2012-03-02 Roland McGrath <roland@hack.frob.com>
+ [BZ #13792]
+ * manual/examples/README: New file, says the example source files
+ can be used under GPL>=2.
+ * manual/Makefile (%.c.texi): Eat the leading part of the file until a
+ line containing just "*/".
+ * manual/examples/add.c: Add copyright header (GPL>=2).
+ * manual/examples/argp-ex1.c: Likewise.
+ * manual/examples/argp-ex2.c: Likewise.
+ * manual/examples/argp-ex3.c: Likewise.
+ * manual/examples/argp-ex4.c: Likewise.
+ * manual/examples/atexit.c: Likewise.
+ * manual/examples/db.c: Likewise.
+ * manual/examples/dir.c: Likewise.
+ * manual/examples/dir2.c: Likewise.
+ * manual/examples/execinfo.c: Likewise.
+ * manual/examples/filecli.c: Likewise.
+ * manual/examples/filesrv.c: Likewise.
+ * manual/examples/fmtmsgexpl.c: Likewise.
+ * manual/examples/genpass.c: Likewise.
+ * manual/examples/inetcli.c: Likewise.
+ * manual/examples/inetsrv.c: Likewise.
+ * manual/examples/isockad.c: Likewise.
+ * manual/examples/longopt.c: Likewise.
+ * manual/examples/memopen.c: Likewise.
+ * manual/examples/memstrm.c: Likewise.
+ * manual/examples/mkfsock.c: Likewise.
+ * manual/examples/mkisock.c: Likewise.
+ * manual/examples/mygetpass.c: Likewise.
+ * manual/examples/pipe.c: Likewise.
+ * manual/examples/popen.c: Likewise.
+ * manual/examples/rprintf.c: Likewise.
+ * manual/examples/search.c: Likewise.
+ * manual/examples/select.c: Likewise.
+ * manual/examples/setjmp.c: Likewise.
+ * manual/examples/sigh1.c: Likewise.
+ * manual/examples/sigusr.c: Likewise.
+ * manual/examples/stpcpy.c: Likewise.
+ * manual/examples/strdupa.c: Likewise.
+ * manual/examples/strftim.c: Likewise.
+ * manual/examples/strncat.c: Likewise.
+ * manual/examples/subopt.c: Likewise.
+ * manual/examples/swapcontext.c: Likewise.
+ * manual/examples/termios.c: Likewise.
+ * manual/examples/testopt.c: Likewise.
+ * manual/examples/testpass.c: Likewise.
+ * manual/examples/timeval_subtract.c: Likewise.
+
[BZ #13792]
* manual/time.texi (Elapsed Time): Move timeval_subtract example
function to ...
# Generate Texinfo files from the C source for the example programs.
%.c.texi: examples/%.c
- sed -e 's,[{}],@&,g' \
+ sed -e '1,/^\*\/$$/d' \
+ -e 's,[{}],@&,g' \
-e 's,/\*\(@.*\)\*/,\1,g' \
-e 's,/\* *,/* @r{,g' -e 's, *\*/,} */,' \
-e 's/\(@[a-z][a-z]*\)@{\([^}]*\)@}/\1{\2}/g'\
--- /dev/null
+These are source files for example code that appears in The GNU C
+Library Reference Manual.
+
+While the manual itself is licensed under the terms of the GNU Free
+Documentation License, you can use these source files on their own
+under the terms of the GNU General Public License as published by
+the Free Software Foundation; version 2 of the License, or (at your
+option) any later version.
+/* Example of a Variadic Function
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdarg.h>
#include <stdio.h>
-/* Argp example #1 -- a minimal program using argp */
+/* Argp example #1 -- a minimal program using argp
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
/* This is (probably) the smallest possible program that
uses argp. It won't do much except give an error
-/* Argp example #2 -- a pretty minimal program using argp */
+/* Argp example #2 -- a pretty minimal program using argp
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
/* This program doesn't use any options or arguments, but uses
argp to be compliant with the GNU standard command line
-/* Argp example #3 -- a program with options and arguments using argp */
+/* Argp example #3 -- a program with options and arguments using argp
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
/* This program uses the same features as example 2, and uses options and
arguments.
-/* Argp example #4 -- a program with somewhat more complicated options */
+/* Argp example #4 -- a program with somewhat more complicated options
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
/* This program uses the same features as example 3, but has more
options, and somewhat more structure in the -help output. It
+/* Cleanups on Exit
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <stdlib.h>
-void
+void
bye (void)
{
puts ("Goodbye, cruel world....");
+/* User and Group Database Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <grp.h>
#include <pwd.h>
#include <sys/types.h>
+/* Simple Program to List a Directory
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
/*@group*/
#include <stdio.h>
#include <sys/types.h>
+/* Simple Program to List a Directory, Mark II
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
/*@group*/
#include <stdio.h>
#include <dirent.h>
+/* Obtain a backtrace and print it.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <execinfo.h>
#include <stdio.h>
#include <stdlib.h>
+/* Example of Reading Datagrams
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
+/* Datagram Socket Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
+/* How to use fmtmsg and addseverity.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <fmtmsg.h>
int
+/* Encrypting Passwords
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <crypt.h>
-int
+int
main(void)
{
unsigned long seed[2];
char salt[] = "$1$........";
- const char *const seedchars =
+ const char *const seedchars =
"./0123456789ABCDEFGHIJKLMNOPQRST"
"UVWXYZabcdefghijklmnopqrstuvwxyz";
char *password;
int i;
-
- /* Generate a (not very) random seed.
+
+ /* Generate a (not very) random seed.
You should do it better than this... */
seed[0] = time(NULL);
seed[1] = getpid() ^ (seed[0] >> 14 & 0x30000);
-
+
/* Turn it into printable characters from `seedchars'. */
for (i = 0; i < 8; i++)
salt[3+i] = seedchars[(seed[i/5] >> (i%5)*6) & 0x3f];
-
+
/* Read in the user's password and encrypt it. */
password = crypt(getpass("Password:"), salt);
-
+
/* Print the results. */
puts(password);
return 0;
+/* Byte Stream Socket Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#define MESSAGE "Yow!!! Are we having fun yet?!?"
#define SERVERHOST "mescaline.gnu.org"
-void
+void
write_to_server (int filedes)
{
int nbytes;
+/* Byte Stream Connection Server Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
+/* Internet Socket Example using sockaddr_in.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
-void
+void
init_sockaddr (struct sockaddr_in *name,
const char *hostname,
uint16_t port)
name->sin_family = AF_INET;
name->sin_port = htons (port);
hostinfo = gethostbyname (hostname);
- if (hostinfo == NULL)
+ if (hostinfo == NULL)
{
fprintf (stderr, "Unknown host %s.\n", hostname);
exit (EXIT_FAILURE);
+/* Example of Parsing Long Options with getopt_long.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
+/* String Streams
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
static char buffer[] = "foobar";
+/* open_memstream example.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
int
+/* Example of Local-Namespace Sockets
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stddef.h>
#include <stdio.h>
#include <errno.h>
+/* Internet Socket Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
-int
+int
make_socket (uint16_t port)
{
int sock;
+/* Reading Passwords
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <termios.h>
#include <stdio.h>
new.c_lflag &= ~ECHO;
if (tcsetattr (fileno (stream), TCSAFLUSH, &new) != 0)
return -1;
-
+
/* Read the password. */
nread = getline (lineptr, n, stream);
/* Restore terminal. */
(void) tcsetattr (fileno (stream), TCSAFLUSH, &old);
-
+
return nread;
}
+/* Creating a Pipe
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
+/* Pipe to a Subprocess
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <stdlib.h>
+/* Printf Extension Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <stdlib.h>
#include <printf.h>
+/* Searching and Sorting Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/* This is the comparison function used for sorting and searching. */
-int
+int
critter_cmp (const struct critter *c1, const struct critter *c2)
{
return strcmp (c1->name, c2->name);
/* Print information about a critter. */
-void
+void
print_critter (const struct critter *c)
{
printf ("%s, the %s\n", c->name, c->species);
/*@group*/
/* Do the lookup into the sorted array. */
-void
+void
find_critter (const char *name)
{
struct critter target, *result;
+/* Waiting for Input or Output
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
/*@group*/
#include <errno.h>
#include <stdio.h>
+/* Introduction to Non-Local Exits
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <setjmp.h>
#include <stdlib.h>
#include <stdio.h>
jmp_buf main_loop;
-void
+void
abort_to_main_loop (int status)
{
longjmp (main_loop, status);
}
-void
+void
do_command (void)
{
char buffer[128];
+/* Signal Handlers that Return
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
volatile sig_atomic_t keep_going = 1;
/* The signal handler just clears the flag and re-enables itself. */
-void
+void
catch_alarm (int sig)
{
keep_going = 0;
signal (sig, catch_alarm);
}
-void
+void
do_stuff (void)
{
puts ("Doing stuff while waiting for alarm....");
+/* Using kill for Communication
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
/*@group*/
#include <signal.h>
#include <stdio.h>
/* When a @code{SIGUSR1} signal arrives, set this variable. */
volatile sig_atomic_t usr_interrupt = 0;
-void
+void
synch_signal (int sig)
{
usr_interrupt = 1;
}
/* The child process executes this function. */
-void
+void
child_function (void)
{
/* Perform initialization. */
+/* stpcpy example.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <string.h>
#include <stdio.h>
+/* strdupa example.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <paths.h>
#include <string.h>
#include <stdio.h>
+/* Time Functions Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <time.h>
#include <stdio.h>
+/* strncat example.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <string.h>
#include <stdio.h>
+/* Parsing of Suboptions Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+/* Complete Context Control
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
+/* Noncanonical Mode Example
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
struct termios saved_attributes;
-void
+void
reset_input_mode (void)
{
tcsetattr (STDIN_FILENO, TCSANOW, &saved_attributes);
}
-void
+void
set_input_mode (void)
{
struct termios tattr;
+/* Example of Parsing Arguments with getopt.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
/*@group*/
#include <ctype.h>
#include <stdio.h>
+/* Verify a password.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <crypt.h>
-int
+int
main(void)
{
/* Hashed form of "GNU libc manual". */
char *result;
int ok;
-
+
/*@group*/
/* Read in the user's password and encrypt it,
passing the expected password in as the salt. */
+/* struct timeval subtraction.
+ Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU 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, if not, see <http://www.gnu.org/licenses/>.
+*/
+
/* Subtract the `struct timeval' values X and Y,
storing the result in RESULT.
Return 1 if the difference is negative, otherwise 0. */
git://sourceware.org / glibc.git / commitdiff