#include <stdio.h> #include <unistd.h> #include <string.h> #include <time.h> #include <errno.h> #include <libsmbclient.h> #include "get_auth_data_fn.h" int main(int argc, char * argv[]) { int fd; int ret; int debug = 0; int savedErrno; char buffer[128]; char * pSmbPath = NULL; char * pLocalPath = NULL; struct stat st; if (argc != 2) { printf("usage: " "%s smb://path/to/file\n", argv[0]); return 1; } smbc_init(get_auth_data_fn, debug); if ((fd = smbc_open(argv[1], O_WRONLY | O_CREAT | O_TRUNC, 0)) < 0) { perror("smbc_open"); return 1; } strcpy(buffer, "Hello world.\nThis is a test.\n"); ret = smbc_write(fd, buffer, strlen(buffer)); savedErrno = errno; smbc_close(fd); if (ret < 0) { errno = savedErrno; perror("write"); } if (smbc_stat(argv[1], &st) < 0) { perror("smbc_stat"); return 1; } printf("Original size: %lu\n", (unsigned long) st.st_size); if ((fd = smbc_open(argv[1], O_WRONLY, 0)) < 0) { perror("smbc_open"); return 1; } ret = smbc_ftruncate(fd, 13); savedErrno = errno; smbc_close(fd); if (ret < 0) { errno = savedErrno; perror("smbc_ftruncate"); return 1; } if (smbc_stat(argv[1], &st) < 0) { perror("smbc_stat"); return 1; } printf("New size: %lu\n", (unsigned long) st.st_size); return 0; }