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314 volume VI os16 Sorgenti della libreria generale 315 2430037 | 105.9.3 lib/stdio/fclose.c 2430038 |#define stdin (&_stream[0]) 2430039 |#define stdout (&_stream[1]) Si veda la sezione 98.27. « 2430040 |#define stderr (&_stream[2]) 2430041 |//---------------------------------------------------------------------- 2430042 |void clearerr (FILE *fp); 2430043 |int fclose (FILE *fp); 2430044 |int feof (FILE *fp); 2430045 |int ferror (FILE *fp); 2430046 |int fflush (FILE *fp); 2430047 |int fgetc (FILE *fp); 2430048 |int fgetpos (FILE *restrict fp, fpos_t *restrict pos); 2460001 |#include 2460002 |#include 2460003 |//---------------------------------------------------------------------- 2460004 |int 2460005 |fclose (FILE *fp) 2460006 |{ 2460007 | return (close (fp->fdn)); 2460008 |} 2430049 |char *fgets (char *restrict string, int n, FILE *restrict fp); 2430050 |int fileno (FILE *fp); 2430051 |FILE *fopen (const char *path, const char *mode); 105.9.4 lib/stdio/feof.c 2430052 |int fprintf (FILE *fp, char *restrict format, ...); « 2430053 |int fputc (int c, FILE *fp); 2430054 |int fputs (const char *restrict string, FILE *restrict fp); 2430055 |size_t fread (void *restrict buffer, size_t size, size_t nmemb, 2430056 | FILE *restrict fp); 2430057 |FILE *freopen (const char *restrict path, 2430058 | const char *restrict mode, 2430059 | FILE *restrict fp); 2430060 |int fscanf (FILE *restrict fp, const char *restrict format, 2430061 | ...); 2430062 |int fseek (FILE *fp, long int offset, int whence); 2430063 |int fsetpos (FILE *fp, const fpos_t *pos); 2430064 |long int ftell (FILE *fp); 2430065 |off_t ftello (FILE *fp); Si veda la sezione 98.28. 2470001 |#include 2470002 |//---------------------------------------------------------------------- 2470003 |int 2470004 |feof (FILE *fp) 2470005 |{ 2470006 | if (fp != NULL) 2470007 | { 2470008 | return (fp->eof); 2470009 | } 2470010 | return (0); 2470011 |} 2430066 |size_t fwrite (const void *restrict buffer, size_t size, 2430067 | size_t nmemb, FILE *restrict fp); 2430068 |#define getc(p) (fgetc (p)) 2430069 |int getchar (void); 2430070 |char *gets (char *string); 2430071 |void perror (const char *string); 105.9.5 lib/stdio/ferror.c Si veda la sezione 98.29. « 2430072 |int printf (const char *restrict format, ...); 2480001 |#include 2430073 |#define putc(c, p) (fputc ((c), (p))) 2480002 |//---------------------------------------------------------------------- 2430074 |#define putchar(c) (fputc ((c), (stdout))) 2480003 |int 2430075 |int puts (const char *string); 2480004 |ferror (FILE *fp) 2430076 |void rewind (FILE *fp); 2480005 |{ 2430077 |int scanf (const char *restrict format, ...); 2480006 | if (fp != NULL) 2430078 |void setbuf (FILE *restrict fp, char *restrict buffer); 2480007 | { 2430079 |int setvbuf (FILE *restrict fp, char *restrict buffer, 2480008 | return (fp->error); 2430080 | int buf_mode, size_t size); 2480009 | } 2430081 |int snprintf (char *restrict string, size_t size, 2480010 | return (0); 2430082 | const char *restrict format, ...); 2480011 |} 2430083 |int sprintf (char *restrict string, const char *restrict format, 2430084 | ...); 2430085 |int sscanf (char *restrict string, const char *restrict format, 2430086 | ...); 105.9.6 lib/stdio/fflush.c 2430087 |int vfprintf (FILE *fp, char *restrict format, va_list arg); « 2430088 |int vfscanf (FILE *restrict fp, const char *restrict format, Si veda la sezione 98.30. 2430089 | va_list arg); 2430090 |int vprintf (const char *restrict format, va_list arg); 2430091 |int vscanf (const char *restrict format, va_list ap); 2430092 |int vsnprintf (char *restrict string, size_t size, 2430093 | const char *restrict format, va_list arg); 2430094 |int vsprintf (char *restrict string, const char *restrict format, 2430095 | va_list arg); 2430096 |int vsscanf (const char *string, const char *format, 2430097 | va_list ap); 2430098 | 2430099 |#endif 2490001 |#include 2490002 |//---------------------------------------------------------------------- 2490003 |int 2490004 |fflush (FILE *fp) 2490005 |{ 2490006 | // 2490007 | // The os16 library does not have any buffered data. 2490008 | // 2490009 | return (0); 2490010 |} « 105.9.1 lib/stdio/FILE.c Si veda la sezione 101.2. 2440001 |#include 2440002 |// 2440003 |// There must be room for at least ‘FOPEN_MAX’ elements. 2440004 |// 2440005 |FILE _stream[FOPEN_MAX]; 2440006 |//---------------------------------------------------------------------- 2440007 |void 2440008 |_stdio_stream_setup (void) 2440009 |{ 2440010 | _stream[0].fdn = 0; 2440011 | _stream[0].error = 0; 2440012 | _stream[0].eof = 0; 2440013 | 2440014 | _stream[1].fdn = 1; 2440015 | _stream[1].error = 0; 2440016 | _stream[1].eof = 0; 2440017 | 2440018 | _stream[2].fdn = 2; 2440019 | _stream[2].error = 0; 2440020 | _stream[2].eof = 0; 2440021 |} 105.9.7 lib/stdio/fgetc.c Si veda la sezione 98.31. 2500001 |#include 2500002 |#include 2500003 |#include 2500004 |//---------------------------------------------------------------------- 2500005 |int 2500006 |fgetc (FILE *fp) 2500007 |{ 2500008 | ssize_t size_read; 2500009 | int c; // Character read. 2500010 | // 2500011 | for (c = 0;;) 2500012 | { 2500013 | size_read = read (fp->fdn, &c, (size_t) 1); 2500014 | // 2500015 | if (size_read error = 0; 2450009 | fp->eof = 0; 2450010 | } 2450011 |} 2510001 |#include 2510002 |//---------------------------------------------------------------------- 2510003 |int 2510004 |fgetpos (FILE *restrict fp, fpos_t *restrict pos) 2510005 |{ 2510006 | long int position; 2510007 | // 2510008 | if (fp != NULL) 2510009 | { 2510010 | position = ftell (fp); 2510011 | if (position >= 0) 2510012 | { 2510013 | *pos = position; 2510014 | return (0);
316 volume VI os16 Sorgenti della libreria generale 317 « 2510015 | } 2510016 | } 2510017 | return (-1); 2510018 |} 105.9.9 lib/stdio/fgets.c Si veda la sezione 98.33. 2520001 |#include 2520002 |#include 2520003 |#include 2520004 |#include 2520005 |//---------------------------------------------------------------------- 2520006 |char * 2520007 |fgets (char *restrict string, int n, FILE *restrict fp) 2520008 |{ 2520009 | ssize_t size_read; 2520010 | int b; // Index inside the string buffer. 2520011 | // 2520012 | for (b = 0; b < (n-1); b++, string[b] = 0) 2520013 | { 2520014 | size_read = read (fp->fdn, &string[b], (size_t) 1); 2520015 | // 2520016 | if (size_read fdn); 2530010 | } 2530011 | errset (EBADF); // Bad file descriptor. 2530012 | return (-1); 2530013 |} 105.9.11 lib/stdio/fopen.c Si veda la sezione 98.35. 2540001 |#include 2540002 |#include 2540003 |#include 2540004 |#include 2540005 |#include 2540006 |#include 2540007 |#include 2540008 |#include 2540009 |#include 2540010 | 2540011 |//---------------------------------------------------------------------- 2540012 |FILE * 2540013 |fopen (const char *path, const char *mode) 2540014 |{ 2540015 | int fdn; 2540016 | // 2540017 | if (strcmp (mode, "r") || 2540018 | strcmp (mode, "rb")) 2540019 | { 2540020 | fdn = open (path, O_RDONLY); 2540021 | } 2540022 | else if (strcmp (mode, "r+") || 2540023 | strcmp (mode, "r+b") || 2540024 | strcmp (mode, "rb+")) 2540025 | { 2540026 | fdn = open (path, O_RDWR); 2540027 | } 2540028 | else if (strcmp (mode, "w") || 2540029 | strcmp (mode, "wb")) 2540030 | { 2540031 | fdn = open (path, O_WRONLY|O_CREAT|O_TRUNC, 0666); 2540032 | } 2540033 | else if (strcmp (mode, "w+") || 2540034 | strcmp (mode, "w+b") || 2540035 | strcmp (mode, "wb+")) 2540036 | { 2540037 | fdn = open (path, O_RDWR|O_CREAT|O_TRUNC, 0666); 105.9.13 lib/stdio/fputc.c Si veda la sezione 98.37. 2560001 |#include 2560002 |#include 2560003 |#include 2560004 |#include 2560005 |#include 2560006 |//---------------------------------------------------------------------- 2560007 |int 2560008 |fputc (int c, FILE *fp) 2560009 |{ 2560010 | ssize_t size_written; 2560011 | char character = (char) c; 2560012 | size_written = write (fp->fdn, &character, (size_t) 1); 2560013 | if (size_written < 0) 2560014 | { 2560015 | fp->eof = 1; 2560016 | return (EOF); 2560017 | } 2560018 | return (c); 2560019 |} 105.9.14 lib/stdio/fputs.c Si veda la sezione 98.38. 2570001 |#include 2570002 |#include 2570003 |//---------------------------------------------------------------------- 2570004 |int 2570005 |fputs (const char *restrict string, FILE *restrict fp) 2570006 |{ 2570007 | int i; // Index inside the string to be printed. 2570008 | int status; 2570009 | 2570010 | for (i = 0; i < strlen (string); i++) 2570011 | { 2570012 | status = fputc (string[i], fp); 2570013 | if (status == EOF) 2570014 | { 2570015 | fp->eof = 1; 2570016 | return (EOF); 2570017 | } 2570018 | } 2570019 | return (0); 2570020 |} « «
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