Extend memory unit support in CONFIG SET.

Related to PR #2357.

src/config.c

@@ -609,6 +609,7 @@ void loadServerConfig(char *filename, char *options) {
 void configSetCommand(redisClient *c) {
     robj *o;
     long long ll;
+    int err;
     redisAssertWithInfo(c,c->argv[2],sdsEncodedObject(c->argv[2]));
     redisAssertWithInfo(c,c->argv[3],sdsEncodedObject(c->argv[3]));
     o = c->argv[3];
@@ -628,7 +629,6 @@ void configSetCommand(redisClient *c) {
         zfree(server.masterauth);
         server.masterauth = ((char*)o->ptr)[0] ? zstrdup(o->ptr) : NULL;
     } else if (!strcasecmp(c->argv[2]->ptr,"maxmemory")) {
-        int err;
         ll = memtoll(o->ptr,&err);
         if (err || ll < 0) goto badfmt;
         server.maxmemory = ll;
@@ -852,7 +852,6 @@ void configSetCommand(redisClient *c) {
          * whole configuration string or accept it all, even if a single
          * error in a single client class is present. */
         for (j = 0; j < vlen; j++) {
-            char *eptr;
             long val;
 
             if ((j % 4) == 0) {
@@ -861,8 +860,8 @@ void configSetCommand(redisClient *c) {
                     goto badfmt;
                 }
             } else {
-                val = strtoll(v[j], &eptr, 10);
-                if (eptr[0] != '\0' || val < 0) {
+                val = memtoll(v[j], &err);
+                if (err || val < 0) {
                     sdsfreesplitres(v,vlen);
                     goto badfmt;
                 }
@@ -896,7 +895,8 @@ void configSetCommand(redisClient *c) {
         if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll <= 0) goto badfmt;
         server.repl_timeout = ll;
     } else if (!strcasecmp(c->argv[2]->ptr,"repl-backlog-size")) {
-        if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll <= 0) goto badfmt;
+        ll = memtoll(o->ptr,&err);
+        if (err || ll < 0) goto badfmt;
         resizeReplicationBacklog(ll);
     } else if (!strcasecmp(c->argv[2]->ptr,"repl-backlog-ttl")) {
         if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;