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general: suppress some CodeQL warnings

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CODABLOCKF: tidy some comments
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gitlost 2025-02-23 19:48:55 +00:00
parent 174bbf06a8
commit c11ab5528d
6 changed files with 16 additions and 17 deletions
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20
backend/codablock.c
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@ -69,7 +69,7 @@ typedef struct sCharacterSetTable {
} CharacterSetTable;
/* Find the possible Code-128 Character sets for a character
* The result is an or of CodeA, CodeB, CodeC, CodeFNC1, CodeFNC4 depending on the
* The result is an OR of CodeA, CodeB, CodeC, CodeFNC1, CodeFNC4 depending on the
* possible Code 128 character sets.
*/
static int GetPossibleCharacterSet(unsigned char C) {
@ -87,13 +87,11 @@ static int GetPossibleCharacterSet(unsigned char C) {
}
/* Create a Table with the following information for each Data character:
* int CharacterSet is an or of CodeA, CodeB, CodeC, CodeFNC1, CodeFNC4,
* depending on which character set is applicable.
* (Result of GetPossibleCharacterSet)
* int AFollowing,BFollowing The number of source characters you still may encode
* in this character set.
* int CFollowing The number of characters encodable in CodeC if we
* start here.
* int CharacterSet is an OR of CodeA, CodeB, CodeC, CodeFNC1, CodeFNC4,
* depending on which character set is applicable.
* (Result of GetPossibleCharacterSet)
* int AFollowing, BFollowing The number of source characters you still may encode in this character set.
* int CFollowing The number of characters encodable in CodeC if we start here.
*/
static void CreateCharacterSetTable(CharacterSetTable T[], unsigned char *data, const int dataLength) {
int charCur;
@ -260,6 +258,7 @@ static int Columns2Rows(struct zint_symbol *symbol, CharacterSetTable *T, const
if (isFNC4) { /* So skip FNC4 and shift value instead */
--emptyColumns;
++charCur;
assert(charCur < dataLength); /* FNC4s always followed by char */
}
pSet[charCur] |= CShift;
} else {
@ -292,6 +291,7 @@ static int Columns2Rows(struct zint_symbol *symbol, CharacterSetTable *T, const
if (isFNC4) { /* So skip FNC4 and shift value instead */
--emptyColumns;
++charCur;
assert(charCur < dataLength); /* FNC4s always followed by char */
}
pSet[charCur] |= CShift;
} else {
@ -684,7 +684,7 @@ INTERNAL int codablockf(struct zint_symbol *symbol, unsigned char source[], int
/* >>> Build C128 code numbers */
/* The C128 column count contains Start (2CW), Row ID, Checksum, Stop */
pOutput = (unsigned char *) z_alloca(columns * rows);
pOutput = (unsigned char *) z_alloca((size_t) columns * (size_t) rows);
pOutPos = pOutput;
charCur = 0;
/* >> Loop over rows */
@ -780,7 +780,7 @@ INTERNAL int codablockf(struct zint_symbol *symbol, unsigned char source[], int
--emptyColumns;
}
/* >> End Criteria */
if ((pSet[charCur] & CFill) || (pSet[charCur] & CEnd)) {
if (charCur < dataLength && ((pSet[charCur] & CFill) || (pSet[charCur] & CEnd))) {
/* Fill line but leave space for checks in last line */
if (rowCur == rows - 1) {
emptyColumns -= 2;