Differential D19705 Diff 55513 head/contrib/elftoolchain/libdwarf/libdwarf_lineno.c

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head/contrib/elftoolchain/libdwarf/libdwarf_lineno.c

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	ELFTC_VCSID("$Id: libdwarf_lineno.c 3164 2015-02-19 01:20:12Z kaiwang27 $");			ELFTC_VCSID("$Id: libdwarf_lineno.c 3164 2015-02-19 01:20:12Z kaiwang27 $");

	static int			static int
	_dwarf_lineno_add_file(Dwarf_LineInfo li, uint8_t *p, const char compdir,			_dwarf_lineno_add_file(Dwarf_LineInfo li, uint8_t *p, const char compdir,
	Dwarf_Error *error, Dwarf_Debug dbg)			Dwarf_Error *error, Dwarf_Debug dbg)
	{			{
	Dwarf_LineFile lf;			Dwarf_LineFile lf;
	const char *dirname;			FILE *filepath;
				const char *incdir;
	uint8_t *src;			uint8_t *src;
	int slen;			size_t slen;

	src = *p;			src = *p;

	if ((lf = malloc(sizeof(struct _Dwarf_LineFile))) == NULL) {			if ((lf = malloc(sizeof(struct _Dwarf_LineFile))) == NULL) {
	DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);			DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
	return (DW_DLE_MEMORY);			return (DW_DLE_MEMORY);
	}			}

	lf->lf_fullpath = NULL;			lf->lf_fullpath = NULL;
	lf->lf_fname = (char *) src;			lf->lf_fname = (char *) src;
	src += strlen(lf->lf_fname) + 1;			src += strlen(lf->lf_fname) + 1;
	lf->lf_dirndx = _dwarf_decode_uleb128(&src);			lf->lf_dirndx = _dwarf_decode_uleb128(&src);
	if (lf->lf_dirndx > li->li_inclen) {			if (lf->lf_dirndx > li->li_inclen) {
	free(lf);			free(lf);
	DWARF_SET_ERROR(dbg, error, DW_DLE_DIR_INDEX_BAD);			DWARF_SET_ERROR(dbg, error, DW_DLE_DIR_INDEX_BAD);
	return (DW_DLE_DIR_INDEX_BAD);			return (DW_DLE_DIR_INDEX_BAD);
	}			}

	/* Make full pathname if need. */			/* Make a full pathname if needed. */
	if (*lf->lf_fname != '/') {			if (*lf->lf_fname != '/') {
	dirname = compdir;			filepath = open_memstream(&lf->lf_fullpath, &slen);
	if (lf->lf_dirndx > 0)			if (filepath == NULL) {
	dirname = li->li_incdirs[lf->lf_dirndx - 1];
	if (dirname != NULL) {
	slen = strlen(dirname) + strlen(lf->lf_fname) + 2;
	if ((lf->lf_fullpath = malloc(slen)) == NULL) {
	free(lf);			free(lf);
	DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);			DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
	return (DW_DLE_MEMORY);			return (DW_DLE_MEMORY);
	}			}
	snprintf(lf->lf_fullpath, slen, "%s/%s", dirname,
	lf->lf_fname);			if (lf->lf_dirndx > 0)
				incdir = li->li_incdirs[lf->lf_dirndx - 1];
				else
				incdir = NULL;

				/*
				* Prepend the compilation directory if the directory table
				* entry is relative.
				*/
				if (incdir == NULL \|\| *incdir != '/')
				fprintf(filepath, "%s/", compdir);
				if (incdir != NULL)
				fprintf(filepath, "%s/", incdir);
				fprintf(filepath, "%s", lf->lf_fname);
				if (fclose(filepath) != 0) {
				free(lf);
				DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
				return (DW_DLE_MEMORY);
	}			}
	}			}

	lf->lf_mtime = _dwarf_decode_uleb128(&src);			lf->lf_mtime = _dwarf_decode_uleb128(&src);
	lf->lf_size = _dwarf_decode_uleb128(&src);			lf->lf_size = _dwarf_decode_uleb128(&src);
	STAILQ_INSERT_TAIL(&li->li_lflist, lf, lf_next);			STAILQ_INSERT_TAIL(&li->li_lflist, lf, lf_next);
	li->li_lflen++;			li->li_lflen++;

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