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intel_edison_fab_c.c: use snprintf(), not sprintf(), to avoid overflows

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Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
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Alex Tereschenko
2018-01-28 16:16:36 +01:00
parent fd937e69ef
commit 2c9d9aaf80
1 changed files with 1 additions and 1 deletions
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src/x86/intel_edison_fab_c.c
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@@ -147,7 +147,7 @@ mraa_intel_edison_pinmode_change(int sysfs, int mode)
mraa_result_t ret = MRAA_SUCCESS;
char mode_buf[MAX_MODE_SIZE];
int length = sprintf(mode_buf, "%s%u", useDebugFS ? "mode" : "", mode);
int length = snprintf(mode_buf, MAX_MODE_SIZE, "%s%u", useDebugFS ? "mode" : "", mode);
if (write(modef, mode_buf, length * sizeof(char)) == -1) {
ret = MRAA_ERROR_INVALID_RESOURCE;
}