Annotation of embedaddon/sudo/plugins/sudoers/logwrap.c, revision 1.1
1.1 ! misho 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:
! 45: /*
! 46: * Print out line with word wrap around maxlen characters.
! 47: */
! 48: beg = line;
! 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: }
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