https://github.com/vomnes/ft_printf
## My first big language C project ## Regardless of the programming language considered, the printf function,(or its equivalents) is always highly useful. The main reason is the ease of its formatting, and the support of diverse types in variable numbers.
https://github.com/vomnes/ft_printf
printf
Last synced: 7 months ago
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## My first big language C project ## Regardless of the programming language considered, the printf function,(or its equivalents) is always highly useful. The main reason is the ease of its formatting, and the support of diverse types in variable numbers.
- Host: GitHub
- URL: https://github.com/vomnes/ft_printf
- Owner: vomnes
- Created: 2017-01-12T07:10:09.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2017-04-16T18:44:40.000Z (over 8 years ago)
- Last Synced: 2025-03-05T07:04:15.621Z (7 months ago)
- Topics: printf
- Language: C
- Homepage:
- Size: 97.7 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# ft_printf
This is my own printf (language C), my first big language C project.
### Function prototype
```
int ft_printf(const char *format, ...);
```
### Examples
```
ft_printf("%d\n", 42);
>> 42
```
```
ft_printf("%#10.*X\n", 25, 42);
>> 0X000000000000000000000002A
```
```
ft_printf("%010b\n", 42);
>> 0000101010
```
## Details
- Width managed
- Precision managed
- Wildcard managed
### Syntax
```
%[flags][width][.precision][length]type
```
### Conversions
| Character | Description |
|:-------------:|:-------------|
| dDi | int as a signed decimal number |
| c | Character |
| C | Unicode character |
| s | Null-terminated string |
| S | Unicode string |
| oO | Unsigned int in octal |
| uU | Print decimal unsigned int |
| xX | Unsigned int as a hexadecimal number. x uses lower-case letters and X uses upper-case |
| p | Pointer to void |
| bB | Long long int as a binary number. b uses lower-case letters and B uses upper-case|
| % | Print percentage |
| k | Print a date in any ordinary ISO format |
### Flags field
| Flag | Description |
|:-------------:|:-------------|
| # | For o, x, X types, the text 0, 0x, 0X, respectively, is prepended to non-zero numbers |
| 0 | When the 'width' option is specified, prepends zeros for numeric types |
| - | Left-align the output of this placeholder |
| + | Prepends a plus for positive signed-numeric types. positive = +, negative = -. |
| space | Prepends a space for positive signed-numeric types. positive = , negative = -. This flag is ignored if the + flag exists. |
### Length field
| Character | Description |
|:-------------:|:-------------|
| hh | For integer types, causes printf to expect an int-sized integer argument which was promoted from a char |
| h | For integer types, causes printf to expect an int-sized integer argument which was promoted from a short |
| l | For integer types, causes printf to expect a long-sized integer argument |
| ll | For integer types, causes printf to expect a long-sized integer argument |
| j | For integer types, causes printf to expect a intmax_t-sized integer argument |
| z | For integer types, causes printf to expect a size_t-sized integer argument |