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wmpager: fix memory leaks pointed out by valgrind

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Alexey I. Froloff 2012-08-22 20:40:30 +04:00 committed by Carlos R. Mafra
parent aca75d2e2d
commit 2f27664839
1 changed files with 38 additions and 30 deletions
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68
wmpager/src/wmpager.c
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@ -27,8 +27,6 @@
#define AUTHOR "Bruno Essmann <essmann@users.sourceforge.net>" #define AUTHOR "Bruno Essmann <essmann@users.sourceforge.net>"
#define APPLICATION "wmpager" #define APPLICATION "wmpager"
#define VERSION "1.2" #define VERSION "1.2"
#define BUILD_REV "$Revision: 1.4 $"
#define BUILD_DATE "$Date: 2002/08/16 17:22:26 $"
#define XA_NET_NUMBER_OF_DESKTOPS "_NET_NUMBER_OF_DESKTOPS" #define XA_NET_NUMBER_OF_DESKTOPS "_NET_NUMBER_OF_DESKTOPS"
#define XA_NET_CURRENT_DESKTOP "_NET_CURRENT_DESKTOP" #define XA_NET_CURRENT_DESKTOP "_NET_CURRENT_DESKTOP"
@ -159,7 +157,7 @@ int main (int nArgc, char** szArgv) {
} else if (strcmp("-t", szArgv[i]) == 0 || strcmp("--theme", szArgv[i]) == 0) { } else if (strcmp("-t", szArgv[i]) == 0 || strcmp("--theme", szArgv[i]) == 0) {
i+= 1; i+= 1;
if (i < nArgc) { if (i < nArgc) {
szTheme= szArgv[i]; szTheme= strdup(szArgv[i]);
} else { } else {
fprintf(stderr, "%s: theme argument expected for '%s'\n\n", getApplicationName(), szArgv[i-1]); fprintf(stderr, "%s: theme argument expected for '%s'\n\n", getApplicationName(), szArgv[i-1]);
usage(0); usage(0);
@ -254,13 +252,7 @@ void usage (int bVerbose) {
} }
void info () { void info () {
char* szRev= strdup(BUILD_REV); fprintf(stdout, "%s %s\n\n", APPLICATION, VERSION);
char* szDate= strdup(BUILD_DATE);
szRev= &szRev[11];
szRev[strlen(szRev) - 2]= '\0';
szDate= &szDate[7];
szDate[strlen(szDate) - 2]= '\0';
fprintf(stdout, "%s %s (build %s, %s)\n\n", APPLICATION, VERSION, szRev, szDate);
} }
/* /*
@ -373,8 +365,7 @@ void initWindow (int nArgc, char** szArgv) {
XSizeHints *xsizehints; XSizeHints *xsizehints;
XWMHints* xwmhints; XWMHints* xwmhints;
XClassHint* xclasshint; XClassHint* xclasshint;
XTextProperty* xtApplication; XTextProperty xtApplication;
XGCValues xgcMain;
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] initializing application window\n", currentTimeMillis()); fprintf(stdout, "[%8ld] initializing application window\n", currentTimeMillis());
@ -419,14 +410,18 @@ void initWindow (int nArgc, char** szArgv) {
XSetWMNormalHints(display, _wMain, xsizehints); XSetWMNormalHints(display, _wMain, xsizehints);
xtApplication= (XTextProperty*) malloc(sizeof(XTextProperty)); XFree(xclasshint);
if (XStringListToTextProperty(&szApplicationName, 1, xtApplication) == 0) { XFree(xwmhints);
XFree(xsizehints);
if (XStringListToTextProperty(&szApplicationName, 1, &xtApplication) == 0) {
fprintf(stderr, "Cannot set window title.\n"); fprintf(stderr, "Cannot set window title.\n");
exit(-1); exit(-1);
} }
XSetWMName(display, _wMain, xtApplication); XSetWMName(display, _wMain, &xtApplication);
XFree(xtApplication.value);
_gcMain= XCreateGC(display, _wMain, (GCForeground | GCBackground), &xgcMain); _gcMain= XCreateGC(display, _wMain, 0L, NULL);
if (_gcMain == NULL) { if (_gcMain == NULL) {
fprintf(stderr, "Cannot create graphics context.\n"); fprintf(stderr, "Cannot create graphics context.\n");
exit(-1); exit(-1);
@ -453,7 +448,6 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
Window wRoot= getRootWindow(); Window wRoot= getRootWindow();
Window wMain= getMainWindow(); Window wMain= getMainWindow();
Window wIcon= getIconWindow(); Window wIcon= getIconWindow();
XGCValues xgc, xgcWindow;
Pixmap pOpaque, pTransparent, pMask; Pixmap pOpaque, pTransparent, pMask;
char* mask= (char*) malloc(512); char* mask= (char*) malloc(512);
int i; int i;
@ -484,7 +478,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
exit(-1); exit(-1);
} }
gc= XCreateGC(display, pMask, (GCForeground | GCBackground), &xgc); gc= XCreateGC(display, pMask, 0L, NULL);
if (gc == NULL) { if (gc == NULL) {
fprintf(stderr, "%s: couldn't create window mask (mask graphics).\n", getApplicationName()); fprintf(stderr, "%s: couldn't create window mask (mask graphics).\n", getApplicationName());
exit(-1); exit(-1);
@ -495,6 +489,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
XCopyArea(display, pOpaque, pMask, gc, nButtonX, nButtonY, getButtonWidth(), getButtonHeight(), nButtonX, nButtonY); XCopyArea(display, pOpaque, pMask, gc, nButtonX, nButtonY, getButtonWidth(), getButtonHeight(), nButtonX, nButtonY);
} }
free(mask);
XFreePixmap(display, pOpaque); XFreePixmap(display, pOpaque);
XFreePixmap(display, pTransparent); XFreePixmap(display, pTransparent);
XFreeGC(display, gc); XFreeGC(display, gc);
@ -522,7 +517,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
struct stat buf; struct stat buf;
/* check for absolute button theme pathname */ /* check for absolute button theme pathname */
if (stat(szButtonTheme, &buf) == -1) { if (stat(szButtonTheme, &buf) == -1) {
char* szNewTheme= (char*) malloc(strlen(szButtonTheme) + 4); char* szNewTheme= (char*) malloc(strlen(szButtonTheme) + 5);
strcpy(szNewTheme, szButtonTheme); strcpy(szNewTheme, szButtonTheme);
strcat(szNewTheme, ".xpm"); strcat(szNewTheme, ".xpm");
if (isVerbose()) { if (isVerbose()) {
@ -530,6 +525,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
} }
/* check for absolute button theme pathname (with .xpm added) */ /* check for absolute button theme pathname (with .xpm added) */
if (stat(szNewTheme, &buf) == 0) { if (stat(szNewTheme, &buf) == 0) {
free(szButtonTheme);
szButtonTheme= szNewTheme; szButtonTheme= szNewTheme;
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme); fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
@ -540,7 +536,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
} }
} }
if (bCheckAgain && szInstallDir != NULL) { if (bCheckAgain && szInstallDir != NULL) {
char* szNewTheme= (char*) malloc(strlen(szInstallDir) + strlen(szButtonTheme) + 5); char* szNewTheme= (char*) malloc(strlen(szInstallDir) + strlen(szButtonTheme) + 6);
strcpy(szNewTheme, szInstallDir); strcpy(szNewTheme, szInstallDir);
if (szNewTheme[strlen(szNewTheme) - 1] != '/') { if (szNewTheme[strlen(szNewTheme) - 1] != '/') {
strcat(szNewTheme, "/"); strcat(szNewTheme, "/");
@ -548,6 +544,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
strcat(szNewTheme, szButtonTheme); strcat(szNewTheme, szButtonTheme);
if (stat(szNewTheme, &buf) == 0) { if (stat(szNewTheme, &buf) == 0) {
bCheckAgain= 0; bCheckAgain= 0;
free(szButtonTheme);
szButtonTheme= szNewTheme; szButtonTheme= szNewTheme;
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme); fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
@ -556,10 +553,13 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
strcat(szNewTheme, ".xpm"); strcat(szNewTheme, ".xpm");
if (stat(szNewTheme, &buf) == 0) { if (stat(szNewTheme, &buf) == 0) {
bCheckAgain= 0; bCheckAgain= 0;
free(szButtonTheme);
szButtonTheme= szNewTheme; szButtonTheme= szNewTheme;
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme); fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
} }
} else {
free(szNewTheme);
} }
} }
} }
@ -568,7 +568,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
char* szHome= (char*) getenv("HOME"); char* szHome= (char*) getenv("HOME");
if (szHome) { if (szHome) {
/* one really shouldn't copy&paste but hey this is a q&d tool */ /* one really shouldn't copy&paste but hey this is a q&d tool */
char* szNewTheme= (char*) malloc(strlen(szHome) + strlen(szButtonTheme) + strlen(WMPAGER_USER_DIR) + 5); char* szNewTheme= (char*) malloc(strlen(szHome) + strlen(szButtonTheme) + strlen(WMPAGER_USER_DIR) + 6);
strcpy(szNewTheme, szHome); strcpy(szNewTheme, szHome);
if (szNewTheme[strlen(szNewTheme) - 1] != '/') { if (szNewTheme[strlen(szNewTheme) - 1] != '/') {
strcat(szNewTheme, "/"); strcat(szNewTheme, "/");
@ -577,6 +577,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
strcat(szNewTheme, szButtonTheme); strcat(szNewTheme, szButtonTheme);
if (stat(szNewTheme, &buf) == 0) { if (stat(szNewTheme, &buf) == 0) {
bCheckAgain= 0; bCheckAgain= 0;
free(szButtonTheme);
szButtonTheme= szNewTheme; szButtonTheme= szNewTheme;
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme); fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
@ -585,10 +586,13 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
strcat(szNewTheme, ".xpm"); strcat(szNewTheme, ".xpm");
if (stat(szNewTheme, &buf) == 0) { if (stat(szNewTheme, &buf) == 0) {
bCheckAgain= 0; bCheckAgain= 0;
free(szButtonTheme);
szButtonTheme= szNewTheme; szButtonTheme= szNewTheme;
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme); fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
} }
} else {
free(szNewTheme);
} }
} }
} }
@ -601,6 +605,8 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
fprintf(stderr, "%s: couldn't read button theme '%s'.\n", getApplicationName(), szButtonTheme); fprintf(stderr, "%s: couldn't read button theme '%s'.\n", getApplicationName(), szButtonTheme);
exit(-1); exit(-1);
} }
free(szButtonTheme);
} }
if (isVerbose()) { if (isVerbose()) {
@ -617,8 +623,8 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
exit(-1); exit(-1);
} }
_gcWindow= XCreateGC(_display, _pWindow, (GCForeground | GCBackground), &xgcWindow); _gcWindow= XCreateGC(_display, _pWindow, 0L, NULL);
if (gc == NULL) { if (_gcWindow == NULL) {
fprintf(stderr, "%s: couldn't create screen buffer graphics.\n", getApplicationName()); fprintf(stderr, "%s: couldn't create screen buffer graphics.\n", getApplicationName());
exit(-1); exit(-1);
} }
@ -690,6 +696,7 @@ void getWindowOrigin (Window w, int* nX, int* nY) {
void loop () { void loop () {
Display* display= getDisplay(); Display* display= getDisplay();
XEvent event; XEvent event;
char* atom_name;
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] starting event loop\n", currentTimeMillis()); fprintf(stdout, "[%8ld] starting event loop\n", currentTimeMillis());
@ -719,7 +726,10 @@ void loop () {
} }
break; break;
case PropertyNotify: case PropertyNotify:
if (strcmp(XA_NET_CURRENT_DESKTOP, XGetAtomName(getDisplay(), event.xproperty.atom)) == 0) { atom_name = XGetAtomName(getDisplay(), event.xproperty.atom);
if (atom_name == NULL)
break;
if (strcmp(XA_NET_CURRENT_DESKTOP, atom_name) == 0) {
setCurrentScreen(-1); setCurrentScreen(-1);
if (isVerbose()) { if (isVerbose()) {
fprintf(stdout, "[%8ld] new current workspace (%d= %s)\n", fprintf(stdout, "[%8ld] new current workspace (%d= %s)\n",
@ -727,6 +737,7 @@ void loop () {
} }
redrawWindow(); redrawWindow();
} }
XFree(atom_name);
break; break;
case DestroyNotify: case DestroyNotify:
if (isVerbose()) { if (isVerbose()) {
@ -947,9 +958,7 @@ void setCurrentScreen (int nCurrentScreen) {
if ((nFormat == 32) && (nItems == 1) && (nBytesAfter == 0)) { if ((nFormat == 32) && (nItems == 1) && (nBytesAfter == 0)) {
nScreen= *(long*) data; nScreen= *(long*) data;
} }
if (xaType != None) { XFree(data);
XFree(data);
}
_nLastScreen= nScreen; _nLastScreen= nScreen;
} else { } else {
_nLastScreen= nCurrentScreen; _nLastScreen= nCurrentScreen;
@ -977,12 +986,11 @@ void initScreens () {
if ((nFormat == 32) && (nItems == 1) && (nBytesAfter == 0)) { if ((nFormat == 32) && (nItems == 1) && (nBytesAfter == 0)) {
_nScreens= *(long*) data; _nScreens= *(long*) data;
} }
if (xaType != None) { XFree(data);
XFree(data);
}
XGetTextProperty(getDisplay(), getRootWindow(), &tp, _xaNetDesktopNames); XGetTextProperty(getDisplay(), getRootWindow(), &tp, _xaNetDesktopNames);
Xutf8TextPropertyToTextList(getDisplay(), &tp, &_szScreenNames, &_nDesktopNames); Xutf8TextPropertyToTextList(getDisplay(), &tp, &_szScreenNames, &_nDesktopNames);
XFree(tp.value);
_nLastScreen= -1; _nLastScreen= -1;
setCurrentScreen(-1); setCurrentScreen(-1);