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Check error of dlfunc(3).

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MFC after:	3 days
This commit is contained in:
Hajimu UMEMOTO 2009-10-17 15:53:15 +00:00
parent 39410373b3
commit e95ee133aa
1 changed files with 11 additions and 0 deletions
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11
bin/csh/iconv_stub.c
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@ -61,9 +61,20 @@ dl_iconv_open(const char *tocode, const char *fromcode)
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;
}