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tools: iio: privatize globals and functions in iio_generic_buffer.c file

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Mostly a tidy-up.
But also helps to understand the limits of scope of these functions and
globals.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210215104043.91251-24-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Alexandru Ardelean 2021-02-15 12:40:42 +02:00 committed by Jonathan Cameron
parent a605c8f4e7
commit ebe5112535
1 changed files with 15 additions and 16 deletions
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31
tools/iio/iio_generic_buffer.c
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@ -49,7 +49,7 @@ enum autochan {
* Has the side effect of filling the channels[i].location values used
* in processing the buffer output.
**/
int size_from_channelarray(struct iio_channel_info *channels, int num_channels)
static int size_from_channelarray(struct iio_channel_info *channels, int num_channels)
{
int bytes = 0;
int i = 0;
@ -68,7 +68,7 @@ int size_from_channelarray(struct iio_channel_info *channels, int num_channels)
return bytes;
}
void print1byte(uint8_t input, struct iio_channel_info *info)
static void print1byte(uint8_t input, struct iio_channel_info *info)
{
/*
* Shift before conversion to avoid sign extension
@ -85,7 +85,7 @@ void print1byte(uint8_t input, struct iio_channel_info *info)
}
}
void print2byte(uint16_t input, struct iio_channel_info *info)
static void print2byte(uint16_t input, struct iio_channel_info *info)
{
/* First swap if incorrect endian */
if (info->be)
@ -108,7 +108,7 @@ void print2byte(uint16_t input, struct iio_channel_info *info)
}
}
void print4byte(uint32_t input, struct iio_channel_info *info)
static void print4byte(uint32_t input, struct iio_channel_info *info)
{
/* First swap if incorrect endian */
if (info->be)
@ -131,7 +131,7 @@ void print4byte(uint32_t input, struct iio_channel_info *info)
}
}
void print8byte(uint64_t input, struct iio_channel_info *info)
static void print8byte(uint64_t input, struct iio_channel_info *info)
{
/* First swap if incorrect endian */
if (info->be)
@ -167,9 +167,8 @@ void print8byte(uint64_t input, struct iio_channel_info *info)
* to fill the location offsets.
* @num_channels: number of channels
**/
void process_scan(char *data,
struct iio_channel_info *channels,
int num_channels)
static void process_scan(char *data, struct iio_channel_info *channels,
int num_channels)
{
int k;
@ -238,7 +237,7 @@ static int enable_disable_all_channels(char *dev_dir_name, int enable)
return 0;
}
void print_usage(void)
static void print_usage(void)
{
fprintf(stderr, "Usage: generic_buffer [options]...\n"
"Capture, convert and output data from IIO device buffer\n"
@ -257,12 +256,12 @@ void print_usage(void)
" -w <n> Set delay between reads in us (event-less mode)\n");
}
enum autochan autochannels = AUTOCHANNELS_DISABLED;
char *dev_dir_name = NULL;
char *buf_dir_name = NULL;
bool current_trigger_set = false;
static enum autochan autochannels = AUTOCHANNELS_DISABLED;
static char *dev_dir_name = NULL;
static char *buf_dir_name = NULL;
static bool current_trigger_set = false;
void cleanup(void)
static void cleanup(void)
{
int ret;
@ -294,14 +293,14 @@ void cleanup(void)
}
}
void sig_handler(int signum)
static void sig_handler(int signum)
{
fprintf(stderr, "Caught signal %d\n", signum);
cleanup();
exit(-signum);
}
void register_cleanup(void)
static void register_cleanup(void)
{
struct sigaction sa = { .sa_handler = sig_handler };
const int signums[] = { SIGINT, SIGTERM, SIGABRT };