1 files changed, 38 insertions, 0 deletions
diff --git a/src/get_file.c b/src/get_file.c
new file mode 100644
index 0000000..9141631
--- /dev/null
+++ b/src/get_file.c
@@ -0,0 +1,38 @@
+
+#include "fracture.h"
+
+FILE *get_file(const char *prefix, unsigned int width, unsigned int crack,
+							 double beta, unsigned int iter, unsigned int num_iter,
+							 unsigned int num, bool read) {
+	int prefix_len = strlen(prefix);
+	int width_len = 1 + (int)log10(width);
+	int crack_len;
+	if (crack != 0) {
+		crack_len = 1 + (int)log10(crack);
+	} else {
+		crack_len = 1;
+	}
+	int beta_len;
+	if (beta > 1) {
+		beta_len = 1 + (int)log10(beta) + 3;
+	} else {
+		beta_len = 4;
+	}
+	int iter_len = 1 + (int)log10(num_iter);
+	int num_len = 1 + (int)log10(num);
+	int num_underscores = 5;
+
+	int len = prefix_len + width_len + crack_len + beta_len + iter_len + num_len +
+						num_underscores + 4;
+
+	char filename[len + 1];
+	snprintf(filename, sizeof(filename), "%s_%u_%u_%.2f_%0*u_%u.txt", prefix,
+					 width, crack, beta, iter_len, iter + 1, num);
+
+	char *mode = "w";
+	if (read) {
+		mode = "r";
+	}
+	FILE *file = fopen(filename, mode);
+	return file;
+}