4  * SPDX-License-Identifier: Apache-2.0
10 /* Tiny, but not-as-primitive-as-it-looks implementation of something
14  * the regex: [0-9]*\.?[0-9]*
28 	if (r->buf != NULL) {  in pc()
29 		if (r->idx <= r->len) {  in pc()
30 			r->buf[r->idx] = c;  in pc()
35 	r->idx++;  in pc()
41 		pc(r, '-');  in prdec()
42 		v = -v;  in prdec()
46 	int i = sizeof(digs) - 1;  in prdec()
49 	--i;  in prdec()
52 		--i;  in prdec()
65 	if (r->buf && r->idx < r->len) {  in endrec()
66 		r->buf[r->idx] = 0;  in endrec()
70 static int vpf(struct _pfr *r, const char *f, va_list ap)  in vpf()  argument
72 	for (/**/; *f != '\0'; f++) {  in vpf()
75 		if (*f != '%') {  in vpf()
76 			pc(r, *f);  in vpf()
80 		if (f[1] == 'l') {  in vpf()
82 			f++;  in vpf()
86 		while (f[1] >= '0' && f[1] <= '9') {  in vpf()
87 			f++;  in vpf()
89 		if (f[1] == '.') {  in vpf()
90 			f++;  in vpf()
92 		while (f[1] >= '0' && f[1] <= '9') {  in vpf()
93 			f++;  in vpf()
96 		switch (*(++f)) {  in vpf()
98 			return r->idx;  in vpf()
122 			for (int i = 2*sizeof(long) - 1; i >= 0; i--) {  in vpf()
137 			pc(r, *f);  in vpf()
141 	return r->idx;  in vpf()
146 	va_start(ap, f);			\
147 	ret = vpf(&r, f, ap);			\
150 static inline int snprintf(char *buf, unsigned long len, const char *f, ...)  in snprintf()  argument
159 static inline int sprintf(char *buf, const char *f, ...)  in sprintf()  argument
168 static inline int printf(const char *f, ...)  in printf()  argument