deps: Intl: Check in "small-icu" 57.1

* this commit has "small" ICU 57.1.
See other related commit for tools to generate this commit.

Fixes: https://github.com/nodejs/node/issues/3476
PR-URL: https://github.com/nodejs/node/pull/6088
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/deps/icu-small/source/tools/genrb/rbutil.c b/deps/icu-small/source/tools/genrb/rbutil.c
new file mode 100644
index 0000000000..bbe8624909
--- /dev/null
+++ b/deps/icu-small/source/tools/genrb/rbutil.c
@@ -0,0 +1,111 @@
+/*
+*******************************************************************************
+*
+*   Copyright (C) 1998-2008, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*
+* File util.c
+*
+* Modification History:
+*
+*   Date        Name        Description
+*   06/10/99    stephen     Creation.
+*   02/07/08    Spieth      Correct XLIFF generation on EBCDIC platform
+*
+*******************************************************************************
+*/
+
+#include "unicode/putil.h"
+#include "rbutil.h"
+#include "cmemory.h"
+#include "cstring.h"
+
+
+/* go from "/usr/local/include/curses.h" to "/usr/local/include" */
+void
+get_dirname(char *dirname,
+            const char *filename)
+{
+  const char *lastSlash = uprv_strrchr(filename, U_FILE_SEP_CHAR) + 1;
+
+  if(lastSlash>filename) {
+    uprv_strncpy(dirname, filename, (lastSlash - filename));
+    *(dirname + (lastSlash - filename)) = '\0';
+  } else {
+    *dirname = '\0';
+  }
+}
+
+/* go from "/usr/local/include/curses.h" to "curses" */
+void
+get_basename(char *basename,
+             const char *filename)
+{
+  /* strip off any leading directory portions */
+  const char *lastSlash = uprv_strrchr(filename, U_FILE_SEP_CHAR) + 1;
+  char *lastDot;
+
+  if(lastSlash>filename) {
+    uprv_strcpy(basename, lastSlash);
+  } else {
+    uprv_strcpy(basename, filename);
+  }
+
+  /* strip off any suffix */
+  lastDot = uprv_strrchr(basename, '.');
+
+  if(lastDot != NULL) {
+    *lastDot = '\0';
+  }
+}
+
+#define MAX_DIGITS 10
+int32_t
+itostr(char * buffer, int32_t i, uint32_t radix, int32_t pad)
+{
+    const char digits[16] = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
+    int32_t length = 0;
+    int32_t num = 0;
+    int32_t save = i;
+    int digit;
+    int32_t j;
+    char temp;
+
+    /* if i is negative make it positive */
+    if(i<0){
+        i=-i;
+    }
+
+    do{
+        digit = (int)(i % radix);
+        buffer[length++]= digits[digit];
+        i=i/radix;
+    } while(i);
+
+    while (length < pad){
+        buffer[length++] = '0';/*zero padding */
+    }
+
+    /* if i is negative add the negative sign */
+    if(save < 0){
+        buffer[length++]='-';
+    }
+
+    /* null terminate the buffer */
+    if(length<MAX_DIGITS){
+        buffer[length] =  0x0000;
+    }
+
+    num= (pad>=length) ? pad :length;
+
+
+    /* Reverses the string */
+    for (j = 0; j < (num / 2); j++){
+        temp = buffer[(length-1) - j];
+        buffer[(length-1) - j] = buffer[j];
+        buffer[j] = temp;
+    }
+    return length;
+}