AuroraMiddleware/harfbuzz
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[util] Use HB_FALLTHROUGH

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Sure, gcc knows to warn about this as well:

../../util/options.cc:175:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
     case 1: m.r = m.t;
             ~~~~^~~~~
../../util/options.cc:176:5: note: here
     case 2: m.b = m.t;
     ^~~~

But HOLY SMOKES, look at clang -Weverything bot message:

options.cc:176:5: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
    case 2: m.b = m.t;
    ^
options.cc:176:5: note: insert 'HB_FALLTHROUGH;' to silence this warning
    case 2: m.b = m.t;
    ^
    HB_FALLTHROUGH;

Right, it's telling me to insert "HB_FALLTHROUGH;" there!!!!!!!!!
This commit is contained in:
Behdad Esfahbod 2018-09-30 05:49:08 -04:00
parent 2e728a7d86
commit 9caa432d0c
1 changed files with 5 additions and 5 deletions
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10
util/options.cc
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@ -172,9 +172,9 @@ parse_margin (const char *name G_GNUC_UNUSED,
view_options_t *view_opts = (view_options_t *) data;
view_options_t::margin_t &m = view_opts->margin;
switch (sscanf (arg, "%lf%*[ ,]%lf%*[ ,]%lf%*[ ,]%lf", &m.t, &m.r, &m.b, &m.l)) {
case 1: m.r = m.t;
case 2: m.b = m.t;
case 3: m.l = m.r;
case 1: m.r = m.t; HB_FALLTHROUGH;
case 2: m.b = m.t; HB_FALLTHROUGH;
case 3: m.l = m.r; HB_FALLTHROUGH;
case 4: return true;
default:
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
@ -489,7 +489,7 @@ parse_font_size (const char *name G_GNUC_UNUSED,
return true;
}
switch (sscanf (arg, "%lf%*[ ,]%lf", &font_opts->font_size_x, &font_opts->font_size_y)) {
case 1: font_opts->font_size_y = font_opts->font_size_x;
case 1: font_opts->font_size_y = font_opts->font_size_x; HB_FALLTHROUGH;
case 2: return true;
default:
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
@ -507,7 +507,7 @@ parse_font_ppem (const char *name G_GNUC_UNUSED,
{
font_options_t *font_opts = (font_options_t *) data;
switch (sscanf (arg, "%d%*[ ,]%d", &font_opts->x_ppem, &font_opts->y_ppem)) {
case 1: font_opts->y_ppem = font_opts->x_ppem;
case 1: font_opts->y_ppem = font_opts->x_ppem; HB_FALLTHROUGH;
case 2: return true;
default:
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,