diff options
Diffstat (limited to 'src/tracer.c')
-rw-r--r-- | src/tracer.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tracer.c b/src/tracer.c index be2f3cc..3b39759 100644 --- a/src/tracer.c +++ b/src/tracer.c @@ -24,6 +24,7 @@ #include <stdint.h> #include <stdlib.h> +#include <string.h> #include <otf.h> @@ -59,6 +60,23 @@ int ppaml_tracer_init( done: return r; } +int ppaml_tracer_init_from_env(ppaml_tracer_t *const tracer) +{ + int r = 0; + // Figure out where to put the trace. + const char *const report_name_base = getenv("PPAMLTRACER_TRACE_BASE"); + require_nonnull(report_name_base, 5); + if (report_name_base[0] == '\0') { + /* The variable exists, but it's empty, so we can't do anything + * with it. */ + r = 5; + goto done; + } + // Create the trace. + r = ppaml_tracer_init(tracer, report_name_base); +done: return r; +} + int ppaml_tracer_done(ppaml_tracer_t *const tracer) { int r = 0; |