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backend: define z_alloca() and use for both Unix and Windows;

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replace double-slash comments with old-skool slash asterisk ones;
  define uint16_t etc for Windows ourselves and remove ms_stdint.h &
  stdint_msvc.h as no longer used;
  (backend (excepting test suite) now C89 compatible)
LICENSE: move from backend to root and move COPYING to frontend, with
  copies in frontend_qt & backend_qt, so in where it applies;
  add LICENSE section from manual to root README
This commit is contained in:
gitlost 2022-07-14 16:01:30 +01:00
parent 5ee3895bca
commit 930f458979
70 changed files with 2650 additions and 2038 deletions
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35
backend/composite.c
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@ -48,12 +48,9 @@
The date of publication for these functions is 31 May 2006
*/
#include <stdio.h>
#include <assert.h>
#include <math.h>
#ifdef _MSC_VER
#include <malloc.h>
#endif
#include <stdio.h>
#include "common.h"
#include "pdf417.h"
#include "gs1.h"
@ -303,11 +300,7 @@ static void cc_a(struct zint_symbol *symbol, const char source[], const int cc_w
static void cc_b(struct zint_symbol *symbol, const char source[], const int cc_width) {
const int length = (int) strlen(source) / 8;
int i;
#ifndef _MSC_VER
unsigned char data_string[length + 3];
#else
unsigned char *data_string = (unsigned char *) _alloca(length + 3);
#endif
unsigned char *data_string = (unsigned char *) z_alloca(length + 3);
int chainemc[180], mclength;
int k, j, p, longueur, mccorrection[50] = {0}, offset;
int total;
@ -528,11 +521,7 @@ static void cc_b(struct zint_symbol *symbol, const char source[], const int cc_w
static void cc_c(struct zint_symbol *symbol, const char source[], const int cc_width, const int ecc_level) {
const int length = (int) strlen(source) / 8;
int i, p;
#ifndef _MSC_VER
unsigned char data_string[length + 4];
#else
unsigned char *data_string = (unsigned char *) _alloca(length + 4);
#endif
unsigned char *data_string = (unsigned char *) z_alloca(length + 4);
int chainemc[1000], mclength, k;
int offset, longueur, loop, total, j, mccorrection[520] = {0};
int c1, c2, c3, dummy[35];
@ -871,11 +860,7 @@ static int cc_binary_string(struct zint_symbol *symbol, const unsigned char sour
int ai90_mode, remainder;
char last_digit = '\0';
int mode;
#ifndef _MSC_VER
char general_field[source_len + 1];
#else
char *general_field = (char *) _alloca(source_len + 1);
#endif
char *general_field = (char *) z_alloca(source_len + 1);
int target_bitsize;
int bp = 0;
const int debug_print = symbol->debug & ZINT_DEBUG_PRINT;
@ -950,11 +935,7 @@ static int cc_binary_string(struct zint_symbol *symbol, const unsigned char sour
} else if (encoding_method == 3) {
/* Encodation Method field of "11" - AI 90 */
#ifndef _MSC_VER
char ninety[source_len + 1];
#else
char *ninety = (char *) _alloca(source_len + 1);
#endif
char *ninety = (char *) z_alloca(source_len + 1);
int ninety_len, alpha, alphanum, numeric, test1, test2, test3;
/* "This encodation method may be used if an element string with an AI
@ -1282,11 +1263,7 @@ INTERNAL int composite(struct zint_symbol *symbol, unsigned char source[], int l
int j, i, k;
/* Allow for 8 bits + 5-bit latch per char + 1000 bits overhead/padding */
const unsigned int bs = 13 * length + 1000 + 1;
#ifndef _MSC_VER
char binary_string[bs];
#else
char *binary_string = (char *) _alloca(bs);
#endif
char *binary_string = (char *) z_alloca(bs);
unsigned int pri_len;
struct zint_symbol *linear;
int top_shift, bottom_shift;