litex/soc/misoc/software/include/base/stdlib.h

   1 /*
   2  * MiSoC
   3  * Copyright (C) 2007, 2008, 2009, 2011 Sebastien Bourdeauducq
   4  * Copyright (C) Linux kernel developers
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, version 3 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef __STDLIB_H
  20 #define __STDLIB_H
  21
  22 #include <stddef.h>
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28 #define PRINTF_ZEROPAD  1               /* pad with zero */
  29 #define PRINTF_SIGN     2               /* unsigned/signed long */
  30 #define PRINTF_PLUS     4               /* show plus */
  31 #define PRINTF_SPACE    8               /* space if plus */
  32 #define PRINTF_LEFT     16              /* left justified */
  33 #define PRINTF_SPECIAL  32              /* 0x */
  34 #define PRINTF_LARGE    64              /* use 'ABCDEF' instead of 'abcdef' */
  35
  36 #define likely(x) x
  37 #define unlikely(x) x
  38
  39 static inline int abs(int x)
  40 {
  41         return x > 0 ? x : -x;
  42 }
  43
  44 static inline long int labs(long int x)
  45 {
  46         return x > 0 ? x : -x;
  47 }
  48
  49 unsigned long strtoul(const char *nptr, char **endptr, int base);
  50 long strtol(const char *nptr, char **endptr, int base);
  51 double strtod(const char *str, char **endptr);
  52
  53 int skip_atoi(const char **s);
  54 static inline int atoi(const char *nptr) {
  55         return strtol(nptr, NULL, 10);
  56 }
  57 static inline long atol(const char *nptr) {
  58         return (long)atoi(nptr);
  59 }
  60 char *number(char *buf, char *end, unsigned long num, int base, int size, int precision, int type);
  61
  62 #define   RAND_MAX        2147483647
  63
  64 unsigned int rand(void);
  65 void srand(unsigned int seed);
  66 void abort(void) __attribute__((noreturn));
  67
  68 void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *));
  69
  70 /*
  71  * The following functions are not provided by this library.
  72  */
  73
  74 char *getenv(const char *name);
  75
  76 void *malloc(size_t size);
  77 void free(void *ptr);
  78 void *realloc(void *ptr, size_t size);
  79
  80 #ifdef __cplusplus
  81 }
  82 #endif
  83
  84 #endif /* __STDLIB_H */