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Add null check 

Also use more consistent variable naming
This commit is contained in:
jeffman 2018-12-01 00:44:50 -05:00
parent 6a52aafb6d
commit ba28534e5a
1 changed files with 5 additions and 2 deletions
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7
compiled/vwf.c
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@ -258,8 +258,11 @@ void weld_entry_custom(WINDOW *window, byte *str, int font, int foreground)
// x, y: pixels
int print_string(byte *str, int x, int y)
{
if (str == NULL)
return 0;
byte chr;
int initialX = x;
int initial_x = x;
int charCount = 0;
while (str[1] != 0xFF)
@ -268,7 +271,7 @@ int print_string(byte *str, int x, int y)
charCount++;
}
int totalWidth = x - initialX;
int totalWidth = x - initial_x;
return (charCount & 0xFFFF) | (totalWidth << 16);
}