xref: /optee_os/lib/libutils/isoc/include/stdio.h (revision 405a5072d8bd25c18fd151d97e452d6863786f03)
11bb92983SJerome Forissier /* SPDX-License-Identifier: BSD-2-Clause */
2b0104773SPascal Brand /*
3b0104773SPascal Brand  * Copyright (c) 2014, STMicroelectronics International N.V.
4b0104773SPascal Brand  */
5b0104773SPascal Brand #ifndef STDIO_H
6b0104773SPascal Brand #define STDIO_H
7b0104773SPascal Brand 
8b0104773SPascal Brand #include <stddef.h>
9b0104773SPascal Brand #include <stdarg.h>
10b0104773SPascal Brand 
11b0104773SPascal Brand typedef struct _FILE FILE;
12b0104773SPascal Brand 
13b0104773SPascal Brand int printf(const char *fmt, ...)
14b0104773SPascal Brand                     __attribute__ ((__format__ (__printf__, 1, 2)));
15f35d131bSJerome Forissier /* sprintf() is unsafe and should not be used. Prefer snprintf(). */
16f35d131bSJerome Forissier int sprintf(char *str, const char *fmt, ...)
17f35d131bSJerome Forissier                     __attribute__ ((__format__ (__printf__, 2, 3)))
18f35d131bSJerome Forissier                     __attribute__ ((deprecated));
19b0104773SPascal Brand int snprintf(char *str, size_t size, const char *fmt, ...)
20b0104773SPascal Brand                     __attribute__ ((__format__ (__printf__, 3, 4)));
21b0104773SPascal Brand int vsnprintf (char *str, size_t size, const char *fmt, va_list ap)
22b0104773SPascal Brand                     __attribute__ ((__format__ (__printf__, 3, 0)));
23b0104773SPascal Brand 
24b0104773SPascal Brand int puts(const char *str);
25dc454609SJerome Forissier int putchar(int c);
26b0104773SPascal Brand 
27*405a5072SJerome Forissier #ifndef __KERNEL__
28*405a5072SJerome Forissier 
29*405a5072SJerome Forissier extern FILE *stdout;
30*405a5072SJerome Forissier extern FILE *stderr;
31*405a5072SJerome Forissier 
32*405a5072SJerome Forissier /*
33*405a5072SJerome Forissier  * The functions below send their output synchronously to the secure console.
34*405a5072SJerome Forissier  * They treat stdout and stderr the same, and will abort if stream is not one or
35*405a5072SJerome Forissier  * the other.
36*405a5072SJerome Forissier  */
37*405a5072SJerome Forissier 
38*405a5072SJerome Forissier int fputc(int c, FILE *stream);
39*405a5072SJerome Forissier int fputs(const char *s, FILE *stream);
40*405a5072SJerome Forissier size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
41*405a5072SJerome Forissier #endif
42*405a5072SJerome Forissier 
43b0104773SPascal Brand #endif /*STDIO_H*/
44