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-rwxr-xr-xdecoder/static_utoa.h115
1 files changed, 0 insertions, 115 deletions
diff --git a/decoder/static_utoa.h b/decoder/static_utoa.h
deleted file mode 100755
index fe5f6d92..00000000
--- a/decoder/static_utoa.h
+++ /dev/null
@@ -1,115 +0,0 @@
-#ifndef STATIC_UTOA_H
-#define STATIC_UTOA_H
-
-#include "threadlocal.h"
-
-
-#include <string>
-#include <cstring>
-
-#define DIGIT_LOOKUP_TABLE 0
-
-namespace {
-THREADLOCAL char utoa_buf[] = "01234567890123456789"; // to put end of string character at buf[20]
-const unsigned utoa_bufsize=sizeof(utoa_buf);
-const unsigned utoa_bufsizem1=utoa_bufsize-1;
-#ifdef DIGIT_LOOKUP_TABLE
-char digits[] = "0123456789";
-#endif
-}
-
-inline char digit_to_char(int d) {
- return
-#ifdef DIGIT_LOOKUP_TABLE
- digits[d];
-#else
- '0'+d;
-#endif
-}
-
-// returns n in string [return,num); *num=0 yourself before calling if you want a c_str
-inline char *utoa(char *num,unsigned n) {
- if ( !n ) {
- *--num='0';
- } else {
- unsigned rem;
- // 3digit lookup table, divide by 1000 faster?
- while ( n ) {
-#if 1
- rem = n;
- n /= 10;
- rem -= 10*n; // maybe this is faster than mod because we are already dividing
-#else
- rem = n%10; // would optimizer combine these together?
- n = n/10;
-#endif
- *--num = digit_to_char(rem);
- }
- }
- return num;
-}
-
-inline char *static_utoa(unsigned n) {
- return utoa(utoa_buf+utoa_bufsizem1,n);
-}
-
-//returns position of '\0' terminating number written starting at to
-inline char* append_utoa(char *to,unsigned n) {
- char *s=static_utoa(n);
- int ns=(utoa_buf+utoa_bufsize)-s;
- std::memcpy(to,s,ns);
- return to+ns;
-}
-
-// so named to avoid gcc segfault when named itoa
-inline char *itoa(char *p,int n) {
- if (n<0) {
- p=utoa(p,-n); // TODO: check that (unsigned)(-INT_MIN) == 0x1000000 in 2s complement and not == 0
- *--p='-';
- return p;
- } else
- return utoa(p,n);
-}
-
-inline char *static_itoa(int n) {
- return itoa(utoa_buf+utoa_bufsizem1,n);
-}
-
-
-inline std::string utos(unsigned n) {
- const int bufsz=20;
- char buf[bufsz];
- char *end=buf+bufsz;
- char *p=utoa(end,n);
- return std::string(p,end);
-}
-
-inline std::string itos(int n) {
- const int bufsz=20;
- char buf[bufsz];
- char *end=buf+bufsz;
- char *p=itoa(end,n);
- return std::string(p,end);
-}
-
-#ifdef ITOA_SAMPLE
-# include <cstdio>
-# include <sstream>
-# include <iostream>
-using namespace std;
-
-int main(int argc,char *argv[]) {
- printf("d U d U d U\n");
- for (int i=1;i<argc;++i) {
- int n;
- unsigned un;
- sscanf(argv[i],"%d",&n);
- sscanf(argv[i],"%u",&un);
- printf("%d %u %s",n,un,static_itoa(n));
- printf(" %s %s %s\n",static_utoa(un),itos(n).c_str(),utos(un).c_str());
- }
- return 0;
-}
-#endif
-
-#endif