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43 lines
825 B
43 lines
825 B
// fprintdecimal().
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// General includes.
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#include "cl_sysdep.h"
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// Specification.
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#include "cln/io.h"
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// Implementation.
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namespace cln {
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// We don't use `stream << x' or `stream << dec << x', because an ostream
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// carries so many attributes, and we don't want to modifies these attributes.
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void fprintdecimal (std::ostream& stream, unsigned long x)
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{
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#define bufsize 20
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var char buf[bufsize+1];
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var char* bufptr = &buf[bufsize];
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*bufptr = '\0';
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do {
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unsigned long q = x / 10;
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unsigned long r = x % 10;
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*--bufptr = '0'+r;
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x = q;
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} while (x > 0);
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fprint(stream,bufptr);
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#undef bufsize
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}
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void fprintdecimal (std::ostream& stream, long x)
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{
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if (x >= 0)
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fprintdecimal(stream,(unsigned long)x);
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else {
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fprintchar(stream,'-');
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fprintdecimal(stream,(unsigned long)(-1-x)+1);
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}
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}
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} // namespace cln
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