Please keep the general coding style of Geeqie:

Space after if, while and for:

while (...)
for (...)
if (...)

Indentation of {}:

while (...)
	{
	...
	}

if (...)
	{
	...
	}
else
	{
	...
	}

Spaces around operators:

i = 2;

Space after comma:
func(a, b, c);

Use glib functions when possible (ie. g_ascii_isspace() instead of isspace()).
Please use glib types when possible (ie. gint and gchar instead of int and char)
.

Check twice the indentation and spurious whitespaces.