diff options
Diffstat (limited to 'src/libs/libgroff/itoa.c')
-rw-r--r-- | src/libs/libgroff/itoa.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/libs/libgroff/itoa.c b/src/libs/libgroff/itoa.c new file mode 100644 index 0000000..a573b2c --- /dev/null +++ b/src/libs/libgroff/itoa.c @@ -0,0 +1,67 @@ +/* Copyright (C) 1989-2020 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff 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 3 of the License, or +(at your option) any later version. + +groff 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, see <http://www.gnu.org/licenses/>. */ + +#include "lib.h" + +#ifdef __cplusplus +extern "C" { +#endif + +const char *i_to_a(int i) +{ + /* Room for INT_DIGITS digits, - and '\0' */ + static char buf[INT_DIGITS + 2]; + char *p = buf + INT_DIGITS + 1; /* points to terminating '\0' */ + if (i >= 0) { + do { + *--p = '0' + (i % 10); + i /= 10; + } while (i != 0); + return p; + } + else { /* i < 0 */ + do { + *--p = '0' - (i % 10); + i /= 10; + } while (i != 0); + *--p = '-'; + } + return p; +} + +const char *ui_to_a(unsigned int i) +{ + /* Room for UINT_DIGITS digits and '\0' */ + static char buf[UINT_DIGITS + 1]; + char *p = buf + UINT_DIGITS; /* points to terminating '\0' */ + do { + *--p = '0' + (i % 10); + i /= 10; + } while (i != 0); + return p; +} + +#ifdef __cplusplus +} +#endif + +// Local Variables: +// fill-column: 72 +// mode: C++ +// End: +// vim: set cindent noexpandtab shiftwidth=2 textwidth=72: |