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Add -f flag to ln

This commit is contained in:
call-cc 2020-06-02 16:53:42 -04:00
parent f458b93c2b
commit 9486a5004e
1 changed files with 7 additions and 4 deletions
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11
src/ln.c
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@ -10,13 +10,16 @@ main(int argc, char *argv[])
printf("Usage: ln oldfile newfile\n");
return 1;
}
int opts;
int fd;
while((opts = getopt(argc, argv, "s:")) != -1)
int opts, fd, fflag;
while((opts = getopt(argc, argv, "sf")) != -1)
{
switch(opts)
{
case 's':
case 'f':
fflag=1;
case 's':
if(fflag && (access(argv[3], F_OK) != 1))
unlink(argv[3]);
symlink(argv[2],argv[3]);
break;
case '?':