forked from xuos/xiuos
114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <limits.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "jerryscript-port.h"
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/**
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* Opens file with the given path and reads its source.
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* @return the source of the file
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*/
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uint8_t *
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jerry_port_read_source (const char *file_name_p, /**< file name */
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size_t *out_size_p) /**< [out] read bytes */
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{
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FILE *file_p = fopen (file_name_p, "rb");
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if (file_p == NULL)
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{
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to open file: %s\n", file_name_p);
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return NULL;
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}
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struct stat info = { };
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fstat(fileno(file_p), &info);
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uint8_t *buffer_p = (uint8_t *) malloc (info.st_size);
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if (buffer_p == NULL)
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{
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fclose (file_p);
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to allocate memory for file: %s\n", file_name_p);
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return NULL;
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}
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size_t bytes_read = fread (buffer_p, 1u, info.st_size, file_p);
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if (bytes_read != info.st_size)
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{
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fclose (file_p);
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free (buffer_p);
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to read file: %s\n", file_name_p);
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return NULL;
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}
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fclose (file_p);
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*out_size_p = bytes_read;
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return buffer_p;
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} /* jerry_port_read_source */
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/**
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* Release the previously opened file's content.
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*/
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void
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jerry_port_release_source (uint8_t *buffer_p) /**< buffer to free */
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{
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free (buffer_p);
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} /* jerry_port_release_source */
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/**
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* Normalize a file path
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*
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* @return length of the path written to the output buffer
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*/
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size_t
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jerry_port_normalize_path (const char *in_path_p, /**< input file path */
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char *out_buf_p, /**< output buffer */
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size_t out_buf_size, /**< size of output buffer */
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char *base_file_p) /**< base file path */
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{
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size_t ret = strlen(base_file_p) + strlen(in_path_p) + 1;
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if (ret < out_buf_size) {
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strcpy (out_buf_p, base_file_p);
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strcat (out_buf_p, "/");
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strcat (out_buf_p, in_path_p);
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return ret;
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}
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return 0;
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} /* jerry_port_normalize_path */
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/**
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* Get the module object of a native module.
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*
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* @return Undefined, if 'name' is not a native module
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* jerry_value_t containing the module object, otherwise
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*/
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jerry_value_t
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jerry_port_get_native_module (jerry_value_t name) /**< module specifier */
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{
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(void) name;
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return jerry_create_undefined ();
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} /* jerry_port_get_native_module */
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