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events buffer need not end in NUL

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This commit is contained in:
rsc 2006-02-21 20:46:49 +00:00
parent c42a1d3d61
commit 95409400f7
3 changed files with 9 additions and 6 deletions
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2
src/cmd/acme/mail/mesg.c
View file

@ -346,7 +346,7 @@ readfile(char *dir, char *name, int *np)
len = d->length;
free(d);
data = emalloc(len+1);
fsread(fid, data, len);
len = fsreadn(fid, data, len);
fsclose(fid);
if(np != nil)
*np = len;

2
src/cmd/acme/wind.c
View file

@ -679,7 +679,7 @@ winevent(Window *w, char *fmt, ...)
if(b == nil)
error("vsmprint failed");
n = strlen(b);
w->events = realloc(w->events, w->nevents+1+n);
w->events = erealloc(w->events, w->nevents+1+n);
w->events[w->nevents++] = w->owner;
memmove(w->events+w->nevents, b, n);
free(b);

11
src/cmd/acme/xfid.c
View file

@ -976,7 +976,6 @@ void
xfideventread(Xfid *x, Window *w)
{
Fcall fc;
char *b;
int i, n;
i = 0;
@ -1000,10 +999,14 @@ xfideventread(Xfid *x, Window *w)
fc.count = n;
fc.data = w->events;
respond(x, &fc, nil);
b = w->events;
w->events = estrdup(w->events+n);
free(b);
w->nevents -= n;
if(w->nevents){
memmove(w->events, w->events+n, w->nevents);
w->events = erealloc(w->events, w->nevents);
}else{
free(w->events);
w->events = nil;
}
}
void