137 lines
4.7 KiB
C
Executable File
137 lines
4.7 KiB
C
Executable File
/*
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* Copyright (c) 2013-2018, Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors may be
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* used to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "guest_utils.h"
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#include "guest_debug.h"
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#include <ctype.h>
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#include <string.h>
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// ****************************************************************************
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// Guest Utilities - Trim
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// ======================
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char* guest_utils_trim( char* str, char* discard )
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{
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int len;
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int max_len;
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if (NULL == str)
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return NULL;
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// Remove leading characters
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max_len = strlen(str);
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for (len=0; max_len > len; ++len)
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{
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if (isspace(*str) || '\n' == *str)
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++str;
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else if ((NULL != discard) && (NULL != strchr(discard, *str)))
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++str;
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}
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// Remove trailing characters
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for (len=strlen(str)-1; 0 <= len; --len)
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{
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if (isspace(str[len]) || '\n' == str[len])
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str[len] = '\0';
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else if ((NULL != discard) && (NULL != strchr(discard, str[len])))
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str[len] = '\0';
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}
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return str;
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Utilities - Base Name
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// ===========================
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char* guest_utils_basename( char* str )
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{
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const char* basename = str;
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while ('\0' != *str)
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{
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if (*str++ == '/')
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basename = str;
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}
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return (char*) basename;
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Utilities - Get JSON Value from Key
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// return 0 if success, -1 if fail.
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// =========================================
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int guest_utils_json_get_value( struct json_object* jobj,
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const char* key, void * value )
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{
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struct json_object *jobj_value;
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if (!json_object_object_get_ex(jobj, key, &jobj_value))
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{
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DPRINTFE("failed to parse %s\n", key);
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return -1;
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}
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enum json_type type = json_object_get_type(jobj_value);
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switch(type)
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{
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case json_type_boolean:
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*(unsigned int *)value = json_object_get_boolean(jobj_value);
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break;
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case json_type_int:
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*(unsigned int *)value = json_object_get_int(jobj_value);
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break;
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case json_type_double:
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*(double *)value = json_object_get_double(jobj_value);
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break;
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case json_type_string:
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strcpy(value, json_object_get_string(jobj_value));
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break;
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default:
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DPRINTFE("failed to parse %s, type %d is not supported\n", key, type);
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return -1;
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break;
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}
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return 0;
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Utilities - replace newline with space
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// ======================
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char* guest_utils_remove_newline( char* str)
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{
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char match = '\n';
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char replace = ' ';
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char *match_found = strchr(str, match);
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while (match_found){
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*match_found = replace;
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match_found = strchr(match_found+1, match);
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}
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return str;
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}
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// ****************************************************************************
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