getline written to comply to c99

1 files changed, 19 insertions, 3 deletions

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);