scout: Fix a lot of dead assignments

In lots of places scout takes the return value of a graphics
function, then decides it doesn't actually care about the result.

Get rid of the assignments, as they provide a false sense of
security.

Caught by clang-analyzer

Change-Id: I1ea8514b969777f1276b4e8f8ab946a4d36a870c
Reviewed-on: http://gerrit.openafs.org/9238
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>

diff --git a/src/scout/scout.c b/src/scout/scout.c
index 8c50476bd10e32c3b742a4fa260904ce849c8ae5..663edbf8ec3f7ef6d43079b0051ed666defa532d 100644 (file)
--- a/src/scout/scout.c
+++ b/src/scout/scout.c
@@ -1115,7 +1115,6 @@ mini_PrintDiskStats(struct mini_line *a_srvline,
      * mark all used disk objects for this server as inactive and fix
      * their line numbers if needed.
      */
-    sc_disk = a_srvline->disks;
     used_disk_idx = a_srvline->used_head;
     while (used_disk_idx != SCOUT_NIL) {
        if (scout_debug) {
@@ -1327,7 +1326,6 @@ FS_Handler(void)
     curr_probeOK = fsprobe_Results.probeOK;
     curr_line_num = curr_line->base_line;
 
-    setting = 0;
     for (curr_srvidx = 0; curr_srvidx < scout_screen.numServers;
         curr_srvidx++) {
        /*
@@ -1352,18 +1350,18 @@ FS_Handler(void)
            sprintf(sp, "%d", curr_stats->CurrentConnections);
        } else
            sp = sblank;
-       code = mini_justify(sp, /*Src buffer */
-                           lightdata->label,   /*Dest buffer */
-                           scout_col_width[COL_CONN],  /*Dest's width */
-                           SCOUT_RIGHT_JUSTIFY,        /*Right-justify */
-                           SCOUT_LEFT_TRUNC,   /*Left-truncate */
-                           SCOUT_ISNT_LDISK);  /*Not a labeled disk */
+       mini_justify(sp,        /*Src buffer */
+                    lightdata->label,  /*Dest buffer */
+                    scout_col_width[COL_CONN], /*Dest's width */
+                    SCOUT_RIGHT_JUSTIFY,       /*Right-justify */
+                    SCOUT_LEFT_TRUNC,  /*Left-truncate */
+                    SCOUT_ISNT_LDISK); /*Not a labeled disk */
        if (scout_attn_conn != SCOUT_ATTN_NOTUSED
            && curr_stats->CurrentConnections >= scout_attn_conn)
            setting = 1;
        else
            setting = 0;
-       code = gator_light_set(curr_line->currConns_lp, setting);
+       gator_light_set(curr_line->currConns_lp, setting);
 
        lightdata = (struct gator_lightobj *)(curr_line->fetches_lp->o_data);
        if (*curr_probeOK == 0) {
@@ -1371,18 +1369,18 @@ FS_Handler(void)
            sprintf(sp, "%u", curr_stats->TotalFetchs);
        } else
            sp = sblank;
-       code = mini_justify(sp, /*Src buffer */
-                           lightdata->label,   /*Dest buffer */
-                           scout_col_width[COL_FETCH], /*Dest's width */
-                           SCOUT_RIGHT_JUSTIFY,        /*Right-justify */
-                           SCOUT_LEFT_TRUNC,   /*Left-truncate */
-                           SCOUT_ISNT_LDISK);  /*Not a labeled disk */
+       mini_justify(sp,        /*Src buffer */
+                    lightdata->label,  /*Dest buffer */
+                    scout_col_width[COL_FETCH],        /*Dest's width */
+                    SCOUT_RIGHT_JUSTIFY,       /*Right-justify */
+                    SCOUT_LEFT_TRUNC,  /*Left-truncate */
+                    SCOUT_ISNT_LDISK); /*Not a labeled disk */
        if (scout_attn_fetch != SCOUT_ATTN_NOTUSED
            && curr_stats->TotalFetchs >= scout_attn_fetch)
            setting = 1;
        else
            setting = 0;
-       code = gator_light_set(curr_line->fetches_lp, setting);
+       gator_light_set(curr_line->fetches_lp, setting);
 
        lightdata = (struct gator_lightobj *)(curr_line->stores_lp->o_data);
        if (*curr_probeOK == 0) {
@@ -1390,18 +1388,18 @@ FS_Handler(void)
            sprintf(sp, "%u", curr_stats->TotalStores);
        } else
            sp = sblank;
-       code = mini_justify(sp, /*Src buffer */
-                           lightdata->label,   /*Dest buffer */
-                           scout_col_width[COL_STORE], /*Dest's width */
-                           SCOUT_RIGHT_JUSTIFY,        /*Right-justify */
-                           SCOUT_LEFT_TRUNC,   /*Left-truncate */
-                           SCOUT_ISNT_LDISK);  /*Not a labeled disk */
+       mini_justify(sp,        /*Src buffer */
+                    lightdata->label,  /*Dest buffer */
+                    scout_col_width[COL_STORE],        /*Dest's width */
+                    SCOUT_RIGHT_JUSTIFY,       /*Right-justify */
+                    SCOUT_LEFT_TRUNC,  /*Left-truncate */
+                    SCOUT_ISNT_LDISK); /*Not a labeled disk */
        if (scout_attn_store != SCOUT_ATTN_NOTUSED
            && curr_stats->TotalStores >= scout_attn_store)
            setting = 1;
        else
            setting = 0;
-       code = gator_light_set(curr_line->stores_lp, setting);
+       gator_light_set(curr_line->stores_lp, setting);
 
        lightdata =
            (struct gator_lightobj *)(curr_line->workstations_lp->o_data);
@@ -1410,18 +1408,18 @@ FS_Handler(void)
            sprintf(sp, "%d", curr_stats->WorkStations);
        } else
            sp = sblank;
-       code = mini_justify(sp, /*Src buffer */
-                           lightdata->label,   /*Dest buffer */
-                           scout_col_width[COL_WK],    /*Dest's width */
-                           SCOUT_RIGHT_JUSTIFY,        /*Right-justify */
-                           SCOUT_LEFT_TRUNC,   /*Left-truncate */
-                           SCOUT_ISNT_LDISK);  /*Not a labeled disk */
+       mini_justify(sp,        /*Src buffer */
+                    lightdata->label,  /*Dest buffer */
+                    scout_col_width[COL_WK],   /*Dest's width */
+                    SCOUT_RIGHT_JUSTIFY,       /*Right-justify */
+                    SCOUT_LEFT_TRUNC,  /*Left-truncate */
+                    SCOUT_ISNT_LDISK); /*Not a labeled disk */
        if (scout_attn_workstations != SCOUT_ATTN_NOTUSED
            && curr_stats->WorkStations >= scout_attn_workstations)
            setting = 1;
        else
            setting = 0;
-       code = gator_light_set(curr_line->workstations_lp, setting);
+       gator_light_set(curr_line->workstations_lp, setting);
 
        /*
         * We turn the server light on if there was an error in the
@@ -1429,7 +1427,7 @@ FS_Handler(void)
         * (Don't forget to fix the light's line if it needs it).
         */
        setting = (*curr_probeOK) ? 1 : 0;
-       code = gator_light_set(curr_line->srvName_lp, setting);
+       gator_light_set(curr_line->srvName_lp, setting);
 
        /*
         * Print out the disk statistics.  The value returned is the
@@ -1585,7 +1583,6 @@ init_mini_line(struct sockaddr_in *a_skt, int a_lineNum,
                "[%s] Can't center server name inside of light object\n", rn);
        return (code);
     }
-    curr_x += scout_col_width[COL_SRVNAME] + 1;
 
     if (scout_initDiskLightObjects(a_line, scout_frame->window)) {
        fprintf(stderr, "[%s:%s] Can't create disk light objects\n", pn, rn);
@@ -1781,11 +1778,10 @@ execute_scout(int a_numservers, struct cmd_item *a_srvname, int a_pkg)
                                            scout_gwin);        /*Window */
     if (scout_banner0_lp != NULL) {
        lightdata = (struct gator_lightobj *)(scout_banner0_lp->o_data);
-       code =
-           mini_justify(scout_Banner, lightdata->label, scout_frameDims.maxx,
-                        SCOUT_CENTER, SCOUT_RIGHT_TRUNC, SCOUT_ISNT_LDISK);
-       code = gator_light_set(scout_banner0_lp, 1);
-       code = gtxframe_AddToList(scout_frame, scout_banner0_lp);
+       mini_justify(scout_Banner, lightdata->label, scout_frameDims.maxx,
+                    SCOUT_CENTER, SCOUT_RIGHT_TRUNC, SCOUT_ISNT_LDISK);
+       gator_light_set(scout_banner0_lp, 1);
+       gtxframe_AddToList(scout_frame, scout_banner0_lp);
 
        /*Debugging */
        if (scout_debug)
@@ -1815,12 +1811,11 @@ execute_scout(int a_numservers, struct cmd_item *a_srvname, int a_pkg)
                 attn_label);
 
        lightdata = (struct gator_lightobj *)(scout_banner1_lp->o_data);
-       code =
-           mini_justify(scout_Banner, lightdata->label, scout_frameDims.maxx,
-                        SCOUT_LEFT_JUSTIFY, SCOUT_RIGHT_TRUNC,
-                        SCOUT_ISNT_LDISK);
+       mini_justify(scout_Banner, lightdata->label, scout_frameDims.maxx,
+                    SCOUT_LEFT_JUSTIFY, SCOUT_RIGHT_TRUNC,
+                    SCOUT_ISNT_LDISK);
 
-       code = gtxframe_AddToList(scout_frame, scout_banner1_lp);
+       gtxframe_AddToList(scout_frame, scout_banner1_lp);
     }
 
     scout_banner2_lp = mini_initLightObject("Banner 2",        /*Light name */
@@ -1837,11 +1832,10 @@ execute_scout(int a_numservers, struct cmd_item *a_srvname, int a_pkg)
                 scout_underline[5]);
 
        lightdata = (struct gator_lightobj *)(scout_banner2_lp->o_data);
-       code =
-           mini_justify(scout_Banner, lightdata->label,
-                        scout_frameDims.maxx, SCOUT_LEFT_JUSTIFY,
-                        SCOUT_RIGHT_TRUNC, SCOUT_ISNT_LDISK);
-       code = gtxframe_AddToList(scout_frame, scout_banner2_lp);
+       mini_justify(scout_Banner, lightdata->label,
+                    scout_frameDims.maxx, SCOUT_LEFT_JUSTIFY,
+                    SCOUT_RIGHT_TRUNC, SCOUT_ISNT_LDISK);
+       gtxframe_AddToList(scout_frame, scout_banner2_lp);
     }
 
     for (i = 0; i < a_numservers; i++) {
@@ -1978,11 +1972,11 @@ execute_scout(int a_numservers, struct cmd_item *a_srvname, int a_pkg)
     while (1) {
        tv.tv_sec = 60 * 60;    /*Sleep for an hour at a time */
        tv.tv_usec = 0;
-       code = select(0,        /*Num fds */
-                     0,        /*Descriptors ready for reading */
-                     0,        /*Descriptors ready for writing */
-                     0,        /*Descriptors with exceptional conditions */
-                     &tv);     /*Timeout structure */
+       select(0,       /*Num fds */
+              0,       /*Descriptors ready for reading */
+              0,       /*Descriptors ready for writing */
+              0,       /*Descriptors with exceptional conditions */
+              &tv);    /*Timeout structure */
     }                          /*Sleep forever */
 
 #if 0