fish-shell/src/sanity.cpp
2017-01-24 15:24:13 -08:00

41 lines
1.1 KiB
C++

// Functions for performing sanity checks on the program state.
#include "config.h" // IWYU pragma: keep
#include <unistd.h>
#include "common.h"
#include "fallback.h" // IWYU pragma: keep
#include "history.h"
#include "kill.h"
#include "proc.h"
#include "reader.h"
#include "sanity.h"
/// Status from earlier sanity checks.
static bool insane = false;
void sanity_lose() {
debug(0, _(L"Errors detected, shutting down. Break on sanity_lose() to debug."));
insane = true;
}
bool sanity_check() {
if (!insane && shell_is_interactive()) history_sanity_check();
if (!insane) reader_sanity_check();
if (!insane) kill_sanity_check();
if (!insane) proc_sanity_check();
return insane;
}
void validate_pointer(const void *ptr, const wchar_t *err, int null_ok) {
// Test if the pointer data crosses a segment boundary.
if ((0x00000003l & (intptr_t)ptr) != 0) {
debug(0, _(L"The pointer '%ls' is invalid"), err);
sanity_lose();
}
if ((!null_ok) && (ptr == 0)) {
debug(0, _(L"The pointer '%ls' is null"), err);
sanity_lose();
}
}