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lib/util/basename.c
47 строк
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Todd C. Miller
In C23 the constness of string function returns depends on the first arg
15 май 2026, 02:05
15 май 2026, 02:05
e4a2797
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/* * SPDX-License-Identifier: ISC * * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> * * 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 <errno.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <syslog.h> #include <sudo_compat.h> #include <sudo_util.h> /* * GNU-compatible basename(3) * Unlike the POSIX version, this version never modifies its argument * and returns an empty string if filename ends in a slash. */ char * sudo_basename_v1(const char *filename) { const char *base; if ((base = strrchr(filename, '/')) != NULL) base++; else base = filename; return (char *)base; }