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StThemeNode: suppress compiler warnings and fix minor bugs

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Aggressive compiler flags can cause the compiler to be smart enough
to inline functions and detect variables not being set on certain
code paths but not smart enough to understand the overall logic;
add some extra initializations to suppress the warnings.

Fix several minor bugs in the logic found when double checking the
logic before adding the initializations.

Based on a patch by Marc-Antoine Perennou <Marc-Antoine@Perennou.com>.

https://bugzilla.gnome.org/show_bug.cgi?id=634225
This commit is contained in:
Owen W. Taylor 2010-11-14 13:33:48 -05:00
parent 71685a3b48
commit 1fce237538
1 changed files with 16 additions and 12 deletions
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28
src/st/st-theme-node.c
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@ -718,7 +718,7 @@ get_length_from_term (StThemeNode *node,
if (term->type != TERM_NUMBER)
{
g_warning ("Ignoring length property that isn't a number");
return FALSE;
return VALUE_NOT_FOUND;
}
num = term->content.num;
@ -859,7 +859,7 @@ get_length_from_term_int (StThemeNode *node,
GetFromTermResult result;
result = get_length_from_term (node, term, use_parent_font, &value);
if (result != VALUE_NOT_FOUND)
if (result == VALUE_FOUND)
*length = (int) (0.5 + value);
return result;
}
@ -1053,7 +1053,7 @@ do_border_property (StThemeNode *node,
StSide side = (StSide)-1;
ClutterColor color;
gboolean color_set = FALSE;
int width;
int width = 0; /* suppress warning */
gboolean width_set = FALSE;
int j;
@ -1098,7 +1098,8 @@ do_border_property (StThemeNode *node,
const char *ident = term->content.str->stryng->str;
if (strcmp (ident, "none") == 0 || strcmp (ident, "hidden") == 0)
{
width = 0.;
width = 0;
width_set = TRUE;
continue;
}
else if (strcmp (ident, "solid") == 0)
@ -1185,7 +1186,7 @@ do_outline_property (StThemeNode *node,
const char *property_name = decl->property->stryng->str + 7; /* Skip 'outline' */
ClutterColor color;
gboolean color_set = FALSE;
int width;
int width = 0; /* suppress warning */
gboolean width_set = FALSE;
if (strcmp (property_name, "") == 0)
@ -1202,7 +1203,8 @@ do_outline_property (StThemeNode *node,
const char *ident = term->content.str->stryng->str;
if (strcmp (ident, "none") == 0 || strcmp (ident, "hidden") == 0)
{
width = 0.;
width = 0;
width_set = TRUE;
continue;
}
else if (strcmp (ident, "solid") == 0)
@ -2234,17 +2236,19 @@ font_variant_from_term (CRTerm *term,
const PangoFontDescription *
st_theme_node_get_font (StThemeNode *node)
{
PangoStyle font_style;
/* Initialized despite _set flags to suppress compiler warnings */
PangoStyle font_style = PANGO_STYLE_NORMAL;
gboolean font_style_set = FALSE;
PangoVariant variant;
PangoVariant variant = PANGO_VARIANT_NORMAL;
gboolean variant_set = FALSE;
PangoWeight weight;
gboolean weight_absolute;
PangoWeight weight = PANGO_WEIGHT_NORMAL;
gboolean weight_absolute = TRUE;
gboolean weight_set = FALSE;
double parent_size;
double size = 0.; /* Suppress warning */
double size = 0.;
gboolean size_set = FALSE;
char *family = NULL;
double parent_size;
int i;
if (node->font_desc)