findfp.c (1a0fda2b547365c9453523592a445dfe21266d4b) findfp.c (1b0181df2f46ef73a41ea8c9b7026718f8eec3a1)
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without

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56#define std(flags, file) { \
57 ._flags = (flags), \
58 ._file = (file), \
59 ._cookie = __sF + (file), \
60 ._close = __sclose, \
61 ._read = __sread, \
62 ._seek = __sseek, \
63 ._write = __swrite, \
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without

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56#define std(flags, file) { \
57 ._flags = (flags), \
58 ._file = (file), \
59 ._cookie = __sF + (file), \
60 ._close = __sclose, \
61 ._read = __sread, \
62 ._seek = __sseek, \
63 ._write = __swrite, \
64 ._fl_mutex = PTHREAD_MUTEX_INITIALIZER, \
64}
65 /* the usual - (stdin + stdout + stderr) */
66static FILE usual[FOPEN_MAX - 3];
67static struct glue uglue = { NULL, FOPEN_MAX - 3, usual };
68
69static FILE __sF[3] = {
70 std(__SRD, STDIN_FILENO),
71 std(__SWR, STDOUT_FILENO),

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91#define SET_GLUE_PTR(ptr, val) ptr = val
92#endif
93
94static struct glue *
95moreglue(n)
96 int n;
97{
98 struct glue *g;
65}
66 /* the usual - (stdin + stdout + stderr) */
67static FILE usual[FOPEN_MAX - 3];
68static struct glue uglue = { NULL, FOPEN_MAX - 3, usual };
69
70static FILE __sF[3] = {
71 std(__SRD, STDIN_FILENO),
72 std(__SWR, STDOUT_FILENO),

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92#define SET_GLUE_PTR(ptr, val) ptr = val
93#endif
94
95static struct glue *
96moreglue(n)
97 int n;
98{
99 struct glue *g;
99 static FILE empty;
100 static FILE empty = { ._fl_mutex = PTHREAD_MUTEX_INITIALIZER };
100 FILE *p;
101
102 g = (struct glue *)malloc(sizeof(*g) + ALIGNBYTES + n * sizeof(FILE));
103 if (g == NULL)
104 return (NULL);
105 p = (FILE *)ALIGN(g + 1);
106 g->next = NULL;
107 g->niobs = n;

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149 fp->_bf._size = 0;
150 fp->_lbfsize = 0; /* not line buffered */
151 fp->_file = -1; /* no file */
152/* fp->_cookie = <any>; */ /* caller sets cookie, _read/_write etc */
153 fp->_ub._base = NULL; /* no ungetc buffer */
154 fp->_ub._size = 0;
155 fp->_lb._base = NULL; /* no line buffer */
156 fp->_lb._size = 0;
101 FILE *p;
102
103 g = (struct glue *)malloc(sizeof(*g) + ALIGNBYTES + n * sizeof(FILE));
104 if (g == NULL)
105 return (NULL);
106 p = (FILE *)ALIGN(g + 1);
107 g->next = NULL;
108 g->niobs = n;

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150 fp->_bf._size = 0;
151 fp->_lbfsize = 0; /* not line buffered */
152 fp->_file = -1; /* no file */
153/* fp->_cookie = <any>; */ /* caller sets cookie, _read/_write etc */
154 fp->_ub._base = NULL; /* no ungetc buffer */
155 fp->_ub._size = 0;
156 fp->_lb._base = NULL; /* no line buffer */
157 fp->_lb._size = 0;
157/* fp->_lock = NULL; */ /* once set always set (reused) */
158/* fp->_fl_mutex = NULL; */ /* once set always set (reused) */
158 fp->_orientation = 0;
159 memset(&fp->_mbstate, 0, sizeof(mbstate_t));
160 return (fp);
161}
162
163/*
164 * XXX. Force immediate allocation of internal memory. Not used by stdio,
165 * but documented historically for certain applications. Bad applications.

--- 51 unchanged lines hidden --- 		159 fp->_orientation = 0;
160 memset(&fp->_mbstate, 0, sizeof(mbstate_t));
161 return (fp);
162}
163
164/*
165 * XXX. Force immediate allocation of internal memory. Not used by stdio,
166 * but documented historically for certain applications. Bad applications.

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