Примеры ошибок, обнаруженных с помощью диагностики V605

V605. Unsigned value is compared to the NN number. Consider inspecting the expression.

VirtualDub

V605 Consider verifying the expression: icErr <= - 400L. An unsigned value is compared to the number -400. system error_win32.cpp 54

#define ICERR_CUSTOM -400L

static const char *GetVCMErrorString(uint32 icErr) {
  ....
  if (icErr <= ICERR_CUSTOM)
    err = "A codec-specific error occurred.";
  ....
}

PHP:Hypertext Preprocessor

V605 Consider verifying the expression: shell_wrote > - 1. An unsigned value is compared to the number -1. php_cli.c 266

PHP_CLI_API size_t sapi_cli_single_write(....)
{
  ....
  size_t shell_wrote;
  shell_wrote = cli_shell_callbacks.cli_shell_write(....);
  if (shell_wrote > -1) {  // <=
    return shell_wrote;
  }
  ....
}

FreeSWITCH

V605 Consider verifying the expression: context->curlfd > - 1. An unsigned value is compared to the number -1. mod_shout.c 151

typedef SOCKET curl_socket_t;
curl_socket_t curlfd;

static inline void free_context(shout_context_t *context)
{
  ....
  if (context->curlfd > -1) {
    shutdown(context->curlfd, 2);
    context->curlfd = -1;
  }
  ....
}

The GTK+ Project

V605 Consider verifying the expression. An unsigned value is compared to the number -3. gtktextview.c 9162

struct GtkTargetPair {
  GdkAtom   target;
  guint     flags;
  guint     info;
};

typedef enum
{
  GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS = - 1,
  GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT       = - 2,
  GTK_TEXT_BUFFER_TARGET_INFO_TEXT            = - 3
} GtkTextBufferTargetInfo;

static void
gtk_text_view_target_list_notify (....)
{
  ....
  if (pair->info >= GTK_TEXT_BUFFER_TARGET_INFO_TEXT &&
      pair->info <= GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
  ....
}

Similar errors can be found in some other places:

• V605 Consider verifying the expression. An unsigned value is compared to the number -1. gtktextview.c 9163

PHP:Hypertext Preprocessor

V605 Consider verifying the expression: ub_wrote > - 1. An unsigned value is compared to the number -1. php_cli.c 307

static size_t
sapi_cli_ub_write(const char *str, size_t str_length)
{
  ....
  size_t ub_wrote;
  ub_wrote = cli_shell_callbacks
                    .cli_shell_ub_write(str, str_length);
  if (ub_wrote > -1) {
    return ub_wrote;
  }
}

Similar errors can be found in some other places:

• V605 Consider verifying the expression: shell_wrote > - 1. An unsigned value is compared to the number -1. php_cli.c 272

ReactOS

V605 Consider verifying the expression. An unsigned value is compared to the number -3. link.c 267

typedef enum {
  HLINKSETF_TARGET   = 0x00000001,
  HLINKSETF_LOCATION = 0x00000002
} HLINKSETF;

typedef unsigned long       DWORD;

static HRESULT WINAPI IHlink_fnSetStringReference(
  IHlink* iface,
  DWORD grfHLSETF,
  LPCWSTR pwzTarget,
  LPCWSTR pwzLocation)
{
  HlinkImpl  *This = impl_from_IHlink(iface);
  ....
  if(grfHLSETF > (HLINKSETF_TARGET | HLINKSETF_LOCATION) &&
     grfHLSETF < -(HLINKSETF_TARGET | HLINKSETF_LOCATION))      // <=
       return grfHLSETF;
   ....
}