34 lines
589 B
C
34 lines
589 B
C
#include "util.h"
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__inline int isprint(char e)
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{
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if (e < 0x30 || e > 0x80)
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return 0;
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}
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// hex_dumb display network packets in a good way
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void hex_dump(unsigned n, const unsigned char* buf)
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{
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int on_this_line = 0;
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while (n-- > 0)
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{
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kprintf("%02X ", *buf++);
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on_this_line += 1;
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if (on_this_line == 16 || n == 0)
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{
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int i;
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kputs(" ");
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for (i = on_this_line; i < 16; i++)
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kputs(" ");
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for (i = on_this_line; i > 0; i--)
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kputchar(isprint(buf[-i]) ? buf[-i] : '.');
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kputs("\n");
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on_this_line = 0;
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}
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}
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}
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