extern void checkOptions (void)
{
const char* notice;
if (Option.xref)
{
notice = "xref output";
if (Option.include.fileNames)
{
error (WARNING, "%s disables file name tags", notice);
Option.include.fileNames = FALSE;
}
}
if (Option.append)
{
notice = "append mode is not compatible with";
if (isDestinationStdout ())
error (FATAL, "%s tags to stdout", notice);
}
if (Option.filter)
{
notice = "filter mode";
if (Option.printTotals)
{
error (WARNING, "%s disables totals", notice);
Option.printTotals = FALSE;
}
if (Option.tagFileName != NULL)
error (WARNING, "%s ignores output tag file name", notice);
}
}
extern void openTagFile (void)
{
setDefaultTagFileName ();
TagsToStdout = isDestinationStdout ();
if (TagFile.vLine == NULL)
TagFile.vLine = vStringNew ();
/* Open the tags file.
*/
if (TagsToStdout)
/* Open a tempfile with read and write mode. Read mode is used when
* write the result to stdout. */
TagFile.fp = tempFile ("w+", &TagFile.name);
else
{
boolean fileExists;
TagFile.name = eStrdup (Option.tagFileName);
fileExists = doesFileExist (TagFile.name);
if (fileExists && ! isTagFile (TagFile.name))
error (FATAL,
"\"%s\" doesn't look like a tag file; I refuse to overwrite it.",
TagFile.name);
if (Option.etags)
{
if (Option.append && fileExists)
TagFile.fp = fopen (TagFile.name, "a+b");
else
TagFile.fp = fopen (TagFile.name, "w+b");
}
else
{
if (Option.append && fileExists)
{
TagFile.fp = fopen (TagFile.name, "r+");
if (TagFile.fp != NULL)
{
TagFile.numTags.prev = updatePseudoTags (TagFile.fp);
fclose (TagFile.fp);
TagFile.fp = fopen (TagFile.name, "a+");
}
}
else
{
TagFile.fp = fopen (TagFile.name, "w");
if (TagFile.fp != NULL)
addPseudoTags ();
}
}
if (TagFile.fp == NULL)
error (FATAL | PERROR, "cannot open tag file");
}
if (TagsToStdout)
TagFile.directory = eStrdup (CurrentDirectory);
else
TagFile.directory = absoluteDirname (TagFile.name);
}
extern void openTagFile (void)
{
setDefaultTagFileName ();
TagsToStdout = isDestinationStdout ();
if (TagFile.vLine == NULL)
TagFile.vLine = vStringNew ();
/* Open the tags file.
*/
if (TagsToStdout)
TagFile.fp = tempFile ("w", &TagFile.name);
else
{
boolean fileExists;
setDefaultTagFileName ();
TagFile.name = eStrdup (Option.tagFileName);
fileExists = doesFileExist (TagFile.name);
if (fileExists && /*! isTagFile (TagFile.name)*/ 0) /* allways override old files */
error (FATAL,
"\"%s\" doesn't look like a tag file; I refuse to overwrite it.",
TagFile.name);
if (Option.etags)
{
if (Option.append && fileExists)
TagFile.fp = fopen (TagFile.name, "a+b");
else
TagFile.fp = fopen (TagFile.name, "w+b");
}
else
{
if (Option.append && fileExists)
{
TagFile.fp = fopen (TagFile.name, "r+");
if (TagFile.fp != NULL)
{
TagFile.numTags.prev = updatePseudoTags (TagFile.fp);
fclose (TagFile.fp);
TagFile.fp = fopen (TagFile.name, "a+");
}
}
else
{
TagFile.fp = fopen (TagFile.name, "w");
/* if (TagFile.fp != NULL)
addPseudoTags ();*/
}
}
if (TagFile.fp == NULL)
{
error (FATAL | PERROR, "cannot open tag file");
exit (1);
}
}
if (TagsToStdout)
TagFile.directory = eStrdup (CurrentDirectory);
else {
if(TagFile.directory){
free(TagFile.directory);
}
TagFile.directory = absoluteDirname (TagFile.name);
}
}