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#include "library_i.h"
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static const char digit_string[] = "0123456789ABCDEF";
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char *itoa(int value, char *string, int radix)
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{
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char stack[16];
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int negative = 0; //defualt is positive value
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int i;
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int j;
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if (value == 0) {
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//zero
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string[0] = '0';
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string[1] = '\0';
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return string;
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}
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if (value < 0) {
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//'value' is negative, convert to postive first
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negative = 1;
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value = -value ;
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}
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for (i = 0; value > 0; ++i) {
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// characters in reverse order are put in 'stack'.
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stack[i] = digit_string[value % radix];
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value /= radix;
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}
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//restore reversed order result to user string
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j = 0;
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if (negative) {
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//add sign at first charset.
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string[j++] = '-';
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}
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for (--i; i >= 0; --i, ++j) {
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string[j] = stack[i];
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}
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//must end with '\0'.
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string[j] = '\0';
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return string;
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}
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char *utoa(unsigned int value, char *string, int radix)
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{
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char stack[16];
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int i;
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int j;
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if (value == 0) {
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//zero
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string[0] = '0';
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string[1] = '\0';
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return string;
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}
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for (i = 0; value > 0; ++i) {
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// characters in reverse order are put in 'stack'.
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stack[i] = digit_string[value % radix];
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value /= radix;
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}
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//restore reversed order result to user string
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for (--i, j = 0; i >= 0; --i, ++j) {
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string[j] = stack[i];
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}
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//must end with '\0'.
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string[j] = '\0';
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return string;
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}
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void hexdump(const char* name, char* base, u32 len)
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{
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u32 i;
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printk("%s :\n", name);
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for (i=0; i<len; i+=4) {
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if (!(i&0xf))
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printk("\n0x%8p : ", base + i);
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printk("%8x ", readl(base + i));
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}
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printk("\n");
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}
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unsigned int hstr2int(const char *str, unsigned int len)
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{
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unsigned int i = 0, tmp = 0;
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if ((str[0] == '0') && (str[1] == 'x')) {
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str += 2;
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len -= 2;
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}
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while(len--) {
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if(str[i] >= '0' && str[i] <= '9')
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tmp = tmp * 16 + (str[i] - '0');
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else if(str[i] >= 'A' && str[i] <= 'F')
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tmp = tmp *16 + (str[i] - 'A') + 10;
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else if(str[i] >= 'a' && str[i] <= 'f')
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tmp = tmp *16 + (str[i] - 'a') + 10;
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else
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break;
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i++;
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}
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return tmp;
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}
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unsigned int dstr2int(const char *str, unsigned int len)
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{
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unsigned int i = 0, tmp = 0;
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while (len--) {
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if(str[i] >= '0' && str[i] <= '9')
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tmp = tmp * 10 + (str[i] - '0');
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else
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break;
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i++;
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}
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return tmp;
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}
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