1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */
4  * Copyright (C) 2017-2021 Willy Tarreau <[email protected]>
21 #define EOF (-1)
24 /* Buffering mode used by setvbuf.  */
29 /* just define FILE as a non-empty type. The value of the pointer gives
42 /* provides a FILE* equivalent of fd. The mode is ignored. */
44 FILE *fdopen(int fd, const char *mode __attribute__((unused)))  in fdopen()  argument
53 /* provides the fd of stream. */
55 int fileno(FILE *stream)  in fileno()  argument
57 	intptr_t i = (intptr_t)stream;  in fileno()
61 		return -1;  in fileno()
66 /* flush a stream. */
68 int fflush(FILE *stream)  in fflush()  argument
70 	intptr_t i = (intptr_t)stream;  in fflush()
75 		return -1;  in fflush()
78 	/* Don't do anything, nolibc does not support buffering. */  in fflush()
82 /* flush a stream. */
84 int fclose(FILE *stream)  in fclose()  argument
86 	intptr_t i = (intptr_t)stream;  in fclose()
90 		return -1;  in fclose()
101 #define getc(stream) fgetc(stream)  argument
104 int fgetc(FILE* stream)  in fgetc()  argument
108 	if (read(fileno(stream), &ch, 1) <= 0)  in fgetc()
122 #define putc(c, stream) fputc(c, stream)  argument
125 int fputc(int c, FILE* stream)  in fputc()  argument
129 	if (write(fileno(stream), &ch, 1) <= 0)  in fputc()
143 /* internal fwrite()-like function which only takes a size and returns 0 on
147 int _fwrite(const void *buf, size_t size, FILE *stream)  in _fwrite()  argument
150 	int fd = fileno(stream);  in _fwrite()
156 		size -= ret;  in _fwrite()
163 size_t fwrite(const void *s, size_t size, size_t nmemb, FILE *stream)  in fwrite()  argument
168 		if (_fwrite(s, size, stream) != 0)  in fwrite()
176 int fputs(const char *s, FILE *stream)  in fputs()  argument
178 	return _fwrite(s, strlen(s), stream);  in fputs()
192 char *fgets(char *s, int size, FILE *stream)  in fgets()  argument
198 		c = fgetc(stream);  in fgets()
212  *  - %[l*]{d,u,c,x,p}
213  *  - %s
214  *  - unknown modifiers are ignored.
217 int vfprintf(FILE *stream, const char *fmt, va_list args)  in vfprintf()  argument
247 					/* sign-extend the value */  in vfprintf()
303 			len = ofs - 1;  in vfprintf()
305 			if (_fwrite(outstr, len, stream) != 0)  in vfprintf()
329 int fprintf(FILE *stream, const char *fmt, ...)  in fprintf()  argument
335 	ret = vfprintf(stream, fmt, args);  in fprintf()
359 int setvbuf(FILE *stream __attribute__((unused)),  in setvbuf()  argument
361 	    int mode,  in setvbuf()  argument
365 	 * nolibc does not support buffering so this is a nop. Just check mode  in setvbuf()
368 	switch (mode) {  in setvbuf()