diff options
Diffstat (limited to 'sha3sum.java')
| -rw-r--r-- | sha3sum.java | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/sha3sum.java b/sha3sum.java index 2baf1e5..6a122ff 100644 --- a/sha3sum.java +++ b/sha3sum.java @@ -34,7 +34,7 @@ public class sha3sum * @param argv Command line arguments * @throws IOException On I/O error (such as broken pipes) */ - public static void main(String... argv) throws IOException + public static void main(String[] argv) throws IOException { String cmd, _cmd = cmd = ""; //FIXME /proc/self/cmdline split ^@ [0] if (cmd.indexOf('/') >= 0) @@ -55,14 +55,15 @@ public class sha3sum int _i, i = _i = 1; /* --iterations */ boolean binary = false; - ArrayList<String> files = new ArrayList<String>(); + String[] files = new String[argv.length + 1]; + int fptr = 0; boolean dashed = false; String[] linger = null; String[] args = new String[argv.length + 1]; System.arraycopy(argv, 0, args, 0, argv.length); - for (String arg : args) - { + for (int a = 0, an = args.length; a < an; a++) + { String arg = args[a]; arg = arg == null ? null : arg.intern(); if (linger != null) { @@ -148,11 +149,11 @@ public class sha3sum if (arg == null) continue; if (dashed) - files.add(arg == "-" ? null : arg); + files[fptr++] = arg == "-" ? null : arg; else if (arg == "--") dashed = true; else if (arg == "-") - files.add(null); + files[fptr++] = null; else if (arg.startsWith("--")) if (arg.indexOf('=') >= 0) linger = new String[] { arg.substring(0, arg.indexOf('=')), arg.substring(arg.indexOf('=') + 1) }; @@ -175,11 +176,11 @@ public class sha3sum linger = new String[] { "-" + arg.charAt(0), arg.substring(1) }; } else - files.add(arg); + files[fptr++] = arg; } - if (files.isEmpty()) - files.add(null); + if (fptr == 0) + files[fptr++] = null; if (i < 1) { System.err.println(_cmd + ": sorry, I will only do at least one iteration!\n"); @@ -188,9 +189,10 @@ public class sha3sum byte[] stdin = null; boolean fail = false; + String filename; - for (String filename : files) - { if ((filename == null) && (stdin != null)) + for (int f = 0; f < fptr; f++) + { if (((filename = files[f]) == null) && (stdin != null)) { System.out.write(stdin); continue; } @@ -223,9 +225,9 @@ public class sha3sum System.out.flush(); } else - { for (byte b : bs) - { rc += "0123456789ABCDEF".charAt((b >> 4) & 15); - rc += "0123456789ABCDEF".charAt(b & 15); + { for (int b = 0, bn = bs.length; b < bn; b++) + { rc += "0123456789ABCDEF".charAt((bs[b] >> 4) & 15); + rc += "0123456789ABCDEF".charAt(bs[b] & 15); } rc += " " + (filename == null ? "-" : filename) + "\n"; if (filename == null) |