Fix many small typos

Closes #1871

src/aof.c

@@ -73,7 +73,7 @@ void aofRewriteBufferReset(void) {
     listSetFreeMethod(server.aof_rewrite_buf_blocks,zfree);
 }
 
-/* Return the current size of the AOF rerwite buffer. */
+/* Return the current size of the AOF rewite buffer. */
 unsigned long aofRewriteBufferSize(void) {
     listNode *ln = listLast(server.aof_rewrite_buf_blocks);
     aofrwblock *block = ln ? ln->value : NULL;
@@ -202,7 +202,7 @@ int startAppendOnly(void) {
         redisLog(REDIS_WARNING,"Redis needs to enable the AOF but can't trigger a background AOF rewrite operation. Check the above logs for more info about the error.");
         return REDIS_ERR;
     }
-    /* We correctly switched on AOF, now wait for the rerwite to be complete
+    /* We correctly switched on AOF, now wait for the rewite to be complete
      * in order to append data on disk. */
     server.aof_state = REDIS_AOF_WAIT_REWRITE;
     return REDIS_OK;
@@ -243,7 +243,7 @@ void flushAppendOnlyFile(int force) {
          * the write for a couple of seconds. */
         if (sync_in_progress) {
             if (server.aof_flush_postponed_start == 0) {
-                /* No previous write postponinig, remember that we are
+                /* No previous write postponing, remember that we are
                  * postponing the flush and return. */
                 server.aof_flush_postponed_start = server.unixtime;
                 return;
@@ -294,7 +294,7 @@ void flushAppendOnlyFile(int force) {
             last_write_error_log = server.unixtime;
         }
 
-        /* Lof the AOF write error and record the error code. */
+        /* Log the AOF write error and record the error code. */
         if (nwritten == -1) {
             if (can_log) {
                 redisLog(REDIS_WARNING,"Error writing to the AOF file: %s",
@@ -318,7 +318,7 @@ void flushAppendOnlyFile(int force) {
                              "ftruncate: %s", strerror(errno));
                 }
             } else {
-                /* If the ftrunacate() succeeded we can set nwritten to
+                /* If the ftruncate() succeeded we can set nwritten to
                  * -1 since there is no longer partial data into the AOF. */
                 nwritten = -1;
             }
@@ -330,7 +330,7 @@ void flushAppendOnlyFile(int force) {
             /* We can't recover when the fsync policy is ALWAYS since the
              * reply for the client is already in the output buffers, and we
              * have the contract with the user that on acknowledged write data
-             * is synched on disk. */
+             * is synced on disk. */
             redisLog(REDIS_WARNING,"Can't recover from AOF write error when the AOF fsync policy is 'always'. Exiting...");
             exit(1);
         } else {
@@ -425,7 +425,7 @@ sds catAppendOnlyExpireAtCommand(sds buf, struct redisCommand *cmd, robj *key, r
     long long when;
     robj *argv[3];
 
-    /* Make sure we can use strtol */
+    /* Make sure we can use strtoll */
     seconds = getDecodedObject(seconds);
     when = strtoll(seconds->ptr,NULL,10);
     /* Convert argument into milliseconds for EXPIRE, SETEX, EXPIREAT */
@@ -456,7 +456,7 @@ void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int a
     robj *tmpargv[3];
 
     /* The DB this command was targeting is not the same as the last command
-     * we appendend. To issue a SELECT command is needed. */
+     * we appended. To issue a SELECT command is needed. */
     if (dictid != server.aof_selected_db) {
         char seldb[64];