1 /* Copyright (c) 2014, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above
9 * copyright notice, this list of conditions and the following
10 * disclaimer in the documentation and/or other materials provided
11 * with the distribution.
12 * * Neither the name of The Linux Foundation, nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29 #include <stdio.h>
30 #include <string.h>
31 #include <platform_lib_log_util.h>
32 #include <loc_misc_utils.h>
33 #include <ctype.h>
34
35 #define LOG_NDDEBUG 0
36 #define LOG_TAG "LocSvc_misc_utils"
37
loc_util_split_string(char * raw_string,char ** split_strings_ptr,int max_num_substrings,char delimiter)38 int loc_util_split_string(char *raw_string, char **split_strings_ptr,
39 int max_num_substrings, char delimiter)
40 {
41 int raw_string_index=0;
42 int num_split_strings=0;
43 unsigned char end_string=0;
44 int raw_string_length=0;
45
46 if(!raw_string || !split_strings_ptr) {
47 LOC_LOGE("%s:%d]: NULL parameters", __func__, __LINE__);
48 num_split_strings = -1;
49 goto err;
50 }
51 LOC_LOGD("%s:%d]: raw string: %s\n", __func__, __LINE__, raw_string);
52 raw_string_length = strlen(raw_string) + 1;
53 split_strings_ptr[num_split_strings] = &raw_string[raw_string_index];
54 for(raw_string_index=0; raw_string_index < raw_string_length; raw_string_index++) {
55 if(raw_string[raw_string_index] == '\0')
56 end_string=1;
57 if((raw_string[raw_string_index] == delimiter) || end_string) {
58 raw_string[raw_string_index] = '\0';
59 LOC_LOGD("%s:%d]: split string: %s\n",
60 __func__, __LINE__, split_strings_ptr[num_split_strings]);
61 num_split_strings++;
62 if(((raw_string_index + 1) < raw_string_length) &&
63 (num_split_strings < max_num_substrings)) {
64 split_strings_ptr[num_split_strings] = &raw_string[raw_string_index+1];
65 }
66 else {
67 break;
68 }
69 }
70 if(end_string)
71 break;
72 }
73 err:
74 LOC_LOGD("%s:%d]: num_split_strings: %d\n", __func__, __LINE__, num_split_strings);
75 return num_split_strings;
76 }
77
loc_util_trim_space(char * org_string)78 void loc_util_trim_space(char *org_string)
79 {
80 char *scan_ptr, *write_ptr;
81 char *first_nonspace = NULL, *last_nonspace = NULL;
82
83 if(org_string == NULL) {
84 LOC_LOGE("%s:%d]: NULL parameter", __func__, __LINE__);
85 goto err;
86 }
87
88 scan_ptr = write_ptr = org_string;
89
90 while (*scan_ptr) {
91 //Find the first non-space character
92 if ( !isspace(*scan_ptr) && first_nonspace == NULL) {
93 first_nonspace = scan_ptr;
94 }
95 //Once the first non-space character is found in the
96 //above check, keep shifting the characters to the left
97 //to replace the spaces
98 if (first_nonspace != NULL) {
99 *(write_ptr++) = *scan_ptr;
100 //Keep track of which was the last non-space character
101 //encountered
102 //last_nonspace will not be updated in the case where
103 //the string ends with spaces
104 if ( !isspace(*scan_ptr)) {
105 last_nonspace = write_ptr;
106 }
107 }
108 scan_ptr++;
109 }
110 //Add NULL terminator after the last non-space character
111 if (last_nonspace) { *last_nonspace = '\0'; }
112 err:
113 return;
114 }
115