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Replaced remaining asserts in ipxconfig with error messages

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This commit is contained in:
Daniel Collins 2011-07-09 03:31:54 +00:00
parent 8228b5af49
commit 877edb3d85
2 changed files with 34 additions and 14 deletions
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2
changes.txt
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@ -12,6 +12,8 @@ Version 0.2.1:
Feature: Optionally log names of all WinSock calls.
Bugfix: Store correct DLL name in stub DLLs.
Cleanup: Replace assert calls with proper error checks in ipxconfig.
Version 0.2:
Implemented ioctlsocket() function with support for FIONREAD.

46
src/ipxconfig.cpp
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@ -21,7 +21,6 @@
#include <commctrl.h>
#include <iphlpapi.h>
#include <iostream>
#include <assert.h>
#include <string>
#include <vector>
#include <stdint.h>
@ -70,6 +69,7 @@ static HWND create_child(HWND parent, int x, int y, int w, int h, LPCTSTR class_
static void add_list_column(HWND hwnd, int id, char *text, int width);
static int get_text_width(HWND hwnd, const char *txt);
static int get_text_height(HWND hwnd);
static RECT get_window_rect(HWND hwnd);
static std::string w32_errmsg(DWORD errnum);
static void die(std::string msg);
@ -207,15 +207,13 @@ static LRESULT CALLBACK main_wproc(HWND window, UINT msg, WPARAM wp, LPARAM lp)
case WM_SIZE:
int width = LOWORD(lp), height = HIWORD(lp);
RECT rect;
assert(GetWindowRect(windows.nic_conf, &rect));
RECT rect = get_window_rect(windows.nic_conf);
int conf_h = rect.bottom - rect.top;
assert(GetWindowRect(windows.global_conf, &rect));
rect = get_window_rect(windows.global_conf);
int gc_h = rect.bottom - rect.top;
assert(GetWindowRect(windows.button_box, &rect));
rect = get_window_rect(windows.button_box);
int btn_w = rect.right - rect.left;
MoveWindow(windows.nic_list, 0, 0, width, height-conf_h-gc_h, TRUE);
@ -280,14 +278,16 @@ static LRESULT CALLBACK addr_dialog_wproc(HWND hwnd, UINT msg, WPARAM wp, LPARAM
MoveWindow(ok, edit_w+10, 5, btn_w, height, TRUE);
MoveWindow(cancel, edit_w+btn_w+15, 5, btn_w, height, TRUE);
RECT crect, brect;
assert(GetClientRect(hwnd, &crect));
assert(GetWindowRect(hwnd, &brect));
RECT crect, brect = get_window_rect(hwnd);
if(!GetClientRect(hwnd, &crect)) {
die("GetClientRect failed: " + w32_errmsg(GetLastError()));
}
int win_w = ((brect.right - brect.left) - crect.right) + edit_w + 2*btn_w + 20;
int win_h = ((brect.bottom - brect.top) - crect.bottom) + height + 10;
assert(GetWindowRect(windows.main, &brect));
brect = get_window_rect(windows.main);
int win_x = brect.left + (brect.right - brect.left) / 2 - win_w / 2;
int win_y = brect.top + (brect.bottom - brect.top) / 2 - win_h / 2;
@ -744,10 +744,14 @@ static void add_list_column(HWND hwnd, int id, char *text, int width) {
static int get_text_width(HWND hwnd, const char *txt) {
HDC dc = GetDC(hwnd);
assert(dc);
if(!dc) {
die("GetDC failed");
}
SIZE size;
assert(GetTextExtentPoint32(dc, txt, strlen(txt), &size));
if(!GetTextExtentPoint32(dc, txt, strlen(txt), &size)) {
die("GetTextExtentPoint32 failed");
}
ReleaseDC(hwnd, dc);
@ -756,16 +760,30 @@ static int get_text_width(HWND hwnd, const char *txt) {
static int get_text_height(HWND hwnd) {
HDC dc = GetDC(hwnd);
assert(dc);
if(!dc) {
die("GetDC failed");
}
TEXTMETRIC tm;
assert(GetTextMetrics(dc, &tm));
if(!GetTextMetrics(dc, &tm)) {
die("GetTextMetrics failed");
}
ReleaseDC(hwnd, dc);
return tm.tmHeight;
}
static RECT get_window_rect(HWND hwnd) {
RECT rect;
if(!GetWindowRect(hwnd, &rect)) {
die("GetWindowRect failed: " + w32_errmsg(GetLastError()));
}
return rect;
}
/* Convert a win32 error number to a message */
static std::string w32_errmsg(DWORD errnum) {
char buf[256] = {'\0'};