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dj(1): interpret a '-' file name as standard input/output

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This commit is contained in:
dtb 2024-01-10 15:03:04 -07:00
parent 88a66bcc01
commit 612067890f
Signed by: trinity
GPG Key ID: 31FF85CCB6DC7641
1 changed files with 6 additions and 1 deletions
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src/dj.c
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@ -314,7 +314,12 @@ int main(int argc, char *argv[]){
while((c = getopt(argc, argv, "a:Ab:B:c:di:fhHqs:S:o:")) != -1)
switch(c){
case 'i': case 'o':
if(Io_fdopen(&ep[c == 'o'], optarg) != -1)
i = (c == 'o');
if(optarg[0] == '-' && optarg[1] == '\0'){ /* optarg == "-" */
ep[i].fd = (i == 0) ? STDIN_FILENO : STDOUT_FILENO;
ep[i].fn = (i == 0) ? stdin_name : stdout_name;
break;
}else if(Io_fdopen(&ep[i], optarg) != -1)
break;
terminate(ep);
return oserr(optarg);