renamed folders

source/refsfound.c

@@ -0,0 +1,45 @@
+#include "global.h"
+/* Possibly rename */
+
+struct FILE;
+
+/* Page cursor stack */
+static FILE **hto_page = &refsfound;
+#define PCS_MAXPAGE 16
+static size_t PCS_pos[PCS_MAXPAGE] = {0};
+static size_t PCS_top			   = 0;
+
+long seekpage(const size_t i) {
+	if(i > PCS_MAXPAGE - 1) { return -1; }
+
+	if(i < PCS_top) {
+		fseek(*hto_page, PCS_pos[i], SEEK_SET);
+		return PCS_pos[i];
+	}
+
+	fseek(*hto_page, PCS_pos[PCS_top], SEEK_SET);
+
+	size_t lc = 0;
+	while(PCS_top < i) {
+		const char c = getc(*hto_page);
+		if(c == '\n') { ++lc; }
+		if(c == EOF) { return -1; }
+		if(lc == mdisprefs) { PCS_pos[++PCS_top] = ftell(*hto_page); }
+	}
+	return PCS_pos[PCS_top];
+}
+
+long seekrelline(unsigned i) {
+	seekpage(current_page);
+	size_t lc = 0;
+	while(lc < i) {
+		const char c = getc(*hto_page);
+		assert("seekrelline() tried to read past the reference file" && !(c == EOF));
+		if(c == '\n') { ++lc; }
+	}
+	return ftell(*hto_page);
+}
+
+void PCS_reset(void) {
+	PCS_top = 0;
+}