mirror of
https://github.com/netwide-assembler/nasm
synced 2026-08-26 16:23:04 -04:00
18c778c590
Formalize the mechanism for storing mapped (non-filesystem) filenames in the filenames array. These are not compared against input or output files for overwrite checks. Add the infrastructure for comparing more than one input filename (future proofing.) Move the Makefile dependency target name to the filenames system. Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/* Copyright 2026 The NASM Authors - All Rights Reserved */
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#include "compiler.h"
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#include "nasmlib.h"
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#include "files.h"
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#include "error.h"
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/* These must match the constants in "files.h" */
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static const char * const filename_names[FN_NFILES] = {
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"input",
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"output",
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"error",
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"list",
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"dependency",
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"map",
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NULL, /* End of "real" filenames */
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"debug mapped input",
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"make mapped output"
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};
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const char *_filenames[FN_NFILES];
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const char *copy_filename(enum filenames fn, const char *src)
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{
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return set_filename(fn, nasm_strdup(src));
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}
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const char *set_filename(enum filenames fn, char *src)
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{
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const char **dstp, *dst;
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nasm_assert((size_t)fn < ARRAY_SIZE(_filenames));
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dstp = &_filenames[fn];
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dst = *dstp;
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if (dst) {
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nasm_fatal("more than one %s file specified: %s and %s",
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filename_names[fn], dst, src);
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}
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return *dstp = src;
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}
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void check_overwrite_files(void)
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{
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enum filenames fi, fo; /* No fie or fum */
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for (fi = FN_INFILE; fi < FN_OUTFILE; fi++) {
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const char *inname = get_filename(fi);
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if (!inname)
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continue;
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for (fo = FN_OUTFILE; fo < FN_NFILES_REAL; fo++) {
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const char *outname = get_filename(fo);
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if (outname && !nasm_compare_paths(inname, outname)) {
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nasm_nonfatal("%s file would overwrite %s file `%s'",
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filename_names[fo], filename_names[fi], inname);
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}
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}
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}
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}
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void cleanup_filenames(void)
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{
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enum filenames fn;
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for (fn = 0; fn < FN_NFILES; fn++) {
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nasm_free((char *)_filenames[fn]);
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_filenames[fn] = NULL;
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}
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}
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