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added code to handle an empty regular expression in sed

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hyung-hwan
2011-09-07 08:18:36 +00:00
parent 2f15ca2335
commit 0f85644269
10 changed files with 148 additions and 64 deletions
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14
qse/cmd/sed/sed.c
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@ -246,6 +246,7 @@ qse_char_t* load_script_file (const qse_char_t* file)
if (qse_str_init (&script, QSE_MMGR_GETDFL(), 1024) <= -1)
{
qse_fclose (fp);
qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot load %s\n"), file);
return QSE_NULL;
}
@ -258,6 +259,13 @@ qse_char_t* load_script_file (const qse_char_t* file)
return QSE_NULL;
}
}
if (qse_ferror(fp))
{
qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot read %s\n"), file);
qse_str_fini (&script);
qse_fclose (fp);
return QSE_NULL;
}
qse_str_yield (&script, &xstr, 0);
qse_str_fini (&script);
@ -303,11 +311,7 @@ int sed_main (int argc, qse_char_t* argv[])
QSE_ASSERT (g_script == QSE_NULL);
g_script = load_script_file (g_script_file);
if (g_script == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot load %s\n"), g_script_file);
goto oops;
}
if (g_script == QSE_NULL) goto oops;
}
if (qse_sed_comp (sed, g_script, qse_strlen(g_script)) == -1)