diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/stdlib/Makefile | 5 | ||||
| -rw-r--r-- | libc/stdlib/a64l.c | 66 | ||||
| -rw-r--r-- | libc/stdlib/l64a.c | 58 |
3 files changed, 127 insertions, 2 deletions
diff --git a/libc/stdlib/Makefile b/libc/stdlib/Makefile index 40d03521f..210a2eeba 100644 --- a/libc/stdlib/Makefile +++ b/libc/stdlib/Makefile @@ -81,12 +81,13 @@ endif MSRC2 = atexit.c MOBJ2 = atexit.o on_exit.o __exit_handler.o exit.o -CSRC = abort.c getenv.c mkdtemp.c mktemp.c realpath.c mkstemp.c mkstemp64.c \ +CSRC = \ + abort.c getenv.c mkdtemp.c mktemp.c realpath.c mkstemp.c mkstemp64.c \ rand.c random.c random_r.c setenv.c system.c div.c ldiv.c lldiv.c \ getpt.c ptsname.c grantpt.c unlockpt.c gcvt.c drand48-iter.c jrand48.c \ jrand48_r.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c nrand48.c \ nrand48_r.c rand_r.c srand48.c srand48_r.c seed48.c seed48_r.c \ - valloc.c posix_memalign.c + valloc.c posix_memalign.c a64l.c l64a.c ifeq ($(UCLIBC_HAS_FLOATS),y) CSRC += drand48.c drand48_r.c erand48.c erand48_r.c endif diff --git a/libc/stdlib/a64l.c b/libc/stdlib/a64l.c new file mode 100644 index 000000000..23faf2744 --- /dev/null +++ b/libc/stdlib/a64l.c @@ -0,0 +1,66 @@ +/* Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.org>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdlib.h> + +#define TABLE_BASE 0x2e +#define TABLE_SIZE 0x4d + +#define XX ((char)0x40) + + +static const char a64l_table[TABLE_SIZE] = +{ + /* 0x2e */ 0, 1, + /* 0x30 */ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, XX, XX, XX, XX, XX, XX, + /* 0x40 */ XX, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, + /* 0x50 */ 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, XX, XX, XX, XX, XX, + /* 0x60 */ XX, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + /* 0x70 */ 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63 +}; + + +long int +a64l (string) + const char *string; +{ + const char *ptr = string; + unsigned long int result = 0ul; + const char *end = ptr + 6; + int shift = 0; + + do + { + unsigned index; + unsigned value; + + index = *ptr - TABLE_BASE; + if ((unsigned int) index >= TABLE_SIZE) + break; + value = (int) a64l_table[index]; + if (value == (int) XX) + break; + ++ptr; + result |= value << shift; + shift += 6; + } + while (ptr != end); + + return (long int) result; +} diff --git a/libc/stdlib/l64a.c b/libc/stdlib/l64a.c new file mode 100644 index 000000000..f3a249fed --- /dev/null +++ b/libc/stdlib/l64a.c @@ -0,0 +1,58 @@ +/* Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdlib.h> + +/* Conversion table. */ +static const char conv_table[64] = +{ + '.', '/', '0', '1', '2', '3', '4', '5', + '6', '7', '8', '9', 'A', 'B', 'C', 'D', + 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', + 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', + 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', + 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', + 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', + 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' +}; + +char * +l64a (n) + long int n; +{ + unsigned long int m = (unsigned long int) n; + static char result[7]; + int cnt; + + /* The standard says that only 32 bits are used. */ + m &= 0xffffffff; + + if (m == 0ul) + /* The value for N == 0 is defined to be the empty string. */ + return (char *) ""; + + for (cnt = 0; m > 0ul; ++cnt) + { + result[cnt] = conv_table[m & 0x3f]; + m >>= 6; + } + result[cnt] = '\0'; + + return result; +} |