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Check return value from call to gtk_init_check()

This commit is contained in:
ManoloFLTK 2022-11-06 08:11:05 +01:00
parent 6ccd71697d
commit 44219594d1
1 changed files with 5 additions and 2 deletions
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7
src/drivers/Posix/Fl_Posix_System_Driver.cxx
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@ -247,7 +247,7 @@ void *Fl_Posix_System_Driver::dlopen_or_dlsym(const char *lib_name, const char *
void *Fl_Posix_System_Driver::ptr_gtk = NULL;
bool Fl_Posix_System_Driver::probe_for_GTK(int major, int minor, void **p_ptr_gtk) {
typedef void (*init_t)(int*, void*);
typedef int (*init_t)(int*, char***);
init_t init_f = NULL;
// was GTK previously loaded?
if (Fl_Posix_System_Driver::ptr_gtk) { // yes, it was.
@ -287,7 +287,10 @@ bool Fl_Posix_System_Driver::probe_for_GTK(int major, int minor, void **p_ptr_gt
char *p = setlocale(LC_ALL, NULL);
if (p) before = fl_strdup(p);
int ac = 0;
init_f(&ac, NULL); // may change the locale
if ( !init_f(&ac, NULL) ) { // may change the locale
free(before);
return false;
}
if (before) {
setlocale(LC_ALL, before); // restore calling program's current locale
free(before);