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QR-Code-generator
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Added some argument null checks to C code.

This commit is contained in:
Project Nayuki 2017-09-09 03:28:56 +00:00
parent fb544495e7
commit ad46d5e434
1 changed files with 3 additions and 0 deletions
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3
c/qrcodegen.c
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@ -936,6 +936,7 @@ overflow:
struct qrcodegen_Segment qrcodegen_makeBytes(const uint8_t data[], size_t len, uint8_t buf[]) {
assert(data != NULL || len == 0);
struct qrcodegen_Segment result;
result.mode = qrcodegen_Mode_BYTE;
result.bitLength = calcSegmentBitLength(result.mode, len);
@ -949,6 +950,7 @@ struct qrcodegen_Segment qrcodegen_makeBytes(const uint8_t data[], size_t len, u
struct qrcodegen_Segment qrcodegen_makeNumeric(const char *digits, uint8_t buf[]) {
assert(digits != NULL);
struct qrcodegen_Segment result;
size_t len = strlen(digits);
result.mode = qrcodegen_Mode_NUMERIC;
@ -981,6 +983,7 @@ struct qrcodegen_Segment qrcodegen_makeNumeric(const char *digits, uint8_t buf[]
struct qrcodegen_Segment qrcodegen_makeAlphanumeric(const char *text, uint8_t buf[]) {
assert(text != NULL);
struct qrcodegen_Segment result;
size_t len = strlen(text);
result.mode = qrcodegen_Mode_ALPHANUMERIC;