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general: prefix all INTERNAL funcs/tables with zint_, except

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those in "backend/common.h", which are prefixed by `z_` - makes
  symbol clashes more unlikely when zint is statically linked
  (ticket #337, props Ulrich Becker)
DOTCODE: fix padding allowance (10 -> 52 - probable max 35) to
  cover cases with large no. of columns requested and little data,
  to prevent `codeword_array` buffer overflow
AZTEC/CODEONE: some code fiddling
general_field: prefix defines with `GF_`, shorten static funcs
  prefix `general_field_` -> `gf_`
This commit is contained in:
gitlost
2025-08-26 23:48:00 +01:00
parent e18b047a45
commit 39380d6767
106 changed files with 4477 additions and 4360 deletions
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28
backend/filemem.h
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@@ -1,7 +1,7 @@
/* filemem.h - write to file/memory abstraction */
/*
libzint - the open source barcode library
Copyright (C) 2023-2024 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2023-2025 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -50,50 +50,50 @@ struct filemem {
unsigned char *mem;
size_t memsize; /* Size of `mem` buffer (capacity) */
size_t mempos; /* Current position */
size_t memend; /* For use by `fm_seek()`, points to highest `mempos` reached */
size_t memend; /* For use by `zint_fm_seek()`, points to highest `mempos` reached */
int flags; /* BARCODE_MEMORY_FILE or BARCODE_STDOUT */
int err; /* `errno` values, reset only on `fm_open()` */
int err; /* `errno` values, reset only on `zint_fm_open()` */
#ifdef FM_NO_VSNPRINTF
FILE *fp_null; /* Only used for BARCODE_MEMORY_FILE */
#endif
};
/* `fopen()` if file, setup memory buffer if BARCODE_MEMORY_FILE, returning 1 on success, 0 on failure */
INTERNAL int fm_open(struct filemem *restrict const fmp, struct zint_symbol *symbol, const char *mode);
INTERNAL int zint_fm_open(struct filemem *restrict const fmp, struct zint_symbol *symbol, const char *mode);
/* `fwrite()` to file or memory, returning 1 on success, 0 on failure */
INTERNAL int fm_write(const void *restrict ptr, const size_t size, const size_t nitems,
INTERNAL int zint_fm_write(const void *restrict ptr, const size_t size, const size_t nitems,
struct filemem *restrict const fmp);
/* `fputc()` to file or memory, returning 1 on success, 0 on failure */
INTERNAL int fm_putc(const int ch, struct filemem *restrict const fmp);
INTERNAL int zint_fm_putc(const int ch, struct filemem *restrict const fmp);
/* `fputs()` to file or memory, returning 1 on success, 0 on failure */
INTERNAL int fm_puts(const char *str, struct filemem *restrict const fmp);
INTERNAL int zint_fm_puts(const char *str, struct filemem *restrict const fmp);
/* `fprintf()` to file or memory, returning 1 on success, 0 on failure */
INTERNAL int fm_printf(struct filemem *restrict const fmp, const char *format, ...) ZINT_FORMAT_PRINTF(2, 3);
INTERNAL int zint_fm_printf(struct filemem *restrict const fmp, const char *format, ...) ZINT_FORMAT_PRINTF(2, 3);
/* Output float without trailing zeroes to `fmp` with decimal pts `dp` (precision), returning 1 on success, 0 on
failure */
INTERNAL int fm_putsf(const char *prefix, const int dp, const float arg, struct filemem *restrict const fmp);
INTERNAL int zint_fm_putsf(const char *prefix, const int dp, const float arg, struct filemem *restrict const fmp);
/* `fclose()` if file, set `symbol->memfile` & `symbol->memfile_size` if memory, returning 1 on success, 0 on
failure */
INTERNAL int fm_close(struct filemem *restrict const fmp, struct zint_symbol *symbol);
INTERNAL int zint_fm_close(struct filemem *restrict const fmp, struct zint_symbol *symbol);
/* `fseek()` to file/memory offset, returning 1 on success, 0 on failure */
INTERNAL int fm_seek(struct filemem *restrict const fmp, const long offset, const int whence);
INTERNAL int zint_fm_seek(struct filemem *restrict const fmp, const long offset, const int whence);
/* `ftell()` returns current file/memory offset if successful, -1 on failure */
INTERNAL long fm_tell(struct filemem *restrict const fmp);
INTERNAL long zint_fm_tell(struct filemem *restrict const fmp);
/* Return `err`, which uses `errno` values; if file and `err` not set, test `ferror()` also */
INTERNAL int fm_error(struct filemem *restrict const fmp);
INTERNAL int zint_fm_error(struct filemem *restrict const fmp);
/* `fflush()` if file, no-op if memory, returning 1 on success, 0 on failure
NOTE: don't use, included only for libpng compatibility */
INTERNAL int fm_flush(struct filemem *restrict const fmp);
INTERNAL int zint_fm_flush(struct filemem *restrict const fmp);
#ifdef __cplusplus
}