/* * Copyright (c) 2011 Todd C. Miller <Todd.Miller@courtesan.com> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <config.h> #include <sys/types.h> #include <stdio.h> #ifdef STDC_HEADERS # include <stdlib.h> # include <stddef.h> #else # ifdef HAVE_STDLIB_H # include <stdlib.h> # endif #endif /* STDC_HEADERS */ #ifdef HAVE_STRING_H # include <string.h> #endif /* HAVE_STRING_H */ #ifdef HAVE_STRINGS_H # include <strings.h> #endif /* HAVE_STRINGS_H */ #include "sudo.h" void writeln_wrap(fp, line, len, maxlen) FILE *fp; char *line; size_t len; size_t maxlen; { char *indent = ""; char *beg = line; char *end; /* * Print out line with word wrap around maxlen characters. */ beg = line; while (len > maxlen) { end = beg + maxlen; while (end != beg && *end != ' ') end--; if (beg == end) { /* Unable to find word break within maxlen, look beyond. */ end = strchr(beg + maxlen, ' '); if (end == NULL) break; /* no word break */ } fprintf(fp, "%s%.*s\n", indent, (int)(end - beg), beg); while (*end == ' ') end++; len -= (end - beg); beg = end; if (indent[0] == '\0') { indent = LOG_INDENT; maxlen -= sizeof(LOG_INDENT) - 1; } } /* Print remainder, if any. */ if (len) fprintf(fp, "%s%s\n", indent, beg); }