Create a new file under linux source codeThis snippet submitted by Chol Nhial on 2012-09-21. It has been viewed 105055 times.Rating of 7.4 with 587 votes #include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <sys/stat.h> #include <sys/types.h> #include <errno.h> char* program_name; void system_error(char* cause, int exit_code) { fprintf(stderr,"%s: %s: %s\n",program_name,cause, (char*) strerror(errno)); exit(exit_code); } int main(int argc, char **argv) { if(argc != 2) { printf("Usage: %s <filename>\n",argv[0]); exit(EXIT_FAILURE); } program_name = argv[0]; /* Permisions for the new file */ mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH; /* filename for the new file */ char* filename = argv[1]; /* Create a new file */ int fd = open(filename,O_CREAT | O_EXCL,mode); if(fd == -1) { system_error("open",EXIT_FAILURE); } exit(EXIT_SUCCESS); } More C and C++ source code snippets |