opsJson’s gists

opsJson / list.c

Last active May 30, 2023 21:04

	#ifndef LIST_H_
	#define LIST_H_

	#define LIST(TYPE, SIZE) \
	\
	static TYPE list_##TYPE[SIZE]; \
	static int list_start_##TYPE = 0; \
	static int list_end_##TYPE = 0; \
	int list_##TYPE_size = SIZE; \
	\

opsJson / hashtable.c

Created May 28, 2023 03:40

Hashtable macro in C. TYPE is the variable type, KEY_SIZE is the maximum key string size, TABLE_SIZE is the maximum table size. (must be a prime number)

	#ifndef HASHTABLE_H_
	#define HASHTABLE_H_

	#include <string.h>

	unsigned int djb2(const char *str){
	unsigned long hash = 5381;
	int c;

	while ((c = *str++)) {

opsJson / autobuild.c

Last active May 22, 2023 21:00

Automatically rebuild your program when you run it

	#ifndef _AUTO_BUILD_H_
	#define _AUTO_BUILD_H_

	#include <stdlib.h>

	#ifndef AUTOBUILD_TARGET
	#ifdef _WIN32
	#define AUTOBUILD_TARGET "autobuild.exe"
	#else
	#define AUTOBUILD_TARGET "./autobuild"

opsJson / makestr.c

Last active February 9, 2024 10:39

Easily allocate strings with a printf-like function.

	#include <stdio.h>
	#include <stdlib.h>
	#include <stdarg.h>
	#include <wchar.h>

	char makestr(char format, ...) {
	va_list args;
	int size;
	char *result;

opsJson / go.c

Last active June 6, 2023 22:15

C interface for libcurl.

	#ifndef _GO_H_
	#define _GO_H_

	#include <curl/curl.h>

	typedef struct {
	char *headers;
	char *body;
	CURL *handle;
	long int statuscode;

opsJson / cbprint.c

Last active May 4, 2024 03:17

Easy win32 GDI Print API interface with callbacks.

	#ifndef _PRINTER_PAGE_H_
	#define _PRINTER_PAGE_H_

	#include <windows.h>

	/* compile with flags -lgdi32 and -lwinspool */

	int PrintPage(wchar_t printer_name, void (callback)(HDC printer, void userdata), void userdata) {
	HDC printer;
	DOCINFOA docinfo;

opsJson / easy_sql.c

Last active December 17, 2022 17:18

Really Easy MYSQL C API interface. Features: printf like arguments, auto escape arguments, multiple statement execution and auto reconnection.

	#ifndef _EASY_SQL_H_
	#define _EASY_SQL_H_

	#include <mysql.h>
	#include <stdio.h>
	#include <string.h>

	typedef my_ulonglong MYSQL_COUNT;

	MYSQL sql_open(char host, int port, char user, char pass, char *db);

opsJson / unicode.c

Last active July 29, 2022 22:14

UTF8 codec in C

	void utf8_encode(int codepoint, unsigned char encoded[5]) {

	if (codepoint < 0x80) {
	encoded[1] = 0;

	encoded[0] = codepoint;
	encoded[0] &= ~(1 << 7);
	return;
	}

opsJson / elf.c

Last active September 22, 2022 03:40

ELF - Elegant Leaks Finder

	#ifndef ELF_H
	#define ELF_H

	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>

	#ifndef ELF_CAPACITY
	#define ELF_CAPACITY 1024
	#endif

opsJson / mysql_api.c

Last active July 30, 2022 18:21

Easy MYSQL C API interface

	#ifndef MYSQL_API_H
	#define MYSQL_API_H

	#include <mysql.h>
	#include <stdio.h>

	typedef struct MYSQL_CTX {
	/* public */
	unsigned int rows;
	unsigned int columns;