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gpio.c: Remove use of sprintf in favour of snprintf

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2016-09-21 14:37:22 +01:00
parent c7ff9a5173
commit b4cf93f1f8
1 changed files with 1 additions and 1 deletions
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2
src/gpio/gpio.c
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@@ -44,7 +44,7 @@ static mraa_result_t
mraa_gpio_get_valfp(mraa_gpio_context dev) mraa_gpio_get_valfp(mraa_gpio_context dev)
{ {
char bu[MAX_SIZE]; char bu[MAX_SIZE];
sprintf(bu, SYSFS_CLASS_GPIO "/gpio%d/value", dev->pin); snprintf(bu, MAX_SIZE, SYSFS_CLASS_GPIO "/gpio%d/value", dev->pin);
dev->value_fp = open(bu, O_RDWR); dev->value_fp = open(bu, O_RDWR);
if (dev->value_fp == -1) { if (dev->value_fp == -1) {
syslog(LOG_ERR, "gpio%i: Failed to open 'value': %s", dev->pin, strerror(errno)); syslog(LOG_ERR, "gpio%i: Failed to open 'value': %s", dev->pin, strerror(errno));