diff options
| -rw-r--r-- | src/stdlib/atoi.c | 81 | ||||
| -rw-r--r-- | src/stdlib/atol.c | 56 | ||||
| -rw-r--r-- | src/stdlib/atoll.c | 56 | ||||
| -rw-r--r-- | src/stdlib/atoq.c | 31 |
4 files changed, 143 insertions, 81 deletions
diff --git a/src/stdlib/atoi.c b/src/stdlib/atoi.c index 187d29c..386c80d 100644 --- a/src/stdlib/atoi.c +++ b/src/stdlib/atoi.c @@ -54,84 +54,3 @@ int atoi(const char* string) return neg ? rc : -rc; } - -/** - * Convert a string to an integer, - * without checking for errors. - * - * The string may being with an arbitrary number - * of whitespace characters. Convertion will end - * when a character is encountered that is not a - * decimal digit, and is not an absolutely leading - * '-' or '+'. - * - * @param string The string to convert. - * @return The integer encoded by the string. - */ -long int atol(const char* string) -{ - long int rc = 0; - int neg = 0; - - while (isspace(*string)) - string++; - - switch (*string) - { - case '-': neg = 1; - case '+': string++; - default: break; - } - - while (isdigit(*string)) - rc = rc * 10 - (*string++ & 15); - - return neg ? rc : -rc; -} - - -/** - * Convert a string to an integer, - * without checking for errors. - * - * The string may being with an arbitrary number - * of whitespace characters. Convertion will end - * when a character is encountered that is not a - * decimal digit, and is not an absolutely leading - * '-' or '+'. - * - * @param string The string to convert. - * @return The integer encoded by the string. - */ -long long int atoll(const char* string) -{ - long long int rc = 0; - int neg = 0; - - while (isspace(*string)) - string++; - - switch (*string) - { - case '-': neg = 1; - case '+': string++; - default: break; - } - - while (isdigit(*string)) - rc = rc * 10 - (*string++ & 15); - - return neg ? rc : -rc; -} - - -/** - * This function is identical to `atoll`. - * - * This is a Linux libc extension. - */ -long long int atoq(const char* string) -{ - return atoll(string); -} - diff --git a/src/stdlib/atol.c b/src/stdlib/atol.c new file mode 100644 index 0000000..b4170e1 --- /dev/null +++ b/src/stdlib/atol.c @@ -0,0 +1,56 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ +#include <stdlib.h> +#include <ctype.h> + + + +/** + * Convert a string to an integer, + * without checking for errors. + * + * The string may being with an arbitrary number + * of whitespace characters. Convertion will end + * when a character is encountered that is not a + * decimal digit, and is not an absolutely leading + * '-' or '+'. + * + * @param string The string to convert. + * @return The integer encoded by the string. + */ +long int atol(const char* string) +{ + long int rc = 0; + int neg = 0; + + while (isspace(*string)) + string++; + + switch (*string) + { + case '-': neg = 1; + case '+': string++; + default: break; + } + + while (isdigit(*string)) + rc = rc * 10 - (*string++ & 15); + + return neg ? rc : -rc; +} + diff --git a/src/stdlib/atoll.c b/src/stdlib/atoll.c new file mode 100644 index 0000000..ad26449 --- /dev/null +++ b/src/stdlib/atoll.c @@ -0,0 +1,56 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ +#include <stdlib.h> +#include <ctype.h> + + + +/** + * Convert a string to an integer, + * without checking for errors. + * + * The string may being with an arbitrary number + * of whitespace characters. Convertion will end + * when a character is encountered that is not a + * decimal digit, and is not an absolutely leading + * '-' or '+'. + * + * @param string The string to convert. + * @return The integer encoded by the string. + */ +long long int atoll(const char* string) +{ + long long int rc = 0; + int neg = 0; + + while (isspace(*string)) + string++; + + switch (*string) + { + case '-': neg = 1; + case '+': string++; + default: break; + } + + while (isdigit(*string)) + rc = rc * 10 - (*string++ & 15); + + return neg ? rc : -rc; +} + diff --git a/src/stdlib/atoq.c b/src/stdlib/atoq.c new file mode 100644 index 0000000..57d2c0a --- /dev/null +++ b/src/stdlib/atoq.c @@ -0,0 +1,31 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ +#include <stdlib.h> + + + +/** + * This function is identical to `atoll`. + * + * This is a Linux libc extension. + */ +long long int atoq(const char* string) +{ + return atoll(string); +} + |