From 5f3f5efcabf800358edd2507230f0dbc3ecc059c Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Wed, 24 Jun 2020 18:06:50 +0200
Subject: csv-test nach csv-perf umbenannt

---
 csv-perf.c | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 csv-perf.c

(limited to 'csv-perf.c')

diff --git a/csv-perf.c b/csv-perf.c
new file mode 100644
index 0000000..efd2155
--- /dev/null
+++ b/csv-perf.c
@@ -0,0 +1,139 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <time.h>
+#include <assert.h>
+
+#include "csv.h"
+
+static int
+test(FILE *f)
+{
+	int line = 0;
+	csv_t csv = { 0 };
+
+	while ( csv_read(&csv, f) != -1 ) {
+		++line;
+	}
+
+	return line;
+}
+
+static int
+test_exception(FILE *f)
+{
+	int line = 0;
+	csv_t csv[1];
+
+	csv_init(csv);
+	for ( int n; (n = csv_read(csv, f)) != -1; ) {
+		if (++line == 500000) csv_field(csv, -1);
+	}
+
+	return line;
+}
+
+static void
+my_signal_handler(int sig)
+{
+	if ( sig == SIGABRT ) {
+		fprintf(stderr, "my_signal_handler!\n");
+		exit(1);
+	}
+}
+
+static int
+test_exception_with_signal(FILE *f)
+{
+	void (*old_handler)(int) = signal(SIGABRT, my_signal_handler);
+
+	int line = 0;
+	csv_t csv[1];
+
+	csv_init(csv);
+	for ( int n; (n = csv_read(csv, f)) != -1; ) {
+		if (++line == 500000) csv_field(csv, -1);
+	}
+
+	signal(SIGABRT, old_handler);
+
+	return line;
+}
+
+static void
+my_error_handler(csv_err_t csv_err, void *env)
+{
+	assert(env != NULL);
+
+	fprintf(stderr, "my_error_handler: %s\n", csv_err_str(csv_err));
+	longjmp(*((jmp_buf *) env), 1);
+}
+
+static int
+test_exception_longjmp(FILE *f)
+{
+	/* start with default options */
+	csv_options_t csv_options = csv_default_options;
+
+	/* setup error handler */
+	jmp_buf env;
+	csv_options.cb_error = my_error_handler;
+	csv_options.cb_error_arg = &env;
+
+	/* setup csv-Object with custom options */
+	csv_t csv[1];
+	csv_init_opt(csv, &csv_options);
+
+	if ( setjmp(env) == 0 ) {
+		int line = 0;
+
+		for ( int n; (n = csv_read(csv, f)) != -1; ) {
+			// process data...
+			if (++line == 500000) csv_field(csv, -1);
+		}
+		return line;
+	}
+	else {
+		csv_cleanup(csv);
+		return -1;
+	}
+}
+
+int
+main(void)
+{
+#if 0
+	const char *names[] = { "Thomas \"DG\" Schmucker", "Andrea", "Markus", "Marion", NULL };
+
+	csv_write(stdout, -1, names, NULL);
+	csv_write(stdout,  0, names, NULL);
+	csv_write(stdout,  1, names, NULL);
+	csv_write(stdout,  2, names, NULL);
+	csv_write(stdout,  3, names, NULL);
+	csv_write(stdout,  4, names, NULL);
+	csv_write(stdout,  5, names, NULL);
+	return 0;
+#endif
+
+	FILE *in = fopen("500000 Records.csv", "r");
+	if ( in == NULL ) {
+		fprintf(stderr, "failed to open testfile...\n");
+		return EXIT_FAILURE;
+	}
+
+	clock_t start = clock();
+
+	int lines = test(in);
+	(void) test_exception;
+	(void) test_exception_with_signal;
+	(void) test_exception_longjmp;
+
+	clock_t end = clock();
+
+	fclose(in);
+
+	printf("%d lines processed, duration: %.3lf sec\n", lines, ((double)(end - start)) / CLOCKS_PER_SEC);
+
+	return EXIT_SUCCESS;
+}
-- 
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