43 lines
671 B
C
43 lines
671 B
C
#include <fcntl.h>
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#include <unistd.h>
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#include <utime.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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int touch(const char *path) {
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int fd = open(path, O_CREAT | O_RDONLY, 0666);
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if (fd < 0) {
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fprintf(stderr, "touch: %s\n", strerror(errno));
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return 1;
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}
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close(fd);
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struct utimbuf new_time;
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time_t now = time(NULL);
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new_time.actime = now;
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new_time.modtime = now;
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if (utime(path, &new_time) < 0)
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return 1;
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return 0;
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}
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int main(const int argc, const char **argv) {
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if (argc == 1) {
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printf("touch: missing operand\n");
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return 1;
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}
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for (int i = 1; i < argc; i++)
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if (touch(argv[i]))
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return 1;
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return 0;
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}
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