(public_cALLOc): Check for overflow on multiplication.
[glibc.git] / libio / iolibio.h
blobe15523ec05b9c4ef050f4d06654857b7ace4c953
1 #include "libio.h"
3 /* These emulate stdio functionality, but with a different name
4 (_IO_ungetc instead of ungetc), and using _IO_FILE instead of FILE. */
6 #ifdef __cplusplus
7 extern "C" {
8 #endif
10 extern int _IO_fclose __P((_IO_FILE*));
11 extern int _IO_new_fclose __P((_IO_FILE*));
12 extern int _IO_old_fclose __P((_IO_FILE*));
13 extern _IO_FILE *_IO_fdopen __P((int, const char*));
14 extern _IO_FILE *_IO_old_fdopen __P((int, const char*));
15 extern _IO_FILE *_IO_new_fdopen __P((int, const char*));
16 extern int _IO_fflush __P((_IO_FILE*));
17 extern int _IO_fgetpos __P((_IO_FILE*, _IO_fpos_t*));
18 extern int _IO_fgetpos64 __P((_IO_FILE*, _IO_fpos64_t*));
19 extern char* _IO_fgets __P((char*, int, _IO_FILE*));
20 extern _IO_FILE *_IO_fopen __P((const char*, const char*));
21 extern _IO_FILE *_IO_old_fopen __P((const char*, const char*));
22 extern _IO_FILE *_IO_new_fopen __P((const char*, const char*));
23 extern _IO_FILE *_IO_fopen64 __P((const char*, const char*));
24 extern _IO_FILE *__fopen_internal __P((const char*, const char*, int));
25 extern _IO_FILE *__fopen_maybe_mmap __P((_IO_FILE *));
26 extern int _IO_fprintf __P((_IO_FILE*, const char*, ...));
27 extern int _IO_fputs __P((const char*, _IO_FILE*));
28 extern int _IO_fsetpos __P((_IO_FILE*, const _IO_fpos_t *));
29 extern int _IO_fsetpos64 __P((_IO_FILE*, const _IO_fpos64_t *));
30 extern long int _IO_ftell __P((_IO_FILE*));
31 extern _IO_size_t _IO_fread __P((void*, _IO_size_t, _IO_size_t, _IO_FILE*));
32 extern _IO_size_t _IO_fwrite __P((const void*,
33 _IO_size_t, _IO_size_t, _IO_FILE*));
34 extern char* _IO_gets __P((char*));
35 extern void _IO_perror __P((const char*));
36 extern int _IO_printf __P((const char*, ...));
37 extern int _IO_puts __P((const char*));
38 extern int _IO_scanf __P((const char*, ...));
39 extern void _IO_setbuffer __P((_IO_FILE *, char*, _IO_size_t));
40 extern int _IO_setvbuf __P((_IO_FILE*, char*, int, _IO_size_t));
41 extern int _IO_sscanf __P((const char*, const char*, ...));
42 extern int _IO_sprintf __P((char *, const char*, ...));
43 extern int _IO_ungetc __P((int, _IO_FILE*));
44 extern int _IO_vsscanf __P((const char *, const char *, _IO_va_list));
45 extern int _IO_vsprintf __P((char*, const char*, _IO_va_list));
46 extern int _IO_vswprintf __P((wchar_t*, _IO_size_t, const wchar_t*,
47 _IO_va_list));
49 struct obstack;
50 extern int _IO_obstack_vprintf __P ((struct obstack *, const char *,
51 _IO_va_list));
52 extern int _IO_obstack_printf __P ((struct obstack *, const char *, ...));
53 #ifndef _IO_pos_BAD
54 #define _IO_pos_BAD ((_IO_off64_t)(-1))
55 #endif
56 #define _IO_clearerr(FP) ((FP)->_flags &= ~(_IO_ERR_SEEN|_IO_EOF_SEEN))
57 #define _IO_fseek(__fp, __offset, __whence) \
58 (INTUSE(_IO_seekoff)(__fp, __offset, __whence, _IOS_INPUT|_IOS_OUTPUT) \
59 == _IO_pos_BAD ? EOF : 0)
60 #define _IO_rewind(FILE) \
61 (void)INTUSE(_IO_seekoff)(FILE, 0, 0, _IOS_INPUT|_IOS_OUTPUT)
62 #define _IO_vprintf(FORMAT, ARGS) \
63 INTUSE(_IO_vfprintf) (_IO_stdout, FORMAT, ARGS)
64 #define _IO_freopen(FILENAME, MODE, FP) \
65 (INTUSE(_IO_file_close_it)(FP), \
66 INTUSE(_IO_file_fopen)(FP, FILENAME, MODE, 1))
67 #define _IO_old_freopen(FILENAME, MODE, FP) \
68 (_IO_old_file_close_it (FP), _IO_old_file_fopen(FP, FILENAME, MODE))
69 #define _IO_freopen64(FILENAME, MODE, FP) \
70 (INTUSE(_IO_file_close_it)(FP), \
71 INTUSE(_IO_file_fopen)(FP, FILENAME, MODE, 0))
72 #define _IO_fileno(FP) ((FP)->_fileno)
73 extern _IO_FILE* _IO_popen __P((const char*, const char*));
74 extern _IO_FILE* _IO_new_popen __P((const char*, const char*));
75 extern _IO_FILE* _IO_old_popen __P((const char*, const char*));
76 extern int __new_pclose __P((_IO_FILE *));
77 extern int __old_pclose __P((_IO_FILE *));
78 #define _IO_pclose _IO_fclose
79 #define _IO_setbuf(_FP, _BUF) INTUSE(_IO_setbuffer)(_FP, _BUF, _IO_BUFSIZ)
80 #define _IO_setlinebuf(_FP) INTUSE(_IO_setvbuf)(_FP, NULL, 1, 0)
82 _IO_FILE *__new_freopen __P ((const char *, const char *, _IO_FILE *));
83 _IO_FILE *__old_freopen __P ((const char *, const char *, _IO_FILE *));
85 /* Prototype for functions with alternative entry point. */
86 extern void _IO_setbuffer_internal __P((_IO_FILE *, char*, _IO_size_t));
87 extern _IO_size_t _IO_fread_internal __P((void*, _IO_size_t, _IO_size_t,
88 _IO_FILE*));
89 extern _IO_FILE *_IO_fdopen_internal __P((int, const char*));
90 extern int _IO_vsprintf_internal __P((char*, const char*, _IO_va_list));
91 extern int _IO_fflush_internal __P((_IO_FILE*));
92 extern _IO_size_t _IO_fwrite_internal __P((const void*, _IO_size_t,
93 _IO_size_t, _IO_FILE*));
94 extern long int _IO_ftell_internal __P((_IO_FILE*));
95 extern int _IO_fputs_internal __P((const char*, _IO_FILE*));
96 extern int _IO_setvbuf_internal __P((_IO_FILE*, char*, int, _IO_size_t));
98 #ifdef __cplusplus
100 #endif