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general: add -Wshorten-64-to-32 compiler flag & suppress warnings

Browse Source 
(ticket #351, props Axel Waggershauser)
This commit is contained in:
gitlost
2026-02-26 18:23:21 +00:00
parent 9ef5bc7298
commit bd33953fc1
24 changed files with 106 additions and 102 deletions
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CMakeLists.txt
+4
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@@ -72,6 +72,10 @@ if(NOT MSVC) # Use default warnings if MSVC otherwise inundated
if(C_COMPILER_FLAG_WSHADOW)
add_compile_options("-Wshadow")
endif()
check_c_compiler_flag("-Wshorten-64-to-32" C_COMPILER_FLAG_WSHORTEN64TO32)
if(C_COMPILER_FLAG_WSHORTEN64TO32)
add_compile_options("-Wshorten-64-to-32")
endif()
check_c_compiler_flag("-Wundef" C_COMPILER_FLAG_WUNDEF)
if(C_COMPILER_FLAG_WUNDEF)
add_compile_options("-Wundef")
backend/2of5.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* 2of5.c - Handles non-interleaved Code 2 of 5 barcodes */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -103,7 +103,7 @@ static int c25_common(struct zint_symbol *symbol, const unsigned char source[],
memcpy(d, start_stop[1], start_length - 1);
d += start_length - 1;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
/* Exclude check digit from HRT if hidden */
z_hrt_cpy_nochk(symbol, local_source, length - (symbol->option_2 == 2));
backend/2of5inter.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* 2of5inter.c - Handles Code 2 of 5 Interleaved */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -96,7 +96,7 @@ INTERNAL int zint_c25_inter_common(struct zint_symbol *symbol, unsigned char sou
memcpy(d, "311", 3);
d += 3;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (!dont_set_height) {
if (symbol->output_options & COMPLIANT_HEIGHT) {
backend/auspost.c
+4 -4
View File
@@ -1,7 +1,7 @@
/* auspost.c - Handles Australia Post 4-State Barcode */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -76,7 +76,7 @@ static unsigned char aus_convert_pattern(const char data, const int shift) {
/* Adds Reed-Solomon error correction to auspost */
static char *aus_rs_error(const char data_pattern[], char *d) {
const int length = d - data_pattern;
const int length = (int) (d - data_pattern);
int reader, triple_writer;
unsigned char triple[31];
unsigned char result[5];
@@ -228,7 +228,7 @@ INTERNAL int zint_auspost(struct zint_symbol *symbol, unsigned char source[], in
}
/* Filler bar */
h = d - data_pattern;
h = (int) (d - data_pattern);
switch (h) {
case 22:
case 37:
@@ -248,7 +248,7 @@ INTERNAL int zint_auspost(struct zint_symbol *symbol, unsigned char source[], in
/* Turn the symbol into a bar pattern ready for plotting */
writer = 0;
h = d - data_pattern;
h = (int) (d - data_pattern);
for (loopey = 0; loopey < h; loopey++) {
if (data_pattern[loopey] == '1' || data_pattern[loopey] == '0') {
z_set_module(symbol, 0, writer);
backend/bc412.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* bc412.c - Handles IBM BC412 (SEMI T1-95) symbology */
/*
libzint - the open source barcode library
Copyright (C) 2022-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2022-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -130,7 +130,7 @@ INTERNAL int zint_bc412(struct zint_symbol *symbol, unsigned char source[], int
memcpy(d, "111", 3);
d += 3;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
/* SEMI T1-95 Table 1 "Module" (Character) Height 2mm ± 0.025mm, using Module Spacing 0.12mm ± 0.025mm as
backend/channel.c
+1 -1
View File
@@ -240,7 +240,7 @@ INTERNAL int zint_channel(struct zint_symbol *symbol, unsigned char source[], in
*d++ = z_itoc(B[i]);
}
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
/* ANSI/AIM BC12-1998 gives min height as 5mm or 15% of length; X left as application specification so use
backend/codabar.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* codabar.c - Handles Codabar */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -115,7 +115,7 @@ INTERNAL int zint_codabar(struct zint_symbol *symbol, unsigned char source[], in
}
}
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
/* BS EN 798:1995 4.4.1 (d) max of 5mm / 0.43mm (X max) ~ 11.628 or 15% of width where (taking N =
backend/codablock.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* codablock.c - Handles Codablock-F */
/*
libzint - the open source barcode library
Copyright (C) 2016-2025 Harald Oehlmann
Copyright (C) 2016-2026 Harald Oehlmann
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -861,7 +861,7 @@ INTERNAL int zint_codablockf(struct zint_symbol *symbol, unsigned char source[],
}
memcpy(d, "2331112", 7); /* Stop character (106, not in `zint_C128Table[]`) */
d += 7;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
}
if (symbol->output_options & COMPLIANT_HEIGHT) {
backend/code.c
+8 -8
View File
@@ -1,7 +1,7 @@
/* code.c - Handles Code 39, 39+, 93 and VIN */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -174,7 +174,7 @@ INTERNAL int zint_code39(struct zint_symbol *symbol, unsigned char source[], int
if (symbol->symbology == BARCODE_LOGMARS || symbol->symbology == BARCODE_HIBC_39) {
/* LOGMARS and HIBC use wider 'wide' bars than normal Code 39 */
counter = d - dest;
counter = (int) (d - dest);
for (i = 0; i < counter; i++) {
if (dest[i] == '2') {
dest[i] = '3';
@@ -186,7 +186,7 @@ INTERNAL int zint_code39(struct zint_symbol *symbol, unsigned char source[], int
printf("Barspaces: %.*s\n", (int) (d - dest), dest);
}
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
if (symbol->symbology == BARCODE_LOGMARS) {
@@ -261,7 +261,7 @@ INTERNAL int zint_excode39(struct zint_symbol *symbol, unsigned char source[], i
memcpy(b, EC39Ctrl[source[i]], 2);
b += EC39Ctrl[source[i]][1] ? 2 : 1;
}
if (b - buffer > 86) {
if ((int) (b - buffer) > 86) {
return z_errtxtf(ZINT_ERROR_TOO_LONG, symbol, 317,
"Input too long, requires %d symbol characters (maximum 86)", (int) (b - buffer));
}
@@ -275,7 +275,7 @@ INTERNAL int zint_excode39(struct zint_symbol *symbol, unsigned char source[], i
}
/* Then send the buffer to the C39 function */
if ((error_number = zint_code39(symbol, buffer, b - buffer)) >= ZINT_ERROR) {
if ((error_number = zint_code39(symbol, buffer, (int) (b - buffer))) >= ZINT_ERROR) {
return error_number;
}
@@ -341,7 +341,7 @@ INTERNAL int zint_code93(struct zint_symbol *symbol, unsigned char source[], int
}
/* Now we can check the true length of the barcode */
h = b - buffer;
h = (int) (b - buffer);
if (h > 123) {
return z_errtxtf(ZINT_ERROR_TOO_LONG, symbol, 332,
"Input too long, requires %d symbol characters (maximum 123)", h);
@@ -394,7 +394,7 @@ INTERNAL int zint_code93(struct zint_symbol *symbol, unsigned char source[], int
memcpy(d, "1111411", 7);
d += 7;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
/* ANSI/AIM BC5-1995 Section 2.6 minimum height 0.2" or 15% of symbol length, whichever is greater
@@ -504,7 +504,7 @@ INTERNAL int zint_vin(struct zint_symbol *symbol, unsigned char source[], int le
memcpy(d, C39Table[43], 9);
d += 9;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
z_hrt_cpy_nochk(symbol, source, length);
backend/code11.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* code11.c - Handles Code 11 */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -142,7 +142,7 @@ INTERNAL int zint_code11(struct zint_symbol *symbol, unsigned char source[], int
memcpy(d, C11Table[11], 5);
d += 5;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
/* TODO: Find documentation on BARCODE_CODE11 dimensions/height */
backend/code128.c
+1 -1
View File
@@ -336,7 +336,7 @@ static void c128_expand(struct zint_symbol *symbol, int values[C128_VALUES_MAX],
}
#endif
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
}
/* Helper to set `priority` array based on flags */
backend/code16k.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* code16k.c - Handles Code 16k stacked symbology */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -560,7 +560,7 @@ INTERNAL int zint_code16k(struct zint_symbol *symbol, unsigned char source[], in
/* Write the information into the symbol */
writer = 0;
flip_flop = 1;
for (mx_reader = 0, len = d - width_pattern; mx_reader < len; mx_reader++) {
for (mx_reader = 0, len = (int) (d - width_pattern); mx_reader < len; mx_reader++) {
for (looper = 0; looper < z_ctoi(width_pattern[mx_reader]); looper++) {
if (flip_flop == 1) {
z_set_module(symbol, current_row, writer);
backend/code49.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* code49.c - Handles Code 49 */
/*
libzint - the open source barcode library
Copyright (C) 2009-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2009-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -79,7 +79,7 @@ INTERNAL int zint_code49(struct zint_symbol *symbol, unsigned char source[], int
codeword_count = 0;
i = 0;
h = d - intermediate;
h = (int) (d - intermediate);
do {
if (z_isdigit(intermediate[i])) {
/* Numeric data */
backend/common.c
+1 -1
View File
@@ -161,7 +161,7 @@ INTERNAL int z_posn(const char set_string[], const char data) {
for (s = set_string; *s; s++) {
if (data == *s) {
return s - set_string;
return (int) (s - set_string);
}
}
return -1;
backend/gs1.c
+40 -40
View File
@@ -86,7 +86,7 @@ static int gs1_numeric(const unsigned char *data, int data_len, int offset, int
for (; d < de; d++) {
if (!z_isdigit(*d)) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Non-numeric character '%c'", *d);
}
}
@@ -136,7 +136,7 @@ static int gs1_cset82(const unsigned char *data, int data_len, int offset, int m
for (; d < de; d++) {
if (*d < '!' || *d > 'z' || gs1_c82[*d - '!'] == 82) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid CSET 82 character '%c'", *d);
}
}
@@ -164,7 +164,7 @@ static int gs1_cset39(const unsigned char *data, int data_len, int offset, int m
/* 0-9, A-Z and "#", "-", "/" */
if ((*d < '0' && *d != '#' && *d != '-' && *d != '/') || (*d > '9' && *d < 'A') || *d > 'Z') {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid CSET 39 character '%c'", *d);
}
}
@@ -196,7 +196,7 @@ static int gs1_cset64(const unsigned char *data, int data_len, int offset, int m
break;
}
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid CSET 64 character '%c'", *d);
}
}
@@ -232,7 +232,7 @@ static int gs1_csum(const unsigned char *data, int data_len, int offset, int min
}
if (checksum != *d - '0') {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Bad checksum '%c', expected '%c'", *d, checksum + '0');
}
}
@@ -274,7 +274,7 @@ static int gs1_csumalpha(const unsigned char *data, int data_len, int offset, in
if (de[0] != c1 || de[1] != c2) {
*p_err_no = 3;
*p_err_posn = (de - data) + 1;
*p_err_posn = (int) (de - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Bad checksum '%.2s', expected '%c%c'", de, c1, c2);
}
}
@@ -665,12 +665,12 @@ static int gs1_pcenc(const unsigned char *data, int data_len, int offset, int mi
if (*d == '%') {
if (de - d < 3) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Invalid % escape");
}
if (strchr(hex_chars, *(++d)) == NULL || strchr(hex_chars, *(++d)) == NULL) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Invalid character for percent encoding");
}
}
@@ -858,19 +858,19 @@ static int gs1_iban(const unsigned char *data, int data_len, int offset, int min
/* 1st 2 chars alphabetic country code */
if (!z_isupper(d[0]) || !z_isupper(d[1])) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Non-alphabetic IBAN country code '%.2s'", d);
}
if (!iso3166_alpha2((const char *) d)) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid IBAN country code '%.2s'", d);
}
d += 2;
/* 2nd 2 chars numeric checksum */
if (!z_isdigit(d[0]) || !z_isdigit(d[1])) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Non-numeric IBAN checksum '%.2s'", d);
}
given_checksum = z_to_int(d, 2);
@@ -879,7 +879,7 @@ static int gs1_iban(const unsigned char *data, int data_len, int offset, int min
/* 0-9, A-Z */
if (*d < '0' || (*d > '9' && *d < 'A') || *d > 'Z') {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid IBAN character '%c'", *d);
}
if (*d >= 'A') {
@@ -944,14 +944,14 @@ static const unsigned char *gs1_coupon_vli(const unsigned char *data, const int
if (d - data + 1 > data_len) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
(void) gs1_err_msg_printf_nochk(err_msg, "%s VLI missing", name);
return NULL;
}
vli = z_to_int(d, 1);
if ((vli < vli_min || vli > vli_max) && (vli != 9 || !vli_nine)) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
if (vli < 0) {
(void) gs1_err_msg_printf_nochk(err_msg, "Non-numeric %s VLI '%c'", name, *d);
} else {
@@ -963,7 +963,7 @@ static const unsigned char *gs1_coupon_vli(const unsigned char *data, const int
if (vli != 9 || !vli_nine) {
if (d - data + vli + vli_offset > data_len) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
(void) gs1_err_msg_printf_nochk(err_msg, "%s incomplete", name);
return NULL;
}
@@ -971,7 +971,7 @@ static const unsigned char *gs1_coupon_vli(const unsigned char *data, const int
for (; d < de; d++) {
if (!z_isdigit(*d)) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
(void) gs1_err_msg_printf_nochk(err_msg, "Non-numeric %s '%c'", name, *d);
return NULL;
}
@@ -988,14 +988,14 @@ static const unsigned char *gs1_coupon_val(const unsigned char *data, const int
if (d - data + val_len > data_len) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
(void) gs1_err_msg_printf_nochk(err_msg, "%s incomplete", name);
return NULL;
}
val = z_to_int(d, val_len);
if (val < 0) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
(void) gs1_err_msg_printf_nochk(err_msg, "Non-numeric %s", name);
return NULL;
}
@@ -1059,7 +1059,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
}
if (val > 5 && val < 9) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid Primary Purch. Req. Code '%c'", *(d - 1));
}
if (!(d = gs1_coupon_val(data, data_len, d, "Primary Purch. Family Code", 3, NULL, p_err_no, p_err_posn,
@@ -1080,7 +1080,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
}
if (val > 3) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid Add. Purch. Rules Code '%c'", *(d - 1));
}
if (!(d = gs1_coupon_vli(data, data_len, d, "2nd Purch. Req.", 0, 1, 5, 0, p_err_no, p_err_posn,
@@ -1093,7 +1093,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
}
if (val > 4 && val < 9) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid 2nd Purch. Req. Code '%c'", *(d - 1));
}
if (!(d = gs1_coupon_val(data, data_len, d, "2nd Purch. Family Code", 3, NULL, p_err_no, p_err_posn,
@@ -1117,7 +1117,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
}
if (val > 4 && val < 9) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid 3rd Purch. Req. Code '%c'", *(d - 1));
}
if (!(d = gs1_coupon_val(data, data_len, d, "3rd Purch. Family Code", 3, NULL, p_err_no, p_err_posn,
@@ -1135,7 +1135,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
err_msg))) {
return 0;
}
if (!gs1_yymmd0(data, data_len, d - 6 - data, 6, 6, p_err_no, p_err_posn, err_msg, 0)) {
if (!gs1_yymmd0(data, data_len, (int) (d - 6 - data), 6, 6, p_err_no, p_err_posn, err_msg, 0)) {
return 0;
}
@@ -1144,7 +1144,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
if (!(d = gs1_coupon_val(data, data_len, d, "Start Date", 6, NULL, p_err_no, p_err_posn, err_msg))) {
return 0;
}
if (!gs1_yymmd0(data, data_len, d - 6 - data, 6, 6, p_err_no, p_err_posn, err_msg, 0)) {
if (!gs1_yymmd0(data, data_len, (int) (d - 6 - data), 6, 6, p_err_no, p_err_posn, err_msg, 0)) {
return 0;
}
@@ -1170,7 +1170,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
}
if ((val > 2 && val < 5) || val > 6) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid Save Value Code '%c'", *(d - 1));
}
if (!(d = gs1_coupon_val(data, data_len, d, "Save Value Applies To", 1, &val, p_err_no, p_err_posn,
@@ -1179,7 +1179,7 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
}
if (val > 2) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid Save Value Applies To '%c'", *(d - 1));
}
if (!(d = gs1_coupon_val(data, data_len, d, "Store Coupon Flag", 1, NULL, p_err_no, p_err_posn,
@@ -1192,14 +1192,14 @@ static int gs1_couponcode(const unsigned char *data, int data_len, int offset, i
}
if (val > 1) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid Don't Multiply Flag '%c'", *(d - 1));
}
} else {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
if (data_field < 0) {
(void) gs1_err_msg_printf_nochk(err_msg, "Non-numeric Data Field '%c'", *(d - 1));
} else {
@@ -1247,7 +1247,7 @@ static int gs1_couponposoffer(const unsigned char *data, int data_len, int offse
}
if (val != 0 && val != 1) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Coupon Format must be 0 or 1");
}
if (!(d = gs1_coupon_vli(data, data_len, d, "Coupon Funder ID", 6, 0, 6, 0, p_err_no, p_err_posn, err_msg))) {
@@ -1261,7 +1261,7 @@ static int gs1_couponposoffer(const unsigned char *data, int data_len, int offse
}
if (d - data != data_len) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Reserved trailing characters");
}
}
@@ -1290,7 +1290,7 @@ static int gs1_latitude(const unsigned char *data, int data_len, int offset, int
}
if (lat > 1800000000) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Invalid latitude");
}
}
@@ -1319,7 +1319,7 @@ static int gs1_longitude(const unsigned char *data, int data_len, int offset, in
}
if (lng > 3600000000) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1;
*p_err_posn = (int) (d - 1 - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Invalid longitude");
}
}
@@ -1348,7 +1348,7 @@ static int gs1_mediatype(const unsigned char *data, int data_len, int offset, in
}
if (val == 0 || (val > 10 && val < 80)) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Invalid AIDC media type");
}
}
@@ -1373,7 +1373,7 @@ static int gs1_hyphen(const unsigned char *data, int data_len, int offset, int m
for (; d < de; d++) {
if (*d != '-') {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Invalid temperature indicator (hyphen only)");
}
}
@@ -1425,17 +1425,17 @@ static int gs1_posinseqslash(const unsigned char *data, int data_len, int offset
if (!z_isdigit(*d)) {
if (*d != '/') {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_printf_nochk(err_msg, "Invalid character '%c' in sequence", *d);
}
if (slash) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Single sequence separator ('/') only");
}
if (d == data + offset || d + 1 == de) {
*p_err_no = 3;
*p_err_posn = d - data + 1;
*p_err_posn = (int) (d - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Sequence separator '/' cannot start or end");
}
slash = d;
@@ -1446,16 +1446,16 @@ static int gs1_posinseqslash(const unsigned char *data, int data_len, int offset
*p_err_posn = offset + 1;
return gs1_err_msg_cpy_nochk(err_msg, "No sequence separator ('/')");
}
pos = z_to_int(data + offset, slash - (data + offset));
pos = z_to_int(data + offset, (int) (slash - (data + offset)));
if (pos == 0) {
*p_err_no = 3;
*p_err_posn = offset + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Sequence position cannot be zero");
}
tot = z_to_int(slash + 1, de - (slash + 1));
tot = z_to_int(slash + 1, (int) (de - (slash + 1)));
if (tot == 0) {
*p_err_no = 3;
*p_err_posn = slash + 1 - data + 1;
*p_err_posn = (int) (slash + 1 - data) + 1;
return gs1_err_msg_cpy_nochk(err_msg, "Sequence total cannot be zero");
}
if (pos > tot) {
backend/mailmark.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* mailmark.c - Royal Mail 4-state and 2D Mailmark barcodes */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -467,7 +467,7 @@ INTERNAL int zint_mailmark_4s(struct zint_symbol *symbol, unsigned char source[]
/* Translate 4-state data pattern to symbol */
j = 0;
for (i = 0, len = d - bar; i < len; i++) {
for (i = 0, len = (int) (d - bar); i < len; i++) {
if (bar[i] == 'F' || bar[i] == 'A') {
z_set_module(symbol, 0, j);
}
backend/medical.c
+3 -3
View File
@@ -83,14 +83,14 @@ INTERNAL int zint_pharma(struct zint_symbol *symbol, unsigned char source[], int
}
} while (tester != 0);
h = in - inter;
h = (int) (in - inter);
for (counter = h - 1; counter >= 0; counter--) {
*d++ = inter[counter] == 'W' ? '3' : '1';
*d++ = '2';
}
*--d = '\0'; /* Chop off final bar */
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
/* Laetus Pharmacode Guide 1.2 Standard one-track height 8mm / 0.5mm (X) */
@@ -133,7 +133,7 @@ static int pharma_two_calc(int tester, char *d) {
}
} while (tester != 0);
h = in - inter;
h = (int) (in - inter);
for (counter = h - 1; counter >= 0; counter--) {
*d++ = inter[counter];
}
backend/plessey.c
+3 -3
View File
@@ -1,7 +1,7 @@
/* plessey.c - Handles Plessey and MSI Plessey */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -116,7 +116,7 @@ INTERNAL int zint_plessey(struct zint_symbol *symbol, unsigned char source[], in
memcpy(d, "331311313", 9);
d += 9;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
/* TODO: Find documentation on BARCODE_PLESSEY dimensions/height */
@@ -375,7 +375,7 @@ INTERNAL int zint_msi_plessey(struct zint_symbol *symbol, unsigned char source[]
memcpy(d, "121", 3);
d += 3;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
/* TODO: Find documentation on BARCODE_MSI_PLESSEY dimensions/height */
backend/postal.c
+5 -5
View File
@@ -1,7 +1,7 @@
/* postal.c - Handles POSTNET, PLANET, CEPNet, FIM. RM4SCC and Flattermarken */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Including bug fixes by Bryan Hatton
Redistribution and use in source and binary forms, with or without
@@ -330,7 +330,7 @@ INTERNAL int zint_koreapost(struct zint_symbol *symbol, unsigned char source[],
memcpy(d, KoreaTable[check], 10);
d += KoreaTable[check][8] ? 10 : 8;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
/* TODO: Find documentation on BARCODE_KOREAPOST dimensions/height */
@@ -557,7 +557,7 @@ INTERNAL int zint_kix(struct zint_symbol *symbol, unsigned char source[], int le
}
writer = 0;
h = d - height_pattern;
h = (int) (d - height_pattern);
for (loopey = 0; loopey < h; loopey++) {
if (height_pattern[loopey] == '1' || height_pattern[loopey] == '0') {
z_set_module(symbol, 0, writer);
@@ -668,7 +668,7 @@ INTERNAL int zint_flat(struct zint_symbol *symbol, unsigned char source[], int l
d += entry[2] ? 4 : 2;
}
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
/* TODO: Find documentation on BARCODE_FLAT dimensions/height */
@@ -760,7 +760,7 @@ INTERNAL int zint_japanpost(struct zint_symbol *symbol, unsigned char source[],
/* Resolve pattern to 4-state symbols */
writer = 0;
h = d - pattern;
h = (int) (d - pattern);
for (loopey = 0; loopey < h; loopey++) {
if (pattern[loopey] == '2' || pattern[loopey] == '1') {
z_set_module(symbol, 0, writer);
backend/telepen.c
+3 -3
View File
@@ -1,7 +1,7 @@
/* telepen.c - Handles Telepen and Telepen numeric */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -128,7 +128,7 @@ INTERNAL int zint_telepen(struct zint_symbol *symbol, unsigned char source[], in
memcpy(d, TeleTable['z'], 12);
d += 12;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
/* Default height from various Telepen docs is based on default 26pt at X 0.01125"
@@ -210,7 +210,7 @@ INTERNAL int zint_telepen_num(struct zint_symbol *symbol, unsigned char source[]
memcpy(d, TeleTable['z'], 12);
d += 12;
z_expand(symbol, dest, d - dest);
z_expand(symbol, dest, (int) (d - dest));
if (symbol->output_options & COMPLIANT_HEIGHT) {
(void) z_set_height(symbol, 0.0f, 32.0f, 0, 1 /*no_errtxt*/); /* Same as alphanumeric Telepen */
backend/tests/test_bwipp.c
+3 -3
View File
@@ -111,7 +111,7 @@ static void test_bwipp_random(const testCtx *const p_ctx, const struct random_it
bwipp_buf, sizeof(bwipp_buf), NULL);
assert_zero(ret, "i:%d %s testUtilBwipp ret %d != 0\n", i, testUtilBarcodeName(symbol->symbology), ret);
bwipp_len = strlen(bwipp_buf);
bwipp_len = (int) strlen(bwipp_buf);
assert_nonzero(bwipp_len, "i:%d bwipp_len %d = 0\n", i, bwipp_len);
symbol->width = width_func ? width_func(rdata, bwipp_len) : bwipp_len;
@@ -405,7 +405,7 @@ static void test_aztec_bwipjs_354(const testCtx *const p_ctx) {
sizeof(bwipp_buf), NULL);
assert_zero(ret, "i:%d %s testUtilBwipp ret %d != 0\n", i, testUtilBarcodeName(symbol->symbology), ret);
bwipp_len = strlen(bwipp_buf);
bwipp_len = (int) strlen(bwipp_buf);
assert_nonzero(bwipp_len, "i:%d bwipp_len %d = 0\n", i, bwipp_len);
symbol->width = sqrt_width_func(NULL /*rdata*/, bwipp_len);
@@ -496,7 +496,7 @@ static void test_codablockf_fnc4_digit(const testCtx *const p_ctx) {
bwipp_buf, sizeof(bwipp_buf), NULL);
assert_zero(ret, "i:%d %s testUtilBwipp ret %d != 0\n", i, testUtilBarcodeName(symbol->symbology), ret);
bwipp_len = strlen(bwipp_buf);
bwipp_len = (int) strlen(bwipp_buf);
assert_nonzero(bwipp_len, "i:%d bwipp_len %d = 0\n", i, bwipp_len);
symbol->width = codablockf_width_func(rdata, bwipp_len);
backend/tests/test_library.c
+1 -1
View File
@@ -1468,7 +1468,7 @@ static void test_encode_file_unreadable(const testCtx *const p_ctx) {
fd = creat(filename, S_IWUSR);
assert_notequal(fd, -1, "Unreadable input file (%s) not created == -1 (%d: %s)\n",
filename, errno, strerror(errno));
ret = write(fd, buf, 1);
ret = (int) write(fd, buf, 1);
assert_equal(ret, 1, "Unreadable write ret %d != 1\n", ret);
ret = close(fd);
assert_zero(ret, "Unreadable close(%s) != 0(%d: %s)\n", filename, errno, strerror(errno));
backend/tests/testcommon.c
+9 -9
View File
@@ -1182,7 +1182,7 @@ int testUtilModulesDump(const struct zint_symbol *symbol, char dump[], int dump_
return -1;
}
*d = '\0';
return d - dump;
return (int) (d - dump);
}
/* Print out module dump (for generate tests) */
@@ -1492,24 +1492,24 @@ int testUtilDataPath(char *buffer, int buffer_size, const char *subdir, const ch
s = s2;
}
*s = '\0';
len = s - buffer;
len = (int) (s - buffer);
}
if ((s = strstr(buffer, "/backend")) != NULL) {
while ((s2 = strstr(s + 1, "/backend")) != NULL) { /* Find rightmost */
s = s2;
}
*s = '\0';
len = s - buffer;
len = (int) (s - buffer);
} else if ((s = strstr(buffer, "/frontend")) != NULL) {
while ((s2 = strstr(s + 1, "/frontend")) != NULL) { /* Find rightmost */
s = s2;
}
*s = '\0';
len = s - buffer;
len = (int) (s - buffer);
}
if (cmake_src_dir == NULL && (s = strrchr(buffer, '/')) != NULL) { /* Remove "build" dir */
*s = '\0';
len = s - buffer;
len = (int) (s - buffer);
}
if (subdir_len) {
@@ -2196,7 +2196,7 @@ int testUtilVerifyLibreOffice(const char *filename, int debug) {
return -1;
}
while (!feof(fp) && b < be) {
if (fgets(b, be - b, fp) == NULL) {
if (fgets(b, (int) (be - b), fp) == NULL) {
fprintf(stderr, "testUtilVerifyLibreOffice: failed to get line from '%s' (%s)\n", svg, cmd);
fclose(fp);
return -1;
@@ -2642,7 +2642,7 @@ static char *testUtilBwippCvtGS1Data(char *bwipp_data, const int bwipp_data_size
*b = ')';
} else if ((*c == '+' || *c == ' ') && upcean && !pipe) {
*b = ' ';
*addon_posn = b - bwipp_data;
*addon_posn = (int) (b - bwipp_data);
} else {
*b = *c;
}
@@ -3780,7 +3780,7 @@ int testUtilBwippSegs(int index, struct zint_symbol *symbol, int option_1, int o
d += local_segs[i].length;
}
}
total_len = d - data;
total_len = (int) (d - data);
if (unicode_mode) {
symbol->input_mode = DATA_MODE;
@@ -4273,7 +4273,7 @@ static int textUtilZXingCPPDX(const char *expected, const int expected_len, cons
static int textUtilZXingCPPEAN13AddOn(const char *expected, const int expected_len, char *out) {
char *sep;
if ((sep = strchr(expected, '+')) != NULL || (sep = strchr(expected, ' ')) != NULL) {
const int addon_len = expected_len - (sep + 1 - expected);
const int addon_len = expected_len - (int) (sep + 1 - expected);
if (addon_len <= 2) {
memset(out + 13, '0', 2 - addon_len);
memcpy(out + 13 + (2 - addon_len), sep + 1, addon_len);
backend/tif.c
+2 -2
View File
@@ -1,7 +1,7 @@
/* tif.c - Aldus Tagged Image File Format support */
/*
libzint - the open source barcode library
Copyright (C) 2016-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2016-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -376,7 +376,7 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
(void) zint_fm_close(fmp, symbol);
return z_errtxt(ZINT_ERROR_MEMORY, symbol, 673, "Insufficient memory for TIF LZW hash table");
}
bytes_put = zint_fm_tell(fmp) - file_pos;
bytes_put = (unsigned int) (zint_fm_tell(fmp) - file_pos);
if (bytes_put != strip_bytes[strip]) {
const int diff = bytes_put - strip_bytes[strip];
strip_bytes[strip] = bytes_put;