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mraa.c: make mraa_get_platform_name use a const char

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2016-01-20 15:58:28 +00:00
parent bdb5ef66e9
commit 0aed0003ff
4 changed files with 12 additions and 8 deletions
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2
api/mraa/common.h
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@@ -140,7 +140,7 @@ mraa_result_t mraa_set_log_level(int level);
*
* @return platform name
*/
char* mraa_get_platform_name();
const char* mraa_get_platform_name();
/**
* Return the platform's versioning info, the information given depends per

2
examples/blink_onboard.c
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@@ -33,7 +33,7 @@ main(int argc, char** argv)
{
mraa_platform_t platform = mraa_get_platform_type();
mraa_gpio_context gpio, gpio_in = NULL;
char* board_name = mraa_get_platform_name();
const char* board_name = mraa_get_platform_name();
int ledstate = 0;
switch (platform) {

2
examples/hellomraa.c
View File

@@ -31,7 +31,7 @@
int
main(int argc, char** argv)
{
char* board_name = mraa_get_platform_name();
const char* board_name = mraa_get_platform_name();
int i2c_bus, i, i2c_adapter;
fprintf(stdout, "hello mraa\n Version: %s\n Running on %s\n", mraa_get_version(), board_name);

14
src/mraa.c
View File

@@ -50,7 +50,7 @@
mraa_board_t* plat = NULL;
mraa_iio_info_t* plat_iio = NULL;
static char platform_name[MAX_PLATFORM_NAME_LENGTH];
static char* platform_name;
static char* platform_long_name;
static int num_i2c_devices = 0;
@@ -458,17 +458,21 @@ mraa_get_platform_adc_supported_bits(int platform_offset)
}
}
char*
const char*
mraa_get_platform_name()
{
if (plat == NULL) {
return NULL;
}
int length = strlen(plat->platform_name) + 1;
if (mraa_has_sub_platform()) {
snprintf(platform_name, MAX_PLATFORM_NAME_LENGTH, "%s + %s", plat->platform_name, plat->sub_platform->platform_name);
length += strlen(plat->sub_platform->platform_name);
}
platform_name = calloc(length, sizeof(char));
if (mraa_has_sub_platform()) {
snprintf(platform_name, length, "%s + %s", plat->platform_name, plat->sub_platform->platform_name);
} else {
strncpy(platform_name, plat->platform_name, MAX_PLATFORM_NAME_LENGTH-1);
strncpy(platform_name, plat->platform_name, length);
}
return platform_name;