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better comment

This commit is contained in:
dtb 2023-12-17 23:34:35 -07:00
parent 65f6685c05
commit 6661d641dd

View File

@ -47,12 +47,11 @@ int main(int argc, char *argv[]){
default: goto usage;
}
/* If -p is used there must be additional arguments. This is to support
* arbitrary arguments to the command specified but has the side-effect
* of being inconsistent with other programs in that the usage
* 'peek -p1n cat' would work, where usually the 'cat' program would
* have to be specified immediately after -p as in 'peek -1np cat'.
* This is fine, though, because all intended usages work fine. */
/* If -p is used there must be additional arguments. Getopt(3) wouldn't
* work for this because optarg would have to be one string to give to
* system(3) or an equivalent and it would be a mess of parsing and
* security issues. Any intended usage works with this slightly funkier
* argument parsing, unintended usages work as happy coincidence. */
if((argc > optind) == (outputs[2] == 0)){
usage: fprintf(stderr, "Usage: %s (-1enot)"
" (-p [program [arguments...]])\n",