diff options
author | Marvin Borner | 2020-06-17 18:31:46 +0200 |
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committer | Marvin Borner | 2020-06-17 18:31:46 +0200 |
commit | eed77bd2970a00d1394ed027ceca5b646e4671ce (patch) | |
tree | c44643d98aed2b6818f2b33417c0dea9c5853094 /src/kernel/lib/stdlib/itoa.c | |
parent | 49dfa1f4021026bf7c4d77817959c8aa24067016 (diff) |
Started rewrite
Diffstat (limited to 'src/kernel/lib/stdlib/itoa.c')
-rw-r--r-- | src/kernel/lib/stdlib/itoa.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/src/kernel/lib/stdlib/itoa.c b/src/kernel/lib/stdlib/itoa.c deleted file mode 100644 index b15befd..0000000 --- a/src/kernel/lib/stdlib/itoa.c +++ /dev/null @@ -1,73 +0,0 @@ -#include <lib/math.h> -#include <lib/string.h> -#include <memory/alloc.h> -#include <memory/paging.h> -#include <stdint.h> - -static const char ITOA_TABLE[] = "0123456789"; - -char *itoa(int n) -{ - if (!n) { - char *ret = (char *)malloc(2); - ret[0] = '0'; - ret[1] = 0; - return ret; - } - u8 negative = (u8)(n < 0); - if (negative) - n *= -1; - - int sz; - for (sz = 0; n % pow(10, sz) != n; sz++) { - } - - char *ret = (char *)malloc((u32)(sz + 1)); - - for (int i = 0; i < sz; i++) { - int digit = (n % pow(10, i + 1)) / pow(10, i); - ret[i] = ITOA_TABLE[digit]; - } - ret[sz] = 0; - - if (negative) { - char *aux = (char *)malloc((u32)(sz + 2)); - strcpy(aux, ret); - aux[sz] = '-'; - aux[sz + 1] = 0; - free(ret); - ret = aux; - } - - strinv(ret); - return ret; -} - -// TODO: Rename itoa_base -char *itoa_base(int value, char *result, int base, int is_signed) -{ - if (base < 2 || base > 36) { - *result = '\0'; - return result; - } - - char *ptr = result, *ptr1 = result, tmp_char; - int tmp_value; - - do { - tmp_value = value; - value /= base; - *ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" - [35 + (tmp_value - value * base)]; - } while (value); - - if (is_signed && tmp_value < 0) - *ptr++ = '-'; - *ptr-- = '\0'; - while (ptr1 < ptr) { - tmp_char = *ptr; - *ptr-- = *ptr1; - *ptr1++ = tmp_char; - } - return result; -}
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