| 1 | /* |
| 2 | * SPDX-License-Identifier: LGPL-2.1-only |
| 3 | * |
| 4 | * Copyright (C) 2020 Maxime Roussin-Belanger <maxime.roussinbelanger@gmail.com> |
| 5 | */ |
| 6 | |
| 7 | #include <stdarg.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <stdio.h> |
| 10 | #include <unistd.h> |
| 11 | |
| 12 | #include <lttng/tracef.h> |
| 13 | |
| 14 | static |
| 15 | void print_debug(const char* msg, ...) |
| 16 | __attribute__((format(printf, 1, 2))); |
| 17 | static |
| 18 | void print_debug(const char* msg, ...) |
| 19 | { |
| 20 | va_list ap; |
| 21 | |
| 22 | va_start(ap, msg); |
| 23 | lttng_ust_vtracef(msg, ap); |
| 24 | va_end(ap); |
| 25 | } |
| 26 | |
| 27 | int main(int argc, char **argv) |
| 28 | { |
| 29 | int i; |
| 30 | int delay = 0; |
| 31 | const char *str = "mystring test"; |
| 32 | long l = 0x42; |
| 33 | |
| 34 | if (argc > 2) |
| 35 | delay = atoi(argv[1]); |
| 36 | |
| 37 | fprintf(stderr, "Demo program starting.\n"); |
| 38 | |
| 39 | sleep(delay); |
| 40 | |
| 41 | fprintf(stderr, "Tracing... "); |
| 42 | |
| 43 | for (i = 0; i < 5; i++) { |
| 44 | print_debug("This is a \"%s\" formatted %d event %lx", str, i, l); |
| 45 | } |
| 46 | |
| 47 | fprintf(stderr, " done.\n"); |
| 48 | return 0; |
| 49 | } |