Changeset 8338a81 in mainline for uspace/lib/c


Ignore:
Timestamp:
2018-06-16T22:20:39Z (7 years ago)
Author:
Jiri Svoboda <jiri@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
379db9ef
Parents:
55092672
Message:

div, ldiv, lldiv should go to libc's stdio.h Add MB_CUR_MAX. Adjust MB_LEN_MAX. Add tests.

Location:
uspace/lib/c
Files:
4 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/c/Makefile

    r55092672 r8338a81  
    193193        test/qsort.c \
    194194        test/sprintf.c \
     195        test/stdlib.c \
    195196        test/str.c
    196197

  • uspace/lib/c/generic/stdlib.c

    r55092672 r8338a81  
    4747}
    4848
     49/** Compute quotient and remainder of int division.
     50 *
     51 * @param numer Numerator
     52 * @param denom Denominator
     53 * @return Structure containing quotient and remainder
     54 */
     55div_t div(int numer, int denom)
     56{
     57        div_t d;
     58
     59        d.quot = numer / denom;
     60        d.rem = numer % denom;
     61
     62        return d;
     63}
     64
     65/** Compute quotient and remainder of long division.
     66 *
     67 * @param numer Numerator
     68 * @param denom Denominator
     69 * @return Structure containing quotient and remainder
     70 */
     71ldiv_t ldiv(long numer, long denom)
     72{
     73        ldiv_t d;
     74
     75        d.quot = numer / denom;
     76        d.rem = numer % denom;
     77
     78        return d;
     79}
     80
     81/** Compute quotient and remainder of long long division.
     82 *
     83 * @param numer Numerator
     84 * @param denom Denominator
     85 * @return Structure containing quotient and remainder
     86 */
     87lldiv_t lldiv(long long numer, long long denom)
     88{
     89        lldiv_t d;
     90
     91        d.quot = numer / denom;
     92        d.rem = numer % denom;
     93
     94        return d;
     95}
     96
    4997/** @}
    5098 */

  • uspace/lib/c/include/stdlib.h

    r55092672 r8338a81  
    3636#define LIBC_STDLIB_H_
    3737
     38#include <_bits/size_t.h>
     39#include <_bits/wchar_t.h>
    3840#include <malloc.h>
    3941#include <qsort.h>
    4042
    41 #define RAND_MAX  714025
     43/** Type returned by the div function */
     44typedef struct {
     45        /** Quotient */
     46        int quot;
     47        /** Remainder */
     48        int rem;
     49} div_t;
     50
     51/** Type returned by the ldiv function */
     52typedef struct {
     53        /** Quotient */
     54        long quot;
     55        /** Remainder */
     56        long rem;
     57} ldiv_t;
     58
     59/** Type returned by the lldiv function */
     60typedef struct {
     61        /** Quotient */
     62        long long quot;
     63        /** Remainder */
     64        long long rem;
     65} lldiv_t;
     66
    4267
    4368#define EXIT_FAILURE 1
    4469#define EXIT_SUCCESS 0
     70
     71#define RAND_MAX  714025
     72
     73#define MB_CUR_MAX 4
    4574
    4675extern int rand(void);
    … …  
    5988extern unsigned long long strtoull(const char *__restrict__, char **__restrict__, int);
    6089
     90extern div_t div(int, int);
     91extern ldiv_t ldiv(long, long);
     92extern lldiv_t lldiv(long long, long long);
     93
    6194#endif
    6295

  • uspace/lib/c/test/main.c

    r55092672 r8338a81  
    3838PCUT_IMPORT(scanf);
    3939PCUT_IMPORT(sprintf);
     40PCUT_IMPORT(stdlib);
    4041PCUT_IMPORT(str);
    4142PCUT_IMPORT(table);
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