From: Cian Bagshaw <cian@cianb.xyz>
Date: Sun, 7 May 2023 08:15:11 +0000 (+0100)
Subject: 1-16
X-Git-Url: https://tests.cianb.xyz/?a=commitdiff_plain;p=cProgLang

1-16
---

diff --git a/1/16.c b/1/16.c
new file mode 100644
index 0000000..f276e88
--- /dev/null
+++ b/1/16.c
@@ -0,0 +1,43 @@
+/*
+	Exercise 1-16. Revise the main routine of the longest-line program so it will
+	correctly print the length of arbitrarily long input lines, and as much as
+	possible of the text.
+	===
+*/
+
+#include <stdio.h>
+
+#define MAX 1000	/* max line length */
+
+/* read line into string, l, of length size, s, return length */
+int readline(char l[], int s) {
+	int c, i;
+	for (i=0; i<s-1 && (c=getchar())!=EOF && c!='\n'; i++)
+		l[i]=c;	
+	if (c=='\n') l[i++]=c;
+	l[i]='\0';
+	return i;
+}
+
+/* copy string1, s1, to string2, s2 */
+void copy (char s1[], char s2[]) {
+	int i=0;
+	while ((s2[i]=s1[i])!='\0') i++;
+}
+
+int main () {
+	int l, m, c;				/* length, max, character */
+	char line[MAX], lngst[MAX];	/* line, longest */
+
+	m=0;
+	while (l=readline(line, MAX)) {		/* for each line */
+		if (line[l-1]!='\n')			/* if line exceeds buffer */
+			while ((c=getchar())!=EOF && c!='\n')
+				l++;					/* count remaining characters */
+		if (l>m) {						/* if longest */
+			m=l; copy(line, lngst);		/* record it */
+		}
+	}
+	if (m)							/* if lines were processed, print longest */
+		printf("%d: %s\n", m-1, lngst);	
+}