diff options
Diffstat (limited to 'hw/xfree86/os-support/shared/libc_wrapper.c')
| -rw-r--r-- | hw/xfree86/os-support/shared/libc_wrapper.c | 2123 |
1 files changed, 0 insertions, 2123 deletions
diff --git a/hw/xfree86/os-support/shared/libc_wrapper.c b/hw/xfree86/os-support/shared/libc_wrapper.c deleted file mode 100644 index 959424110..000000000 --- a/hw/xfree86/os-support/shared/libc_wrapper.c +++ /dev/null @@ -1,2123 +0,0 @@ -/* - * Copyright 1997-2003 by The XFree86 Project, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the names of Orest Zborowski and David Wexelblat - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Orest Zborowski - * and David Wexelblat make no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * THE XFREE86 PROJECT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID WEXELBLAT BE LIABLE - * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#if defined(linux) && !defined(__GLIBC__) -#undef __STRICT_ANSI__ -#endif -#include <X11/X.h> -#include <X11/Xmd.h> -#include <X11/Xos.h> -#include <sys/types.h> -#include <sys/stat.h> -#if defined(__bsdi__) -#undef _POSIX_SOURCE -#undef _ANSI_SOURCE -#endif -#include <sys/time.h> -#include <math.h> -#ifdef sun -#include <ieeefp.h> -#endif -#include <stdarg.h> -#include <fcntl.h> -#include <X11/Xfuncproto.h> -#include "os.h" -#include <ctype.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <stdio.h> -#include <sys/ioctl.h> -#ifdef HAS_SVR3_MMAPDRV -#define NO_MMAP -#ifdef SELF_CONTAINED_WRAPPER -#include <sys/at_ansi.h> -#include <sys/kd.h> -#include <sys/sysmacros.h> -#if !defined(_NEED_SYSI86) -# include <sys/immu.h> -# include <sys/region.h> -#endif -#include <sys/mmap.h> -struct kd_memloc MapDSC; -int mmapFd = -2; -#else -extern struct kd_memloc MapDSC; -extern int mmapFd; -#endif -#endif -#ifndef NO_MMAP -#include <sys/mman.h> -#ifndef MAP_FAILED -#define MAP_FAILED ((caddr_t)-1) -#endif -#endif -#if !defined(ISC) -#include <stdlib.h> -#endif - -#define NEED_XF86_TYPES 1 -#define NEED_XF86_PROTOTYPES 1 -#define DONT_DEFINE_WRAPPERS -#include "xf86_ansic.h" - -#ifndef SELF_CONTAINED_WRAPPER -#include "xf86.h" -#include "xf86Priv.h" -#define NO_OSLIB_PROTOTYPES -#define XF86_OS_PRIVS -#define HAVE_WRAPPER_DECLS -#include "xf86_OSlib.h" -#else -void xf86WrapperInit(void); -#endif - - -#ifndef X_NOT_POSIX -#include <dirent.h> -#else -#ifdef SYSV -#include <dirent.h> -#else -#ifdef USG -#include <dirent.h> -#else -#include <sys/dir.h> -#ifndef dirent -#define dirent direct -#endif -#endif -#endif -#endif -typedef struct dirent DIRENTRY; - -#ifdef ISC202 -#include <sys/types.h> -#define WIFEXITED(a) ((a & 0x00ff) == 0) /* LSB will be 0 */ -#define WEXITSTATUS(a) ((a & 0xff00) >> 8) -#define WIFSIGNALED(a) ((a & 0xff00) == 0) /* MSB will be 0 */ -#define WTERMSIG(a) (a & 0x00ff) -#else -#if defined(ISC) && !defined(_POSIX_SOURCE) -#define _POSIX_SOURCE -#include <sys/types.h> -#include <sys/wait.h> -#undef _POSIX_SOURCE -#else -#if (defined(ISC) && defined(_POSIX_SOURCE)) || defined(Lynx) || (defined (__alpha__) && defined(linux)) -#include <sys/types.h> -#endif -#include <sys/wait.h> -#endif -#endif -#ifdef Lynx -#if !defined(S_IFIFO) && defined(S_IFFIFO) -#define S_IFIFO S_IFFIFO -#endif -#endif - -/* For xf86getpagesize() */ -#if defined(linux) -#define HAS_SC_PAGESIZE -#define HAS_GETPAGESIZE -#elif defined(CSRG_BASED) -#define HAS_GETPAGESIZE -#elif defined(DGUX) -#define HAS_GETPAGESIZE -#elif defined(sun) && !defined(SVR4) -#define HAS_GETPAGESIZE -#endif -#ifdef XNO_SYSCONF -#undef _SC_PAGESIZE -#endif -#ifdef HAVE_SYSV_IPC -#include <sys/ipc.h> -#include <sys/shm.h> -#endif -#include <setjmp.h> - -#if defined(setjmp) && defined(__GNU_LIBRARY__) && \ - (!defined(__GLIBC__) || (__GLIBC__ < 2) || \ - ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 3))) -#define HAS_GLIBC_SIGSETJMP 1 -#endif - -#if 0 -#define SETBUF_RETURNS_INT -#endif - -_X_EXPORT double xf86HUGE_VAL; - -#ifndef SELF_CONTAINED_WRAPPERS -extern void xf86DisableIO(void); -#endif - -/* - * This file contains the XFree86 wrappers for libc functions that can be - * called by loadable modules - */ - -_X_EXPORT double -xf86hypot(double x, double y) -{ - return(hypot(x,y)); -} - -_X_EXPORT void -xf86qsort(void *base, xf86size_t nmemb, xf86size_t size, - int (*comp)(const void *, const void *)) -{ - qsort(base, nmemb, size, comp); -} - -/* string functions */ - -_X_EXPORT char* -xf86strcat(char* dest, const char* src) -{ - return(strcat(dest,src)); -} - -_X_EXPORT char* -xf86strchr(const char* s, int c) -{ - return strchr(s,c); -} - -_X_EXPORT int -xf86strcmp(const char* s1, const char* s2) -{ - return strcmp(s1,s2); -} - -/* Just like the BSD version. It assumes that tolower() is ANSI-compliant */ -_X_EXPORT int -xf86strcasecmp(const char* s1, const char* s2) -{ - const unsigned char *us1 = (const unsigned char *)s1; - const unsigned char *us2 = (const unsigned char *)s2; - - while (tolower(*us1) == tolower(*us2++)) - if (*us1++ == '\0') - return 0; - - return tolower(*us1) - tolower(*--us2); -} - -_X_EXPORT char* -xf86strcpy(char* dest, const char* src) -{ - return strcpy(dest,src); -} - -_X_EXPORT xf86size_t -xf86strcspn(const char* s1, const char* s2) -{ - return (xf86size_t)strcspn(s1,s2); -} - -_X_EXPORT xf86size_t -xf86strlen(const char* s) -{ - return (xf86size_t)strlen(s); -} - -_X_EXPORT xf86size_t -xf86strlcat(char *dest, const char *src, xf86size_t size) -{ - return(strlcat(dest, src, size)); -} - -_X_EXPORT xf86size_t -xf86strlcpy(char *dest, const char *src, xf86size_t size) -{ - return strlcpy(dest, src, size); -} - -_X_EXPORT char* -xf86strncat(char* dest, const char* src, xf86size_t n) -{ - return strncat(dest,src,(size_t)n); -} - -_X_EXPORT int -xf86strncmp(const char* s1, const char* s2, xf86size_t n) -{ - return strncmp(s1,s2,(size_t)n); -} - -/* Just like the BSD version. It assumes that tolower() is ANSI-compliant */ -_X_EXPORT int -xf86strncasecmp(const char* s1, const char* s2, xf86size_t n) -{ - if (n != 0) { - const unsigned char *us1 = (const unsigned char *)s1; - const unsigned char *us2 = (const unsigned char *)s2; - - do { - if (tolower(*us1) != tolower(*us2++)) - return tolower(*us1) - tolower(*--us2); - if (*us1++ == '\0') - break; - } while (--n != 0); - } - return 0; -} - -_X_EXPORT char* -xf86strncpy(char* dest, const char* src, xf86size_t n) -{ - return strncpy(dest,src,(size_t)n); -} - -_X_EXPORT char* -xf86strpbrk(const char* s1, const char* s2) -{ - return strpbrk(s1,s2); -} - -_X_EXPORT char* -xf86strrchr(const char* s, int c) -{ - return strrchr(s,c); -} - -_X_EXPORT xf86size_t -xf86strspn(const char* s1, const char* s2) -{ - return strspn(s1,s2); -} - -_X_EXPORT char* -xf86strstr(const char* s1, const char* s2) -{ - return strstr(s1,s2); -} - -_X_EXPORT char* -xf86strtok(char* s1, const char* s2) -{ - return strtok(s1,s2); -} - -_X_EXPORT char* -xf86strdup(const char* s) -{ - return xstrdup(s); -} - -_X_EXPORT int -xf86sprintf(char *s, const char *format, ...) -{ - int ret; - va_list args; - va_start(args, format); - ret = vsprintf(s, format, args); - va_end(args); - return ret; -} - -_X_EXPORT int -xf86snprintf(char *s, xf86size_t len, const char *format, ...) -{ - int ret; - va_list args; - va_start(args, format); - ret = vsnprintf(s, (size_t)len, format, args); - va_end(args); - return ret; -} - -_X_EXPORT void -xf86bzero(void* s, unsigned int n) -{ - memset(s, 0, n); -} - -#ifdef HAVE_VSSCANF -_X_EXPORT int -xf86sscanf(char *s, const char *format, ...) -#else -_X_EXPORT int -xf86sscanf(char *s, const char *format, char *a0, char *a1, char *a2, - char *a3, char *a4, char *a5, char *a6, char *a7, char *a8, - char *a9) /* limit of ten args */ -#endif -{ -#ifdef HAVE_VSSCANF - int ret; - va_list args; - va_start(args, format); - - ret = vsscanf(s,format,args); - va_end(args); - return ret; -#else - return sscanf(s, format, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); -#endif -} - -/* Basic I/O */ - -_X_EXPORT int xf86errno; - -/* XXX This is not complete */ - -static int -xfToOsOpenFlags(int xfflags) -{ - int flags = 0; - - /* XXX This assumes O_RDONLY is 0 */ - if (xfflags & XF86_O_WRONLY) - flags |= O_WRONLY; - if (xfflags & XF86_O_RDWR) - flags |= O_RDWR; - if (xfflags & XF86_O_CREAT) - flags |= O_CREAT; - - return flags; -} - -_X_EXPORT int -xf86open(const char *path, int flags, ...) -{ - int fd; - va_list ap; - - va_start(ap, flags); - flags = xfToOsOpenFlags(flags); - if (flags & O_CREAT) { - /* can't request a mode_t directly on systems where mode_t - is an unsigned short */ - mode_t mode = (mode_t)va_arg(ap, unsigned int); - fd = open(path, flags, mode); - } else { - fd = open(path, flags); - } - va_end(ap); - xf86errno = xf86GetErrno(); - - return fd; -} - -_X_EXPORT int -xf86close(int fd) -{ - int status = close(fd); - - xf86errno = xf86GetErrno(); - return status; -} - -_X_EXPORT long -xf86lseek(int fd, long offset, int whence) -{ - switch (whence) { - case XF86_SEEK_SET: - whence = SEEK_SET; - break; - case XF86_SEEK_CUR: - whence = SEEK_CUR; - break; - case XF86_SEEK_END: - whence = SEEK_END; - break; - } - return (long)lseek(fd, (off_t)offset, whence); -} - -_X_EXPORT int -xf86ioctl(int fd, unsigned long request, pointer argp) -{ - int status = ioctl(fd, request, argp); - - xf86errno = xf86GetErrno(); - return status; -} - -_X_EXPORT xf86ssize_t -xf86read(int fd, void *buf, xf86size_t nbytes) -{ - xf86ssize_t n = read(fd, buf, (size_t)nbytes); - - xf86errno = xf86GetErrno(); - return n; -} - -_X_EXPORT xf86ssize_t -xf86write(int fd, const void *buf, xf86size_t nbytes) -{ - xf86ssize_t n = write(fd, buf, (size_t)nbytes); - - xf86errno = xf86GetErrno(); - return n; -} - -_X_EXPORT void* -xf86mmap(void *start, xf86size_t length, int prot, - int flags, int fd, xf86size_t /* off_t */ offset) -{ -#ifndef NO_MMAP - int p=0, f=0; - void *rc; - - if (flags & XF86_MAP_FIXED) f |= MAP_FIXED; - if (flags & XF86_MAP_SHARED) f |= MAP_SHARED; - if (flags & XF86_MAP_PRIVATE) f |= MAP_PRIVATE; -#if defined(__amd64__) && defined(linux) - if (flags & XF86_MAP_32BIT) f |= MAP_32BIT; -#endif - if (prot & XF86_PROT_EXEC) p |= PROT_EXEC; - if (prot & XF86_PROT_READ) p |= PROT_READ; - if (prot & XF86_PROT_WRITE) p |= PROT_WRITE; - if (prot & XF86_PROT_NONE) p |= PROT_NONE; - - rc = mmap(start,(size_t)length,p,f,fd,(off_t)offset); - - xf86errno = xf86GetErrno(); - if (rc == MAP_FAILED) - return XF86_MAP_FAILED; - else - return rc; -#else -#ifdef HAS_SVR3_MMAPDRV - void *rc; -#ifdef SELF_CONTAINED_WRAPPER - if(mmapFd < 0) { - if ((mmapFd = open("/dev/mmap", O_RDWR)) == -1) { - ErrorF("Warning: failed to open /dev/mmap \n"); - xf86errno = xf86_ENOSYS; - return XF86_MAP_FAILED; - } - } -#endif - MapDSC.vaddr = (char *)start; - MapDSC.physaddr = (char *)offset; - MapDSC.length = length; - MapDSC.ioflg = 1; - - rc = (pointer)ioctl(mmapFd, MAP, &MapDSC); - xf86errno = xf86GetErrno(); - if (rc == NULL) - return XF86_MAP_FAILED; - else - return rc; -#else - ErrorF("Warning: mmap() is not supported on this platform\n"); - xf86errno = xf86_ENOSYS; - return XF86_MAP_FAILED; -#endif -#endif -} - -_X_EXPORT int -xf86munmap(void *start, xf86size_t length) -{ -#ifndef NO_MMAP - int rc = munmap(start,(size_t)length); - - xf86errno = xf86GetErrno(); - return rc; -#else -#ifdef HAS_SVR3_MMAPDRV - int rc = ioctl(mmapFd, UNMAPRM , start); - - xf86errno = xf86GetErrno(); - return rc; -#else - ErrorF("Warning: munmap() is not supported on this platform\n"); - xf86errno = xf86_ENOSYS; - return -1; -#endif -#endif -} - -_X_EXPORT int -xf86stat(const char *file_name, struct xf86stat *xfst) -{ - int rc; - struct stat st; - - rc = stat(file_name, &st); - xf86errno = xf86GetErrno(); - xfst->st_rdev = st.st_rdev; /* Not much is currently supported */ - return rc; -} - -_X_EXPORT int -xf86fstat(int fd, struct xf86stat *xfst) -{ - int rc; - struct stat st; - - rc = fstat(fd, &st); - xf86errno = xf86GetErrno(); - xfst->st_rdev = st.st_rdev; /* Not much is currently supported */ - return rc; -} - -static int -xfToOsAccessMode(int xfmode) -{ - switch(xfmode) { - case XF86_R_OK: return R_OK; - case XF86_W_OK: return W_OK; - case XF86_X_OK: return X_OK; - case XF86_F_OK: return F_OK; - } - return 0; -} - -_X_EXPORT int -xf86access(const char *pathname, int mode) -{ - int rc; - - mode = xfToOsAccessMode(mode); - rc = access(pathname, mode); - xf86errno = xf86GetErrno(); - return rc; -} - - - -/* limited stdio support */ - -#define XF86FILE_magic 0x58464856 /* "XFHV" */ - -typedef struct _xf86_file_ { - INT32 fileno; - INT32 magic; - FILE* filehnd; - char* fname; -} XF86FILE_priv; - -static XF86FILE_priv stdhnd[3] = { - { 0, XF86FILE_magic, NULL, "$stdinp$" }, - { 0, XF86FILE_magic, NULL, "$stdout$" }, - { 0, XF86FILE_magic, NULL, "$stderr$" } -}; - -_X_EXPORT XF86FILE* xf86stdin = (XF86FILE*)&stdhnd[0]; -_X_EXPORT XF86FILE* xf86stdout = (XF86FILE*)&stdhnd[1]; -_X_EXPORT XF86FILE* xf86stderr = (XF86FILE*)&stdhnd[2]; - -void -xf86WrapperInit() -{ - if (stdhnd[0].filehnd == NULL) - stdhnd[0].filehnd = stdin; - if (stdhnd[1].filehnd == NULL) - stdhnd[1].filehnd = stdout; - if (stdhnd[2].filehnd == NULL) - stdhnd[2].filehnd = stderr; - xf86HUGE_VAL = HUGE_VAL; -} - -_X_EXPORT XF86FILE* -xf86fopen(const char* fn, const char* mode) -{ - XF86FILE_priv* fp; - FILE *f = fopen(fn,mode); - xf86errno = xf86GetErrno(); - if (!f) return 0; - - fp = xalloc(sizeof(XF86FILE_priv)); - fp->magic = XF86FILE_magic; - fp->filehnd = f; - fp->fileno = fileno(f); - fp->fname = xf86strdup(fn); -#ifdef DEBUG - ErrorF("xf86fopen(%s,%s) yields FILE %p XF86FILE %p\n", - fn,mode,f,fp); -#endif - return (XF86FILE*)fp; -} - -static void _xf86checkhndl(XF86FILE_priv* f,const char *func) -{ - if (!f || f->magic != XF86FILE_magic || - !f->filehnd || !f->fname) { - FatalError("libc_wrapper error: passed invalid FILE handle to %s", - func); - exit(42); - } -} - -_X_EXPORT int -xf86fclose(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - int ret; - - _xf86checkhndl(fp,"xf86fclose"); - - /* somewhat bad check */ - if (fp->fileno < 3 && fp->fname[0]=='$') { - /* assume this is stdin/out/err, don't dispose */ - ret = fclose(fp->filehnd); - } else { - ret = fclose(fp->filehnd); - fp->magic = 0; /* invalidate */ - xfree(fp->fname); - xfree(fp); - } - return ret ? -1 : 0; -} - -_X_EXPORT int -xf86printf(const char *format, ...) -{ - int ret; - va_list args; - va_start(args, format); - - ret = printf(format,args); - va_end(args); - return ret; -} - -_X_EXPORT int -xf86fprintf(XF86FILE* f, const char *format, ...) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - int ret; - va_list args; - va_start(args, format); - -#ifdef DEBUG - ErrorF("xf86fprintf for XF86FILE %p\n", fp); -#endif - _xf86checkhndl(fp,"xf86fprintf"); - - ret = vfprintf(fp->filehnd,format,args); - va_end(args); - return ret; -} - -_X_EXPORT int -xf86vfprintf(XF86FILE* f, const char *format, va_list ap) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - -#ifdef DEBUG - ErrorF("xf86vfprintf for XF86FILE %p\n", fp); -#endif - _xf86checkhndl(fp,"xf86vfprintf"); - - return vfprintf(fp->filehnd,format,ap); -} - -_X_EXPORT int -xf86vsprintf(char *s, const char *format, va_list ap) -{ - return vsprintf(s, format, ap); -} - -_X_EXPORT int -xf86vsnprintf(char *s, xf86size_t len, const char *format, va_list ap) -{ - return vsnprintf(s, (size_t)len, format, ap); -} - -#ifdef HAVE_VFSCANF -_X_EXPORT int -xf86fscanf(XF86FILE* f, const char *format, ...) -#else -_X_EXPORT int -xf86fscanf(XF86FILE* f, const char *format, char *a0, char *a1, char *a2, - char *a3, char *a4, char *a5, char *a6, char *a7, char *a8, - char *a9) /* limit of ten args */ -#endif -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - -#ifdef HAVE_VFSCANF - int ret; - va_list args; - va_start(args, format); - - _xf86checkhndl(fp,"xf86fscanf"); - - ret = vfscanf(fp->filehnd,format,args); - va_end(args); - return ret; -#else - _xf86checkhndl(fp,"xf86fscanf"); - return fscanf(fp->filehnd, format, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); -#endif -} - -_X_EXPORT char * -xf86fgets(char *buf, INT32 n, XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fgets"); - return fgets(buf,(int)n,fp->filehnd); -} - -_X_EXPORT int -xf86fputs(const char *buf, XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fputs"); - return fputs(buf,fp->filehnd); -} - -_X_EXPORT int -xf86getc(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86getc"); - return getc(fp->filehnd); -} - -_X_EXPORT int -xf86fgetc(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fgetc"); - return fgetc(fp->filehnd); -} - -_X_EXPORT int -xf86fputc(int c,XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fputc"); - return fputc(c,fp->filehnd); -} - -_X_EXPORT int -xf86fflush(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fflush"); - return fflush(fp->filehnd); -} - -_X_EXPORT xf86size_t -xf86fread(void* buf, xf86size_t sz, xf86size_t cnt, XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - -#ifdef DEBUG - ErrorF("xf86fread for XF86FILE %p\n", fp); -#endif - _xf86checkhndl(fp,"xf86fread"); - return fread(buf,(size_t)sz,(size_t)cnt,fp->filehnd); -} - -_X_EXPORT xf86size_t -xf86fwrite(const void* buf, xf86size_t sz, xf86size_t cnt, XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fwrite"); - return fwrite(buf,(size_t)sz,(size_t)cnt,fp->filehnd); -} - -_X_EXPORT int -xf86fseek(XF86FILE* f, long offset, int whence) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fseek"); - switch (whence) { - case XF86_SEEK_SET: - whence = SEEK_SET; - break; - case XF86_SEEK_CUR: - whence = SEEK_CUR; - break; - case XF86_SEEK_END: - whence = SEEK_END; - break; - } - return fseek(fp->filehnd,offset,whence); -} - -_X_EXPORT long -xf86ftell(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86ftell"); - return ftell(fp->filehnd); -} - -#define mapnum(e) case (xf86_##e): err = e; break; - -_X_EXPORT char* -xf86strerror(int n) -{ - int err; - - switch (n) - { - case 0: err = 0; break; - mapnum (EACCES); - mapnum (EAGAIN); - mapnum (EBADF); - mapnum (EEXIST); - mapnum (EFAULT); - mapnum (EINTR); - mapnum (EINVAL); - mapnum (EISDIR); - mapnum (ELOOP); /* not POSIX 1 */ - mapnum (EMFILE); - mapnum (ENAMETOOLONG); - mapnum (ENFILE); - mapnum (ENOENT); - mapnum (ENOMEM); - mapnum (ENOSPC); - mapnum (ENOTDIR); - mapnum (EPIPE); - mapnum (EROFS); - mapnum (ETXTBSY); /* not POSIX 1 */ - mapnum (ENOTTY); -#ifdef ENOSYS - mapnum (ENOSYS); -#endif - mapnum (EBUSY); - mapnum (ENODEV); - mapnum (EIO); -#ifdef ESRCH - mapnum (ESRCH); -#endif -#ifdef ENXIO - mapnum (ENXIO); -#endif -#ifdef E2BIG - mapnum (E2BIG); -#endif -#ifdef ENOEXEC - mapnum (ENOEXEC); -#endif -#ifdef ECHILD - mapnum (ECHILD); -#endif -#ifdef ENOTBLK - mapnum (ENOTBLK); -#endif -#ifdef EXDEV - mapnum (EXDEV); -#endif -#ifdef EFBIG - mapnum (EFBIG); -#endif -#ifdef ESPIPE - mapnum (ESPIPE); -#endif -#ifdef EMLINK - mapnum (EMLINK); -#endif -#ifdef EDOM - mapnum (EDOM); -#endif -#ifdef ERANGE - mapnum (ERANGE); -#endif - - default: - err = 999; - } - return strerror(err); -} - -#undef mapnum - - -/* required for portable fgetpos/fsetpos, - * use as - * XF86fpos_t* pos = xalloc(xf86fpossize()); - */ -_X_EXPORT long -xf86fpossize() -{ - return sizeof(fpos_t); -} - -_X_EXPORT int -xf86fgetpos(XF86FILE* f,XF86fpos_t* pos) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - fpos_t *ppos = (fpos_t*)pos; - - _xf86checkhndl(fp,"xf86fgetpos"); -#ifndef ISC - return fgetpos(fp->filehnd,ppos); -#else - *ppos = ftell(fp->filehnd); - if (*ppos < 0L) - return(-1); - return(0); -#endif -} - -_X_EXPORT int -xf86fsetpos(XF86FILE* f,const XF86fpos_t* pos) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - fpos_t *ppos = (fpos_t*)pos; - - /* XXX need to handle xf86errno here */ - _xf86checkhndl(fp,"xf86fsetpos"); -#ifndef ISC - return fsetpos(fp->filehnd,ppos); -#else - if (ppos == NULL) - { - errno = EINVAL; - return EOF; - } - return fseek(fp->filehnd, *ppos, SEEK_SET); -#endif -} - -_X_EXPORT void -xf86perror(const char *s) -{ - perror(s); -} - -_X_EXPORT int -xf86remove(const char *s) -{ -#ifdef _POSIX_SOURCE - return remove(s); -#else - return unlink(s); -#endif -} - -_X_EXPORT int -xf86rename(const char *old, const char *new) -{ -#ifdef _POSIX_SOURCE - return rename(old,new); -#else - int ret = link(old,new); - if (!ret) { - ret = unlink(old); - if (ret) unlink(new); - } else - ret = unlink(new); - return ret; -#endif -} - -_X_EXPORT void -xf86rewind(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fsetpos"); - rewind(fp->filehnd); -} - -_X_EXPORT void -xf86clearerr(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86clearerr"); - clearerr(fp->filehnd); -} - -_X_EXPORT int -xf86feof(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86feof"); - return feof(fp->filehnd); -} - -_X_EXPORT int -xf86ferror(XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86ferror"); - return ferror(fp->filehnd); -} - -_X_EXPORT XF86FILE* -xf86freopen(const char* fname,const char* mode,XF86FILE* fold) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)fold; - FILE *fnew; - - _xf86checkhndl(fp,"xf86freopen"); - fnew = freopen(fname,mode,fp->filehnd); - xf86errno = xf86GetErrno(); - if (!fnew) { - xf86fclose(fold); /* discard old XF86FILE structure */ - return 0; - } - /* recycle the old XF86FILE structure */ - fp->magic = XF86FILE_magic; - fp->filehnd = fnew; - fp->fileno = fileno(fnew); - fp->fname = xf86strdup(fname); -#ifdef DEBUG - ErrorF("xf86freopen(%s,%s,%p) yields FILE %p XF86FILE %p\n", - fname,mode,fold,fnew,fp); -#endif - return (XF86FILE*)fp; -} - -_X_EXPORT int -xf86setbuf(XF86FILE* f, char *buf) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86fsetbuf"); -#ifdef SETBUF_RETURNS_INT - return setbuf(fp->filehnd, buf); -#else - setbuf(fp->filehnd, buf); - return 0; -#endif -} - -_X_EXPORT int -xf86setvbuf(XF86FILE* f, char *buf, int mode, xf86size_t size) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - int vbufmode; - - _xf86checkhndl(fp,"xf86fsetvbuf"); - - switch (mode) { - case XF86_IONBF: - vbufmode = _IONBF; - break; - case XF86_IOLBF: - vbufmode = _IOFBF; - break; - case XF86_IOFBF: - vbufmode = _IOLBF; - break; - default: - FatalError("libc_wrapper error: mode in setvbuf incorrect"); - exit(42); - } - - return setvbuf(fp->filehnd,buf,vbufmode,(size_t)size); -} - -_X_EXPORT XF86FILE* -xf86tmpfile(void) -{ -#ifdef NEED_TMPFILE - return xf86fopen(tmpnam((char*)0),"w+"); -#else - XF86FILE_priv* fp; - FILE *f = tmpfile(); - xf86errno = xf86GetErrno(); - if (!f) return 0; - - fp = xalloc(sizeof(XF86FILE_priv)); - fp->magic = XF86FILE_magic; - fp->filehnd = f; - fp->fileno = fileno(f); - fp->fname = xf86strdup("*tmpfile*"); /* so that it can be xfree()'d */ -#ifdef DEBUG - ErrorF("xf86tmpfile() yields FILE %p XF86FILE %p\n",f,fp); -#endif - return (XF86FILE*)fp; -} -#endif /* HAS_TMPFILE */ - - -_X_EXPORT int -xf86ungetc(int c,XF86FILE* f) -{ - XF86FILE_priv* fp = (XF86FILE_priv*)f; - - _xf86checkhndl(fp,"xf86ungetc"); - return ungetc(c,fp->filehnd); -} - -/* Misc functions. Some are ANSI C, some are not. */ - -_X_EXPORT void -xf86usleep(usec) - unsigned long usec; -{ -#if (defined(SYSV) || defined(SVR4)) && !defined(sun) - syscall(3112, (usec) / 1000 + 1); -#else - usleep(usec); -#endif -} - -_X_EXPORT void -xf86getsecs(long * secs, long * usecs) -{ - struct timeval tv; - - X_GETTIMEOFDAY(&tv); - if (secs) - *secs = tv.tv_sec; - if (usecs) - *usecs= tv.tv_usec; - - return; -} - -_X_EXPORT int -xf86ffs(int mask) -{ - int n; - if (mask == 0) return 0; - for (n = 1; (mask & 1)==0; n++) - mask >>= 1; - return n; -} - -_X_EXPORT char * -xf86getenv(const char * a) -{ - /* Only allow this when the real and effective uids are the same */ - if (getuid() != geteuid()) - return NULL; - else - return(getenv(a)); -} - -_X_EXPORT void * -xf86bsearch(const void *key, const void *base, xf86size_t nmemb, - xf86size_t size, int (*compar)(const void *, const void *)) -{ - return bsearch(key, base, (size_t)nmemb, (size_t)size, compar); -} - -_X_EXPORT int -xf86execl(const char *pathname, const char *arg, ...) -{ - int i; - pid_t pid; - int exit_status; - char *arglist[5]; - va_list args; - va_start(args, arg); - arglist[0] = (char*)&args; - i = 1; - while (i < 5 && (arglist[i++] = va_arg(args, char *)) != NULL) - ; - va_end(args); - - if ((pid = fork()) < 0) { - ErrorF("Fork failed (%s)\n", strerror(errno)); - return -1; - } else if (pid == 0) { /* child */ - /* - * Make sure that the child doesn't inherit any I/O permissions it - * shouldn't have. It's better to put constraints on the development - * of a clock program than to give I/O permissions to a bogus program - * in someone's XF86Config file - */ -#ifndef SELF_CONTAINED_WRAPPER - xf86DisableIO(); -#endif - if (setuid(getuid()) == -1) { - ErrorF("xf86Execl: setuid() failed: %s\n", strerror(errno)); - exit(255); - } -#if !defined(SELF_CONTAINED_WRAPPER) - /* set stdin, stdout to the consoleFD, and leave stderr alone */ - for (i = 0; i < 2; i++) - { - if (xf86Info.consoleFd != i) - { - close(i); - dup(xf86Info.consoleFd); - } - } -#endif - - execv(pathname, arglist); - ErrorF("Exec failed for command \"%s\" (%s)\n", - pathname, strerror(errno)); - exit(255); - } - - /* parent */ - wait(&exit_status); - if (WIFEXITED(exit_status)) - { - switch (WEXITSTATUS(exit_status)) - { - case 0: /* OK */ - return 0; - case 255: /* exec() failed */ - return(255); - default: /* bad exit status */ - ErrorF("Program \"%s\" had bad exit status %d\n", - pathname, WEXITSTATUS(exit_status)); - return(WEXITSTATUS(exit_status)); - } - } - else if (WIFSIGNALED(exit_status)) - { - ErrorF("Program \"%s\" died on signal %d\n", - pathname, WTERMSIG(exit_status)); - return(WTERMSIG(exit_status)); - } -#ifdef WIFSTOPPED - else if (WIFSTOPPED(exit_status)) - { - ErrorF("Program \"%s\" stopped by signal %d\n", - pathname, WSTOPSIG(exit_status)); - return(WSTOPSIG(exit_status)); - } -#endif - else /* should never get to this point */ - { - ErrorF("Program \"%s\" has unknown exit condition\n", - pathname); - return(1); - } -} - -_X_EXPORT void -xf86abort(void) -{ - ErrorF("Module called abort() function\n"); - abort(); -} - -_X_EXPORT void -xf86exit(int ex) -{ - ErrorF("Module called exit() function with value=%d\n",ex); - exit(ex); -} - -/* directory handling functions */ -#define XF86DIR_magic 0x78666876 /* "xfhv" */ - -typedef struct _xf86_dir_ { - DIR *dir; - INT32 magic; - XF86DIRENT *dirent; -} XF86DIR_priv; - -static void -_xf86checkdirhndl(XF86DIR_priv* f,const char *func) -{ - if (!f || f->magic != XF86DIR_magic || !f->dir || !f->dirent) { - FatalError("libc_wrapper error: passed invalid DIR handle to %s", - func); - exit(42); - } -} - -_X_EXPORT XF86DIR * -xf86opendir(const char *name) -{ - XF86DIR_priv *dp; - DIR *dirp; - - dirp = opendir(name); - if (!dirp) - return (XF86DIR*)0; - - dp = xalloc(sizeof(XF86DIR_priv)); - dp->magic = XF86DIR_magic; /* This time I have this, Dirk! :-) */ - dp->dir = dirp; - dp->dirent = xalloc(sizeof(struct _xf86dirent)); - - return (XF86DIR*)dp; -} - -_X_EXPORT XF86DIRENT* -xf86readdir(XF86DIR* dirp) -{ - XF86DIR_priv* dp = (XF86DIR_priv*)dirp; - DIRENTRY *de; - XF86DIRENT* xde; - int sz; - - _xf86checkdirhndl(dp,"xf86readdir"); - - de = readdir(dp->dir); - if (!de) - return (XF86DIRENT*)0; - xde = dp->dirent; - sz = strlen(de->d_name); - strncpy(xde->d_name,de->d_name, sz>_XF86NAMELEN ? (_XF86NAMELEN+1) : (sz+1)); - xde->d_name[_XF86NAMELEN] = '\0'; /* be sure to have a 0 byte */ - return xde; -} - -_X_EXPORT void -xf86rewinddir(XF86DIR* dirp) -{ - XF86DIR_priv* dp = (XF86DIR_priv*)dirp; - - _xf86checkdirhndl(dp,"xf86readdir"); - rewinddir(dp->dir); -} - -_X_EXPORT int -xf86closedir(XF86DIR* dir) -{ - XF86DIR_priv* dp = (XF86DIR_priv*)dir; - int n; - - _xf86checkdirhndl(dp,"xf86readdir"); - - n = closedir(dp->dir); - dp->magic = 0; - xfree(dp->dirent); - xfree(dp); - - return n; -} - -static mode_t -xfToOsChmodMode(xf86mode_t xfmode) -{ - mode_t mode = 0; - - if (xfmode & XF86_S_ISUID) mode |= S_ISUID; - if (xfmode & XF86_S_ISGID) mode |= S_ISGID; - if (xfmode & XF86_S_ISVTX) mode |= S_ISVTX; - if (xfmode & XF86_S_IRUSR) mode |= S_IRUSR; - if (xfmode & XF86_S_IWUSR) mode |= S_IWUSR; - if (xfmode & XF86_S_IXUSR) mode |= S_IXUSR; - if (xfmode & XF86_S_IRGRP) mode |= S_IRGRP; - if (xfmode & XF86_S_IWGRP) mode |= S_IWGRP; - if (xfmode & XF86_S_IXGRP) mode |= S_IXGRP; - if (xfmode & XF86_S_IROTH) mode |= S_IROTH; - if (xfmode & XF86_S_IWOTH) mode |= S_IWOTH; - if (xfmode & XF86_S_IXOTH) mode |= S_IXOTH; - - return mode; -} - -_X_EXPORT int -xf86chmod(const char *path, xf86mode_t xfmode) -{ - mode_t mode = xfToOsChmodMode(xfmode); - int rc = chmod(path, mode); - - xf86errno = xf86GetErrno(); - return rc; -} - -_X_EXPORT int -xf86chown(const char *path, xf86uid_t owner, xf86gid_t group) -{ - int rc = chown(path, owner, group); - xf86errno = xf86GetErrno(); - return rc; -} - -_X_EXPORT xf86uid_t -xf86geteuid(void) -{ - return geteuid(); -} - -_X_EXPORT xf86gid_t -xf86getegid(void) -{ - return getegid(); -} - -_X_EXPORT int -xf86getpid(void) -{ - return getpid(); -} - -static mode_t -xfToOsMknodMode(xf86mode_t xfmode) -{ - mode_t mode = xfToOsChmodMode(xfmode); - - if (xfmode & XF86_S_IFREG) mode |= S_IFREG; - if (xfmode & XF86_S_IFCHR) mode |= S_IFCHR; - if (xfmode & XF86_S_IFBLK) mode |= S_IFBLK; - if (xfmode & XF86_S_IFIFO) mode |= S_IFIFO; - - return mode; -} - -_X_EXPORT int xf86mknod(const char *pathname, xf86mode_t xfmode, xf86dev_t dev) -{ - mode_t mode = xfToOsMknodMode(xfmode); - int rc = mknod(pathname, mode, dev); - xf86errno = xf86GetErrno(); - return rc; -} - -_X_EXPORT unsigned int xf86sleep(unsigned int seconds) -{ - return sleep(seconds); -} - -_X_EXPORT int xf86mkdir(const char *pathname, xf86mode_t xfmode) -{ - mode_t mode = xfToOsChmodMode(xfmode); - int rc = mkdir(pathname, mode); - - xf86errno = xf86GetErrno(); - return rc; -} - - -/* Several math functions */ - -_X_EXPORT int -xf86abs(int x) -{ - return abs(x); -} - -_X_EXPORT double -xf86acos(double x) -{ - return acos(x); -} - -_X_EXPORT double -xf86asin(double x) -{ - return asin(x); -} - -_X_EXPORT double -xf86atan(double x) -{ - return atan(x); -} - -_X_EXPORT double -xf86atan2(double x,double y) -{ - return atan2(x,y); -} - -_X_EXPORT double -xf86atof(const char* s) -{ - return atof(s); -} - -_X_EXPORT int -xf86atoi(const char* s) -{ - return atoi(s); -} - -_X_EXPORT long -xf86atol(const char* s) -{ - return atol(s); -} - -_X_EXPORT double -xf86ceil(double x) -{ - return ceil(x); -} - -_X_EXPORT double -xf86cos(double x) -{ - return(cos(x)); -} - -_X_EXPORT double -xf86exp(double x) -{ - return(exp(x)); -} - -_X_EXPORT double -xf86fabs(double x) -{ - return(fabs(x)); -} - -_X_EXPORT int -xf86finite(double x) -{ -#ifndef QNX4 - return(finite(x)); -#else - /* XXX Replace this with something that really works. */ - return 1; -#endif -} - -_X_EXPORT double -xf86floor(double x) -{ - return floor(x); -} - -_X_EXPORT double -xf86fmod(double x,double y) -{ - return fmod(x,y); -} - -_X_EXPORT long -xf86labs(long x) -{ - return labs(x); -} - -_X_EXPORT double -xf86ldexp(double x, int exp) -{ - return ldexp(x, exp); -} - -_X_EXPORT double -xf86log(double x) -{ - return(log(x)); -} - -_X_EXPORT double -xf86log10(double x) -{ - return(log10(x)); -} - -_X_EXPORT double -xf86modf(double x,double* y) -{ - return modf(x,y); -} - -_X_EXPORT double -xf86pow(double x, double y) -{ - return(pow(x,y)); -} - -_X_EXPORT double -xf86sin(double x) -{ - return sin(x); -} - -_X_EXPORT double -xf86sqrt(double x) -{ - return(sqrt(x)); -} - -_X_EXPORT double -xf86strtod(const char *s, char **end) -{ - return strtod(s,end); -} - -_X_EXPORT long -xf86strtol(const char *s, char **end, int radix) -{ - return strtol(s,end,radix); -} - -_X_EXPORT unsigned long -xf86strtoul(const char *s, char **end,int radix) -{ - return strtoul(s,end,radix); -} - -_X_EXPORT double -xf86tan(double x) -{ - return tan(x); -} - -/* memory functions */ -_X_EXPORT void* -xf86memchr(const void* s, int c, xf86size_t n) -{ - return memchr(s,c,(size_t)n); -} - -_X_EXPORT int -xf86memcmp(const void* s1, const void* s2, xf86size_t n) -{ - return(memcmp(s1,s2,(size_t)n)); -} - -_X_EXPORT void* -xf86memcpy(void* dest, const void* src, xf86size_t n) -{ - return(memcpy(dest,src,(size_t)n)); -} - -_X_EXPORT void* -xf86memmove(void* dest, const void* src, xf86size_t n) -{ - return(memmove(dest,src,(size_t)n)); -} - -_X_EXPORT void* -xf86memset(void* s, int c, xf86size_t n) -{ - return(memset(s,c,(size_t)n)); -} - -/* ctype functions */ - -_X_EXPORT int -xf86isalnum(int c) -{ - return isalnum(c) ? 1 : 0; -} - -_X_EXPORT int -xf86isalpha(int c) -{ - return isalpha(c) ? 1 : 0; -} - -_X_EXPORT int -xf86iscntrl(int c) -{ - return iscntrl(c) ? 1 : 0; -} - -_X_EXPORT int -xf86isdigit(int c) -{ - return isdigit(c) ? 1 : 0; -} - -_X_EXPORT int -xf86isgraph(int c) -{ - return isgraph(c) ? 1 : 0; -} - -_X_EXPORT int -xf86islower(int c) -{ - return islower(c) ? 1 : 0; -} - -_X_EXPORT int -xf86isprint(int c) -{ - return isprint(c) ? 1 : 0; -} - -_X_EXPORT int -xf86ispunct(int c) -{ - return ispunct(c) ? 1 : 0; -} - -_X_EXPORT int -xf86isspace(int c) -{ - return isspace(c) ? 1 : 0; -} - -_X_EXPORT int -xf86isupper(int c) -{ - return isupper(c) ? 1 : 0; -} - -_X_EXPORT int -xf86isxdigit(int c) -{ - return isxdigit(c) ? 1 : 0; -} - -_X_EXPORT int -xf86tolower(int c) -{ - return tolower(c); -} - -_X_EXPORT int -xf86toupper(int c) -{ - return toupper(c); -} - -/* memory allocation functions */ -_X_EXPORT void* -xf86calloc(xf86size_t sz,xf86size_t n) -{ - return xcalloc(sz, n); -} - -_X_EXPORT void -xf86free(void* p) -{ - xfree(p); -} - -_X_EXPORT double -xf86frexp(double x, int *exp) -{ - return frexp(x, exp); -} - -_X_EXPORT void* -xf86malloc(xf86size_t n) -{ - return xalloc(n); -} - -_X_EXPORT void* -xf86realloc(void* p, xf86size_t n) -{ - return xrealloc(p,n); -} - -/* - * XXX This probably doesn't belong here. - */ -_X_EXPORT int -xf86getpagesize() -{ - static int pagesize = -1; - - if (pagesize != -1) - return pagesize; - -#if defined(_SC_PAGESIZE) || defined(HAS_SC_PAGESIZE) - pagesize = sysconf(_SC_PAGESIZE); -#endif -#ifdef _SC_PAGE_SIZE - if (pagesize == -1) - pagesize = sysconf(_SC_PAGE_SIZE); -#endif -#ifdef HAS_GETPAGESIZE - if (pagesize == -1) - pagesize = getpagesize(); -#endif -#ifdef PAGE_SIZE - if (pagesize == -1) - pagesize = PAGE_SIZE; -#endif - if (pagesize == -1) - FatalError("xf86getpagesize: Cannot determine page size"); - - return pagesize; -} - - -#define mapnum(e) case (e): return (xf86_##e) - -_X_EXPORT int -xf86GetErrno () -{ - switch (errno) - { - case 0: return 0; - mapnum (EACCES); - mapnum (EAGAIN); - mapnum (EBADF); - mapnum (EEXIST); - mapnum (EFAULT); - mapnum (EINTR); - mapnum (EINVAL); - mapnum (EISDIR); - mapnum (ELOOP); /* not POSIX 1 */ - mapnum (EMFILE); - mapnum (ENAMETOOLONG); - mapnum (ENFILE); - mapnum (ENOENT); - mapnum (ENOMEM); - mapnum (ENOSPC); - mapnum (ENOTDIR); - mapnum (EPIPE); - mapnum (EROFS); - mapnum (ETXTBSY); /* not POSIX 1 */ - mapnum (ENOTTY); -#ifdef ENOSYS - mapnum (ENOSYS); -#endif - mapnum (EBUSY); - mapnum (ENODEV); - mapnum (EIO); -#ifdef ESRCH - mapnum (ESRCH); -#endif -#ifdef ENXIO - mapnum (ENXIO); -#endif -#ifdef E2BIG - mapnum (E2BIG); -#endif -#ifdef ENOEXEC - mapnum (ENOEXEC); -#endif -#ifdef ECHILD - mapnum (ECHILD); -#endif -#ifdef ENOTBLK - mapnum (ENOTBLK); -#endif -#ifdef EXDEV - mapnum (EXDEV); -#endif -#ifdef EFBIG - mapnum (EFBIG); -#endif -#ifdef ESPIPE - mapnum (ESPIPE); -#endif -#ifdef EMLINK - mapnum (EMLINK); -#endif -#ifdef EDOM - mapnum (EDOM); -#endif -#ifdef ERANGE - mapnum (ERANGE); -#endif - default: - return (xf86_UNKNOWN); - } -} - -#undef mapnum - - - -#ifdef HAVE_SYSV_IPC - -_X_EXPORT int -xf86shmget(xf86key_t key, int size, int xf86shmflg) -{ - int shmflg; - int ret; - - /* This copies the permissions (SHM_R, SHM_W for u, g, o). */ - shmflg = xf86shmflg & 0777; - - if (key == XF86IPC_PRIVATE) key = IPC_PRIVATE; - - if (xf86shmflg & XF86IPC_CREAT) shmflg |= IPC_CREAT; - if (xf86shmflg & XF86IPC_EXCL) shmflg |= IPC_EXCL; - if (xf86shmflg & XF86IPC_NOWAIT) shmflg |= IPC_NOWAIT; - ret = shmget((key_t) key, size, shmflg); - - if (ret == -1) - xf86errno = xf86GetErrno(); - - return ret; -} - -_X_EXPORT char * -xf86shmat(int id, char *addr, int xf86shmflg) -{ - int shmflg = 0; - pointer ret; - -#ifdef SHM_RDONLY - if (xf86shmflg & XF86SHM_RDONLY) shmflg |= SHM_RDONLY; -#endif -#ifdef SHM_RND - if (xf86shmflg & XF86SHM_RND) shmflg |= SHM_RND; -#endif -#ifdef SHM_REMAP - if (xf86shmflg & XF86SHM_REMAP) shmflg |= SHM_REMAP; -#endif - - ret = shmat(id,addr,shmflg); - - if (ret == (pointer) -1) - xf86errno = xf86GetErrno(); - - return ret; -} - -_X_EXPORT int -xf86shmdt(char *addr) -{ - int ret; - - ret = shmdt(addr); - - if (ret == -1) - xf86errno = xf86GetErrno(); - - return ret; -} - -/* - * for now only implement the rmid command. - */ -_X_EXPORT int -xf86shmctl(int id, int xf86cmd, pointer buf) -{ - int cmd; - int ret; - - switch (xf86cmd) { - case XF86IPC_RMID: - cmd = IPC_RMID; - break; - default: - return 0; - } - - ret = shmctl(id, cmd, buf); - - if (ret == -1) - xf86errno = xf86GetErrno(); - - return ret; -} -#else - -int -xf86shmget(xf86key_t key, int size, int xf86shmflg) -{ - xf86errno = ENOSYS; - - return -1; -} - -char * -xf86shmat(int id, char *addr, int xf86shmflg) -{ - xf86errno = ENOSYS; - - return (char *)-1; -} - -int -xf86shmctl(int id, int xf86cmd, pointer buf) -{ - xf86errno = ENOSYS; - - return -1; -} - -int -xf86shmdt(char *addr) -{ - xf86errno = ENOSYS; - - return -1; -} -#endif /* HAVE_SYSV_IPC */ - -_X_EXPORT int -xf86getjmptype() -{ -#ifdef HAS_GLIBC_SIGSETJMP - return 1; -#else - return 0; -#endif -} - -#ifdef HAS_GLIBC_SIGSETJMP - -_X_EXPORT int -xf86setjmp(xf86jmp_buf env) -{ -#if defined(__GLIBC__) && (__GLIBC__ >= 2) - return __sigsetjmp((void *)env, xf86setjmp1_arg2()); -#else - return xf86setjmp1(env, xf86setjmp1_arg2()); -#endif -} - -_X_EXPORT int -xf86setjmp0(xf86jmp_buf env) -{ - FatalError("setjmp: type 0 called instead of type %d", xf86getjmptype()); -} - -#if !defined(__GLIBC__) || (__GLIBC__ < 2) /* libc5 */ - -_X_EXPORT int -xf86setjmp1(xf86jmp_buf env, int arg2) -{ - __sigjmp_save((void *)env, arg2); - return __setjmp((void *)env); -} - -#endif - -#else /* HAS_GLIBC_SIGSETJMP */ - -int -xf86setjmp1(xf86jmp_buf env, int arg2) -{ - FatalError("setjmp: type 1 called instead of type %d", xf86getjmptype()); -} - -int -xf86setjmp0(xf86jmp_buf env) -{ - return setjmp((void *)env); -} - -#endif /* HAS_GLIBC_SIGSETJMP */ - -_X_EXPORT int -xf86setjmp1_arg2() -{ - return 1; -} - -_X_EXPORT int -xf86setjmperror(xf86jmp_buf env) -{ - FatalError("setjmp: don't know how to handle setjmp() type %d", - xf86getjmptype()); -} - -long -xf86random() -{ - return random(); -} |