c json解析示例

json-c是最主流的json c库。[root@hs-10-20-30-193 build]# cmake -DCMAKE_INSTALL_PREFIX=/usr/local ..

-- The C compiler identification is GNU 4.8.5
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc - works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Looking for sys/resource.h
-- Looking for sys/resource.h - found
-- Looking for getrusage
-- Looking for getrusage - found
-- Wrote /home/zjh/json-c-json-c-0.16-20220414/build/apps_config.h
-- Looking for fcntl.h
-- Looking for fcntl.h - found
-- Looking for inttypes.h
-- Looking for inttypes.h - found
-- Looking for stdarg.h
-- Looking for stdarg.h - found
-- Looking for strings.h
-- Looking for strings.h - found
-- Looking for string.h
-- Looking for string.h - found
-- Looking for syslog.h
-- Looking for syslog.h - found
-- Looking for 4 include files stdlib.h, ..., float.h
-- Looking for 4 include files stdlib.h, ..., float.h - found
-- Looking for unistd.h
-- Looking for unistd.h - found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for dlfcn.h
-- Looking for dlfcn.h - found
-- Looking for endian.h
-- Looking for endian.h - found
-- Looking for limits.h
-- Looking for limits.h - found
-- Looking for locale.h
-- Looking for locale.h - found
-- Looking for memory.h
-- Looking for memory.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stdlib.h
-- Looking for stdlib.h - found
-- Looking for sys/cdefs.h
-- Looking for sys/cdefs.h - found
-- Looking for sys/param.h
-- Looking for sys/param.h - found
-- Looking for sys/random.h
-- Looking for sys/random.h - not found
-- Looking for sys/stat.h
-- Looking for sys/stat.h - found
-- Looking for xlocale.h
-- Looking for xlocale.h - found
-- Looking for _isnan
-- Looking for _isnan - not found
-- Looking for _finite
-- Looking for _finite - not found
-- Looking for INFINITY
-- Looking for INFINITY - found
-- Looking for isinf
-- Looking for isinf - found
-- Looking for isnan
-- Looking for isnan - found
-- Looking for nan
-- Looking for nan - found
-- Looking for _doprnt
-- Looking for _doprnt - not found
-- Looking for snprintf
-- Looking for snprintf - found
-- Looking for vasprintf
-- Looking for vasprintf - found
-- Looking for vsnprintf
-- Looking for vsnprintf - found
-- Looking for vprintf
-- Looking for vprintf - found
-- Looking for arc4random
-- Looking for arc4random - not found
-- Looking for bsd/stdlib.h
-- Looking for bsd/stdlib.h - not found
-- Looking for open
-- Looking for open - found
-- Looking for realloc
-- Looking for realloc - found
-- Looking for setlocale
-- Looking for setlocale - found
-- Looking for uselocale
-- Looking for uselocale - found
-- Looking for strcasecmp
-- Looking for strcasecmp - found
-- Looking for strncasecmp
-- Looking for strncasecmp - found
-- Looking for strdup
-- Looking for strdup - found
-- Looking for strerror
-- Looking for strerror - found
-- Looking for vsyslog
-- Looking for vsyslog - found
-- Looking for strtoll
-- Looking for strtoll - found
-- Looking for strtoull
-- Looking for strtoull - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of int
-- Check size of int - done
-- Check size of int64_t
-- Check size of int64_t - done
-- Check size of long
-- Check size of long - done
-- Check size of long long
-- Check size of long long - done
-- Check size of size_t
-- Check size of size_t - done
-- Check size of ssize_t
-- Check size of ssize_t - done
-- Performing Test HAS_GNU_WARNING_LONG
-- Performing Test HAS_GNU_WARNING_LONG - Failed
-- Performing Test HAVE_ATOMIC_BUILTINS
-- Performing Test HAVE_ATOMIC_BUILTINS - Success
-- Performing Test HAVE___THREAD
-- Performing Test HAVE___THREAD - Success
-- Wrote /home/zjh/json-c-json-c-0.16-20220414/build/config.h
-- Wrote /home/zjh/json-c-json-c-0.16-20220414/build/json_config.h
-- Performing Test REENTRANT_WORKS
-- Performing Test REENTRANT_WORKS - Success
-- Performing Test BSYMBOLIC_WORKS
-- Performing Test BSYMBOLIC_WORKS - Success
-- Performing Test VERSION_SCRIPT_WORKS
-- Performing Test VERSION_SCRIPT_WORKS - Success
-- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
Warning: doxygen not found, the 'doc' target will not be included
-- Configuring done
-- Generating done
-- Build files have been written to: /home/zjh/json-c-json-c-0.16-20220414/build
[root@hs-10-20-30-193 build]# make all install
Scanning dependencies of target json-c
[  1%] Building C object CMakeFiles/json-c.dir/arraylist.c.o
[  2%] Building C object CMakeFiles/json-c.dir/debug.c.o
[  3%] Building C object CMakeFiles/json-c.dir/json_c_version.c.o
[  4%] Building C object CMakeFiles/json-c.dir/json_object.c.o
[  5%] Building C object CMakeFiles/json-c.dir/json_object_iterator.c.o
[  7%] Building C object CMakeFiles/json-c.dir/json_tokener.c.o
[  8%] Building C object CMakeFiles/json-c.dir/json_util.c.o
[  9%] Building C object CMakeFiles/json-c.dir/json_visit.c.o
[ 10%] Building C object CMakeFiles/json-c.dir/linkhash.c.o
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[ 15%] Building C object CMakeFiles/json-c.dir/json_pointer.c.o
[ 16%] Linking C shared library libjson-c.so
[ 16%] Built target json-c
Scanning dependencies of target json-c-static
[ 17%] Building C object CMakeFiles/json-c-static.dir/arraylist.c.o
[ 19%] Building C object CMakeFiles/json-c-static.dir/debug.c.o
[ 20%] Building C object CMakeFiles/json-c-static.dir/json_c_version.c.o
[ 21%] Building C object CMakeFiles/json-c-static.dir/json_object.c.o
[ 22%] Building C object CMakeFiles/json-c-static.dir/json_object_iterator.c.o
[ 23%] Building C object CMakeFiles/json-c-static.dir/json_tokener.c.o
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[ 33%] Linking C static library libjson-c.a
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Scanning dependencies of target json_parse
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[100%] Built target json_parse
Install the project...

-- Install configuration: "debug"
-- Installing: /usr/local/lib64/libjson-c.so.5.2.0
-- Up-to-date: /usr/local/lib64/libjson-c.so.5
-- Up-to-date: /usr/local/lib64/libjson-c.so
-- Installing: /usr/local/lib64/libjson-c.a
-- Installing: /usr/local/lib64/cmake/json-c/json-c-targets.cmake
-- Installing: /usr/local/lib64/cmake/json-c/json-c-targets-debug.cmake
-- Installing: /usr/local/lib64/cmake/json-c/json-c-config.cmake
-- Installing: /usr/local/lib64/pkgconfig/json-c.pc
-- Installing: /usr/local/include/json-c/json_config.h
-- Installing: /usr/local/include/json-c/json.h
-- Installing: /usr/local/include/json-c/arraylist.h
-- Installing: /usr/local/include/json-c/debug.h
-- Installing: /usr/local/include/json-c/json_c_version.h
-- Installing: /usr/local/include/json-c/json_inttypes.h
-- Installing: /usr/local/include/json-c/json_object.h
-- Installing: /usr/local/include/json-c/json_object_iterator.h
-- Installing: /usr/local/include/json-c/json_tokener.h
-- Installing: /usr/local/include/json-c/json_types.h
-- Installing: /usr/local/include/json-c/json_util.h
-- Installing: /usr/local/include/json-c/json_visit.h
-- Installing: /usr/local/include/json-c/linkhash.h
-- Installing: /usr/local/include/json-c/printbuf.h
-- Installing: /usr/local/include/json-c/json_pointer.h

Original: https://www.cnblogs.com/zhjh256/p/16282760.html
Author: zhjh256
Title: c json解析示例