1 /*
2 * stdlib.h
3 */
4
5 #ifndef _STDLIB_H
6 #define _STDLIB_H
7
8 #include <klibc/extern.h>
9 #include <klibc/compiler.h>
10 #include <stddef.h>
11
12 #define EXIT_FAILURE 1
13 #define EXIT_SUCCESS 0
14
15 __extern __noreturn abort(void);
abs(int __n)16 static __inline__ int abs(int __n)
17 {
18 return (__n < 0) ? -__n : __n;
19 }
20
21 __extern int atexit(void (*)(void));
22 __extern int on_exit(void (*)(int, void *), void *);
23 __extern int atoi(const char *);
24 __extern long atol(const char *);
25 __extern long long atoll(const char *);
26 __extern __noreturn exit(int);
27 __extern __noreturn _Exit(int);
28 __extern void free(void *);
labs(long __n)29 static __inline__ long labs(long __n)
30 {
31 return (__n < 0L) ? -__n : __n;
32 }
33
llabs(long long __n)34 static __inline__ long long llabs(long long __n)
35 {
36 return (__n < 0LL) ? -__n : __n;
37 }
38
39 __extern __mallocfunc void *malloc(size_t);
40 __extern __mallocfunc void *zalloc(size_t);
41 __extern __mallocfunc void *calloc(size_t, size_t);
42 __extern __mallocfunc void *realloc(void *, size_t);
43 __extern long strtol(const char *, char **, int);
44 __extern long long strtoll(const char *, char **, int);
45 __extern unsigned long strtoul(const char *, char **, int);
46 __extern unsigned long long strtoull(const char *, char **, int);
47
getenv(const char * name)48 static __inline__ char *getenv(const char *name)
49 {
50 (void)name;
51 return NULL;
52 }
53
54 __extern int putenv(const char *);
55 __extern int setenv(const char *, const char *, int);
56 __extern int unsetenv(const char *);
57
58 __extern void qsort(void *, size_t, size_t,
59 int (*)(const void *, const void *));
60
61 __extern long jrand48(unsigned short *);
62 __extern long mrand48(void);
63 __extern long nrand48(unsigned short *);
64 __extern long lrand48(void);
65 __extern unsigned short *seed48(const unsigned short *);
66 __extern void srand48(long);
67
68 #define RAND_MAX 0x7fffffff
rand(void)69 static __inline__ int rand(void)
70 {
71 return (int)lrand48();
72 }
73
srand(unsigned int __s)74 static __inline__ void srand(unsigned int __s)
75 {
76 srand48(__s);
77 }
78
random(void)79 static __inline__ long random(void)
80 {
81 return lrand48();
82 }
83
srandom(unsigned int __s)84 static __inline__ void srandom(unsigned int __s)
85 {
86 srand48(__s);
87 }
88
89 /* Basic PTY functions. These only work if devpts is mounted! */
90
91 __extern int unlockpt(int);
92 __extern char *ptsname(int);
93 __extern int getpt(void);
94
grantpt(int __fd)95 static __inline__ int grantpt(int __fd)
96 {
97 (void)__fd;
98 return 0; /* devpts does this all for us! */
99 }
100
101 #endif /* _STDLIB_H */
102