OpenSolaris Launch

1 files changed, 205 insertions, 0 deletions

diff --git a/usr/src/tools/ctf/cvt/util.c b/usr/src/tools/ctf/cvt/util.c
new file mode 100644
index 0000000000..2add463248
--- /dev/null
+++ b/usr/src/tools/ctf/cvt/util.c
@@ -0,0 +1,205 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * Utility functions
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libelf.h>
+#include <gelf.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+#include "ctftools.h"
+#include "memory.h"
+
+static void (*terminate_cleanup)() = NULL;
+
+/* returns 1 if s1 == s2, 0 otherwise */
+int
+streq(char *s1, char *s2)
+{
+	if (s1 == NULL) {
+		if (s2 != NULL)
+			return (0);
+	} else if (s2 == NULL)
+		return (0);
+	else if (strcmp(s1, s2) != 0)
+		return (0);
+
+	return (1);
+}
+
+int
+findelfsecidx(Elf *elf, char *tofind)
+{
+	Elf_Scn *scn = NULL;
+	GElf_Ehdr ehdr;
+	GElf_Shdr shdr;
+
+	if (gelf_getehdr(elf, &ehdr) == NULL) {
+		terminate("gelf_getehdr: %s\n", elf_errmsg(elf_errno()));
+	}
+
+	while ((scn = elf_nextscn(elf, scn)) != NULL) {
+		char *name;
+
+		if (gelf_getshdr(scn, &shdr) == NULL ||
+		    (name = elf_strptr(elf, ehdr.e_shstrndx,
+		    (size_t)shdr.sh_name)) == NULL) {
+			terminate("gelf_getehdr: %s\n",
+			    elf_errmsg(elf_errno()));
+		}
+
+		if (strcmp(name, tofind) == 0)
+			return (elf_ndxscn(scn));
+	}
+
+	return (-1);
+}
+
+/*PRINTFLIKE2*/
+static void
+whine(char *type, char *format, va_list ap)
+{
+	int error = errno;
+
+	fprintf(stderr, "%s: %s: ", type, progname);
+	vfprintf(stderr, format, ap);
+
+	if (format[strlen(format) - 1] != '\n')
+		fprintf(stderr, ": %s\n", strerror(error));
+}
+
+void
+vaterminate(char *format, va_list ap)
+{
+	whine("ERROR", format, ap);
+}
+
+void
+set_terminate_cleanup(void (*cleanup)())
+{
+	terminate_cleanup = cleanup;
+}
+
+/*PRINTFLIKE1*/
+void
+terminate(char *format, ...)
+{
+	if (format) {
+		va_list ap;
+
+		va_start(ap, format);
+		whine("ERROR", format, ap);
+		va_end(ap);
+	}
+
+	if (terminate_cleanup)
+		terminate_cleanup();
+
+	exit(1);
+}
+
+/*PRINTFLIKE1*/
+void
+warning(char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+	whine("WARNING", format, ap);
+	va_end(ap);
+
+	if (debug_level >= 3)
+		terminate("Termination due to warning\n");
+}
+
+/*PRINTFLIKE2*/
+void
+vadebug(int level, char *format, va_list ap)
+{
+	if (level > debug_level)
+		return;
+
+	(void) fprintf(DEBUG_STREAM, "DEBUG: ");
+	(void) vfprintf(DEBUG_STREAM, format, ap);
+	fflush(DEBUG_STREAM);
+}
+
+/*PRINTFLIKE2*/
+void
+debug(int level, char *format, ...)
+{
+	va_list ap;
+
+	if (level > debug_level)
+		return;
+
+	va_start(ap, format);
+	(void) vadebug(level, format, ap);
+	va_end(ap);
+}
+
+char *
+mktmpname(const char *origname, const char *suffix)
+{
+	const char *dot;
+	char *newname;
+	size_t newlen;
+
+	if (!(dot = strrchr(origname, '.')))
+		dot = origname + strlen(origname);
+
+	newlen = dot - origname + strlen(suffix) + 1;
+	newname = xmalloc(newlen);
+	snprintf(newname, newlen, "%*.*s%s", dot - origname, dot - origname,
+	    origname, suffix);
+
+	return (newname);
+}
+
+/*PRINTFLIKE2*/
+void
+elfterminate(const char *file, const char *fmt, ...)
+{
+	static char msgbuf[BUFSIZ];
+	va_list ap;
+
+	va_start(ap, fmt);
+	vsnprintf(msgbuf, sizeof (msgbuf), fmt, ap);
+	va_end(ap);
+
+	terminate("%s: %s: %s\n", file, msgbuf, elf_errmsg(elf_errno()));
+}