com32/include/stdlib.h

   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);
  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 *);
  29 static __inline__ long labs(long __n)
  30 {
  31     return (__n < 0L) ? -__n : __n;
  32 }
  33
  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
  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
  69 static __inline__ int rand(void)
  70 {
  71     return (int)lrand48();
  72 }
  73
  74 static __inline__ void srand(unsigned int __s)
  75 {
  76     srand48(__s);
  77 }
  78
  79 static __inline__ long random(void)
  80 {
  81     return lrand48();
  82 }
  83
  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
  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 */