diff options
Diffstat (limited to 'udrv/ulinux/unv_linux.c')
| -rw-r--r-- | udrv/ulinux/unv_linux.c | 204 |
1 files changed, 102 insertions, 102 deletions
diff --git a/udrv/ulinux/unv_linux.c b/udrv/ulinux/unv_linux.c index 6737ca0..dc79fa4 100644 --- a/udrv/ulinux/unv_linux.c +++ b/udrv/ulinux/unv_linux.c @@ -3,44 +3,44 @@ * Copyright (C) 2009-2012 Broadcom Corporation * * This program is the proprietary software of Broadcom Corporation and/or its - * licensors, and may only be used, duplicated, modified or distributed - * pursuant to the terms and conditions of a separate, written license - * agreement executed between you and Broadcom (an "Authorized License"). - * Except as set forth in an Authorized License, Broadcom grants no license - * (express or implied), right to use, or waiver of any kind with respect to - * the Software, and Broadcom expressly reserves all rights in and to the - * Software and all intellectual property rights therein. - * IF YOU HAVE NO AUTHORIZED LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS - * SOFTWARE IN ANY WAY, AND SHOULD IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE - * ALL USE OF THE SOFTWARE. + * licensors, and may only be used, duplicated, modified or distributed + * pursuant to the terms and conditions of a separate, written license + * agreement executed between you and Broadcom (an "Authorized License"). + * Except as set forth in an Authorized License, Broadcom grants no license + * (express or implied), right to use, or waiver of any kind with respect to + * the Software, and Broadcom expressly reserves all rights in and to the + * Software and all intellectual property rights therein. + * IF YOU HAVE NO AUTHORIZED LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS + * SOFTWARE IN ANY WAY, AND SHOULD IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE + * ALL USE OF THE SOFTWARE. * * Except as expressly set forth in the Authorized License, * - * 1. This program, including its structure, sequence and organization, - * constitutes the valuable trade secrets of Broadcom, and you shall - * use all reasonable efforts to protect the confidentiality thereof, - * and to use this information only in connection with your use of + * 1. This program, including its structure, sequence and organization, + * constitutes the valuable trade secrets of Broadcom, and you shall + * use all reasonable efforts to protect the confidentiality thereof, + * and to use this information only in connection with your use of * Broadcom integrated circuit products. * - * 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED - * "AS IS" AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, - * REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, - * OR OTHERWISE, WITH RESPECT TO THE SOFTWARE. BROADCOM SPECIFICALLY - * DISCLAIMS ANY AND ALL IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY, - * NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES, - * ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED + * "AS IS" AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, + * REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, + * OR OTHERWISE, WITH RESPECT TO THE SOFTWARE. BROADCOM SPECIFICALLY + * DISCLAIMS ANY AND ALL IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY, + * NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES, + * ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR * CORRESPONDENCE TO DESCRIPTION. YOU ASSUME THE ENTIRE RISK ARISING OUT * OF USE OR PERFORMANCE OF THE SOFTWARE. * * 3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR - * ITS LICENSORS BE LIABLE FOR - * (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT, OR EXEMPLARY - * DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO - * YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM - * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR - * (ii) ANY AMOUNT IN EXCESS OF THE AMOUNT ACTUALLY PAID FOR THE - * SOFTWARE ITSELF OR U.S. $1, WHICHEVER IS GREATER. THESE - * LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF + * ITS LICENSORS BE LIABLE FOR + * (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT, OR EXEMPLARY + * DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO + * YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM + * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR + * (ii) ANY AMOUNT IN EXCESS OF THE AMOUNT ACTUALLY PAID FOR THE + * SOFTWARE ITSELF OR U.S. $1, WHICHEVER IS GREATER. THESE + * LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF * ESSENTIAL PURPOSE OF ANY LIMITED REMEDY. * ************************************************************************************/ @@ -50,11 +50,11 @@ * Filename: unv_linux.c * * Description: Universal NV Ram API. - * Manages all non volatile (file) database entries used by + * Manages all non volatile (file) database entries used by * bluetooth upper layer stack. - * + * ***********************************************************************************/ - + #include "unv.h" #include <stdio.h> @@ -68,7 +68,7 @@ #include <sys/mman.h> #include <stdlib.h> #include <sys/prctl.h> -#include <pthread.h> +#include <pthread.h> #define LOG_TAG "UNV_LINUX" #include <utils/Log.h> @@ -118,7 +118,7 @@ /******************************************************************************* ** -** Function check_caller_context +** Function check_caller_context ** ** Description Checks pthread name of caller. Currently only BTIF thread ** is allowed to call in here to avoid multithreading issues @@ -132,7 +132,7 @@ static int check_caller_context(void) char name[16]; prctl(PR_GET_NAME, name, 0, 0, 0); - + if (strncmp(name, BTIF_TASK_STR, strlen(BTIF_TASK_STR)) != 0) { error("only btif context allowed (%s)", name); @@ -143,7 +143,7 @@ static int check_caller_context(void) /******************************************************************************* ** -** Function mk_dir +** Function mk_dir ** ** Description Create directory ** @@ -154,7 +154,7 @@ static int check_caller_context(void) static int mk_dir(const char *path) { struct stat st; - + if (stat(path, &st) == 0) { if (!S_ISDIR(st.st_mode)) @@ -163,11 +163,11 @@ static int mk_dir(const char *path) error("directory path %s is not a directory (%s)", path, strerror(errno)); return -1; } - + /* already exist */ - return 0; - } - + return 0; + } + /* no existing dir path, try creating it */ if (mkdir(path, DIR_MODE) != 0) { @@ -197,7 +197,7 @@ static int rm_dir(const char *path) error("rmdir %s failed (%s)", path, strerror(errno)); return -1; } - return 0; + return 0; } /******************************************************************************* @@ -210,8 +210,8 @@ static int rm_dir(const char *path) ** *******************************************************************************/ -static int write_keyval( int fd, - const char *key, +static int write_keyval( int fd, + const char *key, const char *val ) { int len = 0; @@ -230,16 +230,16 @@ static int write_keyval( int fd, error("alloc failed (%s)", strerror(errno)); return -1; } - + len = sprintf(line, "%s %s%s", key, val, UNV_DELIM); - //info("write_keyval %s %s (%d bytes)", key, val, len); + //info("write_keyval %s %s (%d bytes)", key, val, len); /* update line */ written = write(fd, line, len); free(line); - + return written; } @@ -258,10 +258,10 @@ static int write_keyval( int fd, ** *******************************************************************************/ -static int update_key( int fd, - const char *key, - const char *value, - int pos_start, +static int update_key( int fd, + const char *key, + const char *value, + int pos_start, int pos_stop ) { char *line; @@ -278,7 +278,7 @@ static int update_key( int fd, { verbose("remove key [%s]", key); } - + /* update file with new value for this key */ if (fstat(fd, &st) != 0) @@ -286,7 +286,7 @@ static int update_key( int fd, error("stat failed (%s)", strerror(errno)); return -1; } - + tail_sz = st.st_size-pos_stop; if (tail_sz > 0) @@ -312,7 +312,7 @@ static int update_key( int fd, } /* rewind and update new line */ - lseek(fd, pos_start, SEEK_SET); + lseek(fd, pos_start, SEEK_SET); len = pos_start; /* a null key means remove entry */ @@ -320,14 +320,14 @@ static int update_key( int fd, { len += write_keyval(fd, key, value); } - + /* write tail content */ if (p_tail) { len += write(fd, p_tail, tail_sz); free(p_tail); } - + /* finally truncate file to new length */ ftruncate(fd, len); @@ -345,18 +345,18 @@ static int update_key( int fd, ** key : string to search for in keyfile ** p_out : output buffer supplied by caller ** out_len : max length of output line buffer -** pos_begin : returns keyvalue start offset in file +** pos_begin : returns keyvalue start offset in file ** pos_end : returns keyvalue end offset in file -** +** ** Returns String of key value, NULL if not found ** ******************************************************************************/ static char *get_keyval( int fd, - const char *key, + const char *key, char *p_out, int out_len, - int *pos_begin, + int *pos_begin, int *pos_end) { char *p_value = NULL; @@ -373,7 +373,7 @@ static char *get_keyval( int fd, p_buf = malloc(st.st_size + 1); - if (!p_buf) + if (!p_buf) return NULL; p = p_buf; @@ -387,9 +387,9 @@ static char *get_keyval( int fd, /* tokenize first line */ line = strtok(p, UNV_DELIM); - + while (line && (p_value == NULL)) - { + { /* check for match */ if (strncmp(line, key, strlen(key)) == 0) { @@ -409,25 +409,25 @@ static char *get_keyval( int fd, p_value = p_out; /* should be ok to just strcpy from 'line' as - * strrok shall null-terminate the token + * strrok shall null-terminate the token * in the above call */ strcpy(p_value, line); verbose("found [%s=%s]", key, p_value); - + if (pos_end) *pos_end = (line-p_buf) + strlen(line) + strlen(UNV_DELIM); } /* check next line */ - line = strtok(NULL, UNV_DELIM); + line = strtok(NULL, UNV_DELIM); } - + free(p_buf); /* rewind */ lseek(fd, 0, SEEK_SET); - + return p_value; } @@ -446,7 +446,7 @@ static char *get_keyval( int fd, ** ** Function unv_create_directory ** -** Description Creates directory, if full path is not available it +** Description Creates directory, if full path is not available it ** will construct it. Must be called from BTIF task context. ** ** Parameters @@ -467,14 +467,14 @@ int unv_create_directory(const char *path) if (check_caller_context() == 0) return -1; - + /* assumes absolute paths */ if (strncmp(path, "./", 2) == 0) { error("%s not an absolute path", path); return -1; } - + /* try creating dir directly */ if (mk_dir(path) == 0) return 0; @@ -493,11 +493,11 @@ int unv_create_directory(const char *path) p = strchr(p_copy+1, '/'); /* skip root */ while ((status == 0) && p) - { - /* - * temporarily null terminate to allow creating + { + /* + * temporarily null terminate to allow creating * directories up to this point - */ + */ *p= '\0'; status = mk_dir(p_copy); *p= '/'; @@ -519,7 +519,7 @@ int unv_create_directory(const char *path) ** Parameters ** filename : file path to be created ** -** Returns 0 if successful, -1 if failure +** Returns 0 if successful, -1 if failure ** *******************************************************************************/ @@ -534,7 +534,7 @@ int unv_create_file(const char *filename) /* separate path from filename */ p = strrchr(path, '/'); - + if (p) { *p = '\0'; @@ -544,21 +544,21 @@ int unv_create_file(const char *filename) return -1; } } - + free(path); - + verbose("CREATE FILE %s", filename); - + fd = open(filename, O_RDWR|O_CREAT, FILE_MODE); - if (fd < 0) + if (fd < 0) { error("file failed to create %s errno: (%s)", filename, strerror(errno)); return -1; } close(fd); - + return 0; } @@ -581,14 +581,14 @@ int unv_create_file(const char *filename) ** ******************************************************************************/ -char* unv_read_key( const char *path, +char* unv_read_key( const char *path, const char *key, char *p_out, int out_len) { int fd; char *p_search; - + verbose("READ KEY [%s]", key); /* sanity check */ @@ -597,7 +597,7 @@ char* unv_read_key( const char *path, if (check_caller_context() == 0) return NULL; - + fd = open(path, O_RDONLY, FILE_MODE); if (fd < 0) { @@ -608,7 +608,7 @@ char* unv_read_key( const char *path, p_search = get_keyval(fd, key, p_out, out_len, NULL, NULL); close(fd); - + return p_search; } @@ -629,8 +629,8 @@ char* unv_read_key( const char *path, ** *******************************************************************************/ -int unv_read_key_iter( const char *path, - unv_iter_cb cb, +int unv_read_key_iter( const char *path, + unv_iter_cb cb, void *userdata ) { int fd; @@ -703,7 +703,7 @@ int unv_read_key_iter( const char *path, ** ** Function unv_write_key ** -** Description Writes key to file. If key value exists it will be updated +** Description Writes key to file. If key value exists it will be updated ** Path must be an existing absolute path ** Must be called from BTIF task context ** @@ -712,12 +712,12 @@ int unv_read_key_iter( const char *path, ** key : key string to write ** value : value string to set for this key ** -** Returns 0 if successful, -1 if failure +** Returns 0 if successful, -1 if failure ** *******************************************************************************/ -int unv_write_key( const char *path, - const char *key, +int unv_write_key( const char *path, + const char *key, const char *value ) { int fd; @@ -737,7 +737,7 @@ int unv_write_key( const char *path, fd = open(path, O_RDWR, FILE_MODE); - if (fd < 0) + if (fd < 0) { error("file failed to create %s (%s)", path, strerror(errno)); return -1; @@ -748,18 +748,18 @@ int unv_write_key( const char *path, if (keyval) { - update_key(fd, key, value, pos_start, pos_stop); + update_key(fd, key, value, pos_start, pos_stop); } else { /* append at end of file */ lseek(fd, 0, SEEK_END); write_keyval(fd, key, value); - } + } free(p_line); close(fd); - + return 0; } @@ -779,7 +779,7 @@ int unv_write_key( const char *path, ** *******************************************************************************/ -int unv_remove_key( const char *path, +int unv_remove_key( const char *path, const char *key ) { int fd; @@ -787,7 +787,7 @@ int unv_remove_key( const char *path, int pos_begin = 0; int pos_stop = 0; char *p_line = malloc(UNV_MAXLINE_LENGTH); - + verbose("READ KEY [%s]", key); /* sanity check */ @@ -796,7 +796,7 @@ int unv_remove_key( const char *path, if (check_caller_context() == 0) return -1; - + fd = open(path, O_RDWR, FILE_MODE); if (fd < 0) { @@ -804,14 +804,14 @@ int unv_remove_key( const char *path, return -1; } - p_search = get_keyval(fd, key, p_line, UNV_MAXLINE_LENGTH, &pos_begin, &pos_stop); + p_search = get_keyval(fd, key, p_line, UNV_MAXLINE_LENGTH, &pos_begin, &pos_stop); if (p_search) { /* NULL value entry means remove key/val line in file */ - update_key(fd, key, NULL, pos_begin, pos_stop); + update_key(fd, key, NULL, pos_begin, pos_stop); } - + return (p_search ? 0 : -1); } |