diff options
Diffstat (limited to 'toys/other/tac.c')
-rw-r--r-- | toys/other/tac.c | 68 |
1 files changed, 33 insertions, 35 deletions
diff --git a/toys/other/tac.c b/toys/other/tac.c index 7a8bb4ae..78b22866 100644 --- a/toys/other/tac.c +++ b/toys/other/tac.c @@ -1,53 +1,51 @@ -/* vi: set sw=4 ts=4: - * - * tac.c - output lines in reverse order +/* tac.c - output lines in reverse order * * Copyright 2012 Rob Landley <rob@landley.net> USE_TAC(NEWTOY(tac, NULL, TOYFLAG_USR|TOYFLAG_BIN)) config TAC - bool "tac" - default y - help - usage: tac [FILE...] + bool "tac" + default y + help + usage: tac [FILE...] - Output lines in reverse order. + Output lines in reverse order. */ #include "toys.h" void do_tac(int fd, char *name) { - struct arg_list *list = NULL; - char *c; - - // Read in lines - for (;;) { - struct arg_list *temp; - int len; - - if (!(c = get_line(fd))) break; - - len = strlen(c); - if (len && c[len-1]=='\n') c[len-1] = 0; - temp = xmalloc(sizeof(struct arg_list)); - temp->next = list; - temp->arg = c; - list = temp; - } - - // Play them back. - while (list) { - struct arg_list *temp = list->next; - xputs(list->arg); - free(list->arg); - free(list); - list = temp; - } + struct arg_list *list = NULL; + char *c; + + // Read in lines + for (;;) { + struct arg_list *temp; + int len; + + if (!(c = get_line(fd))) break; + + len = strlen(c); + if (len && c[len-1]=='\n') c[len-1] = 0; + temp = xmalloc(sizeof(struct arg_list)); + temp->next = list; + temp->arg = c; + list = temp; + } + + // Play them back. + while (list) { + struct arg_list *temp = list->next; + xputs(list->arg); + free(list->arg); + free(list); + list = temp; + } } void tac_main(void) { - loopfiles(toys.optargs, do_tac); + loopfiles(toys.optargs, do_tac); } |