[hackers] [dwm] applied anonymous patch, I don't think the reversed array access has semantic side-effects || Anselm R Garbe

From: <hg_AT_suckless.org>
Date: Fri, 7 Jan 2011 16:05:25 +0000 (UTC)

changeset: 1530:072c62ed10f2
tag: tip
user: Anselm R Garbe <anselm_AT_garbe.us>
date: Fri Jan 07 16:05:22 2011 +0000
files: dwm.c
description:
applied anonymous patch, I don't think the reversed array access has semantic side-effects

diff -r 23b71491e149 -r 072c62ed10f2 dwm.c
--- a/dwm.c Thu Dec 02 10:16:47 2010 +0000
+++ b/dwm.c Fri Jan 07 16:05:22 2011 +0000
@@ -980,7 +980,7 @@
 void
 initfont(const char *fontstr) {
         char *def, **missing;
- int i, n;
+ int n;
 
         missing = NULL;
         dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
@@ -996,7 +996,7 @@
                 dc.font.ascent = dc.font.descent = 0;
                 XExtentsOfFontSet(dc.font.set);
                 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+ while(n--) {
                         dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
                         dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
                         xfonts++;
@@ -1014,14 +1014,13 @@
 
 Bool
 isprotodel(Client *c) {
- int i, n;
+ int n;
         Atom *protocols;
         Bool ret = False;
 
         if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
- for(i = 0; !ret && i < n; i++)
- if(protocols[i] == wmatom[WMDelete])
- ret = True;
+ while(!ret && n--)
+ ret = protocols[n] == wmatom[WMDelete];
                 XFree(protocols);
         }
         return ret;
@@ -1029,12 +1028,10 @@
 
 #ifdef XINERAMA
 static Bool
-isuniquegeom(XineramaScreenInfo *unique, size_t len, XineramaScreenInfo *info) {
- unsigned int i;
-
- for(i = 0; i < len; i++)
- if(unique[i].x_org == info->x_org && unique[i].y_org == info->y_org
- && unique[i].width == info->width && unique[i].height == info->height)
+isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info) {
+ while(n--)
+ if(unique[n].x_org == info->x_org && unique[n].y_org == info->y_org
+ && unique[n].width == info->width && unique[n].height == info->height)
                         return False;
         return True;
 }
Received on Fri Jan 07 2011 - 17:05:25 CET

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