feature(base): file writing using string struct

not the ideal way i think. i thought handmade hero had a different way
but will take a look at that later

1 files changed, 30 insertions, 0 deletions

diff --git a/source/base/base_os.h b/source/base/base_os.h
index 9397fbb..388f665 100644
--- a/source/base/base_os.h
+++ b/source/base/base_os.h
@@ -34,4 +34,34 @@ load_file(mem_arena *arena, const char *path)
     return result;
 }
 
+internal string8
+write_file(const char *path, string8 data)
+{
+
+    string8 result = {0};
+    s32 file = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+    if(file == -1)
+    {
+        warn("failed to open file for writing. path could be invalid");
+        return (string8){0};
+    }
+    
+    u64 written = 0;
+    while(written < data.size)
+    {
+        s64 err = write(file, data.data + written, data.size - written);
+        if(err == -1)
+        {
+            warn("write syscall failed");
+            close(file);
+            return (string8){0};
+        }
+        written += err;
+    }
+    
+    close(file);
+    result = data;
+    return result;
+}
+
 #endif /* BASE_OS_H */