Mercurial > hg > toybox
view toys/other/tac.c @ 694:786841fdb1e0
Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
The actual code should be the same afterward, this is just cosmetic refactoring.
author | Rob Landley <rob@landley.net> |
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date | Tue, 13 Nov 2012 17:14:08 -0600 |
parents | 6df4ccc0acbe |
children | f7eaff0c8d0c |
line wrap: on
line source
/* 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...] 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; } } void tac_main(void) { loopfiles(toys.optargs, do_tac); }