]> git.ipfire.org Git - thirdparty/glibc.git/blob - include/stdio.h
getopt: clean up error reporting
[thirdparty/glibc.git] / include / stdio.h
1 #ifndef _STDIO_H
2 # if defined __need_FILE || defined __need___FILE || defined _ISOMAC
3 # include <libio/stdio.h>
4 # else
5 # include <libio/stdio.h>
6
7 /* Now define the internal interfaces. */
8 __BEGIN_DECLS
9
10 extern int __fcloseall (void);
11 extern int __snprintf (char *__restrict __s, size_t __maxlen,
12 const char *__restrict __format, ...)
13 __attribute__ ((__format__ (__printf__, 3, 4)));
14 libc_hidden_proto (__snprintf)
15 extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
16 const char *__restrict __format, _G_va_list __arg)
17 __attribute__ ((__format__ (__printf__, 3, 0)));
18 extern int __vfscanf (FILE *__restrict __s,
19 const char *__restrict __format,
20 _G_va_list __arg)
21 __attribute__ ((__format__ (__scanf__, 2, 0)));
22 libc_hidden_proto (__vfscanf)
23 extern int __vscanf (const char *__restrict __format,
24 _G_va_list __arg)
25 __attribute__ ((__format__ (__scanf__, 1, 0)));
26 extern _IO_ssize_t __getline (char **__lineptr, size_t *__n,
27 FILE *__stream);
28 extern int __vsscanf (const char *__restrict __s,
29 const char *__restrict __format,
30 _G_va_list __arg)
31 __attribute__ ((__format__ (__scanf__, 2, 0)));
32
33 # ifndef __cplusplus
34 extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
35 extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
36 __THROW;
37 extern int __vsprintf_chk (char *, int, size_t, const char *,
38 _G_va_list) __THROW;
39 extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
40 _G_va_list) __THROW;
41 extern int __printf_chk (int, const char *, ...);
42 extern int __fprintf_chk (FILE *, int, const char *, ...);
43 extern int __vprintf_chk (int, const char *, _G_va_list);
44 extern int __vfprintf_chk (FILE *, int, const char *, _G_va_list);
45 extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
46 extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
47 extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
48 extern int __vasprintf_chk (char **, int, const char *, _G_va_list) __THROW;
49 extern int __dprintf_chk (int, int, const char *, ...);
50 extern int __vdprintf_chk (int, int, const char *, _G_va_list);
51 extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
52 __THROW;
53 extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
54 _G_va_list) __THROW;
55 # endif
56
57 extern int __isoc99_fscanf (FILE *__restrict __stream,
58 const char *__restrict __format, ...) __wur;
59 extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
60 extern int __isoc99_sscanf (const char *__restrict __s,
61 const char *__restrict __format, ...) __THROW;
62 extern int __isoc99_vfscanf (FILE *__restrict __s,
63 const char *__restrict __format,
64 _G_va_list __arg) __wur;
65 extern int __isoc99_vscanf (const char *__restrict __format,
66 _G_va_list __arg) __wur;
67 extern int __isoc99_vsscanf (const char *__restrict __s,
68 const char *__restrict __format,
69 _G_va_list __arg) __THROW;
70 libc_hidden_proto (__isoc99_vsscanf)
71 libc_hidden_proto (__isoc99_vfscanf)
72
73 /* Prototypes for compatibility functions. */
74 extern FILE *__new_tmpfile (void);
75 extern FILE *__old_tmpfile (void);
76
77
78
79 # define __need_size_t
80 # define __need_wint_t
81 # include <stddef.h>
82 /* Generate a unique file name (and possibly open it). */
83 extern int __path_search (char *__tmpl, size_t __tmpl_len,
84 const char *__dir, const char *__pfx,
85 int __try_tempdir);
86
87 extern int __gen_tempname (char *__tmpl, int __suffixlen, int __flags,
88 int __kind);
89 /* The __kind argument to __gen_tempname may be one of: */
90 # define __GT_FILE 0 /* create a file */
91 # define __GT_DIR 1 /* create a directory */
92 # define __GT_NOCREATE 2 /* just find a name not currently in use */
93
94 /* Print out MESSAGE on the error output and abort. */
95 extern void __libc_fatal (const char *__message)
96 __attribute__ ((__noreturn__));
97 extern void __libc_message (int do_abort, const char *__fnt, ...);
98 extern void __fortify_fail (const char *msg)
99 __attribute__ ((__noreturn__)) internal_function;
100 libc_hidden_proto (__fortify_fail)
101
102 /* Acquire ownership of STREAM. */
103 extern void __flockfile (FILE *__stream);
104
105 /* Relinquish the ownership granted for STREAM. */
106 extern void __funlockfile (FILE *__stream);
107
108 /* Try to acquire ownership of STREAM but do not block if it is not
109 possible. */
110 extern int __ftrylockfile (FILE *__stream);
111
112 extern int __getc_unlocked (FILE *__fp);
113 extern wint_t __getwc_unlocked (FILE *__fp);
114
115 extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
116 __attribute__ ((__format__ (__printf__, 2, 3)));
117 extern int __fxprintf_nocancel (FILE *__fp, const char *__fmt, ...)
118 __attribute__ ((__format__ (__printf__, 2, 3)));
119
120 extern const char *const _sys_errlist_internal[] attribute_hidden;
121 extern int _sys_nerr_internal attribute_hidden;
122
123 libc_hidden_proto (__asprintf)
124 # if IS_IN (libc)
125 extern _IO_FILE *_IO_new_fopen (const char*, const char*);
126 # define fopen(fname, mode) _IO_new_fopen (fname, mode)
127 extern _IO_FILE *_IO_new_fdopen (int, const char*);
128 # define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
129 extern int _IO_new_fclose (_IO_FILE*);
130 # define fclose(fp) _IO_new_fclose (fp)
131 extern int _IO_fputs (const char*, _IO_FILE*);
132 libc_hidden_proto (_IO_fputs)
133 # define fputs(str, fp) _IO_fputs (str, fp)
134 extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *);
135 # define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
136 extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *);
137 # define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
138 # endif
139
140 libc_hidden_proto (dprintf)
141 extern __typeof (dprintf) __dprintf
142 __attribute__ ((__format__ (__printf__, 2, 3)));
143 libc_hidden_proto (__dprintf)
144 libc_hidden_proto (fprintf)
145 libc_hidden_proto (vfprintf)
146 libc_hidden_proto (sprintf)
147 libc_hidden_proto (sscanf)
148 libc_hidden_proto (fwrite)
149 libc_hidden_proto (perror)
150 libc_hidden_proto (remove)
151 libc_hidden_proto (rewind)
152 libc_hidden_proto (fileno)
153 extern __typeof (fileno) __fileno;
154 libc_hidden_proto (__fileno)
155 libc_hidden_proto (fwrite)
156 libc_hidden_proto (fseek)
157 extern __typeof (ftello) __ftello;
158 libc_hidden_proto (__ftello)
159 libc_hidden_proto (fflush)
160 libc_hidden_proto (fflush_unlocked)
161 extern __typeof (fflush_unlocked) __fflush_unlocked;
162 libc_hidden_proto (__fflush_unlocked)
163 extern __typeof (fread_unlocked) __fread_unlocked;
164 libc_hidden_proto (__fread_unlocked)
165 libc_hidden_proto (fwrite_unlocked)
166 libc_hidden_proto (fgets_unlocked)
167 extern __typeof (fgets_unlocked) __fgets_unlocked;
168 libc_hidden_proto (__fgets_unlocked)
169 libc_hidden_proto (fputs_unlocked)
170 extern __typeof (fputs_unlocked) __fputs_unlocked;
171 libc_hidden_proto (__fputs_unlocked)
172 libc_hidden_proto (fmemopen)
173 /* The prototype needs repeating instead of using __typeof to use
174 __THROW in C++ tests. */
175 extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
176 libc_hidden_proto (__open_memstream)
177 libc_hidden_proto (__libc_fatal)
178 rtld_hidden_proto (__libc_fatal)
179 libc_hidden_proto (__vsprintf_chk)
180 libc_hidden_proto (__vsnprintf_chk)
181 libc_hidden_proto (__vfprintf_chk)
182 libc_hidden_proto (__vasprintf_chk)
183 libc_hidden_proto (__vdprintf_chk)
184 libc_hidden_proto (__obstack_vprintf_chk)
185
186 extern FILE * __fmemopen (void *buf, size_t len, const char *mode);
187 libc_hidden_proto (__fmemopen)
188
189 __END_DECLS
190 # endif
191
192 #endif