--- lbbs/src/file_loader.c	2025/11/19 03:12:58	1.22
+++ lbbs/src/file_loader.c	2025/12/19 06:16:27	1.26
@@ -32,6 +32,7 @@ struct shm_header_t
 int load_file(const char *filename)
 {
 	char filepath[FILE_PATH_LEN];
+	char shm_name[FILE_NAME_LEN];
 	int fd;
 	struct stat sb;
 	void *p_data;
@@ -44,19 +45,19 @@ int load_file(const char *filename)
 
 	if (filename == NULL)
 	{
-		log_error("NULL pointer error\n");
+		log_error("NULL pointer error");
 		return -1;
 	}
 
 	if ((fd = open(filename, O_RDONLY)) < 0)
 	{
-		log_error("open(%s) error (%d)\n", filename, errno);
+		log_error("open(%s) error (%d)", filename, errno);
 		return -1;
 	}
 
 	if (fstat(fd, &sb) < 0)
 	{
-		log_error("fstat(fd) error (%d)\n", errno);
+		log_error("fstat(fd) error (%d)", errno);
 		close(fd);
 		return -1;
 	}
@@ -65,14 +66,14 @@ int load_file(const char *filename)
 	p_data = mmap(NULL, data_len, PROT_READ, MAP_SHARED, fd, 0L);
 	if (p_data == MAP_FAILED)
 	{
-		log_error("mmap() error (%d)\n", errno);
+		log_error("mmap() error (%d)", errno);
 		close(fd);
 		return -2;
 	}
 
 	if (close(fd) < 0)
 	{
-		log_error("close(fd) error (%d)\n", errno);
+		log_error("close(fd) error (%d)", errno);
 		return -1;
 	}
 
@@ -81,22 +82,24 @@ int load_file(const char *filename)
 	// Allocate shared memory
 	size = sizeof(struct shm_header_t) + data_len + 1 + sizeof(long) * (size_t)(line_total + 1);
 
-	if (unload_file(filename) < 0)
+	strncpy(filepath, filename, sizeof(filepath) - 1);
+	filepath[sizeof(filepath) - 1] = '\0';
+	snprintf(shm_name, sizeof(shm_name), "/FILE_SHM_%s", basename(filepath));
+
+	if (shm_unlink(shm_name) == -1 && errno != ENOENT)
 	{
+		log_error("shm_unlink(%s) error (%d)", shm_name, errno);
 		return -2;
 	}
 
-	strncpy(filepath, filename, sizeof(filepath) - 1);
-	filepath[sizeof(filepath) - 1] = '\0';
-
-	if ((fd = shm_open(basename(filepath), O_CREAT | O_EXCL | O_RDWR, 0600)) == -1)
+	if ((fd = shm_open(shm_name, O_CREAT | O_EXCL | O_RDWR, 0600)) == -1)
 	{
-		log_error("shm_open(%s) error (%d)\n", basename(filepath), errno);
+		log_error("shm_open(%s) error (%d)", shm_name, errno);
 		return -2;
 	}
 	if (ftruncate(fd, (off_t)size) == -1)
 	{
-		log_error("ftruncate(size=%d) error (%d)\n", size, errno);
+		log_error("ftruncate(size=%d) error (%d)", size, errno);
 		close(fd);
 		return -2;
 	}
@@ -104,14 +107,14 @@ int load_file(const char *filename)
 	p_shm = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0L);
 	if (p_shm == MAP_FAILED)
 	{
-		log_error("mmap() error (%d)\n", errno);
+		log_error("mmap() error (%d)", errno);
 		close(fd);
 		return -2;
 	}
 
 	if (close(fd) < 0)
 	{
-		log_error("close(fd) error (%d)\n", errno);
+		log_error("close(fd) error (%d)", errno);
 		return -1;
 	}
 
@@ -122,7 +125,7 @@ int load_file(const char *filename)
 
 	if (munmap(p_data, data_len) < 0)
 	{
-		log_error("munmap() error (%d)\n", errno);
+		log_error("munmap() error (%d)", errno);
 		munmap(p_shm, size);
 		return -2;
 	}
@@ -133,7 +136,7 @@ int load_file(const char *filename)
 
 	if (munmap(p_shm, size) < 0)
 	{
-		log_error("munmap() error (%d)\n", errno);
+		log_error("munmap() error (%d)", errno);
 		return -2;
 	}
 
@@ -143,19 +146,21 @@ int load_file(const char *filename)
 int unload_file(const char *filename)
 {
 	char filepath[FILE_PATH_LEN];
+	char shm_name[FILE_NAME_LEN];
 
 	if (filename == NULL)
 	{
-		log_error("NULL pointer error\n");
+		log_error("NULL pointer error");
 		return -1;
 	}
 
 	strncpy(filepath, filename, sizeof(filepath) - 1);
 	filepath[sizeof(filepath) - 1] = '\0';
+	snprintf(shm_name, sizeof(shm_name), "/FILE_SHM_%s", basename(filepath));
 
-	if (shm_unlink(basename(filepath)) == -1 && errno != ENOENT)
+	if (shm_unlink(shm_name) == -1 && errno != ENOENT)
 	{
-		log_error("shm_unlink(%s) error (%d)\n", basename(filepath), errno);
+		log_error("shm_unlink(%s) error (%d)", shm_name, errno);
 		return -2;
 	}
 
@@ -165,6 +170,7 @@ int unload_file(const char *filename)
 void *get_file_shm_readonly(const char *filename, size_t *p_data_len, long *p_line_total, const void **pp_data, const long **pp_line_offsets)
 {
 	char filepath[FILE_PATH_LEN];
+	char shm_name[FILE_NAME_LEN];
 	int fd;
 	void *p_shm = NULL;
 	struct stat sb;
@@ -172,22 +178,23 @@ void *get_file_shm_readonly(const char *
 
 	if (filename == NULL || p_data_len == NULL || p_line_total == NULL || pp_data == NULL || pp_line_offsets == NULL)
 	{
-		log_error("NULL pointer error\n");
+		log_error("NULL pointer error");
 		return NULL;
 	}
 
 	strncpy(filepath, filename, sizeof(filepath) - 1);
 	filepath[sizeof(filepath) - 1] = '\0';
+	snprintf(shm_name, sizeof(shm_name), "/FILE_SHM_%s", basename(filepath));
 
-	if ((fd = shm_open(basename(filepath), O_RDONLY, 0600)) == -1)
+	if ((fd = shm_open(shm_name, O_RDONLY, 0600)) == -1)
 	{
-		log_error("shm_open(%s) error (%d)\n", basename(filepath), errno);
+		log_error("shm_open(%s) error (%d)", shm_name, errno);
 		return NULL;
 	}
 
 	if (fstat(fd, &sb) < 0)
 	{
-		log_error("fstat(fd) error (%d)\n", errno);
+		log_error("fstat(fd) error (%d)", errno);
 		close(fd);
 		return NULL;
 	}
@@ -197,20 +204,20 @@ void *get_file_shm_readonly(const char *
 	p_shm = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0L);
 	if (p_shm == MAP_FAILED)
 	{
-		log_error("mmap() error (%d)\n", errno);
+		log_error("mmap() error (%d)", errno);
 		close(fd);
 		return NULL;
 	}
 
 	if (close(fd) < 0)
 	{
-		log_error("close(fd) error (%d)\n", errno);
+		log_error("close(fd) error (%d)", errno);
 		return NULL;
 	}
 
 	if (((struct shm_header_t *)p_shm)->shm_size != size)
 	{
-		log_error("Shared memory size mismatch (%ld != %ld)\n", ((struct shm_header_t *)p_shm)->shm_size, size);
+		log_error("Shared memory size mismatch (%ld != %ld)", ((struct shm_header_t *)p_shm)->shm_size, size);
 		munmap(p_shm, size);
 		return NULL;
 	}
@@ -236,7 +243,7 @@ int detach_file_shm(void *p_shm)
 
 	if (munmap(p_shm, size) < 0)
 	{
-		log_error("munmap() error (%d)\n", errno);
+		log_error("munmap() error (%d)", errno);
 		return -2;
 	}