mirror of
https://github.com/freebsd/freebsd-src.git
synced 2026-11-07 04:36:52 -10:00
Pierre Pronchery
fe9da42ef1
Obtained from https://github.com/pkgconf/pkgconf/archive/refs/tags/pkgconf-3.0.9.tar.gz SHA1: a390f016a7a5ff419c9eef9e2b2c01fe86c11971 - SHA256: 32310a33bb97425ebc0707cb5af59f9dc05d10282dcd4db628a45ed904993dc6 - SHA512: 30776d31f860910286b96fbf60a19b5a6d1e73cb6a1077a019d763ae6e5ed1e8d81bc3649978c83f40e5e90ae779f7e530c513b700c8e73bb6399883dd6ef7ab - Sponsored by: The FreeBSD Foundation
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
/*
|
|
* SPDX-License-Identifier: pkgconf
|
|
*
|
|
* Copyright (c) 2012 Ariadne Conill <[email protected]>
|
|
*
|
|
* Permission to use, copy, modify, and/or 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.
|
|
*
|
|
* This software is provided 'as is' and without any warranty, express or
|
|
* implied. In no event shall the authors be liable for any damages arising
|
|
* from the use of this software.
|
|
*/
|
|
|
|
#include <libpkgconf/stdinc.h>
|
|
#include <libpkgconf/bsdstubs.h>
|
|
#include <libpkgconf/config.h>
|
|
|
|
#if HAVE_DECL_STRNDUP
|
|
# define pkgconf_strndup_impl strndup
|
|
#else
|
|
/*
|
|
* Creates a memory buffer and copies at most 'len' characters to it.
|
|
* If 'len' is less than the length of the source string, truncation occurred.
|
|
*/
|
|
static inline char *
|
|
pkgconf_strndup_impl(const char *src, size_t len)
|
|
{
|
|
const char *end = memchr(src, '\0', len);
|
|
size_t n = end != NULL ? (size_t)(end - src) : len;
|
|
char *out = malloc(n + 1);
|
|
|
|
if (out == NULL)
|
|
return NULL;
|
|
|
|
memcpy(out, src, n);
|
|
out[n] = '\0';
|
|
|
|
return out;
|
|
}
|
|
#endif
|
|
|
|
#if HAVE_DECL_PLEDGE
|
|
# define pkgconf_pledge_impl pledge
|
|
#else
|
|
static inline int
|
|
pkgconf_pledge_impl(const char *promises, const char *execpromises)
|
|
{
|
|
(void) promises;
|
|
(void) execpromises;
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#if HAVE_DECL_UNVEIL
|
|
# define pkgconf_unveil_impl unveil
|
|
#else
|
|
static inline int
|
|
pkgconf_unveil_impl(const char *path, const char *permissions)
|
|
{
|
|
(void) path;
|
|
(void) permissions;
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#if HAVE_DECL_REALLOCARRAY
|
|
# define pkgconf_reallocarray_impl reallocarray
|
|
#else
|
|
static inline void *
|
|
pkgconf_reallocarray_impl(void *ptr, size_t m, size_t n)
|
|
{
|
|
if (n && m > -1 / n)
|
|
{
|
|
errno = ENOMEM;
|
|
return 0;
|
|
}
|
|
|
|
return realloc(ptr, m * n);
|
|
}
|
|
#endif
|
|
|
|
char *
|
|
pkgconf_strndup(const char *src, size_t len)
|
|
{
|
|
return pkgconf_strndup_impl(src, len);
|
|
}
|
|
|
|
void *
|
|
pkgconf_reallocarray(void *ptr, size_t m, size_t n)
|
|
{
|
|
return pkgconf_reallocarray_impl(ptr, m, n);
|
|
}
|
|
|
|
int
|
|
pkgconf_pledge(const char *promises, const char *execpromises)
|
|
{
|
|
return pkgconf_pledge_impl(promises, execpromises);
|
|
}
|
|
|
|
int
|
|
pkgconf_unveil(const char *path, const char *permissions)
|
|
{
|
|
return pkgconf_unveil_impl(path, permissions);
|
|
}
|