garbage is allowed in the f[re]open mode string
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					 2 changed files with 10 additions and 6 deletions
				
			
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			@ -73,14 +73,16 @@ fopen(const char *name, const char *mode)
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	while (*mode) {
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		switch(*mode++) {
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		case 'b':
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			break;
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			continue;
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		case '+':
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			rwmode = O_RDWR;
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			flags |= _IOREAD | _IOWRITE;
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			break;
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			continue;
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		/* The sequence may be followed by additional characters */
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		default:
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			return (FILE *)NULL;
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			break;
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		}
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		break;
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	}
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	/* Perform a creat() when the file should be truncated or when
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			@ -56,14 +56,16 @@ freopen(const char *name, const char *mode, FILE *stream)
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	while (*mode) {
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		switch(*mode++) {
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		case 'b':
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			break;
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			continue;
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		case '+':
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			rwmode = O_RDWR;
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			flags |= _IOREAD | _IOWRITE;
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			break;
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			continue;
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		/* The sequence may be followed by aditional characters */
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		default:
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			return (FILE *)NULL;
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			break;
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		}
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		break;
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	}
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	if ((rwflags & O_TRUNC)
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