自创printk打印函数。有改进地方请指教。

yangkun521316 · 发表于 2011-5-17 16:47:30

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void printk(int a, char *fmt, ...)
{
int i =0;
int Ret = 0;
char fomt[200];
char Fomtt[200];
int *tmp = &a;
tmp = tmp + 2;

for (i = 0; i < 200; i++)
{
  fomt[i] = fmt[i];
  if (fomt[i] == '\n')
  {
i = 200;
Fomtt[0] = Ret;
  }
  if (fomt[i] == '%')
  {
Ret++;
  }
  if ((fomt[i] == 'd') & (fomt[i-1] == '%'))
  {
Fomtt[Ret] = 'd';
  }
  if ((fomt[i] == 's') & (fomt[i-1] == '%'))
  {
Fomtt[Ret] = 's';
  }
  if ((fomt[i] == 'c') & (fomt[i-1] == '%'))
  {
Fomtt[Ret] = 'c';
  }
  if ((fomt[i] == 'x') & (fomt[i-1] == '%'))
  {
Fomtt[Ret] = 'x';
  }
}
for (i = 0;i < Ret; i++)
{
if (Fomtt[i+1] == 's')
{
if (a == 1)
{
   printf("ERROR:%s \n", *tmp);
}
if (a == 2)
{
   printf("INFO:%s \n", *tmp);
}
}
if (Fomtt[i+1] == 'd')
{
if (a == 1)
{
   printf("ERROR:%d \n", *tmp);
}

if (a == 2)
{
   printf("INFO:%d \n", *tmp);
}
}
if (Fomtt[i+1] == 'x')
{
if (a == 1)
{
   printf("ERROR:%x \n", *tmp);
}

if (a == 2)
{
   printf("INFO:%x \n", *tmp);
}
}
if (Fomtt[i+1] == 'c')
{
if (a == 1)
{
   printf("ERROR:%c \n", *tmp);
}

if (a == 2)
{
   printf("INFO:%c \n", *tmp);
}
}

tmp++;
}
}

yangkun521316 · 发表于 2011-5-18 16:31:12

int Othe2Des(const char *Str, const int Othe)
{
unsigned int i = 0;
unsigned int b = 0;
unsigned int l = 0;
unsigned int j = 0;
unsigned int x = 0;
unsigned int s[20] = {0};
unsigned int v[20] = {0};
if ((Str == 0ul) && (Othe == 0))
{
return 0;
}

j = Othe;
while(1)
{
if ((Str[i] < 58) && (Str[i] > 47))
{
s[i] = (Str[i] - 48);
}

if ((Str[i] < 71) && (Str[i] > 64))
{
s[i] = (Str[i] - 55);
}

if (Str[i] == 0)
{
break;
}
i++;
}

for (i-- ; i > 0; i--)
{
while (1)
{
l++;
if (l == i)
{
l = 0;
break;
}
j *= Othe;
}
if (i == 0)
{
break;
}
b += s[x] * j;
j = Othe;
x++;
}
return b+2;
}

char *Dec2Othe(const long int Dec, const int Othe)
{
long int temp = 0;
int bl = 0;
int i = 0;
int Othes[20] = {0};
char ReturnStr[20] = {0};

temp = Dec;
while (1)
{
bl = temp%Othe;
Othes[i] = bl;
if (temp == 0)
{
break;
}
i++;
temp = temp/Othe;
}
bl = 0;
for (i--;i >= 0;i--)
{
if (Othes[i] == 10)
{
ReturnStr[bl] = 'A' ;
}

if (Othes[i] == 11)
{
ReturnStr[bl] = 'B' ;
}

if (Othes[i] == 12)
{
ReturnStr[bl] = 'C' ;
}

if (Othes[i] == 13)
{
ReturnStr[bl] = 'D' ;
}

if (Othes[i] == 14)
{
ReturnStr[bl] = 'E' ;
}

if (Othes[i] == 15)
{
ReturnStr[bl] = 'F' ;
}

if ((Othes[i] < 10) && (Othes[i] >= 0))
{
ReturnStr[bl] = (char)(Othes[i] + 48);
}
bl++;
}
return ReturnStr;
}

yangkun521316 · 发表于 2011-5-18 17:56:49

int StrLen_k(char *str)
{
int i = 0;
char *b = 0ul;
if (str == 0ul)
{
return ~0;
}
b = str;
while (1)
{
if (b[i] == 0)
{
break;
}
i++;
}
return i;
}

int StrCpy_k(char *Op, const char *d)
{
int i = 0;
if ((Op == 0ul) && (d == 0ul))
{
return ~0;
}
while (1)
{
Op[i] = d[i];
if (d[i] == 0)
{
break;
}
i++;
}
return 1;
}

char *Des2Ch(const unsigned int Des)
{
int Ds = 0;
int i = 0;
int n = 0;
unsigned int dd = 0;
char zstr[20] = {0};
char bn[20] = {0};
dd = Des;
while (1)
{
Ds = dd%10;
if (Ds == 0)
{
break;
}
dd = dd/10;
zstr[i] = (char)(Ds + 48);
i++;
}
for (i--;i>=0;i--)
{
bn[n] = zstr[i];
n++;
}
return bn;
}

int Othe2Des(const char *Str, const int Othe)
{
unsigned int i = 0;
unsigned int b = 0;
unsigned int l = 0;
unsigned int j = 0;
unsigned int x = 0;
unsigned int s[20] = {0};
unsigned int v[20] = {0};
if ((Str == 0ul) && (Othe == 0))
{
return 0;
}

j = Othe;
while(1)
{
if ((Str[i] < 58) && (Str[i] > 47))
{
s[i] = (Str[i] - 48);
}

if ((Str[i] < 71) && (Str[i] > 64))
{
s[i] = (Str[i] - 55);
}

if (Str[i] == 0)
{
break;
}
i++;
}

for (i-- ; i > 0; i--)
{
while (1)
{
l++;
if (l == i)
{
l = 0;
break;
}
j *= Othe;
}
if (i == 0)
{
break;
}
b += s[x] * j;
j = Othe;
x++;
}
return b+2;
}

char *Dec2Othe(const long int Dec, const int Othe)
{
long int temp = 0;
int bl = 0;
int i = 0;
int Othes[20] = {0};
char ReturnStr[20] = {0};

temp = Dec;
while (1)
{
bl = temp%Othe;
Othes[i] = bl;
if (temp == 0)
{
break;
}
i++;
temp = temp/Othe;
}
bl = 0;
for (i--;i >= 0;i--)
{
if (Othes[i] == 10)
{
ReturnStr[bl] = 'A' ;
}

if (Othes[i] == 11)
{
ReturnStr[bl] = 'B' ;
}

if (Othes[i] == 12)
{
ReturnStr[bl] = 'C' ;
}

if (Othes[i] == 13)
{
ReturnStr[bl] = 'D' ;
}

if (Othes[i] == 14)
{
ReturnStr[bl] = 'E' ;
}

if (Othes[i] == 15)
{
ReturnStr[bl] = 'F' ;
}

if ((Othes[i] < 10) && (Othes[i] >= 0))
{
ReturnStr[bl] = (char)(Othes[i] + 48);
}
bl++;
}
return ReturnStr;
}

void printk(char *fmt, ...)
{

int i =0;
int f = 0;
int Len = 0;
int m = 0;
char fomt[200] = {0};
char *nesr = 0ul;
int *tmp = &fmt;
tmp++;

for (i = 0; i < 200; i++)
{
fmt[i];
if (fmt[i] == '\n')
{i = 200;}

if (fmt[i] == '%')
{
i++;
switch(fmt[i])
{
case 'd':
{
StrCpy_k(nesr,Des2Ch(Othe2Des(*tmp, 16)));
Len = StrLen_k(nesr);
for (m=0;m<Len;m++)
{
fomt[f] = nesr[m];
f++;
}
}

case 'x':
{*tmp;}

case 's':
{*tmp;}

case 'c':
{*tmp;}
tmp++;
}
}
else
{
fomt[f] = fmt[i];
f++;
}
}
}

[原创] 自创printk打印函数。有改进地方请指教。

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