Add final state from 2018-10-07

1 files changed, 89 insertions, 0 deletions

diff --git a/links-outgoing-to-incoming.c b/links-outgoing-to-incoming.c
new file mode 100644
index 0000000..8a23ca7
--- /dev/null
+++ b/links-outgoing-to-incoming.c
@@ -0,0 +1,89 @@
+#include <assert.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+
+int main()
+{
+	FILE *in_file;
+	FILE *out_file;
+
+	size_t titles;
+
+	size_t **linko;
+	size_t *linkos;
+
+	size_t **linki;
+	size_t *linkis;
+
+	size_t link_titles_done = 0;
+
+	size_t i;
+
+
+	/*
+	 * Read all outgoing links into memory
+	 */
+
+	in_file = fopen("links-outgoing.bin", "rb");
+
+	fread(&titles, sizeof(titles), 1, in_file);
+
+	linko = malloc(titles * sizeof(size_t*));
+	linkos = malloc(titles * sizeof(size_t));
+
+	for (i = 0; i < titles; i++) {
+		size_t j;
+
+		fread(&linkos[i], sizeof(linkos[i]), 1, in_file);
+
+		linko[i] = malloc(linkos[i] * sizeof(linko[i][0]));
+
+		for (j = 0; j < linkos[i]; j++) {
+			fread(&linko[i][j], sizeof(linko[i][j]), 1, in_file);
+		}
+	}
+	fclose(in_file);
+
+	printf("Outgoing links read.\n");
+
+
+
+	linki = malloc(titles * sizeof(size_t*));
+	linkis = malloc(titles * sizeof(size_t));
+
+	for (i = 0; i < titles; i++) {
+		size_t j;
+
+		for (j = 0; j < linkos[i]; j++) {
+			size_t x = linko[i][j];
+
+			linkis[x]++;
+			linki[x] = realloc(linki[x], linkis[x] * sizeof(linki[x][0]));
+
+			linki[x][linkis[x] - 1] = i;
+		}
+	}
+
+	printf("Links turned upside down.\n");
+
+
+
+	out_file = fopen("links-incoming.bin", "wb");
+	fwrite(&titles, sizeof(titles), 1, out_file);
+	for (i = 0; i < titles; i++) {
+		size_t j;
+
+		fwrite(&linkis[i], sizeof(linkis[i]), 1, out_file);
+
+		for (j = 0; j < linkis[i]; j++) {
+			fwrite(&linki[i][j], sizeof(linki[i][j]), 1, out_file);
+		}
+	}
+	fclose(out_file);
+
+	printf("Incoming links written.\n");
+}