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cmLib.c : Attempts to load non-library files now fail silently.

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This commit is contained in:
kpl_harpo 2014-04-08 09:07:46 -04:00
parent 9f422e58e8
commit 4712a0ccb2
1 changed files with 14 additions and 1 deletions
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15
cmLib.c
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@ -160,7 +160,20 @@ unsigned cmLibOpen( cmLibH_t h, const cmChar_t* libFn )
if( _cmLibIsNull(lH) )
{
cmErrMsg(&p->err,kOpenFailLibRC,"Library load failed. System Message: %s", _cmLibSysError() );
// There is apparently no way to get an error code which indicates that the
// file load attempt failed because the file was not a shared library -
// which should not generate an error message - therefore
// we must match the end of the the error string returned by dlerror() with
// 'invalid ELF header'.
const char* errMsg = _cmLibSysError();
const char* s = "invalid ELF header";
unsigned sn = strlen(s);
unsigned mn = strlen(errMsg);
if( errMsg!=NULL && mn>sn && strcmp(errMsg+mn-sn,s)==0 )
cmErrSetRC(&p->err,kOpenFailLibRC ); // signal error but no error message
else
cmErrMsg(&p->err,kOpenFailLibRC,"Library load failed. System Message: %s", errMsg );
return cmInvalidId;
}