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nvs: fix fscanf return warning

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This commit is contained in:
Tanguy Pruvot 2017-06-15 06:40:04 +02:00
parent 79f8f71fc3
commit 1473a8fd6f
1 changed files with 7 additions and 3 deletions
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10
nvsettings.cpp
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@ -78,9 +78,13 @@ int nvs_query_int(int nvs_id, const char* field, int showerr)
fp = popen(command, "r"); fp = popen(command, "r");
if (fp) { if (fp) {
int intval = -1; int intval = -1;
if (!showerr) if (!showerr) {
fscanf(fp, "%d", &intval); int b = fscanf(fp, "%d", &intval);
else { if (!b) {
pclose(fp);
return -1;
}
} else {
char msg[512] = { 0 }; char msg[512] = { 0 };
char buf[64] = { 0 }; char buf[64] = { 0 };
ssize_t bytes, len=0, maxlen=sizeof(msg)-1; ssize_t bytes, len=0, maxlen=sizeof(msg)-1;