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nvs: fix fscanf return warning

This commit is contained in:
Tanguy Pruvot 2017-06-15 06:40:04 +02:00
parent 79f8f71fc3
commit 1473a8fd6f

View File

@ -78,9 +78,13 @@ int nvs_query_int(int nvs_id, const char* field, int showerr)
fp = popen(command, "r");
if (fp) {
int intval = -1;
if (!showerr)
fscanf(fp, "%d", &intval);
else {
if (!showerr) {
int b = fscanf(fp, "%d", &intval);
if (!b) {
pclose(fp);
return -1;
}
} else {
char msg[512] = { 0 };
char buf[64] = { 0 };
ssize_t bytes, len=0, maxlen=sizeof(msg)-1;