[PATCH] libyasm can't compile in the Debug Configuration by Visual Studio

[Masaru Tsuchiyama]

Hi.

I'll send a patch for the bug that libyasm can't compile in 
the Debug Configuration by Visual Studio.

In the Release Configuration, FILTERMODE is defined.But
in the Debug Configuration, FILTERMODE is not defined.
run.bat is designed for FILTERMODE-defined genmodule.c.

yasm/libyasm/genmodule.c has the following code.
    } else if (strncmp(str, "EXTERN_LIST", 11) == 0) {
        for (i=0; i<num_modules; i++) {
            strcpy(str, modules[i]);
            strp = str;
            while (*strp != '\0' && *strp != '_') {
                len++;
                strp++;
            }
            *strp++ = '\0';

            fprintf(out, "extern yasm_%s_module yasm_%s_LTX_%s;\n",
                str, strp, str);
        }
    }

'len' is used before initialized.
following message is appeared when genmodule is compiled by VisualStudio

Run-Time Check Failure #3 - The variable 'len' is being used without
being defined.

Masaru

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