通用轻量级C函数库-klib
2024-09-19 15:50:44 
阿炯
Klib 是一个可通用的 C 开发库，它提供了丰富的功能和工具，使得 C 语言编程更加便捷和强大。采用MIT/X11协议授权使用。
Klib is a standalone and lightweight C library. Most components are independent of external libraries, except the standard C library, and independent of each other. To use a component of this library, you only need to copy a couple of files to your source code tree without worrying about library dependencies.
特点
功能丰富：包含了众多实用的功能，如字符串处理、内存管理、数据结构、文件操作等。这些功能可以满足不同场景下的编程需求，大大提高了开发效率。
高效性能：在实现上注重性能优化，采用了高效的算法和数据结构，确保在处理大量数据时也能保持良好的性能。
易于使用：其 API 设计简洁明了，易于理解和使用。开发者可以快速上手，将其集成到自己的项目中。
Common components
khash.h: generic hash table with open addressing.
kbtree.h: generic search tree based on B-tree.
kavl.h: generic intrusive AVL tree.
ksort.h: generic sort, including introsort, merge sort, heap sort, comb sort, Knuth shuffle and the k-small algorithm.
kseq.h: generic stream buffer and a FASTA/FASTQ format parser.
kvec.h: generic dynamic array.
klist.h: generic single-linked list and memory pool.
kstring.{h,c}: basic string library.
kmath.{h,c}: numerical routines including MT19937-64 pseudorandom generator, basic nonlinear programming and a few special math functions.
ketopt.h: portable command-line argument parser with getopt_long-like API.
Components for more specific use cases
ksa.c: constructing suffix arrays for strings with multiple sentinels, based on a revised SAIS algorithm.
knetfile.{h,c}: random access to remote files on HTTP or FTP.
kopen.c: smart stream opening.
khmm.{h,c}: basic HMM library.
ksw.(h,c}: Striped Smith-Waterman algorithm.
knhx.{h,c}: Newick tree format parser.
示例代码
字符串处理功能
1.字符串拼接
#include "klib.h"
int main() {
char* str1 = "Hello";
char* str2 = " World";
char* result = kstr_concat(str1, str2);
printf("%s\n", result);
kfree(result);
return 0;
}
2.字符串长度计算
#include "klib.h"
int main() {
char* str = "Hello World";
size_t len = kstr_len(str);
printf("Length of string: %zu\n", len);
return 0;
}
内存管理功能
1.动态内存分配
#include "klib.h"
int main() {
int* arr = (int*)kmalloc(10 * sizeof(int));
for (int i = 0; i < 10; i++) {
arr[i] = i;
}
kfree(arr);
return 0;
}
2.内存复制
#include "klib.h"
int main() {
int src[] = {1, 2, 3, 4, 5};
int* dest = (int*)kmalloc(5 * sizeof(int));
kmemcpy(dest, src, 5 * sizeof(int));
for (int i = 0; i < 5; i++) {
printf("%d ", dest[i]);
}
kfree(dest);
return 0;
}
数据结构功能
1.链表操作
#include "klib.h"
typedef struct node {
int data;
struct node* next;
} Node;
int main() {
Node* head = NULL;
for (int i = 0; i < 5; i++) {
Node* new_node = (Node*)kmalloc(sizeof(Node));
new_node->data = i;
new_node->next = head;
head = new_node;
}
Node* current = head;
while (current!= NULL) {
printf("%d ", current->data);
Node* temp = current;
current = current->next;
kfree(temp);
}
return 0;
}
文件操作功能
1. 文件读取
#include "klib.h"
int main() {
FILE* file = kfopen("freeoa.net.txt", "r");
if (file == NULL) {
printf("Error opening file.\n");
return 1;
}
char buffer[100];
while (kfgets(buffer, sizeof(buffer), file)!= NULL) {
printf("%s", buffer);
}
kfclose(file);
return 0;
}
klib 是一个非常强大的 C 库，它为 C 语言开发者提供了丰富的功能和工具。通过使用 klib可提高编程效率，实现更加复杂的功能。无论是在小型项目还是大型项目中，klib 都能发挥重要的作用。
官方主页：
https://attractivechaos.github.io/klib/
https://github.com/attractivechaos/klib
Klib is a standalone and lightweight C library. Most components are independent of external libraries, except the standard C library, and independent of each other. To use a component of this library, you only need to copy a couple of files to your source code tree without worrying about library dependencies.
特点
功能丰富：包含了众多实用的功能，如字符串处理、内存管理、数据结构、文件操作等。这些功能可以满足不同场景下的编程需求，大大提高了开发效率。
高效性能：在实现上注重性能优化，采用了高效的算法和数据结构，确保在处理大量数据时也能保持良好的性能。
易于使用：其 API 设计简洁明了，易于理解和使用。开发者可以快速上手，将其集成到自己的项目中。
Common components
khash.h: generic hash table with open addressing.
kbtree.h: generic search tree based on B-tree.
kavl.h: generic intrusive AVL tree.
ksort.h: generic sort, including introsort, merge sort, heap sort, comb sort, Knuth shuffle and the k-small algorithm.
kseq.h: generic stream buffer and a FASTA/FASTQ format parser.
kvec.h: generic dynamic array.
klist.h: generic single-linked list and memory pool.
kstring.{h,c}: basic string library.
kmath.{h,c}: numerical routines including MT19937-64 pseudorandom generator, basic nonlinear programming and a few special math functions.
ketopt.h: portable command-line argument parser with getopt_long-like API.
Components for more specific use cases
ksa.c: constructing suffix arrays for strings with multiple sentinels, based on a revised SAIS algorithm.
knetfile.{h,c}: random access to remote files on HTTP or FTP.
kopen.c: smart stream opening.
khmm.{h,c}: basic HMM library.
ksw.(h,c}: Striped Smith-Waterman algorithm.
knhx.{h,c}: Newick tree format parser.
示例代码
字符串处理功能
1.字符串拼接
#include "klib.h"
int main() {
char* str1 = "Hello";
char* str2 = " World";
char* result = kstr_concat(str1, str2);
printf("%s\n", result);
kfree(result);
return 0;
}
2.字符串长度计算
#include "klib.h"
int main() {
char* str = "Hello World";
size_t len = kstr_len(str);
printf("Length of string: %zu\n", len);
return 0;
}
内存管理功能
1.动态内存分配
#include "klib.h"
int main() {
int* arr = (int*)kmalloc(10 * sizeof(int));
for (int i = 0; i < 10; i++) {
arr[i] = i;
}
kfree(arr);
return 0;
}
2.内存复制
#include "klib.h"
int main() {
int src[] = {1, 2, 3, 4, 5};
int* dest = (int*)kmalloc(5 * sizeof(int));
kmemcpy(dest, src, 5 * sizeof(int));
for (int i = 0; i < 5; i++) {
printf("%d ", dest[i]);
}
kfree(dest);
return 0;
}
数据结构功能
1.链表操作
#include "klib.h"
typedef struct node {
int data;
struct node* next;
} Node;
int main() {
Node* head = NULL;
for (int i = 0; i < 5; i++) {
Node* new_node = (Node*)kmalloc(sizeof(Node));
new_node->data = i;
new_node->next = head;
head = new_node;
}
Node* current = head;
while (current!= NULL) {
printf("%d ", current->data);
Node* temp = current;
current = current->next;
kfree(temp);
}
return 0;
}
文件操作功能
1. 文件读取
#include "klib.h"
int main() {
FILE* file = kfopen("freeoa.net.txt", "r");
if (file == NULL) {
printf("Error opening file.\n");
return 1;
}
char buffer[100];
while (kfgets(buffer, sizeof(buffer), file)!= NULL) {
printf("%s", buffer);
}
kfclose(file);
return 0;
}
klib 是一个非常强大的 C 库，它为 C 语言开发者提供了丰富的功能和工具。通过使用 klib可提高编程效率，实现更加复杂的功能。无论是在小型项目还是大型项目中，klib 都能发挥重要的作用。
官方主页：
https://attractivechaos.github.io/klib/
https://github.com/attractivechaos/klib