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@ -24,7 +24,9 @@ |
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#include "mingw_support.h" |
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#include <stdio.h> |
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#include <stdint.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <assert.h> |
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#include <io.h> |
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int fsync(int fd) |
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@ -77,3 +79,158 @@ int munmap(void *addr, size_t len) |
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return 0; |
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} |
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/* Reentrant string tokenizer. Generic version.
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Copyright (C) 1991,1996-1999,2001,2004,2007 Free Software Foundation, Inc. |
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This file is part of the GNU C Library. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License along |
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with this program; if not, write to the Free Software Foundation, |
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
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/* Parse S into tokens separated by characters in DELIM.
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If S is NULL, the saved pointer in SAVE_PTR is used as |
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the next starting point. For example: |
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char s[] = "-abc-=-def"; |
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char *sp; |
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x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
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x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
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x = strtok_r(NULL, "=", &sp); // x = NULL
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// s = "abc\0-def\0"
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*/ |
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char *strtok_r(char *s, const char *delim, char **save_ptr) |
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{ |
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char *token; |
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if (s == NULL) |
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s = *save_ptr; |
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/* Scan leading delimiters. */ |
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s += strspn(s, delim); |
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if (*s == '\0') { |
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*save_ptr = s; |
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return NULL; |
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} |
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/* Find the end of the token. */ |
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token = s; |
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s = strpbrk (token, delim); |
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if (s == NULL) { |
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/* This token finishes the string. */ |
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*save_ptr = memchr(token, '\0', strlen(token)); |
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} else { |
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/* Terminate the token and make *SAVE_PTR point past it. */ |
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*s = '\0'; |
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*save_ptr = s + 1; |
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} |
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return token; |
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} |
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/* getline.c -- Replacement for GNU C library function getline
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Copyright (C) 1993, 1996, 2001, 2002 Free Software Foundation, Inc. |
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License as |
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published by the Free Software Foundation; either version 2 of the |
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License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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/* Written by Jan Brittenson, bson@gnu.ai.mit.edu. */ |
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/* Always add at least this many bytes when extending the buffer. */ |
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#define MIN_CHUNK 64 |
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/* Read up to (and including) a TERMINATOR from STREAM into *LINEPTR
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+ OFFSET (and null-terminate it). *LINEPTR is a pointer returned from |
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malloc (or NULL), pointing to *N characters of space. It is realloc'd |
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as necessary. Return the number of characters read (not including the |
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null terminator), or -1 on error or EOF. |
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NOTE: There is another getstr() function declared in <curses.h>. */ |
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static int getstr(char **lineptr, size_t *n, FILE *stream, |
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char terminator, size_t offset) |
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{ |
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int nchars_avail; /* Allocated but unused chars in *LINEPTR. */ |
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char *read_pos; /* Where we're reading into *LINEPTR. */ |
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int ret; |
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if (!lineptr || !n || !stream) |
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return -1; |
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if (!*lineptr) { |
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*n = MIN_CHUNK; |
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*lineptr = malloc(*n); |
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if (!*lineptr) |
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return -1; |
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} |
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nchars_avail = *n - offset; |
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read_pos = *lineptr + offset; |
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for (;;) { |
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register int c = getc(stream); |
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/* We always want at least one char left in the buffer, since we
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always (unless we get an error while reading the first char) |
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NUL-terminate the line buffer. */ |
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assert(*n - nchars_avail == read_pos - *lineptr); |
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if (nchars_avail < 2) { |
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if (*n > MIN_CHUNK) |
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*n *= 2; |
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else |
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*n += MIN_CHUNK; |
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nchars_avail = *n + *lineptr - read_pos; |
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*lineptr = realloc(*lineptr, *n); |
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if (!*lineptr) |
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return -1; |
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read_pos = *n - nchars_avail + *lineptr; |
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assert(*n - nchars_avail == read_pos - *lineptr); |
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} |
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if (c == EOF || ferror (stream)) { |
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/* Return partial line, if any. */ |
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if (read_pos == *lineptr) |
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return -1; |
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else |
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break; |
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} |
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*read_pos++ = c; |
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nchars_avail--; |
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if (c == terminator) |
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/* Return the line. */ |
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break; |
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} |
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/* Done - NUL terminate and return the number of chars read. */ |
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*read_pos = '\0'; |
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ret = read_pos - (*lineptr + offset); |
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return ret; |
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} |
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int getline (char **lineptr, size_t *n, FILE *stream) |
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{ |
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return getstr(lineptr, n, stream, '\n', 0); |
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} |
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