summaryrefslogtreecommitdiffstats
path: root/intl/icu/source/common/ustrfmt.c
diff options
context:
space:
mode:
Diffstat (limited to 'intl/icu/source/common/ustrfmt.c')
-rw-r--r--intl/icu/source/common/ustrfmt.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/intl/icu/source/common/ustrfmt.c b/intl/icu/source/common/ustrfmt.c
new file mode 100644
index 000000000..c7805d8d2
--- /dev/null
+++ b/intl/icu/source/common/ustrfmt.c
@@ -0,0 +1,59 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+* Copyright (C) 2001-2006, International Business Machines
+* Corporation and others. All Rights Reserved.
+**********************************************************************
+*/
+
+#include "cstring.h"
+#include "ustrfmt.h"
+
+
+/***
+ * Fills in a UChar* string with the radix-based representation of a
+ * uint32_t number padded with zeroes to minwidth. The result
+ * will be null terminated if there is room.
+ *
+ * @param buffer UChar buffer to receive result
+ * @param capacity capacity of buffer
+ * @param i the unsigned number to be formatted
+ * @param radix the radix from 2..36
+ * @param minwidth the minimum width. If the result is narrower than
+ * this, '0's will be added on the left. Must be <=
+ * capacity.
+ * @return the length of the result, not including any terminating
+ * null
+ */
+U_CAPI int32_t U_EXPORT2
+uprv_itou (UChar * buffer, int32_t capacity,
+ uint32_t i, uint32_t radix, int32_t minwidth)
+{
+ int32_t length = 0;
+ int digit;
+ int32_t j;
+ UChar temp;
+
+ do{
+ digit = (int)(i % radix);
+ buffer[length++]=(UChar)(digit<=9?(0x0030+digit):(0x0030+digit+7));
+ i=i/radix;
+ } while(i && length<capacity);
+
+ while (length < minwidth){
+ buffer[length++] = (UChar) 0x0030;/*zero padding */
+ }
+ /* null terminate the buffer */
+ if(length<capacity){
+ buffer[length] = (UChar) 0x0000;
+ }
+
+ /* Reverses the string */
+ for (j = 0; j < (length / 2); j++){
+ temp = buffer[(length-1) - j];
+ buffer[(length-1) - j] = buffer[j];
+ buffer[j] = temp;
+ }
+ return length;
+}