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352 lines
6.9 KiB
C
352 lines
6.9 KiB
C
/* --------------------------------------------------------------
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* File : xy.h
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* Authors : Aoran Zeng <ccmywish@qq.com>
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* Created on : <2023-08-28>
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* Last modified : <2023-09-05>
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*
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* xy:
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*
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* y = f(x)
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* -------------------------------------------------------------*/
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#ifndef XY_H
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#define XY_H
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <assert.h>
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// #define NDEBUG
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#ifdef _WIN32
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static bool xy_on_windows = true;
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static bool xy_on_linux = false;
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static bool xy_on_macos = false;
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static bool xy_on_bsds = false;
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static char* xy_os_devnull = "nul";
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#include <windows.h>
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#define xy_useutf8() SetConsoleOutputCP(65001)
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#elif defined(__linux__) || defined(__linux)
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static bool xy_on_windows = false;
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static bool xy_on_linux = true;
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static bool xy_on_macos = false;
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static bool xy_on_bsds = false;
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static char* xy_os_devnull = "/dev/null"
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#define xy_useutf8()
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#elif defined(TARGET_OS_MAC) ||defined(__MACOSX__)
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static bool xy_on_windows = false;
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static bool xy_on_linux = false;
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static bool xy_on_macos = true;
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static bool xy_on_bsds = false;
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// set xy_os_devnull
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#define xy_useutf8()
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#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)
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static bool xy_on_windows = false;
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static bool xy_on_linux = false;
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static bool xy_on_macos = false;
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static bool xy_on_bsds = true;
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// set xy_os_devnull
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#define xy_useutf8()
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#endif
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#define putf(n) printf("%f\n", n)
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#define puti(n) printf("%d\n", n)
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#define putb(n) if(n) puts("true"); else puts("false");
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#define xy_arylen(x) (sizeof(x) / sizeof(x[0]))
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static inline void*
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xy_malloc0 (size_t size)
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{
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void* ptr = malloc(size);
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memset(ptr, 0, size);
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return ptr;
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}
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#define XY_INFO 00001
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#define XY_SUCCESS 00001<<1
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#define XY_WARN 00001<<2
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#define XY_ERROR 00001<<3
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static void
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xy_log (int level, const char* str)
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{
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char* color_fmt_str = NULL;
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bool to_stderr = false;
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if (level & XY_INFO) {
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color_fmt_str = "\033[34m%s\033[0m"; // 蓝色
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}
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else if (level & XY_SUCCESS) {
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color_fmt_str = "\033[32m%s\033[0m"; // 绿色
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}
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else if (level & XY_WARN) {
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color_fmt_str = "\033[33m%s\033[0m\n"; // 黄色
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to_stderr = true;
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}
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else if (level & XY_ERROR) {
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color_fmt_str = "\033[31m%s\033[0m\n"; // 红色
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to_stderr = true;
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}
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else {
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//xy_assert ("CAN'T REACH!");
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}
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// -2 把中间%s减掉
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size_t len = strlen(color_fmt_str) -2;
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char* buf = malloc(strlen(str) + len + 1);
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sprintf (buf, color_fmt_str, str);
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if (to_stderr) {
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fprintf(stderr, buf);
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} else {
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puts(buf);
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}
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free(buf);
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}
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#define xy_info(str) xy_log (XY_INFO, str)
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#define xy_error(str) xy_log (XY_ERROR, str)
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/**
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* 将str中所有的src字符替换成dest,并返回一个全新的字符串
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* 现在已经废弃不用
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*/
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static char*
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xy_strch (const char* str, char src,const char* dest)
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{
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size_t str_len = strlen(str);
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size_t dest_len = strlen(dest);
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size_t size = str_len*dest_len;
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char* ret = (char*)malloc(size);
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int i=0;
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int j=0;
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while(i<str_len) {
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if(str[i]==src) {
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int k=0;
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while(k<dest_len){
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ret[j++] = dest[k++];
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}
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i++;
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}
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else {
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ret[j++] = str[i++];
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}
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}
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ret[j] = 0;
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return ret;
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}
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static void
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xy_success (const char* str1)
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{
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char color_fmt_str[] = "\033[32m%s\033[0m";
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// -2 把中间%s减掉，-1 把末尾nul减掉
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size_t len = sizeof(color_fmt_str) -2 -1;
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char* buf = malloc(strlen(str1) + len + 1);
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sprintf (buf, color_fmt_str, str1);
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puts(buf);
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free(buf);
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}
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static void
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xy_warn (const char* str1)
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{
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// 注意，我们这里相比于xy_suceess()多了一个换行符
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char color_fmt_str[] = "\033[33m%s\033[0m\n";
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// -2 把中间%s减掉，-1 把末尾nul减掉
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size_t len = sizeof(color_fmt_str) -2 -1;
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char* buf = malloc(strlen(str1) + len + 1);
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sprintf (buf, color_fmt_str, str1);
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fprintf(stderr, buf);
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free(buf);
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}
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static char*
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xy_2strjoin (const char* str1, const char* str2)
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{
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size_t len = strlen(str1);
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size_t size = len + strlen(str2) + 1;
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char* ret = malloc(size);
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strcpy(ret, str1);
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strcpy(ret+len, str2);
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return ret;
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}
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static char*
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xy_strjoin (unsigned int count, ...)
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{
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size_t al_fixed = 128;
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char* ret = calloc(1, al_fixed);
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// 已分配次数
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int al_times = 1;
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// 当前已分配量
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size_t al_cur = al_fixed;
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const char* str = NULL;
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// 需要分配的量
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size_t al_need = 0;
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// 用于 strcpy() 到 ret 的哪个位置
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char* cur = ret + 0;
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va_list args;
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va_start(args, count);
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for(int i=0; i<count; i++)
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{
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// 是否需要重新分配
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bool need_realloc = false;
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str = va_arg(args, const char*);
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al_need += strlen(str);
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while (al_need > al_cur) {
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al_times += 1; al_cur = al_times * al_fixed;
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need_realloc = true;
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}
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// printf("al_times %d, al_need %zd, al_cur %zd\n", al_times, al_need, al_cur);
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if (need_realloc) {
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ptrdiff_t diff = cur - ret;
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ret = realloc(ret, al_cur);
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cur = ret + diff;
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}
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if (NULL==ret) {
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xy_error ("xy: No availble memory!"); return NULL;
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}
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strcpy(cur, str);
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// puts(ret);
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cur += strlen(str);
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}
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va_end(args);
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*cur = '\0';
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return ret;
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}
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char*
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xy_strdup(const char* str)
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{
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size_t len = strlen(str);
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char* new = xy_malloc0(len+1);
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strcpy(new, str);
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}
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bool
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xy_streql(const char* str1, const char* str2) {
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return strcmp(str1, str2) == 0 ? true : false;
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}
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char*
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xy_str_to_quietcmd (const char* cmd)
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{
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char* ret = NULL;
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#ifdef _WIN32
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ret = xy_2strjoin (cmd, " >nul 2>nul ");
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#else
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ret = xy_2strjoin (cmd, " 1>/dev/null 2>&1 ");
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#endif
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return ret;
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}
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bool
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xy_str_end_with (const char* str, const char* suffix)
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{
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size_t len1 = strlen(str);
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size_t len2 = strlen(suffix);
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if (0==len2) return true; // 空字符串直接返回
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if (len1 < len2) return false;
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const char* cur1 = str + len1 - 1;
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const char* cur2 = suffix + len2 - 1;
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for (int i=0; i<len2; i++)
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{
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if (*cur1 != *cur2) return false;
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cur1--; cur2--;
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}
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return true;
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}
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bool
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xy_str_start_with (const char* str, const char* prefix)
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{
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size_t len1 = strlen(str);
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size_t len2 = strlen(prefix);
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if (0==len2) return true; // 空字符串直接返回
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if (len1 < len2) return false;
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const char* cur1 = str;
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const char* cur2 = prefix;
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for (int i=0; i<len2; i++)
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{
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if (*cur1 != *cur2) return false;
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cur1++; cur2++;
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}
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return true;
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}
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char*
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xy_str_delete_prefix (const char* str, const char* prefix)
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{
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char* new = xy_strdup(str);
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bool yes = xy_str_start_with(str, prefix);
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if (!yes) return new;
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size_t len = strlen(prefix);
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char* cur = new + len;
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return cur;
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}
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char*
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xy_str_delete_suffix (const char* str, const char* suffix)
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{
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char* new = xy_strdup(str);
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bool yes = xy_str_end_with(str, suffix);
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if (!yes) return new;
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size_t len1 = strlen(str);
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size_t len2 = strlen(suffix);
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char* cur = new + len1 - len2;
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*cur = '\0';
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return new;
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}
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#endif
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