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mraa.c: Add _contains helper functions

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Signed-off-by: Michael Ring <mail@michael-ring.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Michael Ring
2015-04-04 18:52:35 +01:00
committed by Brendan Le Foll
parent 68e216ec3f
commit bff7b558eb
2 changed files with 78 additions and 7 deletions
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66
src/mraa.c
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@@ -311,6 +311,17 @@ mraa_get_pin_count()
return plat->phy_pin_count;
}
char*
mraa_get_pin_name(int pin)
{
if (plat == NULL) {
return NULL;
}
if (pin > (plat->phy_pin_count - 1) || pin < 0)
return NULL;
return (char*) plat->pins[pin].name;
}
mraa_boolean_t
mraa_file_exist(const char* filename)
{
@@ -322,15 +333,56 @@ mraa_file_exist(const char* filename)
return file_found;
}
char*
mraa_get_pin_name(int pin)
mraa_boolean_t
mraa_file_contains(const char* filename, const char* content)
{
if (plat == NULL) {
return NULL;
mraa_boolean_t found = 0;
if ((filename == NULL) || (content == NULL)) {
return 0;
}
if (pin > (plat->phy_pin_count - 1) || pin < 0)
return NULL;
return (char*) plat->pins[pin].name;
char* file = mraa_file_unglob(filename);
if (file != NULL) {
size_t len = 1024;
char* line = malloc(len);
FILE* fh = fopen(file, "r");
while ((getline(&line, &len, fh) != -1) && (found == 0)) {
if (strstr(line, content)) {
found = 1;
break;
}
}
fclose(fh);
free(file);
free(line);
}
return found;
}
mraa_boolean_t
mraa_file_contains_both(const char* filename, const char* content, const char* content2)
{
mraa_boolean_t found = 0;
if ((filename == NULL) || (content == NULL)) {
return 0;
}
char* file = mraa_file_unglob(filename);
if (file != NULL) {
size_t len = 1024;
char* line = malloc(len);
FILE* fh = fopen(file, "r");
while ((getline(&line, &len, fh) != -1) && (found == 0)) {
if (strstr(line, content) && strstr(line, content2)) {
found = 1;
break;
}
}
fclose(fh);
free(file);
free(line);
}
return found;
}
char*