1 files changed, 133 insertions, 0 deletions
diff --git a/usr.bin/c99/c99.c b/usr.bin/c99/c99.c
new file mode 100644
index 0000000..f5f273f
--- /dev/null
+++ b/usr.bin/c99/c99.c
@@ -0,0 +1,133 @@
+/*-
+ * Copyright (c) 2002 Tim J. Robbins.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * c99 -- compile standard C programs
+ *
+ * This is essentially a wrapper around the system C compiler that forces
+ * the compiler into C99 mode and handles some of the standard libraries
+ * specially.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static char **args;
+static u_int cargs, nargs;
+
+static void addarg(const char *);
+static void addlib(const char *);
+static void usage(void);
+
+int
+main(int argc, char *argv[])
+{
+	int ch, i;
+
+	args = NULL;
+	cargs = nargs = 0;
+
+	while ((ch = getopt(argc, argv, "cD:EgI:L:o:O:sU:l:")) != -1) {
+		if (ch == 'l') {
+			/* Gone too far. Back up and get out. */
+			if (argv[optind - 1][0] == '-')
+				optind -= 1;
+			else
+				optind -= 2;
+			break;
+		} else if (ch == '?')
+			usage();
+	}
+
+	addarg("cc");
+	addarg("-std=iso9899:1999");
+	addarg("-pedantic");
+	for (i = 1; i < optind; i++)
+		addarg(argv[i]);
+	while (i < argc) {
+		if (strncmp(argv[i], "-l", 2) == 0) {
+			if (argv[i][2] != '\0')
+				addlib(argv[i++] + 2);
+			else {
+				if (argv[++i] == NULL)
+					usage();
+				addlib(argv[i++]);
+			}
+		} else
+			addarg(argv[i++]);
+	}
+	execv("/usr/bin/cc", args);
+	err(1, "/usr/bin/cc");
+}
+
+static void
+addarg(const char *item)
+{
+	if (nargs + 1 >= cargs) {
+		cargs += 16;
+		if ((args = realloc(args, sizeof(*args) * cargs)) == NULL)
+			err(1, "malloc");
+	}
+	if ((args[nargs++] = strdup(item)) == NULL)
+		err(1, "strdup");
+	args[nargs] = NULL;
+}
+
+static void
+addlib(const char *lib)
+{
+
+	if (strcmp(lib, "pthread") == 0)
+		/* FreeBSD's gcc uses -pthread instead of -lpthread. */
+		addarg("-pthread");
+	else if (strcmp(lib, "rt") == 0)
+		/* librt functionality is in libc or unimplemented. */
+		;
+	else if (strcmp(lib, "xnet") == 0)
+		/* xnet functionality is in libc. */
+		;
+	else {
+		addarg("-l");
+		addarg(lib);
+	}
+}
+
+static void
+usage(void)
+{
+	(void)fprintf(stderr, "%s\n%s\n",
+"usage: c99 [-cEgs] [-D name[=value]] ... [-I directory] ... [-L directory] ...",
+"       [-o outfile] [-O optlevel] [-U name] ... operand ...");
+	exit(1);
+}