diff options
| -rw-r--r-- | minadbd/Android.mk | 1 | ||||
| -rw-r--r-- | minadbd/utils.c | 106 | ||||
| -rw-r--r-- | minadbd/utils.h | 76 |
3 files changed, 0 insertions, 183 deletions
diff --git a/minadbd/Android.mk b/minadbd/Android.mk index 8de1b7453..0f1634bb2 100644 --- a/minadbd/Android.mk +++ b/minadbd/Android.mk @@ -15,7 +15,6 @@ LOCAL_SRC_FILES := \ fuse_adb_provider.c \ sockets.c \ services.c \ - utils.c LOCAL_CFLAGS := -O2 -g -DADB_HOST=0 -Wall -Wno-unused-parameter LOCAL_CFLAGS += -D_XOPEN_SOURCE -D_GNU_SOURCE diff --git a/minadbd/utils.c b/minadbd/utils.c deleted file mode 100644 index 91518bab6..000000000 --- a/minadbd/utils.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include "utils.h" -#include <stdarg.h> -#include <stdio.h> -#include <string.h> - -char* -buff_addc (char* buff, char* buffEnd, int c) -{ - int avail = buffEnd - buff; - - if (avail <= 0) /* already in overflow mode */ - return buff; - - if (avail == 1) { /* overflowing, the last byte is reserved for zero */ - buff[0] = 0; - return buff + 1; - } - - buff[0] = (char) c; /* add char and terminating zero */ - buff[1] = 0; - return buff + 1; -} - -char* -buff_adds (char* buff, char* buffEnd, const char* s) -{ - int slen = strlen(s); - - return buff_addb(buff, buffEnd, s, slen); -} - -char* -buff_addb (char* buff, char* buffEnd, const void* data, int len) -{ - int avail = (buffEnd - buff); - - if (avail <= 0 || len <= 0) /* already overflowing */ - return buff; - - if (len > avail) - len = avail; - - memcpy(buff, data, len); - - buff += len; - - /* ensure there is a terminating zero */ - if (buff >= buffEnd) { /* overflow */ - buff[-1] = 0; - } else - buff[0] = 0; - - return buff; -} - -char* -buff_add (char* buff, char* buffEnd, const char* format, ... ) -{ - int avail; - - avail = (buffEnd - buff); - - if (avail > 0) { - va_list args; - int nn; - - va_start(args, format); - nn = vsnprintf( buff, avail, format, args); - va_end(args); - - if (nn < 0) { - /* some C libraries return -1 in case of overflow, - * but they will also do that if the format spec is - * invalid. We assume ADB is not buggy enough to - * trigger that last case. */ - nn = avail; - } - else if (nn > avail) { - nn = avail; - } - - buff += nn; - - /* ensure that there is a terminating zero */ - if (buff >= buffEnd) - buff[-1] = 0; - else - buff[0] = 0; - } - return buff; -} diff --git a/minadbd/utils.h b/minadbd/utils.h deleted file mode 100644 index e833820ab..000000000 --- a/minadbd/utils.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef _ADB_UTILS_H -#define _ADB_UTILS_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* bounded buffer functions */ - -/* all these functions are used to append data to a bounded buffer. - * - * after each operation, the buffer is guaranteed to be zero-terminated, - * even in the case of an overflow. they all return the new buffer position - * which allows one to use them in succession, only checking for overflows - * at the end. For example: - * - * BUFF_DECL(temp,p,end,1024); - * char* p; - * - * p = buff_addc(temp, end, '"'); - * p = buff_adds(temp, end, string); - * p = buff_addc(temp, end, '"'); - * - * if (p >= end) { - * overflow detected. note that 'temp' is - * zero-terminated for safety. - * } - * return strdup(temp); - */ - -/* tries to add a character to the buffer, in case of overflow - * this will only write a terminating zero and return buffEnd. - */ -char* buff_addc (char* buff, char* buffEnd, int c); - -/* tries to add a string to the buffer */ -char* buff_adds (char* buff, char* buffEnd, const char* s); - -/* tries to add a bytes to the buffer. the input can contain zero bytes, - * but a terminating zero will always be appended at the end anyway - */ -char* buff_addb (char* buff, char* buffEnd, const void* data, int len); - -/* tries to add a formatted string to a bounded buffer */ -char* buff_add (char* buff, char* buffEnd, const char* format, ... ); - -/* convenience macro used to define a bounded buffer, as well as - * a 'cursor' and 'end' variables all in one go. - * - * note: this doesn't place an initial terminating zero in the buffer, - * you need to use one of the buff_ functions for this. or simply - * do _cursor[0] = 0 manually. - */ -#define BUFF_DECL(_buff,_cursor,_end,_size) \ - char _buff[_size], *_cursor=_buff, *_end = _cursor + (_size) - -#ifdef __cplusplus -} -#endif - -#endif /* _ADB_UTILS_H */ |