Fix building against current rust versions

3 files changed, 33 insertions, 30 deletions

diff --git a/Cargo.lock b/Cargo.lock
index b7675b4..aa03d8d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,4 +1,21 @@
 [root]
 name = "vtcol"
 version = "0.42.1"
+dependencies = [
+ "getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
+[[package]]
+name = "getopts"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "libc"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[metadata]
+"checksum getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "d9047cfbd08a437050b363d35ef160452c5fe8ea5187ae0a624708c91581d685"
+"checksum libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)" = "9e030dc72013ed68994d1b2cbf36a94dd0e58418ba949c4b0db7eeb70a7a6352"
diff --git a/Cargo.toml b/Cargo.toml
index bd08da9..07744d9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,3 +17,6 @@ name        = "vtcol"
 test        = false
 doc         = false
 
+[dependencies]
+libc = "0.2"
+getopts = "0.2"
diff --git a/src/vtcol.rs b/src/vtcol.rs
index e4f0b06..a82e5bb 100644
--- a/src/vtcol.rs
+++ b/src/vtcol.rs
@@ -1,24 +1,7 @@
-#![feature(libc)]
-#![feature(rustc_private)]
-#![feature(convert)]
-
-/* Core appears to require some extra handholding …
- */
-#![feature(core)]
-#![feature(core_slice_ext)]
-#![feature(core_str_ext)]
-
 extern crate libc;
 extern crate getopts;
 extern crate core;
 
-use std::io::BufRead;
-
-/* Various traits.
- */
-use core::slice::SliceExt;
-use core::str::StrExt;
-
 type Fd = libc::c_int;
 
 static mut VERBOSITY : u8 = 0_u8;
@@ -156,16 +139,16 @@ impl<'a> Job {
     {
         let argv : Vec<String> = std::env::args().collect();
         let this = argv[0].clone();
-        let opts = &[
-            getopts::optopt("s", "scheme", "predefined color scheme", "NAME"),
-            getopts::optopt("d", "dump", "dump predefined scheme", "NAME"),
-            getopts::optopt("f", "file", "apply scheme from file", "PATH"),
-            getopts::optflag("v", "verbose", "enable verbose messages"),
-            getopts::optflag("l", "list", "list available color schemes"),
-            getopts::optflag("h", "help", "print this message")
-        ];
-
-        let matches = match getopts::getopts(argv.tail(), opts)
+        let mut opts = getopts::Options::new();
+
+        opts.optopt("s", "scheme", "predefined color scheme", "NAME");
+        opts.optopt("d", "dump", "dump predefined scheme", "NAME");
+        opts.optopt("f", "file", "apply scheme from file", "PATH");
+        opts.optflag("v", "verbose", "enable verbose messages");
+        opts.optflag("l", "list", "list available color schemes");
+        opts.optflag("h", "help", "print this message");
+
+        let matches = match opts.parse(&argv[1..])
         {
             Ok(m) => m,
             Err(f) => panic!(f.to_string())
@@ -252,10 +235,10 @@ impl<'a> Job {
     }
 
     fn
-    usage (this : &String, opts: &[getopts::OptGroup])
+    usage (this : &String, opts: getopts::Options)
     {
         let brief = format!("usage: {} [options]", this);
-        print!("{}", getopts::usage(brief.as_str(), opts));
+        print!("{}", opts.usage(&brief));
     }
 
     fn
@@ -469,7 +452,7 @@ impl Palette {
                     if off > len - 6_usize { /* no room left for color definition after '#' char */
                         panic!("invalid color definition: {}", line);
                     }
-                    let col = line.slice_chars(off, off + RAW_COLEXPR_SIZE);
+                    let col = &line[off..(off + RAW_COLEXPR_SIZE)];
 
                     let (r, g, b) = rgb_of_hex_triplet(col);
                     pal[pal_idx + 0_usize] = r;