1 files changed, 56 insertions, 0 deletions

diff --git a/src/bvrvar.c b/src/bvrvar.c
new file mode 100644
index 0000000..97b54b7
--- /dev/null
+++ b/src/bvrvar.c
@@ -0,0 +1,56 @@
+#pragma once
+#include <bvr.h>
+#include <string.h>
+#include <stdlib.h>
+char * bvr_var_get(char * item) {
+	for(int i = 0; i < sizeof(bvr_variables)/sizeof(bvr_variables[0]); i=i+2) {
+		// printf("%s, %s, %d, %d\n", bvr_variables[i], item, sizeof(bvr_variables)/sizeof(bvr_variables[0]), i);
+		if(strcmp(bvr_variables[i], item) == 0) {
+			return bvr_variables[i+1];
+		}
+  }
+	return BVR_UNDEFINED;
+}
+
+int bvr_var_set(char * item, char * value) {
+	if(bvr_bvrvar_first_time_set == 1) {
+		for(int i = 0; i < (sizeof(bvr_variables)/sizeof(bvr_variables[0])); i=i+2) {
+			// printf("loop here1\n");
+			strlcpy(bvr_variables[i], BVR_UNDEFINED, sizeof(bvr_variables[i]));
+		}
+		bvr_bvrvar_first_time_set = 0;
+	}
+	if(strlen(value) >= BVR_MAX_VARIABLE_SIZE) { // >=, ker je še \0, ki ga strlen ne prišteje!
+		value[BVR_MAX_VARIABLE_SIZE-1] = '\0';
+		fprintf(stderr, "[bvrvar.c] bvr_set: value of variable %s too long, chopped to \"%s\"; increase BVR_MAX_VARIABLE_SIZE (%d). Returning FAILURE and setting anyways.\n",
+			item, value, BVR_MAX_VARIABLE_SIZE);
+	}
+	for(int i = 0; i < (sizeof(bvr_variables)/sizeof(bvr_variables[0])); i=i+2) {
+		// printf("loop here2\n");
+		if(strcmp(bvr_variables[i], item) == 0) {
+			strlcpy(bvr_variables[i+1], value, sizeof(bvr_variables[i+1]));
+			return SUCCESS;
+		}
+  } // could already search for BVR_UNDEFINED here, but idc
+	for(int i = 0; i < (sizeof(bvr_variables)/sizeof(bvr_variables[0])); i=i+2) {
+		// printf("loop here4\n");
+		if(strcmp(bvr_variables[i], BVR_UNDEFINED) == 0) {
+			strlcpy(bvr_variables[i], item, sizeof(bvr_variables[i]));
+			strlcpy(bvr_variables[i+1], value, sizeof(bvr_variables[i+1]));
+			return SUCCESS;
+		}
+  }
+	fprintf(stderr, "[bvrvar.c] bvr_set: no more space on the variable stack for %s. Increase BVR_INITIAL_VARIABLES_COUNT (%d).", item, BVR_INITIAL_VARIABLES_COUNT);
+	return FAILURE;
+}
+
+int bvr_var_mv(char * item, char * newname) {
+	for(int i = 0; i < (sizeof(bvr_variables)/sizeof(bvr_variables[0])); i=i+2) {
+		if(strcmp(bvr_variables[i], item) == 0) {
+			strlcpy(bvr_variables[i], newname, sizeof(bvr_variables[i]));
+			return SUCCESS;
+		}
+	}
+	fprintf(stderr, "[bvrvar.c] bvr_mv: variable %s not found!", item);
+	return FAILURE;
+}