openharmony/third_party_qrcodegen
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Updated C worker program code to properly check return value of scanf() (due to GCC warning).

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This commit is contained in:
Project Nayuki 2017-04-21 05:07:14 +00:00
parent e1f8c2df7a
commit 771bdaf069
1 changed files with 6 additions and 3 deletions
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9
c/qrcodegen-worker.c
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@ -40,7 +40,8 @@ int main(void) {
// Read data length or exit
int length;
scanf("%d", &length);
if (scanf("%d", &length) != 1)
return EXIT_FAILURE;
if (length == -1)
break;
@ -53,14 +54,16 @@ int main(void) {
}
for (int i = 0; i < length; i++) {
int b;
scanf("%d", &b);
if (scanf("%d", &b) != 1)
return EXIT_FAILURE;
data[i] = (uint8_t)b;
isAscii &= 0 < b && b < 128;
}
// Read encoding parameters
int errCorLvl, minVersion, maxVersion, mask, boostEcl;
scanf("%d %d %d %d %d", &errCorLvl, &minVersion, &maxVersion, &mask, &boostEcl);
if (scanf("%d %d %d %d %d", &errCorLvl, &minVersion, &maxVersion, &mask, &boostEcl) != 5)
return EXIT_FAILURE;
// Allocate memory for QR Code
int bufferLen = qrcodegen_BUFFER_LEN_FOR_VERSION(maxVersion);