diff options
| -rw-r--r-- | chattymalloc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/chattymalloc.c b/chattymalloc.c index fbea7dd..77f818f 100644 --- a/chattymalloc.c +++ b/chattymalloc.c @@ -207,7 +207,12 @@ static void __attribute__((constructor)) init() { initializing = 1; char *fname = getenv("CHATTYMALLOC_FILE"); if (fname == NULL) { - fname = "chattymalloc.trace"; + fname = "chattymalloc-%d.trace"; + } + + if (asprintf(&fname, fname, getpid()) == -1) { + fprintf(stderr, "can't format output file name"); + abort(); } out_fd = open(fname, O_RDWR | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); |