--- src/wl.c.orig Wed Apr 19 21:42:30 2006
+++ src/wl.c Mon Jun 4 21:49:40 2007
@@ -4,12 +4,92 @@
#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
-#include <argz.h>
+#include <assert.h>
+#include <errno.h>
#include "wl.h"
#include "opts.h"
int wl_index = 0;
char*wl = NULL;
size_t wl_max = 0;
+
+// -------------------- XXX ---------------------
+
+static char *
+argz_next (argz, argz_len, entry)
+ char *argz;
+ size_t argz_len;
+ const char *entry;
+{
+ assert ((argz && argz_len) || (!argz && !argz_len));
+
+ if (entry)
+ {
+ /* Either ARGZ/ARGZ_LEN is empty, or ENTRY points into an address
+ within the ARGZ vector. */
+ assert ((!argz && !argz_len)
+ || ((argz <= entry) && (entry < (argz + argz_len))));
+
+ /* Move to the char immediately after the terminating
+ '\0' of ENTRY. */
+ entry = 1+ strchr (entry, '\0');
+
+ /* Return either the new ENTRY, or else NULL if ARGZ is
+ exhausted. */
+ return (entry >= argz + argz_len) ? 0 : (char *) entry;
+ }
+ else
+ {
+ /* This should probably be flagged as a programmer error,
+ since starting an argz_next loop with the iterator set
+ to ARGZ is safer. To preserve semantics, handle the NULL
+ case by returning the start of ARGZ (if any). */
+ if (argz_len > 0)
+ return argz;
+ else
+ return 0;
+ }
+}
+
+static int
+argz_append (char **argz, size_t *argz_len, const char *buf, size_t buf_len)
+{
+ size_t new_argz_len = *argz_len + buf_len;
+ char *new_argz = realloc (*argz, new_argz_len);
+ if (new_argz)
+ {
+ memcpy (new_argz + *argz_len, buf, buf_len);
+ *argz = new_argz;
+ *argz_len = new_argz_len;
+ return 0;
+ }
+ else
+ return ENOMEM;
+}
+
+static int
+argz_add (char **argz, size_t *argz_len, const char *str)
+{
+ return argz_append (argz, argz_len, str, strlen (str) + 1);
+}
+
+static void
+argz_delete (char **argz, size_t *argz_len, char *entry)
+{
+ if (entry)
+ /* Get rid of the old value for NAME. */
+ {
+ size_t entry_len = strlen (entry) + 1;
+ *argz_len -= entry_len;
+ memmove (entry, entry + entry_len, *argz_len - (entry - *argz));
+ if (*argz_len == 0)
+ {
+ free (*argz);
+ *argz = 0;
+ }
+ }
+}
+
+// -------------------- XXX ---------------------
void
wl_init ()
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