下面的函數基本上模擬了mkdir -p
遞歸創建給定路徑的目錄。在Linux下,我沒有任何問題,但是在OSX下運行時,在調用free(dir)
期間,它總是出現錯誤pointer being freed was not allocated
。任何人都可以發現錯誤?當我在gdb中執行時,我沒有看到任何明顯的問題,dir
已填充並且目錄結構創建時沒有錯誤。正在釋放的指針未分配(僅適用於osx)
static int
mkpath(const char *path)
{
int result = 0;
struct stat st;
char *p = NULL, *dir = strdup(path);
char *tmp = g_malloc0(sizeof(char) * strlen(cache.path) + strlen(dir) + 1);
dir = dirname(dir);
tmp = strcpy(tmp, cache.path);
p = strtok(dir, "/");
while(p != NULL) {
tmp = strncat(tmp, "/", 1);
tmp = strncat(tmp, p, strlen(p));
if(stat(tmp, &st) == 0) {
if(S_ISDIR(st.st_mode)) {
p = strtok(NULL, "/");
continue;
}
result = -ENOTDIR;
break;
}
if(mkdir(tmp, S_IRWXU) == -1) {
result = -errno;
break;
}
p = strtok(NULL, "/");
}
free(tmp);
free(dir);
return result;
}