1 /* 2 * Copyright (c) 2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include "qdf_mem.h" 20 #include "qdf_module.h" 21 #include "qdf_str.h" 22 #include "qdf_trace.h" 23 24 QDF_STATUS qdf_str_dup(char **dest, const char *src) 25 { 26 qdf_size_t size; 27 char *dup; 28 29 *dest = NULL; 30 31 QDF_BUG(src); 32 if (!src) 33 return QDF_STATUS_E_INVAL; 34 35 /* size = length + null-terminator */ 36 size = qdf_str_len(src) + 1; 37 dup = qdf_mem_malloc(size); 38 if (!dup) 39 return QDF_STATUS_E_NOMEM; 40 41 qdf_mem_copy(dup, src, size); 42 *dest = dup; 43 44 return QDF_STATUS_SUCCESS; 45 } 46 qdf_export_symbol(qdf_str_dup); 47 48 void qdf_str_right_trim(char *str) 49 { 50 char *end = str + qdf_str_len(str) - 1; 51 52 while (end >= str && qdf_is_space(*end)) 53 end--; 54 55 end[1] = '\0'; 56 } 57 qdf_export_symbol(qdf_str_right_trim); 58 59