From 6efdaa8ac39129bfd31ec14cae1075075688ab95 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <hr@hrhr.dev>
Date: Sun, 14 Jun 2020 12:30:18 -0400
Subject: switched nl handling to optional (=1 or 0)

---
 nodelink.c |  2 +-
 read.c     | 30 +++++++++++++++---------------
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/nodelink.c b/nodelink.c
index 8c98690..b8dbb91 100644
--- a/nodelink.c
+++ b/nodelink.c
@@ -20,7 +20,7 @@ link* newlink(node* to) {
 
 static void printlink(char* name, link* conn) {
     if (conn->desc[0])
-        printf("%s: %s\n", name, conn->desc);
+        printf("%s: %s", name, conn->desc);
     else
         printf("%s\n", name);
 }
diff --git a/read.c b/read.c
index b9e26aa..5d7602d 100644
--- a/read.c
+++ b/read.c
@@ -15,13 +15,12 @@ static void consumespaces(FILE* file) {
     ungetc(c, file);
 }
 
-static void wsclean(char* txt, size_t sz){ // "string\n  \n" -> "string"
-    size_t i;
-    for (i = sz; i > 0; i--) { // start at end [i-1] and dec
-        // break on non-nl, non-space char
-        if (txt[i-1] != ' ' && txt[i-1] != '\n') break;
+static void wsclean(char* txt, size_t* sz){
+    // "string\n  \n" -> "string\n" (must always end with \n)
+    for (; *sz > 0; (*sz)--) { // start at end [i-1] and dec
+        if (txt[*sz-1] != ' ' && txt[*sz-1] != '\n') break;
     }
-    txt[i] = 0; // finish string
+    txt[*sz] = '\n'; txt[*sz+1] = 0;// finish string
 }
 
 static char* empty(void) {
@@ -47,16 +46,16 @@ static char* getline(size_t* n, FILE* file) {
     return realloc(out, sizeof(char) * (*n+1) );
 }
 
-static char* line(FILE* file) { // gets a line from file
+static char* line(FILE* file, bool nl) { // gets a line from file
     size_t n;
     char* link = getline(&n, file);
-        // getline stores a line of size n in link
-    wsclean(link, n); // removes trailing whitespace
-    if (*link == '\n') { // empty line treated as ""
+        // getline stores a line of len n (size n+1) in link
+    wsclean(link, &n); // removes trailing whitespace
+    if (n == 1) { // "\n" => ""
         free(link);
-        char* out = empty(); // DEBGUGU
-        return out;
+        return empty();
     } else { // else return obtained
+        if (!nl) link[n] = 0; //truncate the newline
         return link;
     }
 }
@@ -113,12 +112,13 @@ node* readfile(char* name) {
         }
         switch (c) {
             case ':':
-                curl = insorget(root->links, line(read));
+                curl = insorget(root->links, line(read, false));
                 cur = curl->to;
                 break;
 
             case '-': ;
-                char* lname = line(read);
+                char* lname = line(read, false);
+                printf("%s.\n",lname);
                 node* at = insorget(root->links, lname)->to;
                 curl = addbstlink(cur->links, lname, at);
                 break;
@@ -126,7 +126,7 @@ node* readfile(char* name) {
             default:
                 ungetc(c, read);
             case '.':
-                tail = appendll(tail, line(read));
+                tail = appendll(tail, line(read, true));
                 sz += strlen(tail->str);
                 break;
         }
-- 
cgit