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/* bug-3459.c
A bug in code generation for restoring registers after a builtin call.
*/
#include <testfwk.h>
#pragma disable_warning 85
// Based on code by "Under4Mhz" licensed under GPL 2.0 or later
#include <string.h>
#include <stdint.h>
#include <stdarg.h>
const char TextPunc[] = ":%! ";
#define TEXT_SPACE ( TEXT_PUNC + 3 )
#define TEXT_UPPER ( TEXT_NUM + 10 )
#define TEXT_PUNC ( TEXT_UPPER + 26 )
#define TEXT_NUM ( TEXT_START + 0 )
#define TEXT_START 0
int myprintf( const char *restrict format, ... );
void ImageCompleteText( uint8_t x, uint8_t y, const char *text ) {
while( *text ) {
uint8_t ch = *text++;
uint8_t index = 0;
uint8_t start = TEXT_SPACE;
if ( ch == ' ' ) ;
else{
char *ptr = strchr( TextPunc, ch ); // One of the two bytes of the result of this builtin call got corrupted.
if ( ptr )
{
index = ptr - TextPunc;
start = TEXT_PUNC;
}
}
myprintf( "%d %d %c\n", index, start, ch );
x += 2;
}
}
int myprintf ( const char *restrict format, ... )
{
int index, start, ch;
va_list v;
va_start ( v, format );
index = va_arg ( v, int );
ASSERT (index == 2);
start = va_arg ( v, int );
ASSERT (start == 36);
ch = va_arg ( v, int );
ASSERT (ch == '!');
va_end ( v );
}
void
testBug( void) {
ImageCompleteText(0,0,"!");
}
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