[Guile-commits] GNU Guile branch, master, updated. release_1-9-6-43-gb349875

[Michael Gran]

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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=b349875146af814dbeac07e96b043a3a3996b7cd

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- Log -----------------------------------------------------------------
commit b349875146af814dbeac07e96b043a3a3996b7cd
Author: Michael Gran <address@hidden>
Date:   Sun Dec 27 18:44:29 2009 -0800

    Incorrect indexing into character name list
    
    When converting a character into a character name, an incorrect
    character name could theoretically have been returned.
    
    * libguile/chars.c (scm_i_charname): used wrong index into
      scm_alt_charnames

-----------------------------------------------------------------------

Summary of changes:
 libguile/chars.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/libguile/chars.c b/libguile/chars.c
index 16a2b90..49c1ea3 100644
--- a/libguile/chars.c
+++ b/libguile/chars.c
@@ -577,9 +577,11 @@ scm_i_charname (SCM chr)
     if (scm_C0_control_charnums[c] == i)
       return scm_C0_control_charnames[c];
 
+  /* Since the characters in scm_alt_charnums is a subset of
+     scm_C0_control_charnums, this code is never reached.  */
   for (c = 0; c < SCM_N_ALT_CHARNAMES; c++)
     if (scm_alt_charnums[c] == i)
-      return scm_alt_charnames[i];
+      return scm_alt_charnames[c];
 
   return NULL;
 }


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