-const char list_rcs[] = "$Id: list.c,v 1.10 2001/09/16 17:30:24 jongfoster Exp $";
+const char list_rcs[] = "$Id: list.c,v 1.11 2001/10/23 21:21:03 jongfoster Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/list.c,v $
* IJBSWA team. http://ijbswa.sourceforge.net
*
* Based on the Internet Junkbuster originally written
- * by and Copyright (C) 1997 Anonymous Coders and
+ * by and Copyright (C) 1997 Anonymous Coders and
* Junkbusters Corporation. http://www.junkbusters.com
*
- * This program is free software; you can redistribute it
+ * This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at
*
* Revisions :
* $Log: list.c,v $
+ * Revision 1.11 2001/10/23 21:21:03 jongfoster
+ * New error handling - error codes are now jb_errs, not ints.
+ * Changed the way map() handles out-of-memory, to dramatically
+ * reduce the amount of error-checking clutter needed.
+ *
* Revision 1.10 2001/09/16 17:30:24 jongfoster
* Fixing a compiler warning.
*
#endif
#include <string.h>
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(__OS2__)
#include <unistd.h>
#endif
* then pass it to this function.
* (Implementation note: Rather than calling this
* function, you can also just memset the memory to
- * zero, e.g. if you have a larger structure you
- * want to initialize quickly. However, that isn't
+ * zero, e.g. if you have a larger structure you
+ * want to initialize quickly. However, that isn't
* really good design.)
*
* Parameters :
* calling list_init().
*
* (Implementation note: You *can* reuse the_list
- * without calling list_init(), but please don't.
+ * without calling list_init(), but please don't.
* If you want to remove all entries from a list
- * and still have a usable list, then use
+ * and still have a usable list, then use
* list_remove_all().)
*
* Parameters :
for (cur_entry = the_list->first; cur_entry ; cur_entry = next_entry)
{
next_entry = cur_entry->next;
- freez((char *)cur_entry->str);
+ freez(cur_entry->str);
free(cur_entry);
}
* Description : Check that a string list is valid. The intended
* usage is "assert(list_is_valid(the_list))".
* Currently this checks that "the_list->last"
- * is correct, and that the list dosn't contain
+ * is correct, and that the list dosn't contain
* circular references. It is likely to crash if
* it's passed complete garbage.
*
if (cur_entry->str)
{
/*
- * Just check that this string can be accessed - i.e. it's a valid
+ * Just check that this string can be accessed - i.e. it's a valid
* pointer.
*/
strlen(cur_entry->str);
* 2 : str = string to add to the list (maybe NULL)
*
* Returns : JB_ERR_OK on success
- * JB_ERR_MEMORY on out-of-memory error.
+ * JB_ERR_MEMORY on out-of-memory error.
* On error, the_list will be unchanged.
*
*********************************************************************/
* 2 : str = string to add to the list (maybe NULL)
*
* Returns : JB_ERR_OK on success
- * JB_ERR_MEMORY on out-of-memory error.
+ * JB_ERR_MEMORY on out-of-memory error.
* On error, the_list will be unchanged.
*
*********************************************************************/
}
}
/* else { cur->str = NULL; } - implied by zalloc */
-
+
cur->next = the_list->first;
the_list->first = cur;
* Description : Append a string into a specified string list,
* if & only if it's not there already.
* If the num_significant_chars argument is nonzero,
- * only compare up to the nth character.
+ * only compare up to the nth character.
*
* Parameters :
* 1 : the_list = pointer to list
* for uniqueness test, or 0 to require an exact match.
*
* Returns : JB_ERR_OK on success
- * JB_ERR_MEMORY on out-of-memory error.
+ * JB_ERR_MEMORY on out-of-memory error.
* On error, the_list will be unchanged.
* "Success" does not indicate whether or not the
* item was already in the list.
* 3 : value = HTTP header value (e.g. "text/html")
*
* Returns : JB_ERR_OK on success
- * JB_ERR_MEMORY on out-of-memory error.
+ * JB_ERR_MEMORY on out-of-memory error.
* On error, the_list will be unchanged.
* "Success" does not indicate whether or not the
* header was already in the list.
* Description : Remove all entries from a list. On return, the_list
* is a valid, empty list. Note that this is similar
* to destroy_list(), but the difference is that this
- * function guarantees that the list structure is still
+ * function guarantees that the list structure is still
* valid after the call.
*
* Parameters :
for (cur_entry = the_list->first; cur_entry ; cur_entry = next_entry)
{
next_entry = cur_entry->next;
- freez((char *)cur_entry->str);
+ freez(cur_entry->str);
free(cur_entry);
}
* 1 : src = pointer to source list for copy.
*
* Returns : JB_ERR_OK on success
- * JB_ERR_MEMORY on out-of-memory error.
+ * JB_ERR_MEMORY on out-of-memory error.
* On error, dest will be empty.
*
*********************************************************************/
* 2 : src = pointer to source for merge.
*
* Returns : JB_ERR_OK on success
- * JB_ERR_MEMORY on out-of-memory error.
+ * JB_ERR_MEMORY on out-of-memory error.
* On error, some (but not all) of src might have
* been copied into dest.
*
{
assert(the_list);
assert(list_is_valid(the_list));
-
+
return (the_list->first == NULL);
}
return;
}
- for (cur_entry = the_map->first; cur_entry != NULL; cur_entry = next_entry)
+ for (cur_entry = the_map->first; cur_entry != NULL; cur_entry = next_entry)
{
- freez((char *)cur_entry->name);
- freez((char *)cur_entry->value);
+ freez(cur_entry->name);
+ freez(cur_entry->value);
next_entry = cur_entry->next;
free(cur_entry);
* err = map(mymap, "xyz", 1, html_encode(somestring), 0);
*
* err will be set to JB_ERR_MEMORY if either call runs
- * out-of-memory. Without these features, you would
- * need to check the return value of html_encode in the
- * above example for NULL, which (at least) doubles the
+ * out-of-memory. Without these features, you would
+ * need to check the return value of html_encode in the
+ * above example for NULL, which (at least) doubles the
* amount of error-checking code needed.
*
* Parameters :
* 5 : value_needs_copying = flag set if a copy of value should be used
*
* Returns : JB_ERR_OK on success
- * JB_ERR_MEMORY on out-of-memory error.
+ * JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err map(struct map *the_map,
projects / privoxy.git / blobdiff