[PATCH] virsh: Fix compile error due to const mismatch in cmdVcpupin

[Matthias Bolte <matthias.bolte@xxxxxxxxxxxxxx>]

Broken by commit c4a8ca71b10eb adding the reset option.

Instead of altering a const string move the while loop into an
else clause.
---
 tools/virsh.c |  110 ++++++++++++++++++++++++++++-----------------------------
 1 files changed, 54 insertions(+), 56 deletions(-)

diff --git a/tools/virsh.c b/tools/virsh.c
index e04c9fc..0e9efad 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -3000,7 +3000,7 @@ cmdVcpupin(vshControl *ctl, const vshCmd *cmd)
     int cpumaplen;
     int i, cpu, lastcpu, maxcpu;
     bool unuse = false;
-    char *cur;
+    const char *cur;
     int config = vshCommandOptBool(cmd, "config");
     int live = vshCommandOptBool(cmd, "live");
     int current = vshCommandOptBool(cmd, "current");
@@ -3061,72 +3061,70 @@ cmdVcpupin(vshControl *ctl, const vshCmd *cmd)
     cpumap = vshCalloc(ctl, 0, cpumaplen);
 
     /* Parse cpulist */
-    cur = cpulist;
-    if (*cur == 0) {
+    if (*cpulist == '\0') {
         goto parse_error;
-    } else if (*cur == 'r') {
+    } else if (*cpulist == 'r') {
         for (cpu = 0; cpu < maxcpu; cpu++)
             VIR_USE_CPU(cpumap, cpu);
-        *cur = 0;
-    }
-
-    while (*cur != 0) {
-
-        /* the char '^' denotes exclusive */
-        if (*cur == '^') {
-            cur++;
-            unuse = true;
-        }
-
-        /* parse physical CPU number */
-        if (!c_isdigit(*cur))
-            goto parse_error;
-        cpu  = virParseNumber(&cur);
-        if (cpu < 0) {
-            goto parse_error;
-        }
-        if (cpu >= maxcpu) {
-            vshError(ctl, _("Physical CPU %d doesn't exist."), cpu);
-            goto parse_error;
-        }
-        virSkipSpaces(&cur);
-
-        if ((*cur == ',') || (*cur == 0)) {
-            if (unuse) {
-                VIR_UNUSE_CPU(cpumap, cpu);
-            } else {
-                VIR_USE_CPU(cpumap, cpu);
+    } else {
+        cur = cpulist;
+        while (*cur != '\0') {
+            /* the char '^' denotes exclusive */
+            if (*cur == '^') {
+                cur++;
+                unuse = true;
             }
-        } else if (*cur == '-') {
-            /* the char '-' denotes range */
-            if (unuse) {
+
+            /* parse physical CPU number */
+            if (!c_isdigit(*cur))
                 goto parse_error;
-            }
-            cur++;
-            virSkipSpaces(&cur);
-            /* parse the end of range */
-            lastcpu = virParseNumber(&cur);
-            if (lastcpu < cpu) {
+            cpu  = virParseNumber(&cur);
+            if (cpu < 0) {
                 goto parse_error;
             }
-            if (lastcpu >= maxcpu) {
-                vshError(ctl, _("Physical CPU %d doesn't exist."), maxcpu);
+            if (cpu >= maxcpu) {
+                vshError(ctl, _("Physical CPU %d doesn't exist."), cpu);
                 goto parse_error;
             }
-            for (i = cpu; i <= lastcpu; i++) {
-                VIR_USE_CPU(cpumap, i);
-            }
             virSkipSpaces(&cur);
-        }
 
-        if (*cur == ',') {
-            cur++;
-            virSkipSpaces(&cur);
-            unuse = false;
-        } else if (*cur == 0) {
-            break;
-        } else {
-            goto parse_error;
+            if ((*cur == ',') || (*cur == '\0')) {
+                if (unuse) {
+                    VIR_UNUSE_CPU(cpumap, cpu);
+                } else {
+                    VIR_USE_CPU(cpumap, cpu);
+                }
+            } else if (*cur == '-') {
+                /* the char '-' denotes range */
+                if (unuse) {
+                    goto parse_error;
+                }
+                cur++;
+                virSkipSpaces(&cur);
+                /* parse the end of range */
+                lastcpu = virParseNumber(&cur);
+                if (lastcpu < cpu) {
+                    goto parse_error;
+                }
+                if (lastcpu >= maxcpu) {
+                    vshError(ctl, _("Physical CPU %d doesn't exist."), maxcpu);
+                    goto parse_error;
+                }
+                for (i = cpu; i <= lastcpu; i++) {
+                    VIR_USE_CPU(cpumap, i);
+                }
+                virSkipSpaces(&cur);
+            }
+
+            if (*cur == ',') {
+                cur++;
+                virSkipSpaces(&cur);
+                unuse = false;
+            } else if (*cur == '\0') {
+                break;
+            } else {
+                goto parse_error;
+            }
         }
     }
 
-- 
1.7.0.4

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