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- BMP/EMF/EPS/GIF/PCX/PNG/SVG/TIF/TXT: check for errors on writing

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to output file; ZBarcode_Encode_File: check `fseek()` for errors
  (ticket #275)
- man page: fix Code 11 check digit info
- manual/man page: document octal escape; Code 128 subset/mode ->
  Code Set
This commit is contained in:
gitlost
2022-12-19 16:28:15 +00:00
parent a54bdc0299
commit 268fdd7fc2
18 changed files with 318 additions and 140 deletions
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18
backend/pcx.c
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@ -207,10 +207,24 @@ INTERNAL int pcx_pixel_plot(struct zint_symbol *symbol, unsigned char *pixelbuf)
}
}
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);
}
return ZINT_ERROR_FILE_WRITE;
}
if (output_to_stdout) {
fflush(pcx_file);
if (fflush(pcx_file) != 0) {
sprintf(symbol->errtxt, "623: Incomplete flush to output (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
} else {
fclose(pcx_file);
if (fclose(pcx_file) != 0) {
sprintf(symbol->errtxt, "624: Failure on closing output file (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
}
return 0;