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iio.c: Use MAX_SIZE var upgrading strings to 128 from 64

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Fix inspired by Lay's PR #342 but doesn't use magic numbers

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2015-10-28 11:02:45 +00:00
parent 657f28a67d
commit 069985641e
1 changed files with 8 additions and 8 deletions
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16
src/iio/iio.c
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@@ -205,11 +205,11 @@ mraa_iio_get_device_num_by_name(const char* name)
mraa_result_t
mraa_iio_read(mraa_iio_context dev, const char* attr_chan, float* data)
{
char buf[64];
snprintf(buf, 64, IIO_SYSFS_DEVICE "%d/%s", dev->num, attr_chan);
char buf[MAX_SIZE];
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/%s", dev->num, attr_chan);
int fd = open(buf, O_RDONLY);
if (fd != -1) {
int len = read(fd, &buf, 64);
int len = read(fd, &buf, MAX_SIZE);
*data = strtol(buf, NULL, 10);
return MRAA_SUCCESS;
}
@@ -356,11 +356,11 @@ mraa_iio_get_event_data(mraa_iio_context dev)
mraa_result_t
mraa_iio_event_read(mraa_iio_context dev, const char* attribute, float* data)
{
char buf[64];
snprintf(buf, 64, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS "/%s", dev->num, attribute);
char buf[MAX_SIZE];
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS "/%s", dev->num, attribute);
int fd = open(buf, O_RDONLY);
if (fd != -1) {
int len = read(fd, &buf, 64);
int len = read(fd, &buf, MAX_SIZE);
*data = strtol(buf, NULL, 10);
return MRAA_SUCCESS;
}
@@ -371,8 +371,8 @@ mraa_result_t
mraa_iio_event_write(mraa_iio_context dev, const char* attribute, const char* data)
{
int len;
char buf[128];
snprintf(buf, 128, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS "/%s", dev->num, attribute);
char buf[MAX_SIZE];
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS "/%s", dev->num, attribute);
int fd = open(buf, O_WRONLY);
if (fd != -1) {
int len = write(fd, data, ( strlen(data) +1 ));