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27 lines
605 B
C
27 lines
605 B
C
/* go-strslice.c -- the go string slice function.
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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#include "go-panic.h"
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#include "runtime.h"
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#include "arch.h"
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#include "malloc.h"
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String
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__go_string_slice (String s, intgo start, intgo end)
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{
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intgo len;
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String ret;
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len = s.len;
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if (end == -1)
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end = len;
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if (start > len || end < start || end > len)
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runtime_panicstring ("string index out of bounds");
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ret.str = s.str + start;
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ret.len = end - start;
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return ret;
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}
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