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| author | Dominik Kaiser | 2024-03-18 11:37:50 +0100 |
|---|---|---|
| committer | Dominik Kaiser | 2024-03-18 11:37:50 +0100 |
| commit | 0fb01c961c92e54e04ad4c7881805db597089863 (patch) | |
| tree | 2b2d020d4175694347da55070c4f52985eacf697 /ft_printaddr.c | |
| parent | b3bb3f0889cb01e6a1064a13b718f623bdc5a1e2 (diff) | |
| download | ft_printf-0fb01c961c92e54e04ad4c7881805db597089863.tar.gz ft_printf-0fb01c961c92e54e04ad4c7881805db597089863.zip | |
Remove the src dir and put everything in root dir
hoping that it will appease moulinette
Diffstat (limited to 'ft_printaddr.c')
| -rw-r--r-- | ft_printaddr.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/ft_printaddr.c b/ft_printaddr.c new file mode 100644 index 0000000..8a4ac23 --- /dev/null +++ b/ft_printaddr.c @@ -0,0 +1,42 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ft_printaddr.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/03/15 10:33:53 by dkaiser #+# #+# */ +/* Updated: 2024/03/15 13:19:34 by dkaiser ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "../ft_printf.h" + +static void printaddr_rec(unsigned long addr, int *len) +{ + char c; + int success; + + if (*len < 0) + return ; + if (addr % 16 < 10) + c = '0' + (addr % 16); + else + c = ('a' - 10) + (addr % 16); + if (addr > 15) + printaddr_rec(addr / 16, len); + success = write(1, &c, 1); + if (success < 0 || *len < 2) + *len = -1; + else + (*len)++; +} + +int ft_printaddr(void *addr) +{ + int len; + + len = write(1, "0x", 2); + printaddr_rec((unsigned long)addr, &len); + return (len); +} |
