mirror of
https://git.zap.org.au/git/trader.git
synced 2024-07-21 16:14:14 -04:00
Move error handling into vprepstr(), to save doing it over and over
This commit is contained in:
John Zaitseff
parent
06b66716cf
commit
c50b8a4649
142
src/intf.c
142
src/intf.c
@ -390,10 +390,7 @@ void init_title (void)
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}
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lines = prepstr(chbuf, BUFSIZE, attr_game_title, 0, 0, 1, COLS,
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&width, 1, "%s", _("Star Traders"));
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if (lines < 0) {
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errno_exit("init_title");
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}
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&width, 1, _("Star Traders"));
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pr_center(stdscr, 0, 0, chbuf, lines, &width);
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attrset(attr_root_window);
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@ -604,10 +601,6 @@ int txdlgbox (int maxlines, int ncols, int begin_y, int begin_x,
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ncols - 4, widthbuf, maxlines, format, args);
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va_end(args);
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if (lines < 0) {
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errno_exit(_("txdlgbox: `%s'"), format);
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}
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newtxwin(usetitle ? lines + 6 : lines + 5, ncols, begin_y, begin_x,
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true, bkgd_attr);
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@ -621,15 +614,9 @@ int txdlgbox (int maxlines, int ncols, int begin_y, int begin_x,
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err_exit_nomem();
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}
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titlelines = prepstr(titlebuf, BUFSIZE, title_attr, bkgd_attr,
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norm_attr, 1, ncols - 4, &titlewidth, 1,
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"%s", boxtitle);
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if (titlelines < 0) {
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errno_exit(_("txdlgbox: `%s'"), boxtitle);
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}
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titlelines = prepstr(titlebuf, BUFSIZE, title_attr, 0, 0, 1,
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ncols - 4, &titlewidth, 1, boxtitle);
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pr_center(curwin, 1, 0, titlebuf, titlelines, &titlewidth);
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free(titlebuf);
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}
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@ -790,8 +777,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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case '^':
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// Switch to a different character rendition
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if (*format == '\0') {
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errno = EINVAL;
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return -1;
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goto error_inval;
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} else {
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format++;
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}
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@ -800,8 +786,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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case '%':
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// Process a conversion specifier
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if (*format == '\0') {
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errno = EINVAL;
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return -1;
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goto error_inval;
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} else if (*format == '%') {
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format++;
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} else {
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@ -816,10 +801,8 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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switch (c) {
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case '0':
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// Zero flag, or part of numeric count
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if (count == 0) {
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errno = EINVAL;
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return -1;
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}
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if (count == 0)
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goto error_inval;
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count *= 10;
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break;
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@ -839,14 +822,12 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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case '$':
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// Fixed-position argument
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if (flag_posn || count == 0) {
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errno = EINVAL;
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return -1;
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}
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if (flag_posn || count == 0)
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goto error_inval;
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if (count > MAXFMTARGS) {
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errno = E2BIG;
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return -1;
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goto error;
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}
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flag_posn = true;
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@ -860,10 +841,8 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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case 'l':
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// Long length modifier
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if (flag_long) {
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errno = EINVAL;
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return -1;
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}
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if (flag_long)
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goto error_inval;
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flag_long = true;
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break;
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@ -875,34 +854,29 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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case 'N':
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// Insert a monetary amount (double)
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if (flag_long) {
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errno = EINVAL;
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return -1;
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}
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if (flag_long)
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goto error_inval;
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arg_type = TYPE_DOUBLE;
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goto handlefmt;
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case 's':
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// Insert a string (const char *)
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if (flag_long) {
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errno = EINVAL;
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return -1;
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}
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if (flag_long)
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goto error_inval;
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arg_type = TYPE_STRING;
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handlefmt:
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if (arg_num >= MAXFMTARGS) {
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errno = E2BIG;
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return -1;
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goto error;
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}
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if (format_arg[arg_num].a_type == TYPE_NONE) {
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format_arg[arg_num].a_type = arg_type;
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} else if (format_arg[arg_num].a_type != arg_type) {
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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arg_num++;
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@ -912,13 +886,11 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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break;
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default:
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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}
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if (inspec) {
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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}
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break;
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@ -951,8 +923,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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/* Cannot allow unused arguments, as we have no way of
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knowing how much space they take (cf. int vs. long long
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int). */
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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}
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@ -972,8 +943,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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case '^':
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// Switch to a different character rendition
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if (*++format == '\0') {
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errno = EINVAL;
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return -1;
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goto error_inval;
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} else {
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switch (*format) {
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case '^':
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@ -981,7 +951,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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maxwidth, &line, &width, &lastspc,
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&widthspc, widthbuf, widthbufsize,
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&format) < 0) {
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return -1;
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goto error;
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}
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break;
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@ -1002,8 +972,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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break;
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default:
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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}
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break;
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@ -1011,13 +980,12 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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case '%':
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// Process a conversion specifier
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if (*++format == '\0') {
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errno = EINVAL;
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return -1;
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goto error_inval;
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} else if (*format == '%') {
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if (prepstr_addch(&chbuf, &chbufsize, curattr, maxlines,
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maxwidth, &line, &width, &lastspc, &widthspc,
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widthbuf, widthbufsize, &format) < 0) {
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return -1;
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goto error;
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}
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} else {
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bool inspec = true;
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@ -1040,8 +1008,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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if (count == 0) {
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// Zero flag is not supported
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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count *= 10;
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@ -1064,14 +1031,13 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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// Fixed-position argument
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if (flag_posn || count == 0) {
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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if (count > MAXFMTARGS) {
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free(buf);
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errno = E2BIG;
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return -1;
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goto error;
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}
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flag_posn = true;
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@ -1083,8 +1049,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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// Use locale-specific thousands separator
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if (flag_thou) {
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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flag_thou = true;
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@ -1094,8 +1059,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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// Long length modifier
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if (flag_long) {
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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flag_long = true;
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@ -1105,14 +1069,13 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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// Insert an integer (int or long int) into the output
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if (count != 0) {
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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if (arg_num >= MAXFMTARGS) {
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free(buf);
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errno = E2BIG;
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return -1;
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goto error;
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}
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if (flag_long) {
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@ -1121,7 +1084,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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saved_errno = errno;
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free(buf);
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errno = saved_errno;
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return -1;
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goto error;
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}
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} else {
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if (snprintf(buf, BUFSIZE, flag_thou ? "%'d" : "%d",
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@ -1129,7 +1092,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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saved_errno = errno;
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free(buf);
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errno = saved_errno;
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return -1;
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goto error;
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}
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}
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@ -1140,14 +1103,13 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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// Insert a monetary amount (double) into the output
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if (count != 0 || flag_thou || flag_long) {
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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if (arg_num >= MAXFMTARGS) {
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free(buf);
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errno = E2BIG;
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return -1;
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goto error;
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}
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if (l_strfmon(buf, BUFSIZE, "%n",
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@ -1155,7 +1117,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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saved_errno = errno;
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free(buf);
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errno = saved_errno;
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return -1;
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goto error;
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}
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str = buf;
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@ -1165,14 +1127,13 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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// Insert a string (const char *) into the output
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if (count != 0 || flag_thou || flag_long) {
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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if (arg_num >= MAXFMTARGS) {
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free(buf);
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errno = E2BIG;
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return -1;
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goto error;
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}
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str = format_arg[arg_num].a.a_string;
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@ -1191,7 +1152,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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saved_errno = errno;
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free(buf);
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errno = saved_errno;
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return -1;
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goto error;
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}
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}
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@ -1201,14 +1162,12 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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default:
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free(buf);
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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}
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free(buf);
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if (inspec) {
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errno = EINVAL;
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return -1;
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goto error_inval;
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}
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}
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break;
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@ -1218,7 +1177,7 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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if (prepstr_addch(&chbuf, &chbufsize, curattr, maxlines, maxwidth,
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&line, &width, &lastspc, &widthspc, widthbuf,
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widthbufsize, &format) < 0) {
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return -1;
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goto error;
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}
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}
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}
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@ -1232,6 +1191,13 @@ int vprepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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}
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return line + 1;
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error_inval:
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errno = EINVAL;
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error:
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errno_exit(_("prepstr: `%s'"), orig_format);
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}
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@ -2507,12 +2473,10 @@ void wait_for_key (WINDOW *win, int y, chtype attr)
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chtype *chbuf;
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int width;
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int lines;
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int key;
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bool done;
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keypad(win, true);
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meta(win, true);
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wtimeout(win, -1);
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@ -2524,10 +2488,6 @@ void wait_for_key (WINDOW *win, int y, chtype attr)
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lines = prepstr(chbuf, BUFSIZE, attr, 0, 0, 1, getmaxx(win) - 4,
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&width, 1, _("[ Press <SPACE> to continue ] "));
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if (lines < 0) {
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errno_exit("wait_for_key");
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}
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pr_center(win, y, 0, chbuf, lines, &width);
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wrefresh(win);
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@ -299,7 +299,7 @@ extern int txdlgbox (int maxlines, int ncols, int begin_y, int begin_x,
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widthbufsize - Number of int elements in widthbuf
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format - Format string as described below
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... - Arguments for the format string
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Returns: int - Number of lines actually used, or -1 on error
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Returns: int - Number of lines actually used
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This function converts the format string and following arguments into
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chbuf, a chtype buffer that can be used for calls to pr_left(),
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@ -350,8 +350,7 @@ extern int txdlgbox (int maxlines, int ncols, int begin_y, int begin_x,
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multibyte characters may be split over two lines.
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This function returns the actual number of lines used (from 0 to
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maxlines), or -1 on error (with errno set to EINVAL for an invalid
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format conversion specifier or argument).
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maxlines). If an error is detected, the application terminates.
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*/
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extern int prepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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chtype attr_alt1, chtype attr_alt2, int maxlines,
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@ -372,7 +371,7 @@ extern int prepstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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widthbufsize - Number of int elements in widthbuf
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format - Format string as described for prepstr()
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args - Variable argument list
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Returns: int - Number of lines actually used, or -1 on error
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Returns: int - Number of lines actually used
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This function is exactly the same as prepstr(), except that it is
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called with a va_list parameter args instead of a variable number of
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