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authorAndrei Karas <akaras@inbox.ru>2016-09-30 18:21:14 +0300
committerAndrei Karas <akaras@inbox.ru>2016-09-30 20:37:26 +0300
commit2000a698da35915afb1a598433337a735d27ae24 (patch)
tree119c8d409657cee1d90cd0c072ef3b7e846fa3f0 /src/common
parent84ecefb4db23bbd98194a43a592cfe313477a1ab (diff)
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Add different fixes for gcc 7 warnings.
Some possible buffer overflows. Add attribute for mark fallthrough cases. Skipped libconfig warnings.
Diffstat (limited to 'src/common')
-rw-r--r--src/common/cbasetypes.h7
-rw-r--r--src/common/db.c1
-rw-r--r--src/common/sql.c9
3 files changed, 17 insertions, 0 deletions
diff --git a/src/common/cbasetypes.h b/src/common/cbasetypes.h
index d3db86543..33d617b13 100644
--- a/src/common/cbasetypes.h
+++ b/src/common/cbasetypes.h
@@ -298,6 +298,13 @@ typedef uintptr_t uintptr;
#define PRAGMA_GCC45(str)
#endif // ! defined(__GNUC__) && (defined(__clang__) || GCC_VERSION >= 40500)
+// fallthrough attribute only enabled on gcc >= 7.0
+#if defined(__GNUC__) && (GCC_VERSION >= 70000)
+#define FALLTHROUGH __attribute__ ((fallthrough));
+#else // ! defined(__GNUC__) && (GCC_VERSION >= 70000)
+#define FALLTHROUGH
+#endif // ! defined(__GNUC__) && (GCC_VERSION >= 70000)
+
// boolean types for C
#if !defined(_MSC_VER) || _MSC_VER >= 1800
// MSVC doesn't have stdbool.h yet as of Visual Studio 2012 (MSVC version 17.00)
diff --git a/src/common/db.c b/src/common/db.c
index bbcac4b33..0c7bc2ae0 100644
--- a/src/common/db.c
+++ b/src/common/db.c
@@ -2418,6 +2418,7 @@ enum DBOptions db_fix_options(enum DBType type, enum DBOptions options)
default:
ShowError("db_fix_options: Unknown database type %u with options %x\n", type, options);
+ FALLTHROUGH
case DB_STRING:
case DB_ISTRING: // String databases, no fix required
return options;
diff --git a/src/common/sql.c b/src/common/sql.c
index be0bd43e3..7e3e2e46f 100644
--- a/src/common/sql.c
+++ b/src/common/sql.c
@@ -422,39 +422,48 @@ static int Sql_P_BindSqlDataType(MYSQL_BIND* bind, enum SqlDataType buffer_type,
break;
// fixed size
case SQLDT_UINT8: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_INT8: bind->buffer_type = MYSQL_TYPE_TINY;
buffer_len = 1;
break;
case SQLDT_UINT16: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_INT16: bind->buffer_type = MYSQL_TYPE_SHORT;
buffer_len = 2;
break;
case SQLDT_UINT32: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_INT32: bind->buffer_type = MYSQL_TYPE_LONG;
buffer_len = 4;
break;
case SQLDT_UINT64: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_INT64: bind->buffer_type = MYSQL_TYPE_LONGLONG;
buffer_len = 8;
break;
// platform dependent size
case SQLDT_UCHAR: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_CHAR: bind->buffer_type = Sql_P_SizeToMysqlIntType(sizeof(char));
buffer_len = sizeof(char);
break;
case SQLDT_USHORT: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_SHORT: bind->buffer_type = Sql_P_SizeToMysqlIntType(sizeof(short));
buffer_len = sizeof(short);
break;
case SQLDT_UINT: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_INT: bind->buffer_type = Sql_P_SizeToMysqlIntType(sizeof(int));
buffer_len = sizeof(int);
break;
case SQLDT_ULONG: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_LONG: bind->buffer_type = Sql_P_SizeToMysqlIntType(sizeof(long));
buffer_len = sizeof(long);
break;
case SQLDT_ULONGLONG: bind->is_unsigned = 1;
+ FALLTHROUGH
case SQLDT_LONGLONG: bind->buffer_type = Sql_P_SizeToMysqlIntType(sizeof(int64));
buffer_len = sizeof(int64);
break;