X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=list.c;h=078723cc8dcab59e162f97f03fa13d29aa878fb3;hp=752948f06430a8d3fde81dd6c48c0423f680d2f1;hb=7ad3cc3818b921ee55547d540cb19807583a4751;hpb=8d59f7cc685e7b83a3634a329f7f8eabe583653a diff --git a/list.c b/list.c index 752948f0..078723cc 100644 --- a/list.c +++ b/list.c @@ -1,4 +1,4 @@ -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 $ @@ -11,10 +11,10 @@ const char list_rcs[] = "$Id: list.c,v 1.10 2001/09/16 17:30:24 jongfoster Exp $ * 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 @@ -34,6 +34,11 @@ const char list_rcs[] = "$Id: list.c,v 1.10 2001/09/16 17:30:24 jongfoster Exp $ * * 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. * @@ -105,7 +110,7 @@ const char list_rcs[] = "$Id: list.c,v 1.10 2001/09/16 17:30:24 jongfoster Exp $ #endif #include -#ifndef _WIN32 +#if !defined(_WIN32) && !defined(__OS2__) #include #endif @@ -130,8 +135,8 @@ static int list_is_valid (const struct list *the_list); * 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 : @@ -157,9 +162,9 @@ void init_list(struct list *the_list) * 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 : @@ -177,7 +182,7 @@ void destroy_list (struct list *the_list) 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); } @@ -193,7 +198,7 @@ void destroy_list (struct list *the_list) * 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. * @@ -223,7 +228,7 @@ static int list_is_valid (const struct list *the_list) 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); @@ -273,7 +278,7 @@ static int list_is_valid (const struct list *the_list) * 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. * *********************************************************************/ @@ -329,7 +334,7 @@ jb_err enlist(struct list *the_list, const char *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. * *********************************************************************/ @@ -354,7 +359,7 @@ jb_err enlist_first(struct list *the_list, const char *str) } } /* else { cur->str = NULL; } - implied by zalloc */ - + cur->next = the_list->first; the_list->first = cur; @@ -375,7 +380,7 @@ jb_err enlist_first(struct list *the_list, const char *str) * 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 @@ -384,7 +389,7 @@ jb_err enlist_first(struct list *the_list, const char *str) * 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. @@ -444,7 +449,7 @@ jb_err enlist_unique(struct list *the_list, const char *str, * 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. @@ -489,7 +494,7 @@ jb_err enlist_unique_header(struct list *the_list, const char *name, * 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 : @@ -509,7 +514,7 @@ void list_remove_all(struct list *the_list) 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); } @@ -688,7 +693,7 @@ int list_remove_list(struct list *dest, const struct list *src) * 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. * *********************************************************************/ @@ -785,7 +790,7 @@ jb_err list_duplicate(struct list *dest, const struct list *src) * 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. * @@ -836,7 +841,7 @@ int list_is_empty(const struct list *the_list) { assert(the_list); assert(list_is_valid(the_list)); - + return (the_list->first == NULL); } @@ -881,10 +886,10 @@ void free_map(struct map *the_map) 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); @@ -923,9 +928,9 @@ void free_map(struct map *the_map) * 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 : @@ -936,7 +941,7 @@ void free_map(struct map *the_map) * 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,