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libgaim/protocols/zephyr/ZGetLocs.c@f3d13f21350c

libgaim/protocols/zephyr/ZGetLocs.c

Tue, 26 Sep 2006 17:38:09 +0000

author

Richard Laager <rlaager@pidgin.im>

date

Tue, 26 Sep 2006 17:38:09 +0000

changeset 14686

f3d13f21350c

parent 14254

77edc7a6191a

child 20470

77693555855f

permissions

-rw-r--r--

[gaim-migrate @ 17356]
After the comments on gaim-devel about 'bad' code, I looked into the function referenced. It appears that yahoo_buddy_icon_upload_connected() is only called as a callback. It's registered from yahoo_buddy_icon_upload(). yahoo_buddy_icon_upload() is only called twice. In neither case can a NULL make it down to yahoo_buddy_icon_upload_connected(). As this is an exceptional case rather than a normal one, a g_return_if_fail() is more appropriate. That adds logging, makes the intent clearer, and will help the Coverity software detect violations of this assumption.

/* This file is part of the Project Athena Zephyr Notification System.
 * It contains source for the ZGetLocations function.
 *
 *	Created by:	Robert French
 *
 *	Copyright (c) 1987 by the Massachusetts Institute of Technology.
 *	For copying and distribution information, see the file
 *	"mit-copyright.h". 
 */

#include "internal.h"

#define min(a,b) ((a)<(b)?(a):(b))

/* Prototype for -Wmissing-prototypes */
Code_t ZGetLocations(ZLocations_t *location, int *numlocs);

Code_t ZGetLocations(ZLocations_t *location, int *numlocs)
{
    int i;
	
    if (!__locate_list)
	return (ZERR_NOLOCATIONS);

    if (__locate_next == __locate_num)
	return (ZERR_NOMORELOCS);
	
    for (i=0;i<min(*numlocs, __locate_num-__locate_next);i++)
	location[i] = __locate_list[i+__locate_next];

    if (__locate_num-__locate_next < *numlocs)
	*numlocs = __locate_num-__locate_next;

    __locate_next += *numlocs;
	
    return (ZERR_NONE);
}