128 lines
2.7 KiB
C
128 lines
2.7 KiB
C
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/*
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* Useful functions for winegcc/winewrap
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*
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* Copyright 2000 Francois Gouget
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* Copyright 2002 Dimitrie O. Paun
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* Copyright 2003 Richard Cohen
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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 "config.h"
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#include "wine/port.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "utils.h"
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#if !defined(min)
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# define min(x,y) (((x) < (y)) ? (x) : (y))
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#endif
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int verbose = 0;
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void error(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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fprintf(stderr, "Error: ");
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vfprintf(stderr, s, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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exit(2);
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}
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void *xmalloc(size_t size)
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{
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void *p;
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if ((p = malloc (size)) == NULL)
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error("Can not malloc %d bytes.", size);
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return p;
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}
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void *xrealloc(void* p, size_t size)
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{
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void* p2;
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if ((p2 = realloc (p, size)) == NULL)
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error("Can not realloc %d bytes.", size);
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return p2;
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}
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char *strmake(const char *fmt, ...)
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{
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int n;
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size_t size = 100;
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char *p;
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va_list ap;
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p = xmalloc (size);
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while (1)
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{
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va_start(ap, fmt);
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n = vsnprintf (p, size, fmt, ap);
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va_end(ap);
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if (n > -1 && n < size) return p;
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size = min( size*2, n+1 );
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p = xrealloc (p, size);
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}
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}
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strarray *strarray_alloc(void)
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{
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strarray *arr = xmalloc(sizeof(*arr));
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arr->maximum = arr->size = 0;
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arr->base = NULL;
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return arr;
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}
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void strarray_free(strarray* arr)
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{
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free(arr->base);
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free(arr);
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}
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void strarray_add(strarray* arr, char* str)
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{
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if (arr->size == arr->maximum)
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{
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arr->maximum += 10;
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arr->base = xrealloc(arr->base, sizeof(*(arr->base)) * arr->maximum);
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}
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arr->base[arr->size++] = str;
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}
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void spawn(strarray* arr)
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{
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int i, status;
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char **argv = arr->base;
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if (verbose)
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{
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for(i = 0; argv[i]; i++) printf("%s ", argv[i]);
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printf("\n");
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}
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if (!(status = spawnvp( _P_WAIT, argv[0], argv))) return;
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if (status > 0) error("%s failed.", argv[0]);
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else perror("Error:");
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exit(3);
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}
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