diff options
Diffstat (limited to 'xserver/hw/xfree86/os-support/bsd/libusb/usage.c')
| -rw-r--r-- | xserver/hw/xfree86/os-support/bsd/libusb/usage.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/xserver/hw/xfree86/os-support/bsd/libusb/usage.c b/xserver/hw/xfree86/os-support/bsd/libusb/usage.c new file mode 100644 index 000000000..a8a5f650e --- /dev/null +++ b/xserver/hw/xfree86/os-support/bsd/libusb/usage.c @@ -0,0 +1,198 @@ +/* $NetBSD: usage.c,v 1.4 1999/07/02 15:46:53 simonb Exp $ */ + +/* + * Copyright (c) 1999 Lennart Augustsson <augustss@netbsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <ctype.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "usb.h" + +#define _PATH_HIDTABLE "/usr/share/misc/usb_hid_usages" + +struct usage_in_page { + char *name; + int usage; +}; + +static struct usage_page { + char *name; + int usage; + struct usage_in_page *page_contents; + int pagesize, pagesizemax; +} *pages; +static int npages, npagesmax; + +#ifdef DEBUG +void +dump_hid_table(void) +{ + int i, j; + + for (i = 0; i < npages; i++) { + printf("%d\t%s\n", pages[i].usage, pages[i].name); + for (j = 0; j < pages[i].pagesize; j++) { + printf("\t%d\t%s\n", pages[i].page_contents[j].usage, + pages[i].page_contents[j].name); + } + } +} +#endif + +void +hid_init(char *hidname) +{ + FILE *f; + char line[100], name[100], *p, *n; + int no; + int lineno; + struct usage_page *curpage = 0; + + if (hidname == 0) + hidname = _PATH_HIDTABLE; + + f = fopen(hidname, "r"); + if (f == NULL) + err(1, "%s", hidname); + for (lineno = 1; ; lineno++) { + if (fgets(line, sizeof line, f) == NULL) + break; + if (line[0] == '#') + continue; + for (p = line; *p && isspace(*p); p++) + ; + if (!*p) + continue; + if (sscanf(line, " * %[^\n]", name) == 1) + no = -1; + else if (sscanf(line, " 0x%x %[^\n]", &no, name) != 2 && + sscanf(line, " %d %[^\n]", &no, name) != 2) + errx(1, "file %s, line %d, syntax error\n", + hidname, lineno); + for (p = name; *p; p++) + if (isspace(*p) || *p == '.') + *p = '_'; + n = strdup(name); + if (!n) + err(1, "strdup"); + if (isspace(line[0])) { + if (!curpage) + errx(1, "file %s, line %d, syntax error\n", + hidname, lineno); + if (curpage->pagesize >= curpage->pagesizemax) { + curpage->pagesizemax += 10; + curpage->page_contents = + realloc(curpage->page_contents, + curpage->pagesizemax * + sizeof (struct usage_in_page)); + if (!curpage->page_contents) + err(1, "realloc"); + } + curpage->page_contents[curpage->pagesize].name = n; + curpage->page_contents[curpage->pagesize].usage = no; + curpage->pagesize++; + } else { + if (npages >= npagesmax) { + if (pages == 0) { + npagesmax = 5; + pages = malloc(npagesmax * + sizeof (struct usage_page)); + } else { + npagesmax += 5; + pages = realloc(pages, + npagesmax * + sizeof (struct usage_page)); + } + if (!pages) + err(1, "alloc"); + } + curpage = &pages[npages++]; + curpage->name = n; + curpage->usage = no; + curpage->pagesize = 0; + curpage->pagesizemax = 10; + curpage->page_contents = + malloc(curpage->pagesizemax * + sizeof (struct usage_in_page)); + if (!curpage->page_contents) + err(1, "malloc"); + } + } + fclose(f); +#ifdef DEBUG + dump_hid_table(); +#endif +} + +char * +hid_usage_page(int i) +{ + static char b[10]; + int k; + + if (!pages) + errx(1, "no hid table\n"); + + for (k = 0; k < npages; k++) + if (pages[k].usage == i) + return pages[k].name; + sprintf(b, "0x%02x", i); + return b; +} + +char * +hid_usage_in_page(unsigned int u) +{ + int page = HID_PAGE(u); + int i = HID_USAGE(u); + static char b[100]; + int j, k, us; + + for (k = 0; k < npages; k++) + if (pages[k].usage == page) + break; + if (k >= npages) + goto bad; + for (j = 0; j < pages[k].pagesize; j++) { + us = pages[k].page_contents[j].usage; + if (us == -1) { + sprintf(b, pages[k].page_contents[j].name, i); + return b; + } + if (us == i) + return pages[k].page_contents[j].name; + } + bad: + sprintf(b, "0x%02x", i); + return b; +} |