denisgodoy / 42-ft_printf

Library that contains ft_printf, a function that mimics the real printf.

ft_printf 💻

The versatility of the printf function in C represents a great exercise in programming. This project is of moderate difficulty.

• Evaluation
• Mandatory part
• Bonus part

Evaluation

Mandatory part

Function	Description	Library	External functions
ft_printf	Produces output to stdout, the standard output stream, according to a format as described below.	stdio.h	malloc, free, write, va_start, va_arg, va_copy, va_end

The format string is composed of zero or more directives: ordinary characters (not %), which are copied unchanged to the output stream; and conversion specifications, each of which results in fetching zero or more subsequent arguments. — PRINTF(3)

Format	Description
%c	Print a single character.
%s	Print a string of characters.
%p	The void * pointer argument is printed in hexadecimal.
%d	Print a decimal (base 10) number.
%i	Print an integer in base 10.
%x	Print a number in hexadecimal (base 16) - lowercase.
%X	Print a number in hexadecimal (base 16) - uppercase.
%%	Print a percent sign.

Bonus part

Managed the following flags:

Flag	Description
#	For x conversions, a nonzero result has the string "0x" (or "0X" for X conversions) prepended to it.
space	A blank should be left before a positive number produced by a signed conversion (d or i).
+	A sign (+ or -) should always be placed before a number produced by a signed conversion.