X-Git-Url: http://sjero.net/git/?a=blobdiff_plain;f=src%2Futils.c;h=567dc359eeaa94e2a674ae92e70ea3d80bfa4c15;hb=96418c68851d00fd66014d2dc7bd46b3d715e525;hp=509088b644a6566da06cdedb7818974c0f8c6c75;hpb=8c7bd588fe94bdc12b62b38e286027acfedde751;p=wget

diff --git a/src/utils.c b/src/utils.c
index 509088b6..567dc359 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -59,12 +59,12 @@ as that of the covered work.  */
 # endif
 #endif
 
+#include <sys/time.h>
+
 #include <sys/stat.h>
 
 /* For TIOCGWINSZ and friends: */
-#ifdef HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
+#include <sys/ioctl.h>
 #ifdef HAVE_TERMIOS_H
 # include <termios.h>
 #endif
@@ -73,6 +73,11 @@ as that of the covered work.  */
 #include <signal.h>
 #include <setjmp.h>
 
+#include <regex.h>
+#ifdef HAVE_LIBPCRE
+# include <pcre.h>
+#endif
+
 #ifndef HAVE_SIGSETJMP
 /* If sigsetjmp is a macro, configure won't pick it up. */
 # ifdef sigsetjmp
@@ -917,6 +922,19 @@ acceptable (const char *s)
   return true;
 }
 
+/* Determine whether an URL is acceptable to be followed, according to
+   regex patterns to accept/reject.  */
+bool
+accept_url (const char *s)
+{
+  if (opt.acceptregex && !opt.regex_match_fun (opt.acceptregex, s))
+    return false;
+  if (opt.rejectregex && opt.regex_match_fun (opt.rejectregex, s))
+    return false;
+
+  return true;
+}
+
 /* Check if D2 is a subdirectory of D1.  E.g. if D1 is `/something', subdir_p()
    will return true if and only if D2 begins with `/something/' or is exactly
    '/something'.  */
@@ -1825,6 +1843,17 @@ number_to_static_string (wgint number)
   ringpos = (ringpos + 1) % RING_SIZE;
   return buf;
 }
+
+/* Converts the byte to bits format if --report-bps option is enabled
+ */
+wgint
+convert_to_bits (wgint num)
+{
+  if (opt.report_bps)
+    return num * 8;
+  return num;
+}
+
 
 /* Determine the width of the terminal we're running on.  If that's
    not possible, return 0.  */
@@ -2298,6 +2327,89 @@ base64_decode (const char *base64, void *dest)
   return q - (char *) dest;
 }
 
+#ifdef HAVE_LIBPCRE
+/* Compiles the PCRE regex. */
+void *
+compile_pcre_regex (const char *str)
+{
+  const char *errbuf;
+  int erroffset;
+  pcre *regex = pcre_compile (str, 0, &errbuf, &erroffset, 0);
+  if (! regex)
+    {
+      fprintf (stderr, _("Invalid regular expression %s, %s\n"),
+               quote (str), errbuf);
+      return false;
+    }
+  return regex;
+}
+#endif
+
+/* Compiles the POSIX regex. */
+void *
+compile_posix_regex (const char *str)
+{
+  regex_t *regex = xmalloc (sizeof (regex_t));
+  int errcode = regcomp ((regex_t *) regex, str, REG_EXTENDED | REG_NOSUB);
+  if (errcode != 0)
+    {
+      int errbuf_size = regerror (errcode, (regex_t *) regex, NULL, 0);
+      char *errbuf = xmalloc (errbuf_size);
+      regerror (errcode, (regex_t *) regex, errbuf, errbuf_size);
+      fprintf (stderr, _("Invalid regular expression %s, %s\n"),
+               quote (str), errbuf);
+      xfree (errbuf);
+      return NULL;
+    }
+
+  return regex;
+}
+
+#ifdef HAVE_LIBPCRE
+#define OVECCOUNT 30
+/* Matches a PCRE regex.  */
+bool
+match_pcre_regex (const void *regex, const char *str)
+{
+  int l = strlen (str);
+  int ovector[OVECCOUNT];
+
+  int rc = pcre_exec ((pcre *) regex, 0, str, l, 0, 0, ovector, OVECCOUNT);
+  if (rc == PCRE_ERROR_NOMATCH)
+    return false;
+  else if (rc < 0)
+    {
+      logprintf (LOG_VERBOSE, _("Error while matching %s: %d\n"),
+                 quote (str), rc);
+      return false;
+    }
+  else
+    return true;
+}
+#undef OVECCOUNT
+#endif
+
+/* Matches a POSIX regex.  */
+bool
+match_posix_regex (const void *regex, const char *str)
+{
+  int rc = regexec ((regex_t *) regex, str, 0, NULL, 0);
+  if (rc == REG_NOMATCH)
+    return false;
+  else if (rc == 0)
+    return true;
+  else
+    {
+      int errbuf_size = regerror (rc, opt.acceptregex, NULL, 0);
+      char *errbuf = xmalloc (errbuf_size);
+      regerror (rc, opt.acceptregex, errbuf, errbuf_size);
+      logprintf (LOG_VERBOSE, _("Error while matching %s: %d\n"),
+                 quote (str), rc);
+      xfree (errbuf);
+      return false;
+    }
+}
+
 #undef IS_ASCII
 #undef NEXT_CHAR