39 lines
874 B
C
39 lines
874 B
C
/* pending.c - reusable stuff awaiting review
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*
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* new lib entries for stuff in toys/pending
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*/
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#include "toys.h"
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void daemonize(void)
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{
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int fd = open("/dev/null", O_RDWR);
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if (fd < 0) fd = xcreate("/", O_RDONLY, 0666);
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pid_t pid = fork();
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if (pid < 0) perror_exit("DAEMON: failed to fork");
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if (pid) exit(EXIT_SUCCESS);
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setsid();
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dup2(fd, 0);
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dup2(fd, 1);
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dup2(fd, 2);
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if (fd > 2) close(fd);
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}
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char *human_readable(unsigned long long size)
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{
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static char buf[32];
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char *tmp = (buf+4); //unsigned long long can come in 20byte string.
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int index, sz;
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for (index = 0; 1024 < size>>(10*index); index++);
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sz = size>>(10*index);
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if (sz < 10 && index) {
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sprintf(tmp, "%llu", size>>(10*(index-1)));
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sprintf(buf, "%c.%c", tmp[0], tmp[1]);
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} else sprintf(buf, "%u", sz);
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sprintf(buf, "%s%c", buf, " KMGTPE"[index]);
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return buf;
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}
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