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Add BARCODE_MEMORY_FILE to symbol->output_options to allow

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outputting to in-memory buffer `symbol->memfile` instead of to
  file `symbol->outfile`, ticket #301
Add "README.clang-tidy" and ".clang-tidy" options file
Suppress some warnings
This commit is contained in:
gitlost 2023-12-27 19:20:19 +00:00
parent 070162214b
commit 98f86727cc
59 changed files with 2407 additions and 1262 deletions
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56
backend/pcx.c
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@ -33,11 +33,8 @@
#include <errno.h>
#include <math.h>
#include <stdio.h>
#ifdef _MSC_VER
#include <io.h>
#include <fcntl.h>
#endif
#include "common.h"
#include "filemem.h"
#include "output.h"
#include "pcx.h" /* PCX header structure */
@ -46,11 +43,11 @@ INTERNAL int pcx_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
unsigned char fgred, fggrn, fgblu, fgalpha, bgred, bggrn, bgblu, bgalpha;
int row, column, i, colour;
int run_count;
FILE *pcx_file;
struct filemem fm;
struct filemem *const fmp = &fm;
pcx_header_t header;
unsigned char previous;
const unsigned char *pb;
const int output_to_stdout = symbol->output_options & BARCODE_STDOUT; /* Suppress gcc -fanalyzer warning */
const int bytes_per_line = symbol->bitmap_width + (symbol->bitmap_width & 1); /* Must be even */
unsigned char *rle_row = (unsigned char *) z_alloca(bytes_per_line);
@ -88,22 +85,12 @@ INTERNAL int pcx_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
}
/* Open output file in binary mode */
if (output_to_stdout) {
#ifdef _MSC_VER
if (-1 == _setmode(_fileno(stdout), _O_BINARY)) {
sprintf(symbol->errtxt, "620: Could not set stdout to binary (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_ACCESS;
}
#endif
pcx_file = stdout;
} else {
if (!(pcx_file = out_fopen(symbol->outfile, "wb"))) {
sprintf(symbol->errtxt, "621: Could not open output file (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_ACCESS;
}
if (!fm_open(fmp, symbol, "wb")) {
sprintf(symbol->errtxt, "621: Could not open output file (%d: %.30s)", fmp->err, strerror(fmp->err));
return ZINT_ERROR_FILE_ACCESS;
}
fwrite(&header, sizeof(pcx_header_t), 1, pcx_file);
fm_write(&header, sizeof(pcx_header_t), 1, fmp);
for (row = 0, pb = pixelbuf; row < symbol->bitmap_height; row++, pb += symbol->bitmap_width) {
for (colour = 0; colour < header.number_of_planes; colour++) {
@ -147,9 +134,9 @@ INTERNAL int pcx_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
} else {
if (run_count > 1 || (previous & 0xc0) == 0xc0) {
run_count += 0xc0;
fputc(run_count, pcx_file);
fm_putc(run_count, fmp);
}
fputc(previous, pcx_file);
fm_putc(previous, fmp);
previous = rle_row[column];
run_count = 1;
}
@ -157,30 +144,21 @@ INTERNAL int pcx_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
if (run_count > 1 || (previous & 0xc0) == 0xc0) {
run_count += 0xc0;
fputc(run_count, pcx_file);
fm_putc(run_count, fmp);
}
fputc(previous, pcx_file);
fm_putc(previous, fmp);
}
}
if (ferror(pcx_file)) {
sprintf(symbol->errtxt, "622: Incomplete write to output (%d: %.30s)", errno, strerror(errno));
if (!output_to_stdout) {
(void) fclose(pcx_file);
}
if (fm_error(fmp)) {
sprintf(symbol->errtxt, "622: Incomplete write to output (%d: %.30s)", fmp->err, strerror(fmp->err));
(void) fm_close(fmp, symbol);
return ZINT_ERROR_FILE_WRITE;
}
if (output_to_stdout) {
if (fflush(pcx_file) != 0) {
sprintf(symbol->errtxt, "623: Incomplete flush to output (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
} else {
if (fclose(pcx_file) != 0) {
sprintf(symbol->errtxt, "624: Failure on closing output file (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
if (!fm_close(fmp, symbol)) {
sprintf(symbol->errtxt, "624: Failure on closing output file (%d: %.30s)", fmp->err, strerror(fmp->err));
return ZINT_ERROR_FILE_WRITE;
}
return 0;