From: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date: Sat, 1 Feb 2014 10:12:47 +0000 (+0100)
Subject: Add xstrdup function
X-Git-Url: https://git.xinqibao.xyz/st.git/commitdiff_plain/cdb3b1892af40110660da8c3f6fc06b1b054fd12?hp=cdb3b1892af40110660da8c3f6fc06b1b054fd12

Add xstrdup function

Since we are using xmalloc, xrealloc ..., then it is not logical
call directly to strdup.

Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>
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