75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/* pf_utils.c */
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#include "pf_private_header.h"
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#include "libft.h"
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/*
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** SPECIFIER :
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** receive a word as a string, check if it start by '%', and return the
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** specifier (diuxXspefgn) and the length (h hh l ll)
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** -if s is a string, or is a single '%'
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** return NULL (to print is as a string)
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** -if s is a double '%%', remove one '%', and
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** return NULL (to print is as a string)
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** -then s is a conversion, go to the length and specifier
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** -copy them in 'string'
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** -and remove them from s
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** -return the length and specifier in a string
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*/
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char *pf_specifier(char *s)
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{
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char *string;
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int i;
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if (s[0] != '%' || s[1] == '\0')
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return (NULL);
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if (s[1] == '%')
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{
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s[1] = '\0';
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return (NULL);
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}
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i = 1;
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while (ft_strchr("#0- +'0123456789.*", s[i]) != NULL)
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i++;
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string = ft_strdup(s + i);
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while (s[i] != '\0')
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{
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s[i] = '\0';
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i++;
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}
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return (string);
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}
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/*
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** print the string
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** because of lake of space, it also free 'type'
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*/
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int pf_put_word(int fd, char *s, char *type, int size)
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{
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int i;
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i = 0;
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while (i < size)
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write(fd, &(s[i++]), 1);
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free(type);
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free(s);
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return (i);
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}
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/*
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** because of lake of space...
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** -1 expand the specifier according to its type and its length
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** and put in a string 'print'
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** -2 transform 'print' according to the flags
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*/
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char *pf_convert_with_flags(char *s, va_list ap, char *type, int *size)
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{
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char *print;
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if (!(print = pf_convert(ap, type, &s)))
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return (NULL);
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if (!(print = pf_flag_transform(s, print, type, size)))
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return (NULL);
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free(s);
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return (print);
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} |