sensor.c: print to file

1 files changed, 9 insertions, 2 deletions

diff --git a/sensor.c b/sensor.c
index b2d5ddd..29f2718 100644
--- a/sensor.c
+++ b/sensor.c
@@ -63,8 +63,15 @@ int main() {
 			last_state = 1-last_state;
 		}
 	}
-	printf("RH: %f %%\n", data[0] + data[1]/256.);
-	printf("T: %f °C\n", data[2] + data[3]/256.);
+	FILE *of;
+	of = fopen("/srv/http/tmp/sensor", "w");
+	if (of == NULL) {
+		fprintf(stderr, "Failed to open '%s' for writing.\n", "/srv/http/tmp/sensor");
+		return -1;
+	}
+	fprintf(of, "RH: %f %%\n", data[0] + data[1]/256.);
+	fprintf(of, "T: %f °C\n", data[2] + data[3]/256.);
+	fclose(of);
 } // main
 
 //