static char *savenstr (const char *, ptrdiff_t);
static char *savestr (const char *);
static char *etags_getcwd (void);
-static char *relative_filename (char *, char *);
-static char *absolute_filename (char *, char *);
+static char *relative_filename (const char *, const char *);
+static char *absolute_filename (const char *, const char *);
static char *absolute_dirname (char *, char *);
-static bool filename_is_absolute (char *f);
+static bool filename_is_absolute (const char *f);
static void canonicalize_filename (char *);
static char *etags_mktmp (void);
static void linebuffer_init (linebuffer *);
* Idea by Vladimir Alexiev <vladimir@cs.ualberta.ca> (1998)
*/
static compressor *
-get_compressor_from_suffix (char *file, char **extptr)
+get_compressor_from_suffix (const char *file, const char **extptr)
{
compressor *compr;
char *slash, *suffix;
* Return a language given the file name.
*/
static language *
-get_language_from_filename (char *file, bool case_sensitive)
+get_language_from_filename (const char *file, boot case_sensitive)
{
language *lang;
const char **name, **ext, *suffix;
fdesc *fdp;
compressor *compr;
char *compressed_name, *uncompressed_name;
- char *ext, *real_name UNINIT, *tmp_name UNINIT;
+ const char *ext;
+ char *real_name UNINIT, *tmp_name UNINIT;
int retval;
canonicalize_filename (file);
/* Return a newly allocated string containing the file name of FILE
relative to the absolute directory DIR (which should end with a slash). */
static char *
-relative_filename (char *file, char *dir)
+relative_filename (const char *file, const char *dir)
{
- char *fp, *dp, *afn, *res;
- ptrdiff_t i;
+ const char *fp, *dp;
+ char *afn, *res;
+ ptrdiff i;
/* Find the common root of file and dir (with a trailing slash). */
afn = absolute_filename (file, cwd);
/* Return a newly allocated string containing the absolute file name
of FILE given DIR (which should end with a slash). */
static char *
-absolute_filename (char *file, char *dir)
+absolute_filename (const char *file, const char *dir)
{
char *slashp, *cp, *res;
/* Whether the argument string is an absolute file name. The argument
string must have been canonicalized with canonicalize_filename. */
static bool
-filename_is_absolute (char *fn)
+filename_is_absolute (const char *fn)
{
return (fn[0] == '/'
#ifdef DOS_NT