chore: drop orphan src/utils.c from v1.1 merge (v1.2 uses portable.c)

src/utils.c

@@ -1,140 +0,0 @@
-#include "common.h"
-#include <ctype.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-/* 全局日志回调 */
-LogCallback g_log_callback = NULL;
-
-void set_log_callback(LogCallback cb) {
-    g_log_callback = cb;
-}
-
-char* get_timestamp(char* buf, size_t bufsize, const char* fmt) {
-    time_t now = time(NULL);
-    struct tm* tm_info = localtime(&now);
-    
-    if (fmt == NULL) {
-        fmt = "%Y-%m-%d %H:%M:%S";
-    }
-    
-    strftime(buf, bufsize, fmt, tm_info);
-    return buf;
-}
-
-char* str_tolower(char* str) {
-    char* p = str;
-    while (*p) {
-        *p = tolower((unsigned char)*p);
-        p++;
-    }
-    return str;
-}
-
-size_t safe_strcpy(char* dest, const char* src, size_t size) {
-    if (size == 0 || src == NULL) return 0;
-    
-    size_t len = strlen(src);
-    if (len >= size) {
-        len = size - 1;
-    }
-    memcpy(dest, src, len);
-    dest[len] = '\0';
-    return len;
-}
-
-/* 简单的文件写入工具 */
-int write_file(const char* path, const char* content) {
-    FILE* fp = fopen(path, "w");
-    if (fp == NULL) {
-        LOG_ERROR("Failed to open file: %s, error: %s", path, strerror(errno));
-        return FAILURE;
-    }
-    
-    fprintf(fp, "%s", content);
-    fclose(fp);
-    return SUCCESS;
-}
-
-/* 读取配置文件(简单键值对格式) */
-char* read_config_value(const char* file, const char* key) {
-    static char value[256];
-    FILE* fp = fopen(file, "r");
-    if (fp == NULL) {
-        LOG_ERROR("Failed to open config file: %s", file);
-        return NULL;
-    }
-    
-    char line[512];
-    while (fgets(line, sizeof(line), fp)) {
-        /* 跳过注释和空行 */
-        if (line[0] == '#' || line[0] == ';' || line[0] == '\n') continue;
-        
-        /* 移除换行符 */
-        line[strcspn(line, "\n")] = '\0';
-        
-        char* eq = strchr(line, '=');
-        if (eq != NULL) {
-            *eq = '\0';
-            if (strcmp(line, key) == 0) {
-                safe_strcpy(value, eq + 1, sizeof(value));
-                fclose(fp);
-                return value;
-            }
-        }
-    }
-    
-    fclose(fp);
-    return NULL;
-}
-
-/* 确保目录存在 */
-int ensure_directory(const char* path) {
-    struct stat st;
-    if (stat(path, &st) == 0) {
-        return S_ISDIR(st.st_mode) ? SUCCESS : FAILURE;
-    }
-    
-    /* 递归创建目录 */
-    char tmp[MAX_PATH_SIZE];
-    safe_strcpy(tmp, path, sizeof(tmp));
-    
-    char* p = tmp;
-    while (*p) {
-        if (*p == '/') {
-            *p = '\0';
-            mkdir(tmp, 0755);
-            *p = '/';
-        }
-        p++;
-    }
-    mkdir(tmp, 0755);
-    return SUCCESS;
-}
-
-/* 生成唯一ID */
-static int g_id_counter = 0;
-int generate_id(void) {
-    return ++g_id_counter;
-}
-
-/* 睡眠(可中断) */
-int sleep_milliseconds(int ms) {
-    struct timespec ts;
-    ts.tv_sec = ms / 1000;
-    ts.tv_nsec = (ms % 1000) * 1000000L;
-    return nanosleep(&ts, NULL);
-}
-
-/* 获取当前毫秒时间戳 */
-long long get_current_ms(void) {
-    struct timeval tv;
-    gettimeofday(&tv, NULL);
-    return (long long)tv.tv_sec * 1000 + tv.tv_usec / 1000;
-}
-
-/* 获取当前秒时间戳 */
-long long get_current_s(void) {
-    return (long long)time(NULL);
-}