From 80b1d2e0e7ba2800924f70c45ce567ae8d8a16b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Tue, 10 Nov 2020 23:22:20 +0100
Subject: rewrite in perl

---
 rf.c | 120 -------------------------------------------------------------------
 1 file changed, 120 deletions(-)
 delete mode 100644 rf.c

(limited to 'rf.c')

diff --git a/rf.c b/rf.c
deleted file mode 100644
index 6067373..0000000
--- a/rf.c
+++ /dev/null
@@ -1,120 +0,0 @@
-#include <ctype.h>
-#include <err.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#define DEFMAX 300
-
-struct ref {
-	char *a;
-	char *y;
-	char *t;
-	char *q;
-	char *d;
-	char *c;
-	char *p;
-	char *w;
-};
-
-char format_extra[DEFMAX+1];
-char format_full[DEFMAX+1];
-char format_list[DEFMAX+1];
-int refs_s;
-struct ref *refs;
-
-void record(char *dest) {
-	char c;
-	int i;
-	i = 0;
-	while (read(STDIN_FILENO, &c, 1) != 0 && isspace(c))
-		;
-	while (read(STDIN_FILENO, &c, 1) != 0)
-		dest[i++] = c;
-	dest[i] = '\0';
-}
-
-int main() {
-	char c, *buf, last[4];
-	int i, buf_s, ref_i;
-
-	buf_s = 200;
-	buf = malloc((buf_s+1) * sizeof(char));
-	if (buf == NULL) err(1, "malloc");
-
-#define reset(n) do { \
-	strncpy(last, "    ", 4); \
-	i =- n; \
-	buf[i] = '\0'; \
-} while (0)
-
-	i = 0;
-	ref_i = -1;
-
-next:
-	while (read(STDIN_FILENO, &c, 1) != 0) {
-		if (strncmp(last, "\n.F", 3) != 0)
-			goto ref;
-
-		/* record format def */
-		switch (last[4]) {
-		case 'f':
-			record(format_full);
-			break;
-		case 'x':
-			record(format_extra);
-			break;
-		case 'l':
-			record(format_list);
-			break;
-		default:
-			goto add;
-		}
-		reset(3);
-		goto next;
-
-ref:
-		if (strncmp(last, "\n.R", 3) != 0)
-			goto add;
-
-		/* record reference def */
-		switch(last[4]) {
-		case 'a':
-			reset(3);
-			if (ref_i+1 > refs_s) {
-				refs_s += 10;
-				refs = realloc(refs, refs_s*sizeof(struct ref));
-				if (refs == NULL) err(1, "realloc");
-			}
-			ref_i++;
-			refs[ref_i].a = malloc((DEFMAX+1) * sizeof(char));
-			if (refs[ref_i].a == NULL) err(1, "malloc");
-			record(refs[ref_i].a);
-			break;
-		case 'y':
-			break;
-		default:
-			goto add;
-		}
-		reset(3);
-		goto next;
-
-add:
-		/* add to buffer */
-		if (i+1 > buf_s) {
-			buf_s += 100;
-			buf = realloc(buf, (buf_s+1) * sizeof(char));
-			if (buf == NULL) err(1, "realloc");
-		}
-		buf[i++] = c;
-
-		/* keep track of last 4 characters */
-		if (i <= 4) last[i] = c;
-		else {
-			memmove(last, last+1, 3);
-			last[3] = c;
-		}
-	}
-}
-- 
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