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Catch attempts to print NULL strings

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This commit is contained in:
Michael Brown 2006-12-19 22:33:42 +00:00
parent 1bc3514bd8
commit 19e1d674d3
1 changed files with 2 additions and 0 deletions
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2
src/core/vsprintf.c
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@ -219,6 +219,8 @@ size_t vcprintf ( struct printf_context *ctx, const char *fmt, va_list args ) {
cputchar ( ctx, va_arg ( args, unsigned int ) );
} else if ( *fmt == 's' ) {
ptr = va_arg ( args, char * );
if ( ! ptr )
ptr = "<NULL>";
} else if ( *fmt == 'p' ) {
intptr_t ptrval;