toaruos/apps/mktemp.c

74 lines
1.3 KiB
C

/**
* @brief mktemp - create a temporary directory and print its name
*
* @copyright
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2018 K. Lange
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
int main(int argc, char * argv[]) {
int opt;
int dry_run = 0;
int quiet = 0;
int directory = 0;
while ((opt = getopt(argc,argv,"duq")) != -1) {
switch (opt) {
case 'd':
directory = 1;
break;
case 'u':
dry_run = 1;
break;
case 'q':
quiet = 1;
break;
}
}
char * template;
int i = optind;
if (i == argc) {
template = strdup("/tmp/tmp.XXXXXX");
} else {
template = strdup(argv[i]);
}
char * result = mktemp(template);
if (!result) {
fprintf(stderr, "%s: %s\n", argv[0], strerror(errno));
return 1;
}
if (!quiet) {
fprintf(stdout, "%s\n", result);
}
if (!dry_run) {
if (directory) {
if (mkdir(result,0777) < 0) {
fprintf(stderr, "%s: mkdir: %s: %s\n", argv[0], result, strerror(errno));
return 1;
}
} else {
FILE * f = fopen(result,"w");
if (!f) {
fprintf(stderr, "%s: open: %s: %s\n", argv[0], result, strerror(errno));
return 1;
}
}
}
return 0;
}