linly/printf
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brain dying pls

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This commit is contained in:
Weaponised Autism
2023-08-22 13:26:33 +03:00
parent f08b2ca361
commit a36de7eac1
4 changed files with 50 additions and 13 deletions
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36
printf.c
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@@ -19,7 +19,7 @@ int _printf(const char *format, ...)
va_start(args, format);
identifiers = _contains(format, '%');
BUFF_SIZE = _strlen(format) - (identifiers * 2);
BUFF_SIZE = _strlen(format) - identifiers;
buffer = malloc(BUFF_SIZE);
if (!format) /* No string. No laundry */
@@ -28,24 +28,34 @@ int _printf(const char *format, ...)
{
if ((*(format + fmt_idx) == '%') && (*(format + fmt_idx + 1)))
{
switch (*(format + 1)) /*this needs to shrink*/
if (*buffer)
{
_puts(buffer);
free(buffer);
buffer = malloc(BUFF_SIZE);
buff_idx = 0;
}
switch (*(format + fmt_idx + 1)) /*this needs to shrink*/
{
case 's':
next = va_arg(args, char*); /*Store string temporarily*/
buffer = _strcpy(buffer, next);
BUFF_SIZE = _strlen(buffer);
buff_idx += _strlen(next);
write(1, next, _strlen(next));
break;
case 'c': /* add 1 byte and i++ */
c = (char) va_arg(args, int);
buffer = append(buffer, c);
BUFF_SIZE += 1;
buff_idx += 1;
c = va_arg(args, int);
write(1, &c, 1);
break;
case '%': /*add 1 byte*/
break;
}
fmt_idx += 2;
if (*(format + fmt_idx + 2))
{
fmt_idx += 2;
}
else
{
fmt_idx += 1;
}
}
else
{
@@ -54,6 +64,10 @@ int _printf(const char *format, ...)
fmt_idx++;
}
}
write(1, buffer, BUFF_SIZE + 1);
if (*buffer)
{
_puts(buffer);
free(buffer);
}
return (_strlen(buffer));
}