commented things to clarify
This commit is contained in:
18
printf.c
18
printf.c
@@ -10,21 +10,21 @@
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**/
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int _printf(const char *format, ...)
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{
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int buff_idx, fmt_idx;
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int buff_idx, fmt_idx; /* Indexes */
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unsigned int identifiers, BUFF_SIZE, printed;
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char *buffer;
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char *buffer; /*where non formated things are stored*/
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va_list args;
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va_start(args, format);
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identifiers = _contains(format, '%');
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identifiers = _contains(format, '%'); /* instances of %s, %c etc */
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BUFF_SIZE = _strlen(format) - identifiers;
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buffer = malloc(BUFF_SIZE);
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buffer = malloc(BUFF_SIZE); /* sized of the non % instances only*/
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if (!format) /* No string. No laundry */
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return (0);
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buff_idx = 0;
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buff_idx = 0; /* was there a way to squish these together? */
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fmt_idx = 0;
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printed = 0;
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while (*(format + fmt_idx))
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@@ -35,6 +35,7 @@ int _printf(const char *format, ...)
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{
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_puts(buffer);
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BUFF_SIZE -= _strlen(buffer);
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printed += _strlen(buffer);
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free(buffer);
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buffer = malloc(BUFF_SIZE);
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buff_idx = 0;
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@@ -42,12 +43,13 @@ int _printf(const char *format, ...)
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switch (*(format + fmt_idx + 1)) /*this needs to shrink*/
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{
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case 's':
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_puts(va_arg(args, char*));
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printed += _puts(va_arg(args, char*));
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break;
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case 'c':
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_putchar(va_arg(args, int));
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printed += _putchar(va_arg(args, int));
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break;
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case '%': /*add 1 byte*/
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printed += _putchar('%');
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break;
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}
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fmt_idx += 2;
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@@ -61,7 +63,7 @@ int _printf(const char *format, ...)
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}
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if (*buffer)
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{
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_puts(buffer);
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printed += _puts(buffer);
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free(buffer);
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}
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return (printed);
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