Return to logwrap.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sudo / plugins / sudoers

sudo v 1.8.10p3

    1: /*
    2:  * Copyright (c) 2011 Todd C. Miller <Todd.Miller@courtesan.com>
    3:  *
    4:  * Permission to use, copy, modify, and distribute this software for any
    5:  * purpose with or without fee is hereby granted, provided that the above
    6:  * copyright notice and this permission notice appear in all copies.
    7:  *
    8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   15:  */
   16: 
   17: #include <config.h>
   18: 
   19: #include <sys/types.h>
   20: #include <stdio.h>
   21: #ifdef STDC_HEADERS
   22: # include <stdlib.h>
   23: # include <stddef.h>
   24: #else
   25: # ifdef HAVE_STDLIB_H
   26: #  include <stdlib.h>
   27: # endif
   28: #endif /* STDC_HEADERS */
   29: #ifdef HAVE_STRING_H
   30: # include <string.h>
   31: #endif /* HAVE_STRING_H */
   32: #ifdef HAVE_STRINGS_H
   33: # include <strings.h>
   34: #endif /* HAVE_STRINGS_H */
   35: 
   36: #include "sudoers.h"
   37: 
   38: void
   39: writeln_wrap(FILE *fp, char *line, size_t len, size_t maxlen)
   40: {
   41:     char *indent = "";
   42:     char *beg = line;
   43:     char *end;
   44:     debug_decl(writeln_wrap, SUDO_DEBUG_LOGGING)
   45: 
   46:     /*
   47:      * Print out line with word wrap around maxlen characters.
   48:      */
   49:     while (len > maxlen) {
   50: 	end = beg + maxlen;
   51: 	while (end != beg && *end != ' ')
   52: 	    end--;
   53: 	if (beg == end) {
   54: 	    /* Unable to find word break within maxlen, look beyond. */
   55: 	    end = strchr(beg + maxlen, ' ');
   56: 	    if (end == NULL)
   57: 		break;	/* no word break */
   58: 	}
   59: 	fprintf(fp, "%s%.*s\n", indent, (int)(end - beg), beg);
   60: 	while (*end == ' ')
   61: 	    end++;
   62: 	len -= (end - beg);
   63: 	beg = end;
   64: 	if (indent[0] == '\0') {
   65: 	    indent = LOG_INDENT;
   66: 	    maxlen -= sizeof(LOG_INDENT) - 1;
   67: 	}
   68:     }
   69:     /* Print remainder, if any. */
   70:     if (len)
   71: 	fprintf(fp, "%s%s\n", indent, beg);
   72: 
   73:     debug_return;
   74: }