Added: hadoop/avro/trunk/lang/c/jansson/doc/gettingstarted.rst URL: http://svn.apache.org/viewvc/hadoop/avro/trunk/lang/c/jansson/doc/gettingstarted.rst?rev=899870&view=auto ============================================================================== --- hadoop/avro/trunk/lang/c/jansson/doc/gettingstarted.rst (added) +++ hadoop/avro/trunk/lang/c/jansson/doc/gettingstarted.rst Sat Jan 16 01:52:24 2010 @@ -0,0 +1,104 @@ +*************** +Getting Started +*************** + +.. highlight:: c + +Compiling and Installing Jansson +================================ + +The Jansson source is available at +http://www.digip.org/jansson/releases/. + +Unpack the source tarball and change to the source directory: + +.. parsed-literal:: + + bunzip2 -c jansson-|release|.tar.bz2 | tar xf - + cd jansson-|release| + +The source uses GNU Autotools (autoconf_, automake_, libtool_), so +compiling and installing is extremely simple:: + + ./configure + make + make check + make install + +To change the destination directory (``/usr/local`` by default), use +the ``--prefix=DIR`` argument to ``./configure``. See ``./configure +--help`` for the list of all possible installation options. (There are +no options to customize the resulting Jansson binary.) + +The command ``make check`` runs the test suite distributed with +Jansson. Python_ is required to run the tests. This step is not +strictly necessary, but it may find possible problems that Jansson has +on your platform. If any problems are found, please report them. + +If you obtained the source from a Git repository (or any other source +control system), there's no ``./configure`` script as it's not kept in +version control. To create the script, Autotools needs to be +bootstrapped. There are many ways to do this, but the easiest one is +to use ``autoreconf``:: + + autoreconf -vi + +This command creates the ``./configure`` script, which can then be +used as described in the previous section. + +.. _autoconf: http://www.gnu.org/software/autoconf/ +.. _automake: http://www.gnu.org/software/automake/ +.. _libtool: http://www.gnu.org/software/libtool/ +.. _Python: http://www.python.org/ + + +Installing Prebuilt Binary Packages +----------------------------------- + +Binary ``.deb`` packages for Ubuntu are available in `this PPA`_ at +Launchpad_. Follow the instructions in the PPA ("Technical details +about this PPA" link) to take the PPA into use. Then install the -dev +package:: + + sudo apt-get install libjansson-dev + +.. _this PPA: http://launchpad.net/~petri/+archive/ppa +.. _Launchpad: http://launchpad.net/ + + +Building the Documentation +-------------------------- + +(This subsection describes how to build the HTML documentation you are +currently reading, so it can be safely skipped.) + +Documentation is in the ``doc/`` subdirectory. It's written in +reStructuredText_ with Sphinx_ annotations. To generate the HTML +documentation, invoke:: + + cd doc/ + sphinx-build . .build/html + +... and point your browser to ``.build/html/index.html``. Sphinx_ is +required to generate the documentation. + +.. _reStructuredText: http://docutils.sourceforge.net/rst.html +.. _Sphinx: http://sphinx.pocoo.org/ + + +Compiling Programs Using Jansson +================================ + +Jansson involves one C header file, :file:`jansson.h`, so it's enough +to put the line + +:: + + #include <jansson.h> + +in the beginning of every source file that uses Jansson. + +There's also just one library to link with, ``libjansson``. Compile and +link the program as follows:: + + cc -o prog prog.c -ljansson
Added: hadoop/avro/trunk/lang/c/jansson/doc/github_commits.c URL: http://svn.apache.org/viewvc/hadoop/avro/trunk/lang/c/jansson/doc/github_commits.c?rev=899870&view=auto ============================================================================== --- hadoop/avro/trunk/lang/c/jansson/doc/github_commits.c (added) +++ hadoop/avro/trunk/lang/c/jansson/doc/github_commits.c Sat Jan 16 01:52:24 2010 @@ -0,0 +1,171 @@ +/* + * Copyright (c) 2009 Petri Lehtinen <[email protected]> + * + * Jansson is free software; you can redistribute it and/or modify + * it under the terms of the MIT license. See LICENSE for details. + */ + +#include <stdlib.h> +#include <string.h> + +#include <jansson.h> +#include <curl/curl.h> + +#define BUFFER_SIZE (256 * 1024) /* 256 KB */ + +#define URL_FORMAT "http://github.com/api/v2/json/commits/list/%s/%s/master"; +#define URL_SIZE 256 + +/* Return the offset of the first newline in text or the length of + text if there's no newline */ +static int newline_offset(const char *text) +{ + const char *newline = strchr(text, '\n'); + if(!newline) + return strlen(text); + else + return (int)(newline - text); +} + +struct write_result +{ + char *data; + int pos; +}; + +static size_t write_response(void *ptr, size_t size, size_t nmemb, void *stream) +{ + struct write_result *result = (struct write_result *)stream; + + if(result->pos + size * nmemb >= BUFFER_SIZE - 1) + { + fprintf(stderr, "error: too small buffer\n"); + return 0; + } + + memcpy(result->data + result->pos, ptr, size * nmemb); + result->pos += size * nmemb; + + return size * nmemb; +} + +static char *request(const char *url) +{ + CURL *curl; + CURLcode status; + char *data; + long code; + + curl = curl_easy_init(); + data = malloc(BUFFER_SIZE); + if(!curl || !data) + return NULL; + + struct write_result write_result = { + .data = data, + .pos = 0 + }; + + curl_easy_setopt(curl, CURLOPT_URL, url); + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_response); + curl_easy_setopt(curl, CURLOPT_WRITEDATA, &write_result); + + status = curl_easy_perform(curl); + if(status != 0) + { + fprintf(stderr, "error: unable to request data from %s:\n", url); + fprintf(stderr, "%s\n", curl_easy_strerror(status)); + return NULL; + } + + curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code); + if(code != 200) + { + fprintf(stderr, "error: server responded with code %ld\n", code); + return NULL; + } + + curl_easy_cleanup(curl); + curl_global_cleanup(); + + /* zero-terminate the result */ + data[write_result.pos] = '\0'; + + return data; +} + +int main(int argc, char *argv[]) +{ + unsigned int i; + char *text; + char url[URL_SIZE]; + + json_t *root; + json_error_t error; + json_t *commits; + + if(argc != 3) + { + fprintf(stderr, "usage: %s USER REPOSITORY\n\n", argv[0]); + fprintf(stderr, "List commits at USER's REPOSITORY.\n\n"); + return 2; + } + + snprintf(url, URL_SIZE, URL_FORMAT, argv[1], argv[2]); + + text = request(url); + if(!text) + return 1; + + root = json_loads(text, &error); + free(text); + + if(!root) + { + fprintf(stderr, "error: on line %d: %s\n", error.line, error.text); + return 1; + } + + commits = json_object_get(root, "commits"); + if(!json_is_array(commits)) + { + fprintf(stderr, "error: commits is not an array\n"); + return 1; + } + + for(i = 0; i < json_array_size(commits); i++) + { + json_t *commit, *id, *message; + const char *message_text; + + commit = json_array_get(commits, i); + if(!json_is_object(commit)) + { + fprintf(stderr, "error: commit %d is not an object\n", i + 1); + return 1; + } + + id = json_object_get(commit, "id"); + if(!json_is_string(id)) + { + fprintf(stderr, "error: commit %d: id is not a string\n", i + 1); + return 1; + } + + message = json_object_get(commit, "message"); + if(!json_is_string(message)) + { + fprintf(stderr, "error: commit %d: message is not a string\n", i + 1); + return 1; + } + + message_text = json_string_value(message); + printf("%.8s %.*s\n", + json_string_value(id), + newline_offset(message_text), + message_text); + } + + json_decref(root); + return 0; +} Added: hadoop/avro/trunk/lang/c/jansson/doc/index.rst URL: http://svn.apache.org/viewvc/hadoop/avro/trunk/lang/c/jansson/doc/index.rst?rev=899870&view=auto ============================================================================== --- hadoop/avro/trunk/lang/c/jansson/doc/index.rst (added) +++ hadoop/avro/trunk/lang/c/jansson/doc/index.rst Sat Jan 16 01:52:24 2010 @@ -0,0 +1,44 @@ +Jansson Documentation +===================== + +This is the documentation for Jansson_ |release|, last updated |today|. + +Introduction +------------ + +Jansson_ is a C library for encoding, decoding and manipulating JSON +data. Its main features and design principles are: + +- Simple and intuitive API and data model + +- Comprehensive documentation + +- No dependencies on other libraries + +- Full Unicode support (UTF-8) + +- Extensive test suite + +Jansson is licensed under the `MIT license`_; see LICENSE in the +source distribution for details. + + +.. _`MIT license`: http://www.opensource.org/licenses/mit-license.php +.. _Jansson: http://www.digip.org/jansson/ + +Contents +-------- + +.. toctree:: + :maxdepth: 2 + + gettingstarted + tutorial + apiref + + +Indices and Tables +================== + +* :ref:`genindex` +* :ref:`search` Added: hadoop/avro/trunk/lang/c/jansson/doc/tutorial.rst URL: http://svn.apache.org/viewvc/hadoop/avro/trunk/lang/c/jansson/doc/tutorial.rst?rev=899870&view=auto ============================================================================== --- hadoop/avro/trunk/lang/c/jansson/doc/tutorial.rst (added) +++ hadoop/avro/trunk/lang/c/jansson/doc/tutorial.rst Sat Jan 16 01:52:24 2010 @@ -0,0 +1,275 @@ +.. _tutorial: + +******** +Tutorial +******** + +.. highlight:: c + +In this tutorial, we create a program that fetches the latest commits +of a repository in GitHub_ over the web. One of the response formats +supported by `GitHub API`_ is JSON, so the result can be parsed using +Jansson. + +To stick to the the scope of this tutorial, we will only cover the the +parts of the program related to handling JSON data. For the best user +experience, the full source code is available: +:download:`github_commits.c`. To compile it (on Unix-like systems with +gcc), use the following command:: + + gcc -o github_commits github_commits.c -ljansson -lcurl + +libcurl_ is used to communicate over the web, so it is required to +compile the program. + +The command line syntax is:: + + github_commits USER REPOSITORY + +``USER`` is a GitHub user ID and ``REPOSITORY`` is the repository +name. Please note that the GitHub API is rate limited, so if you run +the program too many times within a short period of time, the sever +starts to respond with an error. + +.. _GitHub: http://github.com/ +.. _GitHub API: http://develop.github.com/ +.. _libcurl: http://curl.haxx.se/ + + +.. _tutorial-github-commits-api: + +The GitHub Commits API +====================== + +The `GitHub commits API`_ is used by sending HTTP requests to URLs +starting with ``http://github.com/api/v2/json/commits/``. Our program +only lists the latest commits, so the rest of the URL is +``list/USER/REPOSITORY/BRANCH``, where ``USER``, ``REPOSITORY`` and +``BRANCH`` are the GitHub user ID, the name of the repository, and the +name of the branch whose commits are to be listed, respectively. + +GitHub responds with a JSON object of the following form: + +.. code-block:: none + + { + "commits": [ + { + "id": "<the commit ID>", + "message": "<the commit message>", + <more fields, not important to this tutorial> + }, + { + "id": "<the commit ID>", + "message": "<the commit message>", + <more fields, not important to this tutorial> + }, + <more commits...> + ] + } + +In our program, the HTTP request is sent using the following +function:: + + static char *request(const char *url); + +It takes the URL as a parameter, preforms a HTTP GET request, and +returns a newly allocated string that contains the response body. If +the request fails, an error message is printed to stderr and the +return value is *NULL*. For full details, refer to :download:`the code +<github_commits.c>`, as the actual implementation is not important +here. + +.. _GitHub commits API: http://develop.github.com/p/commits.html + +.. _tutorial-the-program: + +The Program +=========== + +First the includes:: + + #include <string.h> + #include <jansson.h> + +Like all the programs using Jansson, we need to include +:file:`jansson.h`. + +The following definitions are used to build the GitHub commits API +request URL:: + + #define URL_FORMAT "http://github.com/api/v2/json/commits/list/%s/%s/master"; + #define URL_SIZE 256 + +The following function is used when formatting the result to find the +first newline in the commit message:: + + /* Return the offset of the first newline in text or the length of + text if there's no newline */ + static int newline_offset(const char *text) + { + const char *newline = strchr(text, '\n'); + if(!newline) + return strlen(text); + else + return (int)(newline - text); + } + +The main function follows. In the beginning, we first declare a bunch +of variables and check the command line parameters:: + + unsigned int i; + char *text; + char url[URL_SIZE]; + + json_t *root; + json_error_t error; + json_t *commits; + + if(argc != 3) + { + fprintf(stderr, "usage: %s USER REPOSITORY\n\n", argv[0]); + fprintf(stderr, "List commits at USER's REPOSITORY.\n\n"); + return 2; + } + +Then we build the request URL using the user and repository names +given as command line parameters:: + + snprintf(url, URL_SIZE, URL_FORMAT, argv[1], argv[2]); + +This uses the ``URL_SIZE`` and ``URL_FORMAT`` constants defined above. +Now we're ready to actually request the JSON data over the web:: + + text = request(url); + if(!text) + return 1; + +If an error occurs, our function ``request`` prints the error and +returns *NULL*, so it's enough to just return 1 from the main +function. + +Next we'll call :cfunc:`json_loads()` to decode the JSON text we got +as a response:: + + root = json_loads(text, &error); + free(text); + + if(!root) + { + fprintf(stderr, "error: on line %d: %s\n", error.line, error.text); + return 1; + } + +We don't need the JSON text anymore, so we can free the ``text`` +variable right after decoding it. If :cfunc:`json_loads()` fails, it +returns *NULL* and sets error information to the :ctype:`json_error_t` +structure given as the second parameter. In this case, our program +prints the error information out and returns 1 from the main function. + +Now we're ready to extract the data out of the decoded JSON response. +The structure of the response JSON was explained in section +:ref:`tutorial-github-commits-api`. + +First, we'll extract the ``commits`` array from the JSON response:: + + commits = json_object_get(root, "commits"); + if(!json_is_array(commits)) + { + fprintf(stderr, "error: commits is not an array\n"); + return 1; + } + +This is the array that contains objects describing latest commits in +the repository. We check that the returned value really is an array. +If the key ``commits`` doesn't exist, :cfunc:`json_object_get()` +returns *NULL*, but :cfunc:`json_is_array()` handles this case, too. + +Then we proceed to loop over all the commits in the array:: + + for(i = 0; i < json_array_size(commits); i++) + { + json_t *commit, *id, *message; + const char *message_text; + + commit = json_array_get(commits, i); + if(!json_is_object(commit)) + { + fprintf(stderr, "error: commit %d is not an object\n", i + 1); + return 1; + } + ... + +The function :cfunc:`json_array_size()` returns the size of a JSON +array. First, we again declare some variables and then extract the +i'th element of the ``commits`` array using :cfunc:`json_array_get()`. +We also check that the resulting value is a JSON object. + +Next we'll extract the commit ID and commit message, and check that +they both are JSON strings:: + + id = json_object_get(commit, "id"); + if(!json_is_string(id)) + { + fprintf(stderr, "error: commit %d: id is not a string\n", i + 1); + return 1; + } + + message = json_object_get(commit, "message"); + if(!json_is_string(message)) + { + fprintf(stderr, "error: commit %d: message is not a string\n", i + 1); + return 1; + } + ... + +And finally, we'll print the first 8 characters of the commit ID and +the first line of the commit message. A C-style string is extracted +from a JSON string using :cfunc:`json_string_value()`:: + + message_text = json_string_value(message); + printf("%.8s %.*s\n", + json_string_value(id), + newline_offset(message_text), + message_text); + } + +After sending the HTTP request, we decoded the JSON text using +:cfunc:`json_loads()`, remember? It returns a *new reference* to the +JSON value it decodes. When we're finished with the value, we'll need +to decrease the reference count using :cfunc:`json_decref()`. This way +Jansson can release the resources:: + + json_decref(root); + return 0; + +For a detailed explanation of reference counting in Jansson, see +:ref:`apiref-reference-count` in :ref:`apiref`. + +The program's ready, let's test it and view the latest commits in +Jansson's repository:: + + $ ./github_commits akheron jansson + 86dc1d62 Fix indentation + b67e130f json_dumpf: Document the output shortage on error + 4cd77771 Enhance handling of circular references + 79009e62 json_dumps: Close the strbuffer if dumping fails + 76999799 doc: Fix a small typo in apiref + 22af193a doc/Makefile.am: Remove *.pyc in clean + 951d091f Make integer, real and string mutable + 185e107d Don't use non-portable asprintf() + ca7703fb Merge branch '1.0' + 12cd4e8c jansson 1.0.4 + <etc...> + + +Conclusion +========== + +In this tutorial, we implemented a program that fetches the latest +commits of a GitHub repository using the GitHub commits API. Jansson +was used to decode the JSON response and to extract the commit data. + +This tutorial only covered a small part of Jansson. For example, we +did not create or manipulate JSON values at all. Proceed to +:ref:`apiref` to explore all features of Jansson. Added: hadoop/avro/trunk/lang/c/jansson/install-sh URL: http://svn.apache.org/viewvc/hadoop/avro/trunk/lang/c/jansson/install-sh?rev=899870&view=auto ============================================================================== --- hadoop/avro/trunk/lang/c/jansson/install-sh (added) +++ hadoop/avro/trunk/lang/c/jansson/install-sh Sat Jan 16 01:52:24 2010 @@ -0,0 +1,519 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2006-12-25.00 + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +nl=' +' +IFS=" "" $nl" + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit=${DOITPROG-} +if test -z "$doit"; then + doit_exec=exec +else + doit_exec=$doit +fi + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_glob='?' +initialize_posix_glob=' + test "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +no_target_directory= + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) dst_arg=$2 + shift;; + + -T) no_target_directory=true;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $...@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call `install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + trap '(exit $?); exit' 1 2 13 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names starting with `-'. + case $src in + -*) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + + dst=$dst_arg + # Protect names starting with `-'. + case $dst in + -*) dst=./$dst;; + esac + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + # Prefer dirname, but fall back on a substitute if dirname fails. + dstdir=` + (dirname "$dst") 2>/dev/null || + expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$dst" : 'X\(//\)[^/]' \| \ + X"$dst" : 'X\(//\)$' \| \ + X"$dst" : 'X\(/\)' \| . 2>/dev/null || + echo X"$dst" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q' + ` + + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writeable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + -*) prefix='./';; + *) prefix='';; + esac + + eval "$initialize_posix_glob" + + oIFS=$IFS + IFS=/ + $posix_glob set -f + set fnord $dstdir + shift + $posix_glob set +f + IFS=$oIFS + + prefixes= + + for d + do + test -z "$d" && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + + eval "$initialize_posix_glob" && + $posix_glob set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + $posix_glob set +f && + + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: Propchange: hadoop/avro/trunk/lang/c/jansson/install-sh ------------------------------------------------------------------------------ svn:executable = *
