diff options
| author | czjstmax <jstmaxlol@disroot.org> | 2025-12-19 23:09:12 +0100 |
|---|---|---|
| committer | czjstmax <jstmaxlol@disroot.org> | 2025-12-19 23:09:12 +0100 |
| commit | fe0479de0c0305eafb1d3aa1456850af9e3b4fca (patch) | |
| tree | 6fb8cf53d09f3d2dfa95f6878f4c8c5e8354219a /kat.h | |
| parent | bfc14c6903a0d082286d02ec2f99856da1bfb719 (diff) | |
Development started, cumulative commit #1
Diffstat (limited to 'kat.h')
| -rw-r--r-- | kat.h | 175 |
1 files changed, 0 insertions, 175 deletions
@@ -1,175 +0,0 @@ -// kat.cfg (kat.h) -// with love by czjstmax <jstmaxlol@disroot.org> -// header version 2 - -#pragma once - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> - -#ifndef KAT -#define KAT - -struct kat_api { - int (*create)(const char*); - int (*add)(const char*, const char*, const char*); - int (*read)(const char*, const char*, char*, size_t); - int (*del)(const char*, const char*); - int (*edit)(const char*, const char*, const char*); - int (*addComment)(const char*, const char*); -}; - -// Creates a file -static inline int katcreate(const char *path) { - FILE *f = fopen(path, "w"); - if (!f) return 1; - fclose(f); - return 0; // success -} - -// Appends a key=val to file -static inline int katadd(const char *key, const char *val, const char *path) { - FILE *f = fopen(path, "a"); - if (f) { - fprintf(f, "%s=%s\n", key, val); - fclose(f); - return 0; - } - return 1; -} - -// Appends a comment to file -static inline int kataddcomment(const char *str, const char *path) { - FILE *f = fopen(path, "a"); - if (f) { - fprintf(f, "#%s\n", str); - fclose(f); - return 0; - } - return 1; -} - -// Reads a key from file -static inline int katreadkey(const char *key, const char *path, char *buffer, size_t bufsize) { - FILE *f = fopen(path, "r"); - if (!f) return 1; - - char line[1024]; - size_t key_len = strlen(key); - - while (fgets(line, sizeof(line), f)) { - // TODO: skip leading whitespace maybe? - // check if line starts with key and '=' right after - if (strncmp(line, key, key_len) == 0 && line[key_len] == '=') { - if (line[0] == '#' || line[0] == ';' || line[0] == '\n') continue; - // copy everything after '=' until newline or buffer full (aka bad) - char *val_start = line + key_len + 1; - size_t len = strcspn(val_start, "\r\n"); // length until newline - if (len >= bufsize) len = bufsize - 1; - strncpy(buffer, val_start, len); - buffer[len] = '\0'; - fclose(f); - return 0; // success - } - } - - fclose(f); - return 1; -} - -// Deletes a key from file -static inline int katdelkey(const char *key, const char *path) { - FILE *f = fopen(path, "r"); - if (!f) return 1; - - char temp_path[1024]; - snprintf(temp_path, sizeof(temp_path), "%s.tmp", path); - FILE *temp = fopen(temp_path, "w"); - if (!temp) { - fclose(f); - return 1; - } - - char line[1024]; - size_t key_len = strlen(key); - int deleted = 0; - - while (fgets(line, sizeof(line), f)) { - // skip line if it matches 'key=' - if (strncmp(line, key, key_len) == 0 && line[key_len] == '=') { - deleted = 1; - continue; - } - fputs(line, temp); - } - - fclose(f); - fclose(temp); - - if (deleted) { - // replace original file with temp - if (remove(path) != 0) return 1; - if (rename(temp_path, path) != 0) return 1; - } else { - remove(temp_path); - } - - return deleted ? 0 : 1; // 0 if deleted, 1 if not found -} - -// Edits a key's value from file -static inline int kateditkey(const char *key, const char *new_val, const char *path) { - FILE *f = fopen(path, "r"); - if (!f) return 1; - - char temp_path[1024]; - snprintf(temp_path, sizeof(temp_path), "%s.tmp", path); - FILE *temp = fopen(temp_path, "w"); - if (!temp) { - fclose(f); - return 1; - } - - char line[1024]; - size_t key_len = strlen(key); - int found = 0; - - while (fgets(line, sizeof(line), f)) { - // skip leading whitespace for accurate matching - char *start = line; - while (*start == ' ' || *start == '\t') start++; - - if (strncmp(start, key, key_len) == 0 && start[key_len] == '=') { - // replace line with new key=val - fprintf(temp, "%s=%s\n", key, new_val); - found = 1; - } else { - fputs(line, temp); - } - } - - if (!found) { - // key not found, add it at the end - fprintf(temp, "%s=%s\n", key, new_val); - } - - fclose(f); - fclose(temp); - - if (remove(path) != 0) return 1; - if (rename(temp_path, path) != 0) return 1; - - return 0; -} - -struct kat_api kat = { - .create = katcreate, - .add = katadd, - .read = katreadkey, - .del = katdelkey, - .edit = kateditkey, - .addComment = kataddcomment, -}; - -#endif |