From 2e7765f468c46728df16faa903d1f4b8a17f76fd Mon Sep 17 00:00:00 2001
From: Guo Wenxue <guowenxue@gmail.com>
Date: Wed, 21 Sep 2022 23:09:27 +0800
Subject: [PATCH] update sqlite_blob.c

---
 apue/project_socket/src/sqlite_blob.c |   51 ++++++++++++++++++++++++++-------------------------
 1 files changed, 26 insertions(+), 25 deletions(-)

diff --git a/apue/project_socket/src/sqlite_blob.c b/apue/project_socket/src/sqlite_blob.c
index 07a95f1..be70c59 100644
--- a/apue/project_socket/src/sqlite_blob.c
+++ b/apue/project_socket/src/sqlite_blob.c
@@ -27,9 +27,9 @@
 static sqlite3         *s_clidb = NULL;
 
 
-/*  description: open or create sqlite database if not exist
- *   input args:
- *               $db_file: sqlite database file name
+/* description: open or create sqlite database if not exist
+ * input args:
+ * $db_file: sqlite database file name
  * return value: <0: failure   0:ok
  * */
 int database_init(const char *db_file)
@@ -73,7 +73,7 @@
     /* enable full auto vacuum, Auto increase/decrease  */
     sqlite3_exec(s_clidb, "pragma auto_vacuum = 2 ; ", NULL, NULL, NULL);
 
-    /*   Create firehost table in the database */
+    /* Create firehost table in the database */
     snprintf(sql, sizeof(sql), "CREATE TABLE %s(packet BLOB);", TABLE_NAME);
     if( SQLITE_OK != sqlite3_exec(s_clidb, sql, NULL, NULL, &errmsg) )
     {
@@ -81,6 +81,7 @@
         sqlite3_free(errmsg); /* free errmsg  */
         sqlite3_close(s_clidb);   /* close databse */
         unlink(db_file);      /* remove database file */
+        return -3;
     }
 
     log_info("create and init database file '%s' ok\n", db_file);
@@ -88,7 +89,7 @@
 }
 
 
-/*  description: close sqlite database handler
+/* description: close sqlite database handler
  * return value: none
  */
 void database_term(void)
@@ -100,10 +101,10 @@
 }
 
 
-/*  description: push a blob packet into database
- *   input args:
- *               $pack:  blob packet data address
- *               $size:  blob packet data bytes
+/* description: push a blob packet into database
+ * input args:
+ *      $pack:  blob packet data address
+ *      $size:  blob packet data bytes
  * return value: <0: failure   0:ok
  */
 int blobdb_push_packet(void *pack, int size)
@@ -125,7 +126,7 @@
         return -2;
     }
 
-	snprintf(sql, sizeof(sql), "insert into %s(packet) values(?)", TABLE_NAME);
+    snprintf(sql, sizeof(sql), "insert into %s(packet) values(?)", TABLE_NAME);
     rv = sqlite3_prepare_v2(s_clidb, sql, -1, &stat, NULL);
     if(SQLITE_OK!=rv || !stat)
     {
@@ -161,11 +162,11 @@
 }
 
 
-/*  description: pop the first blob packet from database
- *   input args:
- *               $pack:  blob packet output buffer address
- *               $size:  blob packet output buffer size
- *               $byte:  blob packet bytes
+/* description: pop the first blob packet from database
+ * input args:
+ *      $pack:  blob packet output buffer address
+ *      $size:  blob packet output buffer size
+ *      $byte:  blob packet bytes
  * return value: <0: failure   0:ok
  */
 int blobdb_pop_packet(void *pack, int size, int *bytes)
@@ -213,17 +214,17 @@
         goto out;
     }
 
-	*bytes = sqlite3_column_bytes(stat, 0);
+    *bytes = sqlite3_column_bytes(stat, 0);
 
-	if( *bytes > size )
-	{
-		log_error("blob packet bytes[%d] larger than bufsize[%d]\n", *bytes, size);
-		*bytes = 0;
-		rv = -1;
-	}
+    if( *bytes > size )
+    {
+        log_error("blob packet bytes[%d] larger than bufsize[%d]\n", *bytes, size);
+        *bytes = 0;
+        rv = -1;
+    }
 
     memcpy(pack, blob_ptr, *bytes);
-	rv = 0;
+    rv = 0;
 
 out:
     sqlite3_finalize(stat);
@@ -231,8 +232,8 @@
 }
 
 
-/*  description: remove the first blob packet from database
- *   input args: none
+/* description: remove the first blob packet from database
+ * input args: none
  * return value: <0: failure   0:ok
  */
 int blobdb_del_packet(void)

--
Gitblit v1.9.1