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testing/fstest: Add hash checking of file's name to avoid creating same-name file

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This commit is contained in:
Dong Heng 2021-03-29 11:58:36 +08:00 committed by Xiang Xiao
parent 6ae35ffc71
commit d3c7508372
1 changed files with 37 additions and 5 deletions
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42
testing/fstest/fstest_main.c
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@ -91,6 +91,7 @@ struct fstest_filedesc_s
bool failed;
size_t len;
uint32_t crc;
uint32_t hash;
};
/****************************************************************************
@ -188,6 +189,29 @@ static inline char fstest_randchar(void)
}
}
/****************************************************************************
* Name: fstest_checkexit
****************************************************************************/
static bool fstest_checkexit(FAR struct fstest_filedesc_s *file)
{
int i;
bool ret = false;
for (i = 0; i < CONFIG_TESTING_FSTEST_MAXOPEN; i++)
{
if (!g_files[i].deleted &&
&g_files[i] != file &&
g_files[i].hash == file->hash)
{
ret = true;
break;
}
}
return ret;
}
/****************************************************************************
* Name: fstest_randname
****************************************************************************/
@ -217,12 +241,19 @@ static inline void fstest_randname(FAR struct fstest_filedesc_s *file)
}
memcpy(file->name, g_mountdir, dirlen);
for (i = dirlen; i < alloclen; i++)
{
file->name[i] = fstest_randchar();
}
file->name[alloclen] = '\0';
do
{
for (i = dirlen; i < alloclen; i++)
{
file->name[i] = fstest_randchar();
}
file->name[alloclen] = '\0';
file->hash = crc32((const uint8_t *)file->name + dirlen,
alloclen - dirlen);
}
while (fstest_checkexit(file));
}
/****************************************************************************
@ -251,6 +282,7 @@ static void fstest_freefile(FAR struct fstest_filedesc_s *file)
if (file->name)
{
free(file->name);
file->name = NULL;
}
memset(file, 0, sizeof(struct fstest_filedesc_s));