Gabriele Cosmo
45 lines
830 B
Plaintext
45 lines
830 B
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_sprintf
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#define tools_sprintf
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#include <string>
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#include <cstdarg>
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#include <cstdio>
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namespace tools {
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inline bool sprintf(std::string& a_string,int a_length,const char* a_format,...){
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a_string.clear();
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if(a_length<0) return false;
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if(!a_format) return false;
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char* s = new char[a_length+1];
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if(!s) return false;
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s[a_length] = '\0';
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va_list args;
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va_start(args,a_format);
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#ifdef WIN32
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int n = _vsnprintf(s,a_length+1,a_format,args);
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#else
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int n = ::vsnprintf(s,a_length+1,a_format,args);
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#endif
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va_end(args);
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if(n>a_length) {
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delete [] s;
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return false;
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}
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if(s[a_length]!='\0') {
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delete [] s;
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return false;
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}
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a_string = s;
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delete [] s;
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return true;
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}
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}
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#endif
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