Add colormake(1).

utils/.gitignore

@@ -3,6 +3,7 @@ calc
 cat
 chvideomode
 clear
+colormake
 column
 cp
 echo

utils/Makefile

@@ -19,6 +19,7 @@ calc \
 cat \
 chvideomode \
 clear \
+colormake \
 column \
 cp \
 echo \

utils/colormake.cpp

@@ -0,0 +1,102 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2013.
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see <http://www.gnu.org/licenses/>.
+
+    colormake.cpp
+    Colors the output of the make program.
+
+*******************************************************************************/
+
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <errno.h>
+#include <error.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+const int MODE_NONE = 1;
+const int MODE_MAKE = 2;
+const int MODE_GCC = 3;
+const int MODE_GCC_MSG = 4;
+
+int main(int /*argc*/, char* argv[])
+{
+	int pipe_fds[2];
+	if ( pipe(pipe_fds) )
+		error(1, errno, "pipe");
+	pid_t child_pid = fork();
+	if ( child_pid < 0 )
+		error(1, errno, "fork");
+	if ( !child_pid )
+	{
+		dup2(pipe_fds[1], 1);
+		dup2(pipe_fds[1], 2);
+		close(pipe_fds[0]);
+		close(pipe_fds[1]);
+		argv[0] = (char*) "make";
+		execvp(argv[0],  argv);
+		if ( errno == ENOENT )
+			fprintf(stderr, "It would seem make isn't installed.\n");
+		error(127, errno, "%s", argv[0]);
+	}
+	dup2(pipe_fds[0], 0);
+	close(pipe_fds[0]);
+	close(pipe_fds[1]);
+	char* line = NULL;
+	size_t line_size = 0;
+	ssize_t line_len;
+	int mode = MODE_NONE;
+	while ( 0 < (line_len = getline(&line, &line_size, stdin)) )
+	{
+		if ( strstr(line, "make") )
+			mode = MODE_MAKE;
+		if ( strstr(line, "gcc") || strstr(line, "g++") )
+			mode = MODE_GCC;
+		const char* color = "\e[m";
+		int next_mode = MODE_NONE;
+		if ( mode == MODE_MAKE )
+			color = "\e[36m";
+		if ( mode == MODE_GCC )
+			color = "\e[32m",
+			next_mode = MODE_GCC_MSG;
+		if ( mode == MODE_GCC_MSG )
+		{
+			next_mode = mode;
+			if ( strstr(line, "warning:") ||
+			     strstr(line, "note:") ||
+			     strstr(line, "In file included from") ||
+			     strstr(line, "                 from") ||
+			     strstr(line, "At global scope") ||
+			     strstr(line, "At top level") ||
+			     strstr(line, "In member function") ||
+			     strstr(line, "In function") ||
+			     line[0] == ' ' )
+				color = "\e[33m";
+			else if ( strstr(line, "error:") )
+				color = "\e[31m";
+			else
+				next_mode = MODE_NONE;
+		}
+		printf("%s%s", color, line);
+		fflush(stdout);
+		mode = next_mode;
+	}
+	int status;
+	waitpid(child_pid, &status, 0);
+	return WEXITSTATUS(status);
+}