6736ef96ea
The next revision, 19185, renames several runtime files, and will be handled in a separate change. From-SVN: r211328
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* go-string-to-int-array.c -- convert a string to an array of ints in Go.
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Copyright 2010 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 "runtime.h"
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#include "go-alloc.h"
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#include "go-string.h"
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#include "array.h"
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#include "arch.h"
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#include "malloc.h"
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struct __go_open_array
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__go_string_to_int_array (String str)
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{
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size_t c;
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const unsigned char *p;
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const unsigned char *pend;
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uintptr mem;
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uint32_t *data;
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uint32_t *pd;
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struct __go_open_array ret;
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c = 0;
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p = str.str;
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pend = p + str.len;
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while (p < pend)
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{
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int rune;
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++c;
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p += __go_get_rune (p, pend - p, &rune);
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}
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if (c > MaxMem / sizeof (uint32_t))
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runtime_throw ("out of memory");
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mem = runtime_roundupsize (c * sizeof (uint32_t));
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data = (uint32_t *) runtime_mallocgc (mem, 0, FlagNoScan | FlagNoZero);
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p = str.str;
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pd = data;
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while (p < pend)
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{
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int rune;
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p += __go_get_rune (p, pend - p, &rune);
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*pd++ = rune;
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}
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if (mem > (uintptr) c * sizeof (uint32_t))
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__builtin_memset (data + c, 0, mem - (uintptr) c * sizeof (uint32_t));
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ret.__values = (void *) data;
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ret.__count = c;
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ret.__capacity = (intgo) (mem / sizeof (uint32_t));
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return ret;
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}
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