Linux内核函数转换

要求输入字符串 int str = "75,89,788,75514"
输出数组{75, 89, 788, 75514}

函数实现：

#include <linux/init.h>                                                                                                                                                                                      
#include <linux/kernel.h>
#include <linux/string.h>


char * atoi(char *str,int * val)
{
    int value = 0;

    if (NULL != str)
    {   
        while (*str>='0' && *str<='9')
        {
            value *= 10; 
            value += *str - '0';
            str++;
        }
    }   
    *val = value;
    return str;
}

int alsps_table_reconfig(char *str, unsigned int *val)
{
    int i = 0;
    char *result = str;

    printk("Jason str:%s\n", str);

    if ( result != NULL)
    {   
        while(*result != '\0')
        {
            result = atoi(result,val+i);
            printk("Jason result:%s,val[%d]:%d\n", result, i, *(val+i));
            if(*result != '\0')
                result++;
            i++;
        }
    }   

    return 0;
}
EXPORT_SYMBOL(alsps_table_reconfig);

函数调用

#define AGOLD_ALS_LEVEL 		0,1300,2700,4800,8700,10500,12100,22000,64000,65535,65535,65535,65535,65535,65535
    #ifdef AGOLD_ALS_LEVEL
    alsps_table_reconfig((char *)AGOLD_ALS_LEVEL, hw->als_level);
    #endif