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115 lines
4.4 KiB
115 lines
4.4 KiB
4 months ago
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/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation, nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <platform_lib_log_util.h>
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#include <loc_misc_utils.h>
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#include <ctype.h>
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#define LOG_NDDEBUG 0
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#define LOG_TAG "LocSvc_misc_utils"
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int loc_util_split_string(char *raw_string, char **split_strings_ptr,
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int max_num_substrings, char delimiter)
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{
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int raw_string_index=0;
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int num_split_strings=0;
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unsigned char end_string=0;
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int raw_string_length=0;
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if(!raw_string || !split_strings_ptr) {
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LOC_LOGE("%s:%d]: NULL parameters", __func__, __LINE__);
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num_split_strings = -1;
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goto err;
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}
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LOC_LOGD("%s:%d]: raw string: %s\n", __func__, __LINE__, raw_string);
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raw_string_length = strlen(raw_string) + 1;
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split_strings_ptr[num_split_strings] = &raw_string[raw_string_index];
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for(raw_string_index=0; raw_string_index < raw_string_length; raw_string_index++) {
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if(raw_string[raw_string_index] == '\0')
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end_string=1;
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if((raw_string[raw_string_index] == delimiter) || end_string) {
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raw_string[raw_string_index] = '\0';
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LOC_LOGD("%s:%d]: split string: %s\n",
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__func__, __LINE__, split_strings_ptr[num_split_strings]);
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num_split_strings++;
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if(((raw_string_index + 1) < raw_string_length) &&
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(num_split_strings < max_num_substrings)) {
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split_strings_ptr[num_split_strings] = &raw_string[raw_string_index+1];
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}
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else {
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break;
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}
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}
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if(end_string)
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break;
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}
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err:
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LOC_LOGD("%s:%d]: num_split_strings: %d\n", __func__, __LINE__, num_split_strings);
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return num_split_strings;
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}
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void loc_util_trim_space(char *org_string)
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{
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char *scan_ptr, *write_ptr;
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char *first_nonspace = NULL, *last_nonspace = NULL;
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if(org_string == NULL) {
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LOC_LOGE("%s:%d]: NULL parameter", __func__, __LINE__);
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goto err;
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}
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scan_ptr = write_ptr = org_string;
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while (*scan_ptr) {
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//Find the first non-space character
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if ( !isspace(*scan_ptr) && first_nonspace == NULL) {
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first_nonspace = scan_ptr;
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}
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//Once the first non-space character is found in the
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//above check, keep shifting the characters to the left
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//to replace the spaces
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if (first_nonspace != NULL) {
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*(write_ptr++) = *scan_ptr;
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//Keep track of which was the last non-space character
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//encountered
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//last_nonspace will not be updated in the case where
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//the string ends with spaces
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if ( !isspace(*scan_ptr)) {
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last_nonspace = write_ptr;
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}
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}
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scan_ptr++;
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}
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//Add NULL terminator after the last non-space character
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if (last_nonspace) { *last_nonspace = '\0'; }
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err:
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return;
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}
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