1 files changed, 0 insertions, 141 deletions
diff --git a/ext/psych/yaml/writer.c b/ext/psych/yaml/writer.c
deleted file mode 100644
index 5d57f392f1..0000000000
--- a/ext/psych/yaml/writer.c
+++ /dev/null
@@ -1,141 +0,0 @@
-
-#include "yaml_private.h"
-
-/*
- * Declarations.
- */
-
-static int
-yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem);
-
-YAML_DECLARE(int)
-yaml_emitter_flush(yaml_emitter_t *emitter);
-
-/*
- * Set the writer error and return 0.
- */
-
-static int
-yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem)
-{
-    emitter->error = YAML_WRITER_ERROR;
-    emitter->problem = problem;
-
-    return 0;
-}
-
-/*
- * Flush the output buffer.
- */
-
-YAML_DECLARE(int)
-yaml_emitter_flush(yaml_emitter_t *emitter)
-{
-    int low, high;
-
-    assert(emitter);    /* Non-NULL emitter object is expected. */
-    assert(emitter->write_handler); /* Write handler must be set. */
-    assert(emitter->encoding);  /* Output encoding must be set. */
-
-    emitter->buffer.last = emitter->buffer.pointer;
-    emitter->buffer.pointer = emitter->buffer.start;
-
-    /* Check if the buffer is empty. */
-
-    if (emitter->buffer.start == emitter->buffer.last) {
-        return 1;
-    }
-
-    /* If the output encoding is UTF-8, we don't need to recode the buffer. */
-
-    if (emitter->encoding == YAML_UTF8_ENCODING)
-    {
-        if (emitter->write_handler(emitter->write_handler_data,
-                    emitter->buffer.start,
-                    emitter->buffer.last - emitter->buffer.start)) {
-            emitter->buffer.last = emitter->buffer.start;
-            emitter->buffer.pointer = emitter->buffer.start;
-            return 1;
-        }
-        else {
-            return yaml_emitter_set_writer_error(emitter, "write error");
-        }
-    }
-
-    /* Recode the buffer into the raw buffer. */
-
-    low = (emitter->encoding == YAML_UTF16LE_ENCODING ? 0 : 1);
-    high = (emitter->encoding == YAML_UTF16LE_ENCODING ? 1 : 0);
-
-    while (emitter->buffer.pointer != emitter->buffer.last)
-    {
-        unsigned char octet;
-        unsigned int width;
-        unsigned int value;
-        size_t k;
-
-        /*
-         * See the "reader.c" code for more details on UTF-8 encoding.  Note
-         * that we assume that the buffer contains a valid UTF-8 sequence.
-         */
-
-        /* Read the next UTF-8 character. */
-
-        octet = emitter->buffer.pointer[0];
-
-        width = (octet & 0x80) == 0x00 ? 1 :
-                (octet & 0xE0) == 0xC0 ? 2 :
-                (octet & 0xF0) == 0xE0 ? 3 :
-                (octet & 0xF8) == 0xF0 ? 4 : 0;
-
-        value = (octet & 0x80) == 0x00 ? octet & 0x7F :
-                (octet & 0xE0) == 0xC0 ? octet & 0x1F :
-                (octet & 0xF0) == 0xE0 ? octet & 0x0F :
-                (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
-
-        for (k = 1; k < width; k ++) {
-            octet = emitter->buffer.pointer[k];
-            value = (value << 6) + (octet & 0x3F);
-        }
-
-        emitter->buffer.pointer += width;
-
-        /* Write the character. */
-
-        if (value < 0x10000)
-        {
-            emitter->raw_buffer.last[high] = value >> 8;
-            emitter->raw_buffer.last[low] = value & 0xFF;
-
-            emitter->raw_buffer.last += 2;
-        }
-        else
-        {
-            /* Write the character using a surrogate pair (check "reader.c"). */
-
-            value -= 0x10000;
-            emitter->raw_buffer.last[high] = 0xD8 + (value >> 18);
-            emitter->raw_buffer.last[low] = (value >> 10) & 0xFF;
-            emitter->raw_buffer.last[high+2] = 0xDC + ((value >> 8) & 0xFF);
-            emitter->raw_buffer.last[low+2] = value & 0xFF;
-
-            emitter->raw_buffer.last += 4;
-        }
-    }
-
-    /* Write the raw buffer. */
-
-    if (emitter->write_handler(emitter->write_handler_data,
-                emitter->raw_buffer.start,
-                emitter->raw_buffer.last - emitter->raw_buffer.start)) {
-        emitter->buffer.last = emitter->buffer.start;
-        emitter->buffer.pointer = emitter->buffer.start;
-        emitter->raw_buffer.last = emitter->raw_buffer.start;
-        emitter->raw_buffer.pointer = emitter->raw_buffer.start;
-        return 1;
-    }
-    else {
-        return yaml_emitter_set_writer_error(emitter, "write error");
-    }
-}
-