From cb9185b1948110dcf4c6483db44163fbc5ea942f Mon Sep 17 00:00:00 2001
From: Holden Rohrer <hr@hrhr.dev>
Date: Wed, 27 May 2020 21:52:19 -0400
Subject: getline written to comply to c99

---
 Makefile |  2 +-
 read.c   | 22 +++++++++++++++++++---
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index d3b1b6e..ee441d7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .POSIX:
 OBJS = strbst.o ll.o nodelink.o read.o main.o
 CFLAGS = -Wall -pedantic
-CC = gcc
+CC = c99
 tmplt: $(OBJS)
 	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) -o $@
 clean:
diff --git a/read.c b/read.c
index d64d1b5..069c819 100644
--- a/read.c
+++ b/read.c
@@ -31,10 +31,26 @@ char* empty(void) {
     return str;
 }
 
+char* getline(size_t* n, FILE* file) {
+    size_t sz = 100;
+    *n = 0;
+    int c;
+    char* out = malloc(sizeof(char)*100);
+    while ( (c = fgetc(file)) != EOF ) {
+        if (*n == sz) out = realloc(out, sizeof(char) * (sz *= 2));
+        out[*n] = c;
+        (*n)++;
+        if (c == '\n') break;
+    }
+    out[(*n)] = 0;
+    //(*n)++;
+    return realloc(out, sizeof(char) * (*n+1) );
+}
+
 char* line(FILE* file) { // gets a line from file
-    char* link = NULL;
-    size_t n = 0;
-    getline(&link, &n, file); // getline stores a line of size n in link
+    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 ""
         free(link);
-- 
cgit