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https://github.com/golang/go
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7590e28d24
Built after adding -Wconversion to the list of compiler arguments used when building. I believe these are all OK assuming we will not change the API. There is no effort to detect overflow due to very long strings. R=golang-dev, dave, rsc, r CC=golang-dev https://golang.org/cl/10195044
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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Plan 9 from User Space src/lib9/dirfwstat.c
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http://code.swtch.com/plan9port/src/tip/src/lib9/dirfwstat.c
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Copyright 2001-2007 Russ Cox. All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#define NOPLAN9DEFINES
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#include <u.h>
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#include <libc.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__linux__)
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/* do nothing -- futimes exists and is fine */
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#elif defined(__SunOS5_9__)
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/* use futimesat */
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static int
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futimes(int fd, struct timeval *tv)
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{
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return futimesat(fd, 0, tv);
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}
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#else
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/* provide dummy */
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/* rename just in case -- linux provides an unusable one */
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#undef futimes
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#define futimes myfutimes
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static int
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futimes(int fd, struct timeval *tv)
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{
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werrstr("futimes not available");
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return -1;
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}
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#endif
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int
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dirfwstat(int fd, Dir *dir)
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{
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int ret;
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struct timeval tv[2];
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ret = 0;
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#ifndef _WIN32
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if(~dir->mode != 0){
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if(fchmod(fd, (mode_t)dir->mode) < 0)
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ret = -1;
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}
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#endif
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if(~dir->mtime != 0){
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tv[0].tv_sec = (time_t)dir->mtime;
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tv[0].tv_usec = 0;
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tv[1].tv_sec = (time_t)dir->mtime;
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tv[1].tv_usec = 0;
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if(futimes(fd, tv) < 0)
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ret = -1;
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}
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return ret;
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}
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