprintf(tmp + end, f, size);
if (newfs)
free(newfs);
newfs = tmp;
fontset = ptr+1;
} while (ptr!=NULL);