diff options
Diffstat (limited to 'runit/runit_lib.c')
| -rw-r--r-- | runit/runit_lib.c | 552 |
1 files changed, 4 insertions, 548 deletions
diff --git a/runit/runit_lib.c b/runit/runit_lib.c index 181d438..aa1d960 100644 --- a/runit/runit_lib.c +++ b/runit/runit_lib.c @@ -34,207 +34,6 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "libbb.h" #include "runit_lib.h" -#if 0 -/*** buffer.c ***/ - -void buffer_init(buffer *s,int (*op)(int fd,char *buf,unsigned len),int fd,char *buf,unsigned len) -{ - s->x = buf; - s->fd = fd; - s->op = op; - s->p = 0; - s->n = len; -} - - -/*** buffer_get.c ***/ - -static int oneread(int (*op)(int fd,char *buf,unsigned len),int fd,char *buf,unsigned len) -{ - int r; - - for (;;) { - r = op(fd,buf,len); - if (r == -1 && errno == EINTR) - continue; - return r; - } -} - -static int getthis(buffer *s,char *buf,unsigned len) -{ - if (len > s->p) len = s->p; - s->p -= len; - memcpy(buf,s->x + s->n,len); - s->n += len; - return len; -} - -int buffer_feed(buffer *s) -{ - int r; - - if (s->p) - return s->p; - r = oneread(s->op,s->fd,s->x,s->n); - if (r <= 0) - return r; - s->p = r; - s->n -= r; - if (s->n > 0) - memmove(s->x + s->n,s->x,r); - return r; -} - -int buffer_bget(buffer *s,char *buf,unsigned len) -{ - int r; - - if (s->p > 0) - return getthis(s,buf,len); - if (s->n <= len) - return oneread(s->op,s->fd,buf,s->n); - r = buffer_feed(s); - if (r <= 0) - return r; - return getthis(s,buf,len); -} - -int buffer_get(buffer *s,char *buf,unsigned len) -{ - int r; - - if (s->p > 0) - return getthis(s,buf,len); - if (s->n <= len) - return oneread(s->op,s->fd,buf,len); - r = buffer_feed(s); - if (r <= 0) - return r; - return getthis(s,buf,len); -} - -char *buffer_peek(buffer *s) -{ - return s->x + s->n; -} - -void buffer_seek(buffer *s,unsigned len) -{ - s->n += len; - s->p -= len; -} - - -/*** buffer_put.c ***/ - -static int allwrite(int (*op)(int fd,char *buf,unsigned len),int fd,const char *buf,unsigned len) -{ - int w; - - while (len) { - w = op(fd,(char*)buf,len); - if (w == -1) { - if (errno == EINTR) - continue; - return -1; /* note that some data may have been written */ - } - /* if (w == 0) ; luser's fault */ - buf += w; - len -= w; - } - return 0; -} - -int buffer_flush(buffer *s) -{ - int p; - - p = s->p; - if (!p) return 0; - s->p = 0; - return allwrite(s->op,s->fd,s->x,p); -} - -int buffer_putalign(buffer *s,const char *buf,unsigned len) -{ - unsigned n; - - while (len > (n = s->n - s->p)) { - memcpy(s->x + s->p,buf,n); - s->p += n; - buf += n; - len -= n; - if (buffer_flush(s) == -1) return -1; - } - /* now len <= s->n - s->p */ - memcpy(s->x + s->p,buf,len); - s->p += len; - return 0; -} - -int buffer_put(buffer *s,const char *buf,unsigned len) -{ - unsigned n; - - n = s->n; - if (len > n - s->p) { - if (buffer_flush(s) == -1) return -1; - /* now s->p == 0 */ - if (n < BUFFER_OUTSIZE) n = BUFFER_OUTSIZE; - while (len > s->n) { - if (n > len) n = len; - if (allwrite(s->op,s->fd,buf,n) == -1) return -1; - buf += n; - len -= n; - } - } - /* now len <= s->n - s->p */ - memcpy(s->x + s->p,buf,len); - s->p += len; - return 0; -} - -int buffer_putflush(buffer *s,const char *buf,unsigned len) -{ - if (buffer_flush(s) == -1) - return -1; - return allwrite(s->op,s->fd,buf,len); -} - -int buffer_putsalign(buffer *s,const char *buf) -{ - return buffer_putalign(s,buf,strlen(buf)); -} - -int buffer_puts(buffer *s,const char *buf) -{ - return buffer_put(s,buf,strlen(buf)); -} - -int buffer_putsflush(buffer *s,const char *buf) -{ - return buffer_putflush(s,buf,strlen(buf)); -} - - -/*** buffer_read.c ***/ - -int buffer_unixread(int fd,char *buf,unsigned len) -{ - return read(fd,buf,len); -} - - -/*** buffer_write.c ***/ - -int buffer_unixwrite(int fd,char *buf,unsigned len) -{ - return write(fd,buf,len); -} -#endif - - /*** byte_chr.c ***/ unsigned byte_chr(char *s,unsigned n,int c) @@ -290,16 +89,6 @@ int fd_move(int to,int from) } -#if 0 -/*** fifo.c ***/ - -int fifo_make(const char *fn,int mode) -{ - return mkfifo(fn, mode); -} -#endif - - /*** fmt_ptime.c ***/ void fmt_ptime30nul(char *s, struct taia *ta) { @@ -344,60 +133,6 @@ unsigned fmt_taia25(char *s, struct taia *t) { } -#ifdef UNUSED -/*** fmt_uint.c ***/ - -unsigned fmt_uint(char *s,unsigned u) -{ - return fmt_ulong(s,u); -} - - -/*** fmt_uint0.c ***/ - -unsigned fmt_uint0(char *s,unsigned u,unsigned n) -{ - unsigned len; - len = fmt_uint(FMT_LEN, u); - while (len < n) { - if (s) - *s++ = '0'; - ++len; - } - if (s) - fmt_uint(s, u); - return len; -} -#endif - - -#ifdef UNUSED -/*** fmt_ulong.c ***/ - -unsigned fmt_ulong(char *s,unsigned long u) -{ - unsigned len; unsigned long q; - len = 1; q = u; - while (q > 9) { ++len; q /= 10; } - if (s) { - s += len; - do { *--s = '0' + (u % 10); u /= 10; } while (u); /* handles u == 0 */ - } - return len; -} -#endif - - -#ifdef UNUSED -/*** tai_now.c ***/ - -void tai_now(struct tai *t) -{ - tai_unix(t, time(NULL)); -} -#endif - - /*** tai_pack.c ***/ static /* as it isn't used anywhere else */ @@ -447,8 +182,6 @@ void tai_unpack(const char *s,struct tai *t) /*** taia_add.c ***/ -/* XXX: breaks tai encapsulation */ - void taia_add(struct taia *t,const struct taia *u,const struct taia *v) { t->sec.x = u->sec.x + v->sec.x; @@ -465,34 +198,8 @@ void taia_add(struct taia *t,const struct taia *u,const struct taia *v) } -#ifdef UNUSED -/*** taia_frac.c ***/ - -double taia_frac(const struct taia *t) -{ - return (t->atto * 0.000000001 + t->nano) * 0.000000001; -} - - -/*** taia_approx.c ***/ - -double taia_approx(const struct taia *t) -{ - return t->sec->x + taia_frac(t); -} -#endif - -static -uint64_t taia2millisec(const struct taia *t) -{ - return (t->sec.x * 1000) + (t->nano / 1000000); -} - - /*** taia_less.c ***/ -/* XXX: breaks tai encapsulation */ - int taia_less(const struct taia *t, const struct taia *u) { if (t->sec.x < u->sec.x) return 1; @@ -539,8 +246,6 @@ void taia_pack(char *s, const struct taia *t) /*** taia_sub.c ***/ -/* XXX: breaks tai encapsulation */ - void taia_sub(struct taia *t, const struct taia *u, const struct taia *v) { unsigned long unano = u->nano; @@ -572,70 +277,15 @@ void taia_uint(struct taia *t, unsigned s) } -/*** stralloc_cat.c ***/ -#if 0 - -int stralloc_cat(stralloc *sato,const stralloc *safrom) -{ - return stralloc_catb(sato,safrom->s,safrom->len); -} - - -/*** stralloc_catb.c ***/ - -int stralloc_catb(stralloc *sa,const char *s,unsigned n) -{ - if (!sa->s) return stralloc_copyb(sa,s,n); - if (!stralloc_readyplus(sa,n + 1)) return 0; - memcpy(sa->s + sa->len,s,n); - sa->len += n; - sa->s[sa->len] = 'Z'; /* ``offensive programming'' */ - return 1; -} - - -/*** stralloc_cats.c ***/ - -int stralloc_cats(stralloc *sa,const char *s) -{ - return stralloc_catb(sa,s,strlen(s)); -} - - -/*** stralloc_eady.c ***/ - -GEN_ALLOC_ready(stralloc,char,s,len,a,i,n,x,30,stralloc_ready) -GEN_ALLOC_readyplus(stralloc,char,s,len,a,i,n,x,30,stralloc_readyplus) - - -/*** stralloc_opyb.c ***/ - -int stralloc_copyb(stralloc *sa,const char *s,unsigned n) -{ - if (!stralloc_ready(sa,n + 1)) return 0; - memcpy(sa->s,s,n); - sa->len = n; - sa->s[n] = 'Z'; /* ``offensive programming'' */ - return 1; -} - - -/*** stralloc_opys.c ***/ +/*** iopause.c ***/ -int stralloc_copys(stralloc *sa,const char *s) +static +uint64_t taia2millisec(const struct taia *t) { - return stralloc_copyb(sa,s,strlen(s)); + return (t->sec.x * 1000) + (t->nano / 1000000); } -/*** stralloc_pend.c ***/ - -GEN_ALLOC_append(stralloc,char,s,len,a,i,n,x,30,stralloc_readyplus,stralloc_append) - -#endif /* stralloc */ - -/*** iopause.c ***/ - void iopause(iopause_fd *x,unsigned len,struct taia *deadline,struct taia *stamp) { int millisecs; @@ -711,130 +361,6 @@ int open_write(const char *fn) } -/*** openreadclose.c ***/ -#if 0 -int openreadclose(const char *fn,stralloc *sa,unsigned bufsize) -{ - int fd; - fd = open_read(fn); - if (fd == -1) { - if (errno == ENOENT) return 0; - return -1; - } - if (readclose(fd,sa,bufsize) == -1) return -1; - return 1; -} -#endif - - -/*** pathexec_env.c ***/ -#if 0 -static stralloc plus; -static stralloc tmp; - -int pathexec_env(const char *s,const char *t) -{ - if (!s) return 1; - if (!stralloc_copys(&tmp,s)) return 0; - if (t) { - if (!stralloc_cats(&tmp,"=")) return 0; - if (!stralloc_cats(&tmp,t)) return 0; - } - if (!stralloc_0(&tmp)) return 0; - return stralloc_cat(&plus,&tmp); -} - -void pathexec(char **argv) -{ - char **e; - unsigned elen; - unsigned i; - unsigned j; - unsigned split; - unsigned t; - - if (!stralloc_cats(&plus,"")) return; - - elen = 0; - for (i = 0;environ[i];++i) - ++elen; - for (i = 0;i < plus.len;++i) - if (!plus.s[i]) - ++elen; - - e = malloc((elen + 1) * sizeof(char *)); - if (!e) return; - - elen = 0; - for (i = 0;environ[i];++i) - e[elen++] = environ[i]; - - j = 0; - for (i = 0;i < plus.len;++i) - if (!plus.s[i]) { - split = str_chr(plus.s + j,'='); - for (t = 0;t < elen;++t) - if (memcmp(plus.s + j,e[t],split) == 0) - if (e[t][split] == '=') { - --elen; - e[t] = e[elen]; - break; - } - if (plus.s[j + split]) - e[elen++] = plus.s + j; - j = i + 1; - } - e[elen] = 0; - - pathexec_run(*argv,argv,e); - free(e); -} -#endif - -/*** pathexec_run.c ***/ -#if 0 -static stralloc tmp; - -void pathexec_run(const char *file,char *const *argv,char *const *envp) -{ - const char *path; - unsigned split; - int savederrno; - - if (file[str_chr(file,'/')]) { - execve(file,argv,envp); - return; - } - - path = getenv("PATH"); - if (!path) path = "/bin:/usr/bin"; - - savederrno = 0; - for (;;) { - split = str_chr(path,':'); - if (!stralloc_copyb(&tmp,path,split)) return; - if (!split) - if (!stralloc_cats(&tmp,".")) return; - if (!stralloc_cats(&tmp,"/")) return; - if (!stralloc_cats(&tmp,file)) return; - if (!stralloc_0(&tmp)) return; - - execve(tmp.s,argv,envp); - if (errno != ENOENT) { - savederrno = errno; - if ((errno != EACCES) && (errno != EPERM) && (errno != EISDIR)) return; - } - - if (!path[split]) { - if (savederrno) errno = savederrno; - return; - } - path += split; - path += 1; - } -} -#endif - /*** pmatch.c ***/ unsigned pmatch(const char *p, const char *s, unsigned len) { @@ -878,62 +404,6 @@ unsigned pmatch(const char *p, const char *s, unsigned len) { } -#if 0 -/*** prot.c ***/ - -int prot_gid(int gid) -{ - gid_t x = gid; - if (setgroups(1,&x) == -1) return -1; - return setgid(gid); /* _should_ be redundant, but on some systems it isn't */ -} - -int prot_uid(int uid) -{ - return setuid(uid); -} -#endif - - -/*** readclose.c ***/ -#if 0 -int readclose_append(int fd,stralloc *sa,unsigned bufsize) -{ - int r; - for (;;) { - if (!stralloc_readyplus(sa,bufsize)) { close(fd); return -1; } - r = read(fd,sa->s + sa->len,bufsize); - if (r == -1) if (errno == EINTR) continue; - if (r <= 0) { close(fd); return r; } - sa->len += r; - } -} - -int readclose(int fd,stralloc *sa,unsigned bufsize) -{ - if (!stralloc_copys(sa,"")) { close(fd); return -1; } - return readclose_append(fd,sa,bufsize); -} -#endif - -#if 0 -/*** scan_ulong.c ***/ - -unsigned scan_ulong(const char *s,unsigned long *u) -{ - unsigned pos = 0; - unsigned long result = 0; - unsigned long c; - while ((c = (unsigned long) (unsigned char) (s[pos] - '0')) < 10) { - result = result * 10 + c; - ++pos; - } - *u = result; - return pos; -} -#endif - - #ifdef UNUSED /*** seek_set.c ***/ @@ -944,20 +414,6 @@ int seek_set(int fd,seek_pos pos) #endif -/*** sig.c ***/ - -//int sig_alarm = SIGALRM; -//int sig_child = SIGCHLD; -//int sig_cont = SIGCONT; -//int sig_hangup = SIGHUP; -//int sig_int = SIGINT; -//int sig_pipe = SIGPIPE; -//int sig_term = SIGTERM; - -//void (*sig_defaulthandler)(int) = SIG_DFL; -//void (*sig_ignorehandler)(int) = SIG_IGN; - - /*** sig_block.c ***/ void sig_block(int sig) |