vm.fail
ACPI AML decompiler w/ CFG recovery and structured pseudocode
1#include "mem.h"
2
3#include <stdint.h>
4#include <stdio.h>
5#include <stdlib.h>
6#include <string.h>
7
8#ifdef TOBI_SAN_BUILD
9const char *__asan_default_options(void) {
10 return "detect_leaks=0:abort_on_error=1";
11}
12#endif
13
14static void oom(void) {
15 fputs("tobi: out of memory\n", stderr);
16 abort();
17}
18
19void *tobi_xmalloc(size_t n) {
20 void *p = malloc(n == 0 ? 1 : n);
21 if (!p) {
22 oom();
23 }
24 return p;
25}
26
27void *tobi_xcalloc(size_t count, size_t size) {
28 if (size != 0 && count > SIZE_MAX / size) {
29 oom();
30 }
31 void *p = calloc(count == 0 ? 1 : count, size == 0 ? 1 : size);
32 if (!p) {
33 oom();
34 }
35 return p;
36}
37
38void *tobi_xrealloc(void *ptr, size_t n) {
39 void *p = realloc(ptr, n == 0 ? 1 : n);
40 if (!p) {
41 oom();
42 }
43 return p;
44}
45
46size_t tobi_xadd_size(size_t a, size_t b) {
47 if (a > SIZE_MAX - b) {
48 oom();
49 }
50 return a + b;
51}
52
53size_t tobi_xmul_size(size_t a, size_t b) {
54 if (b != 0 && a > SIZE_MAX / b) {
55 oom();
56 }
57 return a * b;
58}
59
60size_t tobi_xgrow_cap(size_t current, size_t required, size_t initial) {
61 size_t cap = current ? current : (initial ? initial : 1u);
62 while (cap < required) {
63 if (cap > SIZE_MAX / 2u) {
64 cap = required;
65 break;
66 }
67 cap *= 2u;
68 }
69 return cap;
70}
71
72char *tobi_xstrdup(const char *s) {
73 size_t n = strlen(s);
74 char *out = tobi_xmalloc(n + 1);
75 memcpy(out, s, n + 1);
76 return out;
77}
78
79char *tobi_xstrndup(const char *s, size_t n) {
80 char *out = tobi_xmalloc(n + 1);
81 memcpy(out, s, n);
82 out[n] = '\0';
83 return out;
84}