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AZTEC: fix not allowing for lowercase AIM id (FNC1 2nd position)

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gitlost
2026-05-19 18:56:45 +01:00
parent bdb194b76a
commit 0b05c7a8c5
2 changed files with 545 additions and 46 deletions
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backend/aztec.c
+7 -3
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@@ -1166,7 +1166,7 @@ static int az_text_process(unsigned char *source, const int length, int bp, char
char current_mode = p_current_mode ? *p_current_mode : AZ_U;
const char initial_mode = current_mode;
const int initial_bp = bp;
const int all_byte_only_or_uld = az_all_byte_only_or_uld(source, length); /* -1 if not */
const int all_byte_only_or_uld = length > 1 ? az_all_byte_only_or_uld(source, length) : -1; /* -1 if not */
const int debug_print = debug & ZINT_DEBUG_PRINT;
#ifdef ZINT_TEST
const int debug_skip_all = debug & 2048; /* ZINT_DEBUG_TEST_AZTEC_SKIP_ALL - skip using `all_byte_only_or_uld` */
@@ -1351,7 +1351,11 @@ static int az_text_process_segs(struct zint_symbol *symbol, struct zint_seg segs
const int length = segs[0].length;
if (position_fnc1) {
if (position_fnc1 == 4) {
bp = z_bin_append_posn(AztecChar[AZ_U][source[0]], 5, binary_string, bp);
if (z_islower(source[0])) {
current_mode = AZ_L;
bp = z_bin_append_posn(28, 5, binary_string, bp); /* L/L */
}
bp = z_bin_append_posn(AztecChar[(int) current_mode][source[0]], 5, binary_string, bp);
} else if (position_fnc1 == 5) {
current_mode = AZ_D;
bp = z_bin_append_posn(30, 5, binary_string, bp); /* D/L */
@@ -1361,7 +1365,7 @@ static int az_text_process_segs(struct zint_symbol *symbol, struct zint_seg segs
have_extra_escapes = 1;
}
if (gs1 || (position_fnc1 <= 4 && length > position_fnc1 && z_isdigit(source[position_fnc1]))) {
assert(current_mode == AZ_U);
assert(current_mode == AZ_U || current_mode == AZ_L);
/* Latch to D/L to save a bit */
current_mode = AZ_D;
bp = z_bin_append_posn(30, 5, binary_string, bp); /* D/L */