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Add support for div() to the C library. From OrbitalFox

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This commit is contained in:
Stavros Polymenis
2015-08-14 08:35:01 -06:00
committed by Gregory Nutt
parent dd7ffa481c
commit 301f215638
4 changed files with 101 additions and 5 deletions
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include/stdlib.h
+18 -2
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@@ -1,7 +1,7 @@
/****************************************************************************
* include/stdlib.h
*
* Copyright (C) 2007-2014 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -95,6 +95,16 @@ struct mallinfo
* by free (not in use) chunks.*/
};
/* Structure type returned by the div() function. */
struct div_s
{
int quot; /* Quotient */
int rem; /* Remainder */
};
typedef struct div_s div_t;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
@@ -170,13 +180,19 @@ FAR void *memalign(size_t, size_t);
FAR void *zalloc(size_t);
FAR void *calloc(size_t, size_t);
/* Misc */
/* Arithmetic */
int abs(int j);
#ifdef CONFIG_CAN_PASS_STRUCTS
div_t div(int numer, int denom);
#endif
long int labs(long int j);
#ifdef CONFIG_HAVE_LONG_LONG
long long int llabs(long long int j);
#endif
/* Temporary files */
int mktemp(FAR char *path_template);
int mkstemp(FAR char *path_template);