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Move sed over to the generic llist_t for append. Saves about 90 bytes.

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This commit is contained in:
Rob Landley 2006-05-08 22:17:23 +00:00
parent 92d8b35594
commit 0b65628395
1 changed files with 9 additions and 27 deletions
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36
editors/sed.c
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@ -116,11 +116,7 @@ static sed_cmd_t sed_cmd_head;
static sed_cmd_t *sed_cmd_tail = &sed_cmd_head;
/* Linked list of append lines */
struct append_list {
char *string;
struct append_list *next;
};
static struct append_list *append_head=NULL, *append_tail=NULL;
static llist_t *append_head=NULL;
void sed_free_and_close_stuff(void);
#if ENABLE_FEATURE_CLEAN_UP
@ -128,12 +124,7 @@ void sed_free_and_close_stuff(void)
{
sed_cmd_t *sed_cmd = sed_cmd_head.next;
while(append_head) {
append_tail=append_head->next;
free(append_head->string);
free(append_head);
append_head=append_tail;
}
llist_free_contents(append_head);
while (sed_cmd) {
sed_cmd_t *sed_cmd_next = sed_cmd->next;
@ -691,28 +682,20 @@ static sed_cmd_t *branch_to(const char *label)
bb_error_msg_and_die("Can't find label for jump to `%s'", label);
}
/* Append copy of string to append buffer */
static void append(char *s)
{
struct append_list *temp=calloc(1,sizeof(struct append_list));
if(append_head)
append_tail=(append_tail->next=temp);
else append_head=append_tail=temp;
temp->string=strdup(s);
append_head=llist_add_to_end(append_head, bb_xstrdup(s));
}
static void flush_append(void)
{
char *data;
/* Output appended lines. */
while(append_head) {
fprintf(nonstdout,"%s\n",append_head->string);
append_tail=append_head->next;
free(append_head->string);
free(append_head);
append_head=append_tail;
while((data = (char *)llist_pop(&append_head))) {
fprintf(nonstdout,"%s\n",data);
free(data);
}
append_head=append_tail=NULL;
}
static void add_input_file(FILE *file)
@ -1113,8 +1096,7 @@ int sed_main(int argc, char **argv)
int status = EXIT_SUCCESS, opt, getpat = 1;
/* destroy command strings on exit */
if (ENABLE_FEATURE_CLEAN_UP && atexit(sed_free_and_close_stuff) == -1)
bb_perror_msg_and_die("atexit");
if (ENABLE_FEATURE_CLEAN_UP) atexit(sed_free_and_close_stuff);
/* Lie to autoconf when it starts asking stupid questions. */
if(argc==2 && !strcmp(argv[1],"--version")) {