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PO"undefined reference to PrintArgv": why?
 

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  1. PO"undefined reference to PrintArgv": why?
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    <p>When I compile my program, I get three "undefined reference to 'PrintArgv(...)'" errors. I have searched but I cannot find the reason why I am getting these errors. Here is my code:</p> <pre><code> #include "tools.hpp" enum ARG_T {COMMAND, SWITCH, ARGUMENT}; void ReadArgs(int, char**, ofstream&amp;); void PrintArgv(char*, ARG_T, ofstream&amp;); int main(int argc, char* argv[]) { ofstream fout; try{ fout.open("P1Ford.txt", ios::out | ios::app); } catch(...) { //fatal("Could not open file P1Ford.txt"); cout &lt;&lt; "Could not open file P1Ford.txt" &lt;&lt; "\n"; return -1; } ReadArgs(argc, argv, fout); fout.close(); return 0; } /*----------------------------------------------------------------------------- This function takes the values passed in through the command line then examines each one to determine if it is the command, a switch or an argument. Then passes it to a function to print it to the file. -----------------------------------------------------------------------------*/ void ReadArgs(int argc, char* argv[], ofstream&amp; fout) { for(int c=0; c&lt;argc; ++c) { if(c == 0) PrintArgv(argv[c], COMMAND, fout); else if(strncmp(argv[c], "-", 1) == 0) PrintArgv(argv[c], SWITCH, fout); else if(strncmp(argv[c], "&gt;", 1) == 0) ; else PrintArgv(argv[c], ARGUMENT, fout); } } /*----------------------------------------------------------------------------- This function prints the argument in the correct format Command &lt;command&gt; Switch &lt;switch&gt; Argument &lt;agrument&gt; Argument &lt;argument&gt; -----------------------------------------------------------------------------*/ void PrintArgv(char* val, ARG_T type, ostream&amp; fout) { if(type == COMMAND) fout &lt;&lt; "Command " &lt;&lt; val &lt;&lt; "\n"; if(type == SWITCH) fout &lt;&lt; "\t" &lt;&lt; "Switch " &lt;&lt; val &lt;&lt; "\n"; if(type == ARGUMENT) fout &lt;&lt; "\t" &lt;&lt; "Argument " &lt;&lt; val &lt;&lt; "\n"; } </code></pre> <p>The function <code>ReadArgs</code> is where I am getting the errors. Each call to <code>PrintArgv</code> gives me the error. I am using G++ 4.6.1.</p>
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    1. USBenjamin
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      1. PO"undefined reference to PrintArgv": why?
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    1. COCan you construct a much shorter test-case?
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      1. PO"undefined reference to PrintArgv": why?
      1. USOliver Charlesworth
 

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