diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h b/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h deleted file mode 100644 index d9461bf30..000000000 --- a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h +++ /dev/null @@ -1,130 +0,0 @@ -// Copyright (c) 2013, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef CLIENT_LINUX_MINIDUMP_WRITER_PROC_CPUINFO_READER_H_ -#define CLIENT_LINUX_MINIDUMP_WRITER_PROC_CPUINFO_READER_H_ - -#include <stdint.h> -#include <assert.h> -#include <string.h> - -#include "client/linux/minidump_writer/line_reader.h" -#include "common/linux/linux_libc_support.h" -#include "third_party/lss/linux_syscall_support.h" - -namespace google_breakpad { - -// A class for reading /proc/cpuinfo without using fopen/fgets or other -// functions which may allocate memory. -class ProcCpuInfoReader { -public: - ProcCpuInfoReader(int fd) - : line_reader_(fd), pop_count_(-1) { - } - - // Return the next field name, or NULL in case of EOF. - // field: (output) Pointer to zero-terminated field name. - // Returns true on success, or false on EOF or error (line too long). - bool GetNextField(const char** field) { - for (;;) { - const char* line; - unsigned line_len; - - // Try to read next line. - if (pop_count_ >= 0) { - line_reader_.PopLine(pop_count_); - pop_count_ = -1; - } - - if (!line_reader_.GetNextLine(&line, &line_len)) - return false; - - pop_count_ = static_cast<int>(line_len); - - const char* line_end = line + line_len; - - // Expected format: <field-name> <space>+ ':' <space> <value> - // Note that: - // - empty lines happen. - // - <field-name> can contain spaces. - // - some fields have an empty <value> - char* sep = static_cast<char*>(my_memchr(line, ':', line_len)); - if (sep == NULL) - continue; - - // Record the value. Skip leading space after the column to get - // its start. - const char* val = sep+1; - while (val < line_end && my_isspace(*val)) - val++; - - value_ = val; - value_len_ = static_cast<size_t>(line_end - val); - - // Remove trailing spaces before the column to properly 0-terminate - // the field name. - while (sep > line && my_isspace(sep[-1])) - sep--; - - if (sep == line) - continue; - - // zero-terminate field name. - *sep = '\0'; - - *field = line; - return true; - } - } - - // Return the field value. This must be called after a succesful - // call to GetNextField(). - const char* GetValue() { - assert(value_); - return value_; - } - - // Same as GetValue(), but also returns the length in characters of - // the value. - const char* GetValueAndLen(size_t* length) { - assert(value_); - *length = value_len_; - return value_; - } - -private: - LineReader line_reader_; - int pop_count_; - const char* value_; - size_t value_len_; -}; - -} // namespace google_breakpad - -#endif // CLIENT_LINUX_MINIDUMP_WRITER_PROC_CPUINFO_READER_H_ |