58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
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/* See LICENSE file for copyright and license details. */
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <utime.h>
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#include <sys/stat.h>
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#include "util.h"
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static void touch(const char *);
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static bool cflag = false;
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static time_t t;
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int
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main(int argc, char *argv[])
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{
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int i;
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t = time(NULL);
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for(i = 1; i < argc; i++)
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if(!strcmp(argv[i], "-c"))
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cflag = true;
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else if(!strcmp(argv[i], "-t") && i+1 < argc)
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t = strtol(argv[++i], NULL, 0);
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else
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break;
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for(; i < argc; i++)
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touch(argv[i]);
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return EXIT_SUCCESS;
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}
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void
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touch(const char *str)
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{
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int fd;
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struct stat st;
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struct utimbuf ut;
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if(stat(str, &st) < 0) {
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if(errno != ENOENT)
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eprintf("stat %s:", str);
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if(cflag)
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return;
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if((fd = creat(str, O_RDONLY|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) < 0)
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eprintf("creat %s:", str);
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close(fd);
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}
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ut.actime = st.st_atime;
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ut.modtime = t;
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if(utime(str, &ut) < 0)
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eprintf("utime %s:", str);
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}
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