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123 lines
2.7 KiB
C
123 lines
2.7 KiB
C
/*
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* Utility functions.
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*
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* Copyright 2003 Dimitrie O. Paun
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* Copyright 2003 Ferenc Wagner
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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*/
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#include <unistd.h>
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#include <errno.h>
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#include "winetest.h"
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void *xmalloc (size_t len)
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{
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void *p = malloc (len);
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if (!p) report (R_FATAL, "Out of memory.");
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return p;
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}
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void *xrealloc (void *op, size_t len)
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{
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void *p = realloc (op, len);
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if (len && !p) report (R_FATAL, "Out of memory.");
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return p;
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}
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char *vstrfmtmake (size_t *lenp, const char *fmt, va_list ap)
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{
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size_t size = 1000;
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char *p, *q;
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int n;
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p = malloc (size);
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if (!p) return NULL;
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while (1) {
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n = vsnprintf (p, size, fmt, ap);
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if (n < 0) size *= 2; /* Windows */
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else if ((unsigned)n >= size) size = n+1; /* glibc */
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else break;
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q = realloc (p, size);
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if (!q) {
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free (p);
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return NULL;
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}
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p = q;
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}
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if (lenp) *lenp = n;
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return p;
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}
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char *vstrmake (size_t *lenp, va_list ap)
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{
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const char *fmt;
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fmt = va_arg (ap, const char*);
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return vstrfmtmake (lenp, fmt, ap);
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}
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char *strmake (size_t *lenp, ...)
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{
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va_list ap;
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char *p;
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va_start (ap, lenp);
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p = vstrmake (lenp, ap);
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if (!p) report (R_FATAL, "Out of memory.");
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va_end (ap);
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return p;
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}
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void xprintf (const char *fmt, ...)
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{
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va_list ap;
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size_t size;
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ssize_t written;
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char *buffer, *head;
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va_start (ap, fmt);
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buffer = vstrfmtmake (&size, fmt, ap);
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head = buffer;
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va_end (ap);
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while ((written = write (1, head, size)) != size) {
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if (written == -1)
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report (R_FATAL, "Can't write logs: %d", errno);
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head += written;
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size -= written;
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}
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free (buffer);
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}
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int
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goodtagchar (char c)
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{
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return (('a'<=c && c<='z') ||
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('A'<=c && c<='Z') ||
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('0'<=c && c<='9') ||
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c=='-' || c=='.');
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}
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const char *
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findbadtagchar (const char *tag)
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{
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while (*tag)
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if (goodtagchar (*tag)) tag++;
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else return tag;
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return NULL;
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}
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