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-rw-r--r--lib/sh/itos.c64
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diff --git a/lib/sh/itos.c b/lib/sh/itos.c
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+++ b/lib/sh/itos.c
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+/* itos.c -- Convert integer to string. */
+
+/* Copyright (C) 1998, Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2, or (at your option) any later
+ version.
+
+ Bash is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with Bash; see the file COPYING. If not, write to the Free Software
+ Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <config.h>
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include "bashansi.h"
+#include "shell.h"
+
+/* Number of characters that can appear in a string representation
+ of an integer. 32 is larger than the string rep of 2^^31 - 1. */
+#define MAX_INT_LEN 32
+
+/* Integer to string conversion. This conses the string; the
+ caller should free it. */
+char *
+itos (i)
+ int i;
+{
+ char buf[MAX_INT_LEN], *p, *ret;
+ int negative = 0;
+ unsigned int ui;
+
+ if (i < 0)
+ {
+ negative++;
+ i = -i;
+ }
+
+ ui = (unsigned int) i;
+
+ p = buf + MAX_INT_LEN - 2;
+ p[1] = '\0';
+
+ do
+ *p-- = (ui % 10) + '0';
+ while (ui /= 10);
+
+ if (negative)
+ *p-- = '-';
+
+ ret = savestring (p + 1);
+ return (ret);
+}