touch: posix open
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8ec404cdec
commit
444de72fd3
3
kill.1
3
kill.1
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@ -25,4 +25,5 @@ lists available signals. If a
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.I signum
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is given, only the corresponding signal name will be printed.
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.SH SEE ALSO
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.IR kill (2)
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.IR kill (2),
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.IR signal (7)
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21
touch.c
21
touch.c
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@ -43,17 +43,20 @@ touch(const char *str)
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struct stat st;
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struct utimbuf ut;
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if(stat(str, &st) == -1) {
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if(errno != ENOENT)
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eprintf("stat %s:", str);
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if(cflag)
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return;
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if((fd = creat(str, O_EXCL|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) < 0)
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eprintf("creat %s:", str);
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close(fd);
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}
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if(stat(str, &st) == 0) {
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ut.actime = st.st_atime;
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ut.modtime = t;
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if(utime(str, &ut) == -1)
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eprintf("utime %s:", str);
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return;
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}
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else if(errno != ENOENT)
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eprintf("stat %s:", str);
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else if(cflag)
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return;
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if((fd = open(str, O_CREAT|O_EXCL,
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S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) == -1)
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eprintf("open %s:", str);
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close(fd);
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touch(str);
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}
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