lib/: Use getline(3) instead of its pattern

Signed-off-by: Alejandro Colomar <[email protected]>

lib/commonio.c

@@ -638,28 +638,12 @@ int commonio_open (struct commonio_db *db, int mode)
 		return 0;
 	}
 
-	buflen = BUFLEN;
-	buf = MALLOC(buflen, char);
-	if (NULL == buf)
-		goto cleanup_errno;
-
-	while (fgets(buf, buflen, db->fp) != NULL) {
+	buf = NULL;
+	while (getline(&buf, &buflen, db->fp) != -1) {
 		struct commonio_entry  *p;
 
-		while (   (strrchr (buf, '\n') == NULL)
-		       && (feof (db->fp) == 0)) {
-			size_t len;
-
-			buflen += BUFLEN;
-			buf = REALLOCF(buf, buflen, char);
-			if (NULL == buf)
-				goto cleanup_errno;
-
-			len = strlen (buf);
-			if (fgets(buf + len, buflen - len, db->fp) == NULL)
-				goto cleanup_buf;
-		}
-		stpsep(buf, "\n");
+		if (stpsep(buf, "\n") == NULL)
+			goto cleanup_buf;
 
 		line = strdup (buf);
 		if (NULL == line) {

lib/gshadow.c

@@ -141,39 +141,15 @@ void endsgent (void)
 	static size_t buflen = 0;
 	static char *buf = NULL;
 
-	char *cp;
-
-	if (0 == buflen) {
-		buf = MALLOC(BUFSIZ, char);
-		if (NULL == buf) {
-			return NULL;
-		}
-		buflen = BUFSIZ;
-	}
-
 	if (NULL == fp) {
 		return NULL;
 	}
 
-	if (fgets(buf, buflen, fp) == NULL)
+	if (getline(&buf, &buflen, fp) == -1)
+		return NULL;
+	if (stpsep(buf, "\n") == NULL)
 		return NULL;
 
-	while (   (strrchr(buf, '\n') == NULL)
-	       && (feof (fp) == 0)) {
-		size_t len;
-
-		cp = REALLOC(buf, buflen * 2, char);
-		if (NULL == cp) {
-			return NULL;
-		}
-		buf = cp;
-		buflen *= 2;
-
-		len = strlen (buf);
-		if (fgets(&buf[len], buflen - len, fp) == NULL)
-			return NULL;
-	}
-	stpsep(buf, "\n");
 	return (sgetsgent (buf));
 }