really long lines

util/afgets.c

@@ -0,0 +1,24 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "../text.h"
+#include "../util.h"
+
+char *
+afgets(char **p, size_t *size, FILE *fp)
+{
+	char buf[BUFSIZ];
+	size_t n, len = 0;
+
+	while(fgets(buf, sizeof buf, fp)) {
+		len += (n = strlen(buf));
+		if(len+1 > *size && !(*p = realloc(*p, len+1)))
+			eprintf("realloc:");
+		strcpy(&(*p)[len-n], buf);
+
+		if(buf[n-1] == '\n' || feof(fp))
+			break;
+	}
+	return *p;
+}