Author: ume
Date: Sat Oct 17 15:53:15 2009
New Revision: 198189
URL: http://svn.freebsd.org/changeset/base/198189
Log:
Check error of dlfunc(3).
MFC after: 3 days
Modified:
head/bin/csh/iconv_stub.c
Modified: head/bin/csh/iconv_stub.c
==============================================================================
--- head/bin/csh/iconv_stub.c Sat Oct 17 13:42:23 2009 (r198188)
+++ head/bin/csh/iconv_stub.c Sat Oct 17 15:53:15 2009 (r198189)
@@ -61,9 +61,20 @@ dl_iconv_open(const char *tocode, const
if (iconvlib == NULL)
return (iconv_t)-1;
iconv_open = (iconv_open_t *)dlfunc(iconvlib, ICONV_OPEN);
+ if (iconv_open == NULL)
+ goto dlfunc_err;
dl_iconv = (dl_iconv_t *)dlfunc(iconvlib, ICONV_ENGINE);
+ if (dl_iconv == NULL)
+ goto dlfunc_err;
dl_iconv_close = (dl_iconv_close_t *)dlfunc(iconvlib,
ICONV_CLOSE);
+ if (dl_iconv_close == NULL)
+ goto dlfunc_err;
}
return iconv_open(tocode, fromcode);
+
+dlfunc_err:
+ dlclose(iconvlib);
+ iconvlib = NULL;
+ return (iconv_t)-1;
}
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