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core: add missing cast to unsigned char on first argument to function isdigit

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This commit is contained in:
Sébastien Helleu
2020-11-19 22:20:48 +01:00
parent 214f4f66d9
commit a2266e4e3f
2 changed files with 13 additions and 8 deletions
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src/gui/gui-color.c
+9 -4
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@@ -683,9 +683,11 @@ gui_color_code_size (const char *string)
break;
case GUI_COLOR_EXTENDED_CHAR:
ptr_string++;
if ((isdigit (ptr_string[0])) && (isdigit (ptr_string[1]))
&& (isdigit (ptr_string[2])) && (isdigit (ptr_string[3]))
&& (isdigit (ptr_string[4])))
if ((isdigit ((unsigned char)ptr_string[0]))
&& (isdigit ((unsigned char)ptr_string[1]))
&& (isdigit ((unsigned char)ptr_string[2]))
&& (isdigit ((unsigned char)ptr_string[3]))
&& (isdigit ((unsigned char)ptr_string[4])))
{
ptr_string += 5;
}
@@ -713,8 +715,11 @@ gui_color_code_size (const char *string)
ptr_string++;
break;
default:
if (isdigit (ptr_string[0]) && isdigit (ptr_string[1]))
if (isdigit ((unsigned char)ptr_string[0])
&& isdigit ((unsigned char)ptr_string[1]))
{
ptr_string += 2;
}
break;
}
return ptr_string - string;