From f5c7e492d8d6b7b4fa1298342ea6157bd2ada564 Mon Sep 17 00:00:00 2001
From: Franklin Wei <git@fwei.tk>
Date: Mon, 18 May 2015 19:38:13 -0400
Subject: refactor csv parsing

---
 src/csv.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/csv.c

(limited to 'src/csv.c')

diff --git a/src/csv.c b/src/csv.c
new file mode 100644
index 0000000..907065e
--- /dev/null
+++ b/src/csv.c
@@ -0,0 +1,38 @@
+#include "globals.h"
+
+char *csv_read(char **ptr)
+{
+    if(!ptr)
+        return NULL;
+
+    char *start = *ptr;
+    bool quoted = false;
+
+    while(**ptr)
+    {
+        char c = **ptr;
+
+        if(c == '"')
+        {
+            quoted = !quoted;
+        }
+
+        else if((c == ',' && !quoted)  ||
+                c == '\0'              ||
+                c == '\n')
+        {
+            char *ret = malloc(*ptr - start + 1);
+            ret[*ptr - start] = '\0';
+            memcpy(ret, start, *ptr - start);
+            (*ptr)++;
+
+            return ret;
+        }
+
+        (*ptr)++;
+    }
+
+    /* shouldn't get here */
+    assert(false);
+    return NULL;
+}
-- 
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