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Fix bug in disk_usage.c #3

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Fix bug in disk_usage.c #3

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5 changes: 3 additions & 2 deletions server/data_providers/disk_usage.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,14 @@

static VALUE get_disk_usage(VALUE self, VALUE mount_point)
{
char* mount_point_str = RSTRING(mount_point)->ptr;
struct statvfs result;
char* mount_point_str = RSTRING_PTR(mount_point);

VALUE out_hash = rb_hash_new();
rb_hash_aset(out_hash, rb_str_new2("free"), Qnil);
rb_hash_aset(out_hash, rb_str_new2("total"), Qnil);

struct statvfs result;
//struct statvfs result; <-- ISO C90 forbids mixed declarations and code

if(statvfs(mount_point_str, &result) == 0)
{
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