mirror of
https://github.com/logos-storage/easylibstorage.git
synced 2026-02-09 19:33:05 +00:00
feat: add INI file handling, other cosmetic changes
This commit is contained in:
gmega
parent
88fa3de963
commit
343e1303ed
@ -2,8 +2,8 @@ cmake_minimum_required(VERSION 3.14)
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project(easylibstorage C)
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set(CMAKE_C_STANDARD 11)
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if (NOT DEFINED LOGOS_STORAGE_NIM_ROOT)
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message(FATAL_ERROR "Need to set LOGOS_STORAGE_NIM_ROOT")
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if (NOT LOGOS_STORAGE_NIM_ROOT)
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message(FATAL_ERROR "libstorage repo not found. Set LOGOS_STORAGE_NIM_ROOT to the folder containing the libstorage repo before running cmake.")
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endif ()
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# --- Find libstorage ---
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@ -18,11 +18,15 @@ endif ()
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find_library(LIBSTORAGE_PATH NAMES ${LIBSTORAGE_NAMES} PATHS ${LOGOS_STORAGE_NIM_ROOT}/build NO_DEFAULT_PATH)
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if (NOT LIBSTORAGE_PATH)
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message(WARNING "libstorage not found. Build or provide it before linking.")
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message(FATAL_ERROR "could not find ${LIBSTORAGE_NAMES} under ${LIBSTORAGE_DIR}/build. Make sure to build it before running cmake.")
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endif ()
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# --- Vendored: inih ---
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add_library(inih STATIC vendor/inih/ini.c)
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target_include_directories(inih PUBLIC vendor/inih)
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# --- Shared library: easystorage ---
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add_library(easystorage SHARED
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add_library(easystorage STATIC
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easystorage.c
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easystorage.h
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)
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@ -32,9 +36,7 @@ target_include_directories(easystorage PUBLIC
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"${LOGOS_STORAGE_NIM_ROOT}/library"
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)
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if (LIBSTORAGE_PATH)
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target_link_libraries(easystorage PRIVATE ${LIBSTORAGE_PATH})
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endif ()
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target_link_libraries(easystorage PRIVATE ${LIBSTORAGE_PATH} inih)
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# --- Example: storageconsole ---
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add_executable(storageconsole
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@ -42,10 +44,7 @@ add_executable(storageconsole
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)
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target_link_libraries(storageconsole PRIVATE easystorage)
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if (LIBSTORAGE_PATH)
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target_link_libraries(storageconsole PRIVATE ${LIBSTORAGE_PATH})
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endif ()
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target_link_libraries(storageconsole PRIVATE ${LIBSTORAGE_PATH})
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# --- Example: uploader/downloader ---
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add_executable(uploader
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@ -56,11 +55,8 @@ add_executable(downloader
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target_link_libraries(uploader PRIVATE easystorage)
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target_link_libraries(downloader PRIVATE easystorage)
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if (LIBSTORAGE_PATH)
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target_link_libraries(uploader PRIVATE ${LIBSTORAGE_PATH})
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target_link_libraries(downloader PRIVATE ${LIBSTORAGE_PATH})
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endif ()
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target_link_libraries(uploader PRIVATE ${LIBSTORAGE_PATH})
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target_link_libraries(downloader PRIVATE ${LIBSTORAGE_PATH})
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# --- Tests ---
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enable_testing()
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@ -71,9 +67,13 @@ add_executable(test_runner
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tests/mock_libstorage.c
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)
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target_link_libraries(test_runner PRIVATE inih)
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target_include_directories(test_runner PRIVATE
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"${CMAKE_SOURCE_DIR}"
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"${LOGOS_STORAGE_NIM_ROOT}/library"
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)
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target_link_libraries(test_runner PRIVATE inih)
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add_test(NAME easystorage_tests COMMAND test_runner)
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@ -1,6 +1,7 @@
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# libeasystorage
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A simplified, higher level C wrapper around [libstorage](https://github.com/status-im/logos-storage-nim) built to showcase it. Allows filesharing in the Logos Storage network. Comes with an example console application to interact with it.
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A simplified, higher level C wrapper around [libstorage](https://github.com/status-im/logos-storage-nim). Includes
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examples showing how to implement simple filesharing apps.
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## Prerequisites
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@ -1,4 +1,5 @@
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#include "easystorage.h"
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#include "ini.h"
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#include "libstorage.h"
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#include <pthread.h>
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@ -12,6 +13,13 @@
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#define POLL_INTERVAL_US (100 * 1000)
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#define DEFAULT_CHUNK_SIZE (64 * 1024)
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const node_config DEFAULT_STORAGE_NODE_CONFIG = {.api_port = 8080,
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.disc_port = 8090,
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.data_dir = "./data",
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.log_level = "INFO",
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.bootstrap_node = NULL,
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.nat = "auto"};
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typedef struct {
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int ret;
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char *msg;
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@ -30,8 +38,10 @@ static resp *resp_alloc(void) {
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}
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static void resp_destroy(resp *r) {
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if (!r) return;
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if (r->msg) free(r->msg);
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if (!r)
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return;
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if (r->msg)
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free(r->msg);
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free(r);
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}
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@ -44,7 +54,8 @@ static void resp_wait(resp *r) {
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// Callback for simple (non-progress) async operations.
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static void on_complete(int ret, const char *msg, size_t len, void *userData) {
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resp *r = userData;
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if (!r) return;
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if (!r)
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return;
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pthread_mutex_lock(&mutex);
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if (r->unreferenced) {
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@ -70,10 +81,10 @@ static void on_complete(int ret, const char *msg, size_t len, void *userData) {
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// Callback for operations that report progress before completing.
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static void on_progress(int ret, const char *msg, size_t len, void *userData) {
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resp *r = userData;
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if (!r) return;
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if (!r)
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return;
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pthread_mutex_lock(&mutex);
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if (r->unreferenced) {
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resp_destroy(r);
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pthread_mutex_unlock(&mutex);
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@ -282,3 +293,50 @@ int e_storage_download(STORAGE_NODE node, const char *cid, const char *filepath,
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return ret;
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}
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static int handler(void *user, const char *section, const char *name, const char *value) {
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node_config *cfg = (node_config *) user;
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#define MATCH(n) strcmp(section, "easystorage") == 0 && strcmp(name, n) == 0
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if (MATCH("bootstrap-node")) {
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cfg->bootstrap_node = strdup(value);
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} else if (MATCH("data-dir")) {
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cfg->data_dir = strdup(value);
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} else if (MATCH("log-level")) {
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cfg->log_level = strdup(value);
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} else if (MATCH("nat")) {
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cfg->nat = strdup(value);
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} else if (MATCH("api-port")) {
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cfg->api_port = atoi(value);
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} else if (MATCH("disc-port")) {
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cfg->disc_port = atoi(value);
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} else {
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return RET_OK;
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}
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return RET_ERR;
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}
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int e_storage_read_config(char *filepath, node_config *conf) { return ini_parse(filepath, handler, conf); }
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int e_storage_read_config_file(FILE *fp, node_config *config) { return ini_parse_file(fp, handler, config); }
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void e_storage_free_config(node_config *conf) {
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if (!conf) {
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return;
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}
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if (conf->bootstrap_node) {
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free(conf->bootstrap_node);
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conf->bootstrap_node = NULL;
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}
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if (conf->data_dir) {
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free(conf->data_dir);
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conf->data_dir = NULL;
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}
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if (conf->log_level) {
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free(conf->log_level);
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conf->log_level = NULL;
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}
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if (conf->nat) {
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free(conf->nat);
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conf->nat = NULL;
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}
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}
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@ -1,6 +1,8 @@
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#ifndef EASYSTORAGE_H
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#define EASYSTORAGE_H
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#include <stdio.h>
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#define STORAGE_NODE void *
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typedef struct {
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@ -12,6 +14,8 @@ typedef struct {
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char *nat;
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} node_config;
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extern const node_config DEFAULT_STORAGE_NODE_CONFIG;
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typedef void (*progress_callback)(int total, int complete, int status);
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// Creates a new storage node. Returns opaque pointer, or NULL on failure.
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@ -30,4 +34,10 @@ char *e_storage_upload(STORAGE_NODE node, const char *filepath, progress_callbac
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// Downloads content identified by cid to filepath. Returns 0 on success.
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int e_storage_download(STORAGE_NODE node, const char *cid, const char *filepath, progress_callback cb);
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// Config handling utilities. Note that for e_storage_read_config and e_storage_read_config, the
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// caller is responsible for freeing the config object and its members.
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int e_storage_read_config(char *filepath, node_config *config);
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int e_storage_read_config_file(FILE *, node_config *config);
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void e_storage_free_config(node_config *config);
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#endif // EASYSTORAGE_H
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@ -1,3 +1,5 @@
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/* downloader.c: Download files from a Logos Storage node into the local disk.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "easystorage.h"
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@ -9,22 +11,26 @@ void progress(int total, int complete, int status) {
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int main(int argc, char *argv[]) {
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if (argc < 4) {
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printf("Usage: %s <spr> <cid> <output_file>\n", argv[0]);
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printf("Usage: %s BOOTSTRAP_SPR CID <output_file>\n", argv[0]);
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exit(1);
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}
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char *spr = argv[1];
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char *cid = argv[2];
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char *filepath = argv[3];
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node_config cfg = {
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.api_port = 8081,
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.disc_port = 9091,
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.data_dir = "./downloader-data",
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.log_level = "INFO",
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.bootstrap_node = argv[1],
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.bootstrap_node = spr,
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.nat = "none",
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};
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STORAGE_NODE node = e_storage_new(cfg);
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e_storage_start(node);
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e_storage_download(node, argv[2], argv[3], progress);
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e_storage_download(node, cid, filepath, progress);
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e_storage_stop(node);
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e_storage_destroy(node);
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}
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@ -1,3 +1,5 @@
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/* uploader.c: makes a local file available to the Logos Storage network.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "easystorage.h"
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@ -22,10 +24,12 @@ int main(int argc, char *argv[]) {
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.nat = "none",
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};
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char *filepath = argv[1];
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STORAGE_NODE node = e_storage_new(cfg);
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e_storage_start(node);
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char *cid = e_storage_upload(node, argv[1], progress);
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char *cid = e_storage_upload(node, filepath, progress);
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char *spr = e_storage_spr(node);
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printf("Run: downloader %s %s ./output-file\n", spr, cid);
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@ -30,6 +30,14 @@ static node_config default_config(void) {
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return cfg;
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}
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FILE *write_to_temp(const char *contents) {
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FILE *fp = tmpfile();
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assert(fp != NULL);
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assert(fwrite(contents, 1, strlen(contents), fp) == strlen(contents));
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assert(fseek(fp, 0, SEEK_SET) == 0);
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return fp;
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}
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// --- Tests ---
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static void test_new(void) {
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@ -147,6 +155,30 @@ static void test_full_lifecycle(void) {
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assert(e_storage_destroy(node) == RET_OK);
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}
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static void test_should_read_configuration_file(void) {
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const char *conf = "[easystorage] \n"
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"bootstrap-node=spr:CiUIAhIhA-VlcoiRm02KyIzrcTP \n"
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"data-dir=/home/user/data-dir \n"
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"log-level=WARN \n"
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"api-port=8081 \n"
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"disc-port=8091 \n"
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"nat=none \n";
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node_config cfg = DEFAULT_STORAGE_NODE_CONFIG;
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FILE *cfg_file = write_to_temp(conf);
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assert(e_storage_read_config_file(cfg_file, &cfg) == RET_OK);
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fclose(cfg_file);
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assert(strcmp(cfg.bootstrap_node, "spr:CiUIAhIhA-VlcoiRm02KyIzrcTP") == 0);
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assert(strcmp(cfg.data_dir, "/home/user/data-dir") == 0);
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assert(strcmp(cfg.log_level, "WARN") == 0);
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assert(cfg.api_port == 8081);
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assert(cfg.disc_port == 8091);
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assert(strcmp(cfg.nat, "none") == 0);
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e_storage_free_config(&cfg);
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}
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int main(void) {
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printf("Running easylibstorage tests...\n");
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@ -163,7 +195,8 @@ int main(void) {
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RUN_TEST(test_download_null);
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RUN_TEST(test_get_should_get_node_spr);
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RUN_TEST(test_full_lifecycle);
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RUN_TEST(test_should_read_configuration_file);
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printf("\n%d/%d tests passed.\n", tests_passed, tests_run);
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return (tests_passed == tests_run) ? 0 : 1;
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return tests_passed == tests_run ? 0 : 1;
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}
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27
vendor/inih/LICENSE.txt
vendored
Normal file
27
vendor/inih/LICENSE.txt
vendored
Normal file
@ -0,0 +1,27 @@
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The "inih" library is distributed under the New BSD license:
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Copyright (c) 2009, Ben Hoyt
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
|
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documentation and/or other materials provided with the distribution.
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* Neither the name of Ben Hoyt nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY BEN HOYT ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL BEN HOYT BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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333
vendor/inih/ini.c
vendored
Normal file
333
vendor/inih/ini.c
vendored
Normal file
@ -0,0 +1,333 @@
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/* inih -- simple .INI file parser
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SPDX-License-Identifier: BSD-3-Clause
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Copyright (C) 2009-2025, Ben Hoyt
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inih is released under the New BSD license (see LICENSE.txt). Go to the project
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home page for more info:
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https://github.com/benhoyt/inih
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*/
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#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <assert.h>
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#include "ini.h"
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#if !INI_USE_STACK
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#if INI_CUSTOM_ALLOCATOR
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#include <stddef.h>
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void* ini_malloc(size_t size);
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void ini_free(void* ptr);
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void* ini_realloc(void* ptr, size_t size);
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#else
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#include <stdlib.h>
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#define ini_malloc malloc
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#define ini_free free
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#define ini_realloc realloc
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#endif
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#endif
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#define MAX_SECTION 50
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#define MAX_NAME 50
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/* Used by ini_parse_string() to keep track of string parsing state. */
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typedef struct {
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const char* ptr;
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size_t num_left;
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} ini_parse_string_ctx;
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/* Strip whitespace chars off end of given string, in place. end must be a
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pointer to the NUL terminator at the end of the string. Return s. */
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static char* ini_rstrip(char* s, char* end)
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{
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while (end > s && isspace((unsigned char)(*--end)))
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*end = '\0';
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return s;
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}
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/* Return pointer to first non-whitespace char in given string. */
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static char* ini_lskip(const char* s)
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{
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while (*s && isspace((unsigned char)(*s)))
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s++;
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return (char*)s;
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}
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/* Return pointer to first char (of chars) or inline comment in given string,
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or pointer to NUL at end of string if neither found. Inline comment must
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be prefixed by a whitespace character to register as a comment. */
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static char* ini_find_chars_or_comment(const char* s, const char* chars)
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{
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#if INI_ALLOW_INLINE_COMMENTS
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int was_space = 0;
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while (*s && (!chars || !strchr(chars, *s)) &&
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!(was_space && strchr(INI_INLINE_COMMENT_PREFIXES, *s))) {
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was_space = isspace((unsigned char)(*s));
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s++;
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}
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#else
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while (*s && (!chars || !strchr(chars, *s))) {
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s++;
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}
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#endif
|
||||
return (char*)s;
|
||||
}
|
||||
|
||||
/* Similar to strncpy, but ensures dest (size bytes) is
|
||||
NUL-terminated, and doesn't pad with NULs. */
|
||||
static char* ini_strncpy0(char* dest, const char* src, size_t size)
|
||||
{
|
||||
/* Could use strncpy internally, but it causes gcc warnings (see issue #91) */
|
||||
size_t i;
|
||||
for (i = 0; i < size - 1 && src[i]; i++)
|
||||
dest[i] = src[i];
|
||||
dest[i] = '\0';
|
||||
return dest;
|
||||
}
|
||||
|
||||
/* See documentation in header file. */
|
||||
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
|
||||
void* user)
|
||||
{
|
||||
/* Uses a fair bit of stack (use heap instead if you need to) */
|
||||
#if INI_USE_STACK
|
||||
char line[INI_MAX_LINE];
|
||||
size_t max_line = INI_MAX_LINE;
|
||||
#else
|
||||
char* line;
|
||||
size_t max_line = INI_INITIAL_ALLOC;
|
||||
#endif
|
||||
#if INI_ALLOW_REALLOC && !INI_USE_STACK
|
||||
char* new_line;
|
||||
#endif
|
||||
char section[MAX_SECTION] = "";
|
||||
#if INI_ALLOW_MULTILINE
|
||||
char prev_name[MAX_NAME] = "";
|
||||
#endif
|
||||
|
||||
size_t offset;
|
||||
char* start;
|
||||
char* end;
|
||||
char* name;
|
||||
char* value;
|
||||
int lineno = 0;
|
||||
int error = 0;
|
||||
char abyss[16]; /* Used to consume input when a line is too long. */
|
||||
size_t abyss_len;
|
||||
|
||||
assert(reader != NULL);
|
||||
assert(stream != NULL);
|
||||
assert(handler != NULL);
|
||||
|
||||
#if !INI_USE_STACK
|
||||
line = (char*)ini_malloc(INI_INITIAL_ALLOC);
|
||||
if (!line) {
|
||||
return -2;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if INI_HANDLER_LINENO
|
||||
#define HANDLER(u, s, n, v) handler(u, s, n, v, lineno)
|
||||
#else
|
||||
#define HANDLER(u, s, n, v) handler(u, s, n, v)
|
||||
#endif
|
||||
|
||||
/* Scan through stream line by line */
|
||||
while (reader(line, (int)max_line, stream) != NULL) {
|
||||
offset = strlen(line);
|
||||
|
||||
#if INI_ALLOW_REALLOC && !INI_USE_STACK
|
||||
while (max_line < INI_MAX_LINE &&
|
||||
offset == max_line - 1 && line[offset - 1] != '\n') {
|
||||
max_line *= 2;
|
||||
if (max_line > INI_MAX_LINE)
|
||||
max_line = INI_MAX_LINE;
|
||||
new_line = ini_realloc(line, max_line);
|
||||
if (!new_line) {
|
||||
ini_free(line);
|
||||
return -2;
|
||||
}
|
||||
line = new_line;
|
||||
if (reader(line + offset, (int)(max_line - offset), stream) == NULL)
|
||||
break;
|
||||
offset += strlen(line + offset);
|
||||
}
|
||||
#endif
|
||||
|
||||
lineno++;
|
||||
|
||||
/* If line exceeded INI_MAX_LINE bytes, discard till end of line. */
|
||||
if (offset == max_line - 1 && line[offset - 1] != '\n') {
|
||||
while (reader(abyss, sizeof(abyss), stream) != NULL) {
|
||||
if (!error)
|
||||
error = lineno;
|
||||
abyss_len = strlen(abyss);
|
||||
if (abyss_len > 0 && abyss[abyss_len - 1] == '\n')
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
start = line;
|
||||
#if INI_ALLOW_BOM
|
||||
if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
|
||||
(unsigned char)start[1] == 0xBB &&
|
||||
(unsigned char)start[2] == 0xBF) {
|
||||
start += 3;
|
||||
}
|
||||
#endif
|
||||
start = ini_rstrip(ini_lskip(start), line + offset);
|
||||
|
||||
if (strchr(INI_START_COMMENT_PREFIXES, *start)) {
|
||||
/* Start-of-line comment */
|
||||
}
|
||||
#if INI_ALLOW_MULTILINE
|
||||
else if (*prev_name && *start && start > line) {
|
||||
#if INI_ALLOW_INLINE_COMMENTS
|
||||
end = ini_find_chars_or_comment(start, NULL);
|
||||
*end = '\0';
|
||||
ini_rstrip(start, end);
|
||||
#endif
|
||||
/* Non-blank line with leading whitespace, treat as continuation
|
||||
of previous name's value (as per Python configparser). */
|
||||
if (!HANDLER(user, section, prev_name, start) && !error)
|
||||
error = lineno;
|
||||
}
|
||||
#endif
|
||||
else if (*start == '[') {
|
||||
/* A "[section]" line */
|
||||
end = ini_find_chars_or_comment(start + 1, "]");
|
||||
if (*end == ']') {
|
||||
*end = '\0';
|
||||
ini_strncpy0(section, start + 1, sizeof(section));
|
||||
#if INI_ALLOW_MULTILINE
|
||||
*prev_name = '\0';
|
||||
#endif
|
||||
#if INI_CALL_HANDLER_ON_NEW_SECTION
|
||||
if (!HANDLER(user, section, NULL, NULL) && !error)
|
||||
error = lineno;
|
||||
#endif
|
||||
}
|
||||
else if (!error) {
|
||||
/* No ']' found on section line */
|
||||
error = lineno;
|
||||
}
|
||||
}
|
||||
else if (*start) {
|
||||
/* Not a comment, must be a name[=:]value pair */
|
||||
end = ini_find_chars_or_comment(start, "=:");
|
||||
if (*end == '=' || *end == ':') {
|
||||
*end = '\0';
|
||||
name = ini_rstrip(start, end);
|
||||
value = end + 1;
|
||||
#if INI_ALLOW_INLINE_COMMENTS
|
||||
end = ini_find_chars_or_comment(value, NULL);
|
||||
*end = '\0';
|
||||
#endif
|
||||
value = ini_lskip(value);
|
||||
ini_rstrip(value, end);
|
||||
|
||||
#if INI_ALLOW_MULTILINE
|
||||
ini_strncpy0(prev_name, name, sizeof(prev_name));
|
||||
#endif
|
||||
/* Valid name[=:]value pair found, call handler */
|
||||
if (!HANDLER(user, section, name, value) && !error)
|
||||
error = lineno;
|
||||
}
|
||||
else {
|
||||
/* No '=' or ':' found on name[=:]value line */
|
||||
#if INI_ALLOW_NO_VALUE
|
||||
*end = '\0';
|
||||
name = ini_rstrip(start, end);
|
||||
if (!HANDLER(user, section, name, NULL) && !error)
|
||||
error = lineno;
|
||||
#else
|
||||
if (!error)
|
||||
error = lineno;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
#if INI_STOP_ON_FIRST_ERROR
|
||||
if (error)
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
|
||||
#if !INI_USE_STACK
|
||||
ini_free(line);
|
||||
#endif
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
/* See documentation in header file. */
|
||||
int ini_parse_file(FILE* file, ini_handler handler, void* user)
|
||||
{
|
||||
return ini_parse_stream((ini_reader)fgets, file, handler, user);
|
||||
}
|
||||
|
||||
/* See documentation in header file. */
|
||||
int ini_parse(const char* filename, ini_handler handler, void* user)
|
||||
{
|
||||
FILE* file;
|
||||
int error;
|
||||
|
||||
file = fopen(filename, "r");
|
||||
if (!file)
|
||||
return -1;
|
||||
error = ini_parse_file(file, handler, user);
|
||||
fclose(file);
|
||||
return error;
|
||||
}
|
||||
|
||||
/* An ini_reader function to read the next line from a string buffer. This
|
||||
is the fgets() equivalent used by ini_parse_string(). */
|
||||
static char* ini_reader_string(char* str, int num, void* stream) {
|
||||
ini_parse_string_ctx* ctx = (ini_parse_string_ctx*)stream;
|
||||
const char* ctx_ptr = ctx->ptr;
|
||||
size_t ctx_num_left = ctx->num_left;
|
||||
char* strp = str;
|
||||
char c;
|
||||
|
||||
if (ctx_num_left == 0 || num < 2)
|
||||
return NULL;
|
||||
|
||||
while (num > 1 && ctx_num_left != 0) {
|
||||
c = *ctx_ptr++;
|
||||
ctx_num_left--;
|
||||
*strp++ = c;
|
||||
if (c == '\n')
|
||||
break;
|
||||
num--;
|
||||
}
|
||||
|
||||
*strp = '\0';
|
||||
ctx->ptr = ctx_ptr;
|
||||
ctx->num_left = ctx_num_left;
|
||||
return str;
|
||||
}
|
||||
|
||||
/* See documentation in header file. */
|
||||
int ini_parse_string(const char* string, ini_handler handler, void* user) {
|
||||
return ini_parse_string_length(string, strlen(string), handler, user);
|
||||
}
|
||||
|
||||
/* See documentation in header file. */
|
||||
int ini_parse_string_length(const char* string, size_t length,
|
||||
ini_handler handler, void* user) {
|
||||
ini_parse_string_ctx ctx;
|
||||
|
||||
ctx.ptr = string;
|
||||
ctx.num_left = length;
|
||||
return ini_parse_stream((ini_reader)ini_reader_string, &ctx, handler,
|
||||
user);
|
||||
}
|
||||
189
vendor/inih/ini.h
vendored
Normal file
189
vendor/inih/ini.h
vendored
Normal file
@ -0,0 +1,189 @@
|
||||
/* inih -- simple .INI file parser
|
||||
|
||||
SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
Copyright (C) 2009-2025, Ben Hoyt
|
||||
|
||||
inih is released under the New BSD license (see LICENSE.txt). Go to the project
|
||||
home page for more info:
|
||||
|
||||
https://github.com/benhoyt/inih
|
||||
|
||||
*/
|
||||
|
||||
#ifndef INI_H
|
||||
#define INI_H
|
||||
|
||||
/* Make this header file easier to include in C++ code */
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
/* Nonzero if ini_handler callback should accept lineno parameter. */
|
||||
#ifndef INI_HANDLER_LINENO
|
||||
#define INI_HANDLER_LINENO 0
|
||||
#endif
|
||||
|
||||
/* Visibility symbols, required for Windows DLLs */
|
||||
#ifndef INI_API
|
||||
#if defined _WIN32 || defined __CYGWIN__
|
||||
# ifdef INI_SHARED_LIB
|
||||
# ifdef INI_SHARED_LIB_BUILDING
|
||||
# define INI_API __declspec(dllexport)
|
||||
# else
|
||||
# define INI_API __declspec(dllimport)
|
||||
# endif
|
||||
# else
|
||||
# define INI_API
|
||||
# endif
|
||||
#else
|
||||
# if defined(__GNUC__) && __GNUC__ >= 4
|
||||
# define INI_API __attribute__ ((visibility ("default")))
|
||||
# else
|
||||
# define INI_API
|
||||
# endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Typedef for prototype of handler function.
|
||||
|
||||
Note that even though the value parameter has type "const char*", the user
|
||||
may cast to "char*" and modify its content, as the value is not used again
|
||||
after the call to ini_handler. This is not true of section and name --
|
||||
those must not be modified.
|
||||
*/
|
||||
#if INI_HANDLER_LINENO
|
||||
typedef int (*ini_handler)(void* user, const char* section,
|
||||
const char* name, const char* value,
|
||||
int lineno);
|
||||
#else
|
||||
typedef int (*ini_handler)(void* user, const char* section,
|
||||
const char* name, const char* value);
|
||||
#endif
|
||||
|
||||
/* Typedef for prototype of fgets-style reader function. */
|
||||
typedef char* (*ini_reader)(char* str, int num, void* stream);
|
||||
|
||||
/* Parse given INI-style file. May have [section]s, name=value pairs
|
||||
(whitespace stripped), and comments starting with ';' (semicolon). Section
|
||||
is "" if name=value pair parsed before any section heading. name:value
|
||||
pairs are also supported as a concession to Python's configparser.
|
||||
|
||||
For each name=value pair parsed, call handler function with given user
|
||||
pointer as well as section, name, and value (data only valid for duration
|
||||
of handler call). Handler should return nonzero on success, zero on error.
|
||||
|
||||
Returns 0 on success, line number of first error on parse error (doesn't
|
||||
stop on first error), -1 on file open error, or -2 on memory allocation
|
||||
error (only when INI_USE_STACK is zero).
|
||||
*/
|
||||
INI_API int ini_parse(const char* filename, ini_handler handler, void* user);
|
||||
|
||||
/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
|
||||
close the file when it's finished -- the caller must do that. */
|
||||
INI_API int ini_parse_file(FILE* file, ini_handler handler, void* user);
|
||||
|
||||
/* Same as ini_parse(), but takes an ini_reader function pointer instead of
|
||||
filename. Used for implementing custom or string-based I/O (see also
|
||||
ini_parse_string). */
|
||||
INI_API int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
|
||||
void* user);
|
||||
|
||||
/* Same as ini_parse(), but takes a zero-terminated string with the INI data
|
||||
instead of a file. Useful for parsing INI data from a network socket or
|
||||
which is already in memory. */
|
||||
INI_API int ini_parse_string(const char* string, ini_handler handler, void* user);
|
||||
|
||||
/* Same as ini_parse_string(), but takes a string and its length, avoiding
|
||||
strlen(). Useful for parsing INI data from a network socket or which is
|
||||
already in memory, or interfacing with C++ std::string_view. */
|
||||
INI_API int ini_parse_string_length(const char* string, size_t length, ini_handler handler, void* user);
|
||||
|
||||
/* Nonzero to allow multi-line value parsing, in the style of Python's
|
||||
configparser. If allowed, ini_parse() will call the handler with the same
|
||||
name for each subsequent line parsed. */
|
||||
#ifndef INI_ALLOW_MULTILINE
|
||||
#define INI_ALLOW_MULTILINE 1
|
||||
#endif
|
||||
|
||||
/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
|
||||
the file. See https://github.com/benhoyt/inih/issues/21 */
|
||||
#ifndef INI_ALLOW_BOM
|
||||
#define INI_ALLOW_BOM 1
|
||||
#endif
|
||||
|
||||
/* Chars that begin a start-of-line comment. Per Python configparser, allow
|
||||
both ; and # comments at the start of a line by default. */
|
||||
#ifndef INI_START_COMMENT_PREFIXES
|
||||
#define INI_START_COMMENT_PREFIXES ";#"
|
||||
#endif
|
||||
|
||||
/* Nonzero to allow inline comments (with valid inline comment characters
|
||||
specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
|
||||
Python 3.2+ configparser behaviour. */
|
||||
#ifndef INI_ALLOW_INLINE_COMMENTS
|
||||
#define INI_ALLOW_INLINE_COMMENTS 1
|
||||
#endif
|
||||
#ifndef INI_INLINE_COMMENT_PREFIXES
|
||||
#define INI_INLINE_COMMENT_PREFIXES ";"
|
||||
#endif
|
||||
|
||||
/* Nonzero to use stack for line buffer, zero to use heap (malloc/free). */
|
||||
#ifndef INI_USE_STACK
|
||||
#define INI_USE_STACK 1
|
||||
#endif
|
||||
|
||||
/* Maximum line length for any line in INI file (stack or heap). Note that
|
||||
this must be 3 more than the longest line (due to '\r', '\n', and '\0'). */
|
||||
#ifndef INI_MAX_LINE
|
||||
#define INI_MAX_LINE 200
|
||||
#endif
|
||||
|
||||
/* Nonzero to allow heap line buffer to grow via realloc(), zero for a
|
||||
fixed-size buffer of INI_MAX_LINE bytes. Only applies if INI_USE_STACK is
|
||||
zero. */
|
||||
#ifndef INI_ALLOW_REALLOC
|
||||
#define INI_ALLOW_REALLOC 0
|
||||
#endif
|
||||
|
||||
/* Initial size in bytes for heap line buffer. Only applies if INI_USE_STACK
|
||||
is zero. */
|
||||
#ifndef INI_INITIAL_ALLOC
|
||||
#define INI_INITIAL_ALLOC 200
|
||||
#endif
|
||||
|
||||
/* Stop parsing on first error (default is to keep parsing). */
|
||||
#ifndef INI_STOP_ON_FIRST_ERROR
|
||||
#define INI_STOP_ON_FIRST_ERROR 0
|
||||
#endif
|
||||
|
||||
/* Nonzero to call the handler at the start of each new section (with
|
||||
name and value NULL). Default is to only call the handler on
|
||||
each name=value pair. */
|
||||
#ifndef INI_CALL_HANDLER_ON_NEW_SECTION
|
||||
#define INI_CALL_HANDLER_ON_NEW_SECTION 0
|
||||
#endif
|
||||
|
||||
/* Nonzero to allow a name without a value (no '=' or ':' on the line) and
|
||||
call the handler with value NULL in this case. Default is to treat
|
||||
no-value lines as an error. */
|
||||
#ifndef INI_ALLOW_NO_VALUE
|
||||
#define INI_ALLOW_NO_VALUE 0
|
||||
#endif
|
||||
|
||||
/* Nonzero to use custom ini_malloc, ini_free, and ini_realloc memory
|
||||
allocation functions (INI_USE_STACK must also be 0). These functions must
|
||||
have the same signatures as malloc/free/realloc and behave in a similar
|
||||
way. ini_realloc is only needed if INI_ALLOW_REALLOC is set. */
|
||||
#ifndef INI_CUSTOM_ALLOCATOR
|
||||
#define INI_CUSTOM_ALLOCATOR 0
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* INI_H */
|
||||
Loading…
x
Reference in New Issue
Block a user