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-rw-r--r--libc/misc/Makefile8
-rw-r--r--libc/misc/ctype/ctype.c1
-rw-r--r--libc/misc/lock/.indent.pro33
-rw-r--r--libc/misc/lock/Makefile44
-rw-r--r--libc/misc/lock/flock.c54
-rw-r--r--libc/misc/time/Makefile2
-rw-r--r--libc/misc/time/clock.c45
-rw-r--r--libc/misc/time/difftime.c67
8 files changed, 249 insertions, 5 deletions
diff --git a/libc/misc/Makefile b/libc/misc/Makefile
index 7ff8da188..dcd40319c 100644
--- a/libc/misc/Makefile
+++ b/libc/misc/Makefile
@@ -20,12 +20,12 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+TOPDIR=../
+include $(TOPDIR)Rules.mak
+LIBC=$(TOPDIR)libc.a
-DIRS = assert crypt fnmatch glob internals lsearch mntent syslog regex shm time
-ifeq ($(USE_CTYPE_C_FUNCTIONS),true)
- DIRS+=ctype
-endif
+DIRS = assert crypt ctype fnmatch glob internals lsearch mntent syslog regex shm time
all: libc.a
diff --git a/libc/misc/ctype/ctype.c b/libc/misc/ctype/ctype.c
index 78e1f8891..1063f443d 100644
--- a/libc/misc/ctype/ctype.c
+++ b/libc/misc/ctype/ctype.c
@@ -6,6 +6,7 @@
* under the GNU Library General Public License.
*/
+#define USE_CTYPE_C_FUNCTIONS
#include <ctype.h>
int
diff --git a/libc/misc/lock/.indent.pro b/libc/misc/lock/.indent.pro
new file mode 100644
index 000000000..492ecf1c7
--- /dev/null
+++ b/libc/misc/lock/.indent.pro
@@ -0,0 +1,33 @@
+--blank-lines-after-declarations
+--blank-lines-after-procedures
+--break-before-boolean-operator
+--no-blank-lines-after-commas
+--braces-on-if-line
+--braces-on-struct-decl-line
+--comment-indentation25
+--declaration-comment-column25
+--no-comment-delimiters-on-blank-lines
+--cuddle-else
+--continuation-indentation4
+--case-indentation0
+--else-endif-column33
+--space-after-cast
+--line-comments-indentation0
+--declaration-indentation1
+--dont-format-first-column-comments
+--dont-format-comments
+--honour-newlines
+--indent-level4
+/* changed from 0 to 4 */
+--parameter-indentation4
+--line-length78 /* changed from 75 */
+--continue-at-parentheses
+--no-space-after-function-call-names
+--dont-break-procedure-type
+--dont-star-comments
+--leave-optional-blank-lines
+--dont-space-special-semicolon
+--tab-size4
+/* additions by Mark */
+--case-brace-indentation0
+--leave-preprocessor-space
diff --git a/libc/misc/lock/Makefile b/libc/misc/lock/Makefile
new file mode 100644
index 000000000..e319c11df
--- /dev/null
+++ b/libc/misc/lock/Makefile
@@ -0,0 +1,44 @@
+# Makefile for uCLibc
+#
+# Copyright (C) 2000 by Lineo, inc.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Library General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+# Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# Derived in part from the Linux-8086 C library, the GNU C Library, and several
+# other sundry sources. Files within this library are copyright by their
+# respective copyright holders.
+
+TOPDIR=../../
+include $(TOPDIR)Rules.mak
+LIBC=$(TOPDIR)libc.a
+
+CSRC=flock.c
+COBJS=$(patsubst %.c,%.o, $(CSRC))
+OBJS=$(COBJS)
+
+all: $(OBJS) $(LIBC)
+
+$(LIBC): ar-target
+
+ar-target: $(OBJS)
+ $(AR) $(ARFLAGS) $(LIBC) $(OBJS)
+
+$(COBJS):
+ $(CC) $(CFLAGS) $< -c $*.c -o $*.o
+ $(STRIPTOOL) -x -R .note -R .comment $*.o
+
+clean:
+ rm -f *.[oa] *~ core
+
diff --git a/libc/misc/lock/flock.c b/libc/misc/lock/flock.c
new file mode 100644
index 000000000..3c1264655
--- /dev/null
+++ b/libc/misc/lock/flock.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* This file implements the `flock' function in terms of the POSIX.1 `fcntl'
+ locking mechanism. In 4BSD, these are two incompatible locking mechanisms,
+ perhaps with different semantics? */
+
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/file.h>
+
+/* Apply or remove an advisory lock, according to OPERATION,
+ on the file FD refers to. */
+int flock( int fd, int operation)
+{
+ struct flock lbuf;
+
+ switch (operation & ~LOCK_NB) {
+ case LOCK_SH:
+ lbuf.l_type = F_RDLCK;
+ break;
+ case LOCK_EX:
+ lbuf.l_type = F_WRLCK;
+ break;
+ case LOCK_UN:
+ lbuf.l_type = F_UNLCK;
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+
+ lbuf.l_whence = SEEK_SET;
+ lbuf.l_start = lbuf.l_len = 0L; /* Lock the whole file. */
+
+ return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &lbuf);
+}
+
diff --git a/libc/misc/time/Makefile b/libc/misc/time/Makefile
index 0d24f43e4..70ee192c4 100644
--- a/libc/misc/time/Makefile
+++ b/libc/misc/time/Makefile
@@ -26,7 +26,7 @@ LIBC=$(TOPDIR)libc.a
CSRC=localtime.c gmtime.c asctime.c ctime.c asc_conv.c tm_conv.c mktime.c \
localtime_r.c gmtime_r.c asctime_r.c ctime_r.c utimes.c adjtime.c \
- strftime.c
+ strftime.c clock.c times.c difftime.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
OBJS=$(COBJS)
diff --git a/libc/misc/time/clock.c b/libc/misc/time/clock.c
new file mode 100644
index 000000000..4d1a17869
--- /dev/null
+++ b/libc/misc/time/clock.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1991, 1992, 1996, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/times.h>
+#include <time.h>
+#include <unistd.h>
+
+/* Return the time used by the program so far (user time + system time). */
+clock_t
+clock (void)
+{
+ struct tms buf;
+ long clk_tck = sysconf (_SC_CLK_TCK);
+
+ /* We don't check for errors here. The only error the kernel
+ returns is EFAULT if the value cannot be written to the struct we
+ pass a pointer to. Otherwise the kernel returns an `unsigned
+ long' value which is the number of jiffies since system start.
+ But this number can be negative (when read as `long') when the
+ system is up for some time. Ignoring errors should therefore
+ have no negative impacts but solve the problem. */
+ times (&buf);
+
+ return
+ (clk_tck <= CLOCKS_PER_SEC)
+ ? ((unsigned long) buf.tms_utime + buf.tms_stime) * (CLOCKS_PER_SEC
+ / clk_tck)
+ : ((unsigned long) buf.tms_utime + buf.tms_stime) / (clk_tck
+ / CLOCKS_PER_SEC);
+}
diff --git a/libc/misc/time/difftime.c b/libc/misc/time/difftime.c
new file mode 100644
index 000000000..6a9b708ea
--- /dev/null
+++ b/libc/misc/time/difftime.c
@@ -0,0 +1,67 @@
+/* Copyright (C) 1991, 1994, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <time.h>
+#include <limits.h>
+#include <sys/types.h>
+
+
+/* Return the difference between TIME1 and TIME0. */
+double
+difftime (time1, time0)
+ time_t time1;
+ time_t time0;
+{
+ /* Algorithm courtesy Paul Eggert (eggert@twinsun.com). */
+
+ time_t delta, hibit;
+
+ if (sizeof (time_t) < sizeof (double))
+ return (double) time1 - (double) time0;
+ if (sizeof (time_t) < sizeof (long double))
+ return (long double) time1 - (long double) time0;
+
+ if (time1 < time0)
+ return - difftime (time0, time1);
+
+ /* As much as possible, avoid loss of precision by computing the
+ difference before converting to double. */
+ delta = time1 - time0;
+ if (delta >= 0)
+ return delta;
+
+ /* Repair delta overflow. */
+ hibit = (~ (time_t) 0) << ((sizeof (time_t) * CHAR_BIT) - 1);
+
+ /* The following expression rounds twice, which means the result may not
+ be the closest to the true answer. For example, suppose time_t is
+ 64-bit signed int, long_double is IEEE 754 double with default
+ rounding, time1 = 9223372036854775807 and time0 = -1536. Then the
+ true difference is 9223372036854777343, which rounds to
+ 9223372036854777856 with a total error of 513. But delta overflows to
+ -9223372036854774273, which rounds to -9223372036854774784, and
+ correcting this by subtracting 2 * (long_double) hibit (i.e. by adding
+ 2**64 = 18446744073709551616) yields 9223372036854776832, which rounds
+ to 9223372036854775808 with a total error of 1535 instead. This
+ problem occurs only with very large differences. It's too painful to
+ fix this portably. We are not alone in this problem; many C compilers
+ round twice when converting large unsigned types to small floating
+ types, so if time_t is unsigned the "return delta" above has the same
+ double-rounding problem. */
+ return delta - 2 * (long double) hibit;
+}