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authorMark H Weaver <mhw@netris.org>2012-02-08 15:29:10 -0500
committerMark H Weaver <mhw@netris.org>2012-02-08 15:29:10 -0500
commitd5b75b6c803e746e6ec019951716bf4ff2ebc84b (patch)
treebcc6be2e23a64d24c737c498ee41647977f6babe /module/rnrs/files.scm
parentd6cb0203cb58ea352b4e9de5eea4325e379c175c (diff)
downloadguile-d5b75b6c803e746e6ec019951716bf4ff2ebc84b.tar.gz
Optimize empty substring case of scm_i_substring_copy
* libguile/strings.c (scm_i_substring_copy): When asked to create an empty substring, use 'scm_i_make_string' to make use of its optimization for empty strings that reuses the global null_stringbuf.
Diffstat (limited to 'module/rnrs/files.scm')
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