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

This commit is contained in:
kpl_harpo 2014-04-08 09:07:46 -04:00
parent 9f422e58e8
commit 4712a0ccb2

15
cmLib.c
View File

@ -160,7 +160,20 @@ unsigned cmLibOpen( cmLibH_t h, const cmChar_t* libFn )
if( _cmLibIsNull(lH) ) 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; return cmInvalidId;
} }