347 lines
8.4 KiB
C
347 lines
8.4 KiB
C
/*
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* Useful functions for winegcc
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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, "winegcc: ");
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vfprintf(stderr, s, ap);
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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("Could not malloc %d bytes\n", 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 = realloc (p, size);
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if (size && !p2)
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error("Could not realloc %d bytes\n", size);
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return p2;
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}
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char *xstrdup( const char *str )
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{
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char *res = strdup( str );
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if (!res) error("Virtual memory exhausted.\n");
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return res;
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}
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int strendswith(const char* str, const char* end)
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{
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int l = strlen(str);
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int m = strlen(end);
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return l >= m && strcmp(str + l - m, end) == 0;
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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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va_list ap;
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while (1)
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{
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char *p = xmalloc (size);
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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) size *= 2;
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else if ((size_t)n >= size) size = n + 1;
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else return p;
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free(p);
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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, const 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 strarray_del(strarray* arr, unsigned int i)
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{
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if (i >= arr->size) error("Invalid index i=%d\n", i);
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memmove(&arr->base[i], &arr->base[i + 1], (arr->size - i - 1) * sizeof(arr->base[0]));
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arr->size--;
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}
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void strarray_addall(strarray* arr, const strarray* from)
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{
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unsigned int i;
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for (i = 0; i < from->size; i++)
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strarray_add(arr, from->base[i]);
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}
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strarray* strarray_dup(const strarray* arr)
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{
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strarray* dup = strarray_alloc();
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unsigned int i;
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for (i = 0; i < arr->size; i++)
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strarray_add(dup, arr->base[i]);
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return dup;
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}
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strarray* strarray_fromstring(const char* str, const char* delim)
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{
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strarray* arr = strarray_alloc();
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char* buf = strdup(str);
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const char* tok;
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for(tok = strtok(buf, delim); tok; tok = strtok(0, delim))
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strarray_add(arr, strdup(tok));
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free(buf);
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return arr;
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}
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char* strarray_tostring(const strarray* arr, const char* sep)
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{
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char *str, *newstr;
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unsigned int i;
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str = strmake("%s", arr->base[0]);
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for (i = 1; i < arr->size; i++)
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{
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newstr = strmake("%s%s%s", str, sep, arr->base[i]);
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free(str);
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str = newstr;
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}
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return str;
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}
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char* get_basename(const char* file)
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{
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const char* name;
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char *base_name, *p;
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if ((name = strrchr(file, '/'))) name++;
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else name = file;
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base_name = strdup(name);
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if ((p = strrchr(base_name, '.'))) *p = 0;
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return base_name;
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}
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void create_file(const char* name, int mode, const char* fmt, ...)
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{
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va_list ap;
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FILE *file;
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if (verbose) printf("Creating file %s\n", name);
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va_start(ap, fmt);
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if ( !(file = fopen(name, "w")) )
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error("Unable to open %s for writing\n", name);
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vfprintf(file, fmt, ap);
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va_end(ap);
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fclose(file);
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chmod(name, mode);
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}
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file_type get_file_type(const char* filename)
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{
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/* see tools/winebuild/res32.c: check_header for details */
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static const char res_sig[] = { 0,0,0,0, 32,0,0,0, 0xff,0xff, 0,0, 0xff,0xff, 0,0, 0,0,0,0, 0,0, 0,0, 0,0,0,0, 0,0,0,0 };
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char buf[sizeof(res_sig)];
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int fd, cnt;
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fd = open( filename, O_RDONLY );
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if (fd == -1) return file_na;
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cnt = read(fd, buf, sizeof(buf));
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close( fd );
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if (cnt == -1) return file_na;
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if (cnt == sizeof(res_sig) && !memcmp(buf, res_sig, sizeof(res_sig))) return file_res;
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if (strendswith(filename, ".o")) return file_obj;
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if (strendswith(filename, ".a")) return file_arh;
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if (strendswith(filename, ".res")) return file_res;
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if (strendswith(filename, ".so")) return file_so;
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if (strendswith(filename, ".dylib")) return file_so;
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if (strendswith(filename, ".def")) return file_def;
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if (strendswith(filename, ".spec")) return file_spec;
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if (strendswith(filename, ".rc")) return file_rc;
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return file_other;
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}
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static char* try_lib_path(const char* dir, const char* pre,
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const char* library, const char* ext,
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file_type expected_type)
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{
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char *fullname;
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file_type type;
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/* first try a subdir named from the library we are looking for */
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fullname = strmake("%s/%s/%s%s%s", dir, library, pre, library, ext);
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if (verbose > 1) fprintf(stderr, "Try %s...", fullname);
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type = get_file_type(fullname);
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if (verbose > 1) fprintf(stderr, type == expected_type ? "FOUND!\n" : "no\n");
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if (type == expected_type) return fullname;
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free( fullname );
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fullname = strmake("%s/%s%s%s", dir, pre, library, ext);
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if (verbose > 1) fprintf(stderr, "Try %s...", fullname);
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type = get_file_type(fullname);
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if (verbose > 1) fprintf(stderr, type == expected_type ? "FOUND!\n" : "no\n");
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if (type == expected_type) return fullname;
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free( fullname );
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return 0;
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}
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static file_type guess_lib_type(enum target_platform platform, const char* dir,
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const char* library, const char *suffix, char** file)
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{
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if (platform != PLATFORM_WINDOWS && platform != PLATFORM_CYGWIN)
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{
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/* Unix shared object */
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if ((*file = try_lib_path(dir, "lib", library, ".so", file_so)))
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return file_so;
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/* Mach-O (Darwin/Mac OS X) Dynamic Library behaves mostly like .so */
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if ((*file = try_lib_path(dir, "lib", library, ".dylib", file_so)))
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return file_so;
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/* Windows DLL */
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if ((*file = try_lib_path(dir, "lib", library, ".def", file_def)))
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return file_dll;
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}
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/* static archives */
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if ((*file = try_lib_path(dir, "lib", library, suffix, file_arh)))
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return file_arh;
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return file_na;
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}
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file_type get_lib_type(enum target_platform platform, strarray* path, const char *library,
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const char *suffix, char** file)
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{
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unsigned int i;
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if (!suffix) suffix = ".a";
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for (i = 0; i < path->size; i++)
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{
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file_type type = guess_lib_type(platform, path->base[i], library, suffix, file);
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if (type != file_na) return type;
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}
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return file_na;
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}
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void spawn(const strarray* prefix, const strarray* args, int ignore_errors)
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{
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unsigned int i;
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int status;
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strarray* arr = strarray_dup(args);
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const char** argv;
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char* prog = 0;
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strarray_add(arr, NULL);
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argv = arr->base;
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if (prefix)
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{
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const char *p = strrchr(argv[0], '/');
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if (!p) p = argv[0];
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else p++;
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for (i = 0; i < prefix->size; i++)
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{
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struct stat st;
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free( prog );
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prog = strmake("%s/%s%s", prefix->base[i], p, EXEEXT);
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if (stat(prog, &st) == 0 && S_ISREG(st.st_mode) && (st.st_mode & 0111))
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{
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argv[0] = prog;
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break;
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}
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}
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}
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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)) && !ignore_errors)
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{
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if (status > 0) error("%s failed\n", argv[0]);
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else perror("winegcc");
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exit(3);
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}
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free(prog);
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strarray_free(arr);
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}
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