tdwm: use ecalloc, prevent theoretical overflow - dwm - [fork] customized build… | |
git clone git://src.adamsgaard.dk/dwm | |
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README | |
LICENSE | |
--- | |
commit e3b7e1d620e18818222c1e5033356ae29dd49e7f | |
parent 04db03a4e69eba88c56c12128340125fb0ef1960 | |
Author: Hiltjo Posthuma <[email protected]> | |
Date: Tue, 20 Oct 2015 23:30:31 +0200 | |
dwm: use ecalloc, prevent theoretical overflow | |
Diffstat: | |
M dwm.c | 9 +++------ | |
1 file changed, 3 insertions(+), 6 deletions(-) | |
--- | |
diff --git a/dwm.c b/dwm.c | |
t@@ -630,8 +630,7 @@ Monitor * | |
createmon(void) { | |
Monitor *m; | |
- if(!(m = (Monitor *)calloc(1, sizeof(Monitor)))) | |
- die("fatal: could not malloc() %u bytes\n", sizeof(Monitor)); | |
+ m = ecalloc(1, sizeof(Monitor)); | |
m->tagset[0] = m->tagset[1] = 1; | |
m->mfact = mfact; | |
m->nmaster = nmaster; | |
t@@ -1007,8 +1006,7 @@ manage(Window w, XWindowAttributes *wa) { | |
Window trans = None; | |
XWindowChanges wc; | |
- if(!(c = calloc(1, sizeof(Client)))) | |
- die("fatal: could not malloc() %u bytes\n", sizeof(Client)); | |
+ c = ecalloc(1, sizeof(Client)); | |
c->win = w; | |
updatetitle(c); | |
if(XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) { | |
t@@ -1788,8 +1786,7 @@ updategeom(void) { | |
for(n = 0, m = mons; m; m = m->next, n++); | |
/* only consider unique geometries as separate screens */ | |
- if(!(unique = (XineramaScreenInfo *)malloc(sizeof(XineramaScre… | |
- die("fatal: could not malloc() %u bytes\n", sizeof(Xin… | |
+ unique = ecalloc(nn, sizeof(XineramaScreenInfo)); | |
for(i = 0, j = 0; i < nn; i++) | |
if(isuniquegeom(unique, j, &info[i])) | |
memcpy(&unique[j++], &info[i], sizeof(Xinerama… |