dyxlat.c \
empty.h \
epoll.c \
+ error_prints.c \
+ error_prints.h \
evdev.c \
eventfd.c \
execve.c \
xlat.c \
xlat.h \
xmalloc.c \
+ xmalloc.h \
# end of strace_SOURCES
if USE_LIBUNWIND
#include <time.h>
#include <sys/time.h>
-#include "kernel_types.h"
+#include "error_prints.h"
#include "gcc_compat.h"
+#include "kernel_types.h"
#include "macros.h"
#include "mpers_type.h"
#include "sysent.h"
+#include "xmalloc.h"
#ifndef HAVE_STRERROR
const char *strerror(int);
#undef KERNEL_VERSION
#define KERNEL_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
-void error_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
-void perror_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
-void error_msg_and_die(const char *fmt, ...)
- ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
-void error_msg_and_help(const char *fmt, ...)
- ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
-void perror_msg_and_die(const char *fmt, ...)
- ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
-
-void *xmalloc(size_t size) ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1));
-void *xcalloc(size_t nmemb, size_t size)
- ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1, 2));
-void *xreallocarray(void *ptr, size_t nmemb, size_t size)
- ATTRIBUTE_ALLOC_SIZE((2, 3));
-char *xstrdup(const char *str) ATTRIBUTE_MALLOC;
-char *xstrndup(const char *str, size_t n) ATTRIBUTE_MALLOC;
-
extern int read_int_from_file(const char *, int *);
extern void set_sortby(const char *);
--- /dev/null
+/*
+ * Copyright (c) 1999-2017 The strace developers.
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdarg.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "error_prints.h"
+
+extern char *program_invocation_name;
+
+static void
+verror_msg(int err_no, const char *fmt, va_list p)
+{
+ char *msg;
+
+ fflush(NULL);
+
+ /* We want to print entire message with single fprintf to ensure
+ * message integrity if stderr is shared with other programs.
+ * Thus we use vasprintf + single fprintf.
+ */
+ msg = NULL;
+ if (vasprintf(&msg, fmt, p) >= 0) {
+ if (err_no)
+ fprintf(stderr, "%s: %s: %s\n",
+ program_invocation_name, msg, strerror(err_no));
+ else
+ fprintf(stderr, "%s: %s\n",
+ program_invocation_name, msg);
+ free(msg);
+ } else {
+ /* malloc in vasprintf failed, try it without malloc */
+ fprintf(stderr, "%s: ", program_invocation_name);
+ vfprintf(stderr, fmt, p);
+ if (err_no)
+ fprintf(stderr, ": %s\n", strerror(err_no));
+ else
+ putc('\n', stderr);
+ }
+ /* We don't switch stderr to buffered, thus fprintf(stderr)
+ * always flushes its output and this is not necessary: */
+ /* fflush(stderr); */
+}
+
+void
+error_msg(const char *fmt, ...)
+{
+ va_list p;
+ va_start(p, fmt);
+ verror_msg(0, fmt, p);
+ va_end(p);
+}
+
+void
+error_msg_and_die(const char *fmt, ...)
+{
+ va_list p;
+ va_start(p, fmt);
+ verror_msg(0, fmt, p);
+ die();
+}
+
+void
+error_msg_and_help(const char *fmt, ...)
+{
+ if (fmt != NULL) {
+ va_list p;
+ va_start(p, fmt);
+ verror_msg(0, fmt, p);
+ }
+ fprintf(stderr, "Try '%s -h' for more information.\n",
+ program_invocation_name);
+ die();
+}
+
+void
+perror_msg(const char *fmt, ...)
+{
+ va_list p;
+ va_start(p, fmt);
+ verror_msg(errno, fmt, p);
+ va_end(p);
+}
+
+void
+perror_msg_and_die(const char *fmt, ...)
+{
+ va_list p;
+ va_start(p, fmt);
+ verror_msg(errno, fmt, p);
+ die();
+}
--- /dev/null
+/*
+ * This file contains error printing functions.
+ * These functions can be used by various binaries included in the strace
+ * package. Variable 'program_invocation_name' and function 'die()'
+ * have to be defined globally.
+ *
+ * Copyright (c) 2001-2017 The strace developers.
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#ifndef STRACE_ERROR_PRINTS_H
+#define STRACE_ERROR_PRINTS_H
+
+#include "gcc_compat.h"
+
+void die(void) ATTRIBUTE_NORETURN;
+
+void error_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
+void perror_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
+void perror_msg_and_die(const char *fmt, ...)
+ ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
+void error_msg_and_help(const char *fmt, ...)
+ ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
+void error_msg_and_die(const char *fmt, ...)
+ ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
+
+#endif /* !STRACE_ERROR_PRINTS_H */
exit(0);
}
-static void ATTRIBUTE_NORETURN
+void ATTRIBUTE_NORETURN
die(void)
{
if (strace_tracer_pid == getpid()) {
exit(1);
}
-static void verror_msg(int err_no, const char *fmt, va_list p)
-{
- char *msg;
-
- fflush(NULL);
-
- /* We want to print entire message with single fprintf to ensure
- * message integrity if stderr is shared with other programs.
- * Thus we use vasprintf + single fprintf.
- */
- msg = NULL;
- if (vasprintf(&msg, fmt, p) >= 0) {
- if (err_no)
- fprintf(stderr, "%s: %s: %s\n",
- program_invocation_name, msg, strerror(err_no));
- else
- fprintf(stderr, "%s: %s\n",
- program_invocation_name, msg);
- free(msg);
- } else {
- /* malloc in vasprintf failed, try it without malloc */
- fprintf(stderr, "%s: ", program_invocation_name);
- vfprintf(stderr, fmt, p);
- if (err_no)
- fprintf(stderr, ": %s\n", strerror(err_no));
- else
- putc('\n', stderr);
- }
- /* We don't switch stderr to buffered, thus fprintf(stderr)
- * always flushes its output and this is not necessary: */
- /* fflush(stderr); */
-}
-
-void error_msg(const char *fmt, ...)
-{
- va_list p;
- va_start(p, fmt);
- verror_msg(0, fmt, p);
- va_end(p);
-}
-
-void error_msg_and_die(const char *fmt, ...)
-{
- va_list p;
- va_start(p, fmt);
- verror_msg(0, fmt, p);
- die();
-}
-
-void error_msg_and_help(const char *fmt, ...)
-{
- if (fmt != NULL) {
- va_list p;
- va_start(p, fmt);
- verror_msg(0, fmt, p);
- }
- fprintf(stderr, "Try '%s -h' for more information.\n",
- program_invocation_name);
- die();
-}
-
-void perror_msg(const char *fmt, ...)
-{
- va_list p;
- va_start(p, fmt);
- verror_msg(errno, fmt, p);
- va_end(p);
-}
-
-void perror_msg_and_die(const char *fmt, ...)
-{
- va_list p;
- va_start(p, fmt);
- verror_msg(errno, fmt, p);
- die();
-}
-
static void
error_opt_arg(int opt, const char *arg)
{
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include "defs.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "error_prints.h"
+#include "xmalloc.h"
-static void die_out_of_memory(void)
+static void
+die_out_of_memory(void)
{
- static bool recursed;
+ static int recursed;
if (recursed)
exit(1);
error_msg_and_die("Out of memory");
}
-void *xmalloc(size_t size)
+void *
+xmalloc(size_t size)
{
void *p = malloc(size);
return p;
}
-void *xcalloc(size_t nmemb, size_t size)
+void *
+xcalloc(size_t nmemb, size_t size)
{
void *p = calloc(nmemb, size);
#define HALF_SIZE_T (((size_t) 1) << (sizeof(size_t) * 4))
-void *xreallocarray(void *ptr, size_t nmemb, size_t size)
+void *
+xreallocarray(void *ptr, size_t nmemb, size_t size)
{
size_t bytes = nmemb * size;
return p;
}
-char *xstrdup(const char *str)
+char *
+xstrdup(const char *str)
{
char *p = strdup(str);
return p;
}
-char *xstrndup(const char *str, size_t n)
+char *
+xstrndup(const char *str, size_t n)
{
char *p;
--- /dev/null
+/*
+ * This file contains wrapper functions working with memory allocations,
+ * they just terminate the program in case of memory allocation failure.
+ * These functions can be used by various binaries included in the strace
+ * package.
+ *
+ * Copyright (c) 2001-2017 The strace developers.
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#ifndef STRACE_XMALLOC_H
+#define STRACE_XMALLOC_H
+
+#include <stddef.h>
+#include "gcc_compat.h"
+
+void *xcalloc(size_t nmemb, size_t size)
+ ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1, 2));
+void *xmalloc(size_t size) ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1));
+void *xreallocarray(void *ptr, size_t nmemb, size_t size)
+ ATTRIBUTE_ALLOC_SIZE((2, 3));
+char *xstrdup(const char *str) ATTRIBUTE_MALLOC;
+char *xstrndup(const char *str, size_t n) ATTRIBUTE_MALLOC;
+
+#endif /* !STRACE_XMALLOC_H */
projects / strace / commitdiff