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xquartz: Replace assert with FatalError in hw/xquartz/darwin.c.

Browse source 
Thanks to Walter Harms and Matthieu Herrb for recommending replacement
of assert statements in places that are not truly internal inconsistencies
with proper error handling when possible.
This commit is contained in:
Adam Richter 2019-05-10 09:51:58 -07:00
parent c033b0be2b
commit 6c361db883
1 changed files with 31 additions and 7 deletions
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38
hw/xquartz/darwin.c
View file

@ -525,7 +525,11 @@ InitInput(int argc, char **argv)
result = AllocDevicePair(serverClient, "xquartz virtual",
&darwinPointer, &darwinKeyboard,
DarwinMouseProc, DarwinKeybdProc, FALSE);
assert(result == Success);
if (result != Success) {
FatalError("InitInput: AllocDevicePair (...,\"xquartz virtual\",...) "
"returned X windows error %d.\n",
result);
}
/* here's the snippet from the current gdk sources:
if (!strcmp (tmp_name, "pointer"))
@ -542,15 +546,26 @@ InitInput(int argc, char **argv)
*/
darwinTabletStylus = AddInputDevice(serverClient, DarwinTabletProc, TRUE);
assert(darwinTabletStylus);
if (!darwinTabletStylus) {
FatalError("InitInput: "
"AddInputDevice(serverClient, DarwinTabletProc, TRUE) "
"failed.\n");
}
darwinTabletStylus->name = strdup("pen");
darwinTabletCursor = AddInputDevice(serverClient, DarwinTabletProc, TRUE);
assert(darwinTabletCursor);
if(!darwinTabletCursor) {
FatalError("InitInput: "
"AddInputDevice(serverClient, DarwinTabletProc, TRUE) "
"failed.\n");
}
darwinTabletCursor->name = strdup("cursor");
darwinTabletEraser = AddInputDevice(serverClient, DarwinTabletProc, TRUE);
assert(darwinTabletEraser);
if(!darwinTabletEraser) {
FatalError("InitInput: AddInputDevice(serverClient, DarwinTabletProc, TRUE) failed.\n");
}
darwinTabletEraser->name = strdup("eraser");
DarwinEQInit();
@ -681,10 +696,16 @@ OsVendorInit(void)
char *home = getenv("HOME");
int nbytes;
assert(home);
if (!home) {
FatalError("darwin OsVendorInit: "
"getenv(\"HOME\") returned NULL.\n");
}
nbytes = asprintf(&lf, "%s/Library/Logs/X11", home);
assert(nbytes > 0);
if (nbytes <= 0) {
FatalError("darwin OsVendorInit: "
"asprintf of log directory name failed.\n");
}
/* Ignore errors. If EEXIST, we don't care. If anything else,
* LogInit will handle it for us.
@ -694,7 +715,10 @@ OsVendorInit(void)
nbytes = asprintf(&lf, "%s/Library/Logs/X11/%s.log", home,
bundle_id_prefix);
assert(nbytes > 0);
if (nbytes <= 0) {
FatalError("darwin OsVendorInit: "
"asprintf of log file name failed.\n");
}
LogInit(lf, ".old");
free(lf);