Adding upstream version 1:1.7.1.upstream/1%1.7.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 180 insertions, 0 deletions

diff --git a/samples/Makefile b/samples/Makefile
new file mode 100644
index 0000000..2962611
--- /dev/null
+++ b/samples/Makefile
@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: LGPL-2.1
+
+include $(src)/scripts/utils.mk
+
+TARGETS :=
+TARGETS += test-event
+
+sdir := $(obj)/samples
+
+TARGETS := $(patsubst %,$(sdir)/%,$(TARGETS))
+
+all: $(TARGETS)
+
+$(sdir):
+	@mkdir -p $(sdir)
+
+$(TARGETS): $(sdir) $(LIBTRACEEVENT_STATIC)
+
+$(sdir)/%: $(bdir)/%.o
+	$(call do_sample_build,$@,$<)
+
+$(bdir)/%.o: $(bdir)/%.c
+	$(Q)$(CC) -o $@ -c $< $(CFLAGS) $(INCLUDES)
+
+clean:
+	$(Q)$(call do_clean,$(sdir)/*)
diff --git a/samples/test-event.c b/samples/test-event.c
new file mode 100644
index 0000000..b25da1e
--- /dev/null
+++ b/samples/test-event.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * Copyright (C) 2022 Google Inc, Steven Rostedt <rostedt@goodmis.org>
+ */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <getopt.h>
+#include <event-parse.h>
+
+static char *argv0;
+
+static char *get_this_name(void)
+{
+	static char *this_name;
+	char *arg;
+	char *p;
+
+	if (this_name)
+		return this_name;
+
+	arg = argv0;
+	p = arg+strlen(arg);
+
+	while (p >= arg && *p != '/')
+		p--;
+	p++;
+
+	this_name = p;
+	return p;
+}
+
+static void usage(void)
+{
+	char *p = get_this_name();
+
+	printf("usage: %s [options]\n"
+	       " -h : this message\n"
+	       " -s system : the system for the event\n"
+	       " -e format : the event format file\n"
+	       " -f file : file to read the event from\n"
+	       "      otherwise, reads from stdin\n"
+	       "\n",p);
+	exit(-1);
+}
+
+static void __vdie(const char *fmt, va_list ap, int err)
+{
+	int ret = errno;
+	char *p = get_this_name();
+
+	if (err && errno)
+		perror(p);
+	else
+		ret = -1;
+
+	fprintf(stderr, "  ");
+	vfprintf(stderr, fmt, ap);
+
+	fprintf(stderr, "\n");
+	exit(ret);
+}
+
+void die(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vdie(fmt, ap, 0);
+	va_end(ap);
+}
+
+void pdie(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vdie(fmt, ap, 1);
+	va_end(ap);
+}
+
+/* Must be a power of two */
+#define BUFALLOC	1024
+#define BUFMASK		(~(BUFALLOC - 1))
+
+int main(int argc, char **argv)
+{
+	struct tep_handle *tep;
+	struct tep_event *event;
+	FILE *file = stdin;
+	FILE *fp = NULL;
+	char *system = NULL;
+	char *event_buf = NULL;
+	int esize = 0;
+	int c;
+
+	argv0 = argv[0];
+
+	while ((c = getopt(argc, argv, "hs:e:f:")) >= 0) {
+		switch (c) {
+		case 's':
+			system = optarg;
+			break;
+		case 'e':
+			event_buf = optarg;
+			file = NULL;
+			break;
+		case 'f':
+			fp = fopen(optarg, "r");
+			if (!fp)
+				pdie("%s", optarg);
+			file = fp;
+			break;
+		case 'h':
+			usage();
+		}
+	}
+	if (file) {
+		char *line = NULL;
+		size_t n = 0;
+		int len;
+
+		while (getline(&line, &n, file) > 0) {
+			len = strlen(line) + 1;
+
+			if (((esize - 1) & BUFMASK) < ((esize + len) & BUFMASK)) {
+				int a;
+
+				a = (esize + len + BUFALLOC - 1) & BUFMASK;
+				event_buf = realloc(event_buf, a);
+				if (!event_buf)
+					pdie("allocating event");
+			}
+			strcpy(event_buf + esize, line);
+			esize += len - 1;
+		}
+		free(line);
+	}
+
+	tep = tep_alloc();
+	if (!tep)
+		pdie("Allocating tep handle");
+
+	tep_set_loglevel(TEP_LOG_ALL);
+
+	if (!system)
+		system = "test";
+
+	if (tep_parse_format(tep, &event, event_buf, esize, system))
+		die("Failed to parse event");
+
+}