Dmitry V. Levin
00119f63fa
* linux/ioctlsort.c: Rename to ioctlsort.c * Makefile.am (EXTRA_DIST): Rename linux/ioctlsort.c to ioctlsort.c. [MAINTAINER_MODE] (noinst_PROGRAMS): Add ioctlsort. (ioctlsort_SOURCES): Add ioctlsort.c. (nodist_ioctlsort_SOURCES): Add ioctls.h and ioctldefs.h. (CLEANFILES): Add $(nodist_ioctlsort_SOURCES). (ioctlsort.$(OBJEXT)): Likewise. (ioctlsort): Remove.
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <asm/ioctl.h>
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#include <linux/types.h>
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#include "ioctldefs.h"
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#include <linux/atmioc.h>
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struct ioctlent {
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const char* header;
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const char* name;
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unsigned long code;
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};
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struct ioctlent ioctls[] = {
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#include "ioctls.h"
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};
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int nioctls = sizeof(ioctls) / sizeof(ioctls[0]);
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int compare(const void* a, const void* b) {
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unsigned long code1 = ((struct ioctlent *) a)->code;
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unsigned long code2 = ((struct ioctlent *) b)->code;
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const char *name1 = ((struct ioctlent *) a)->name;
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const char *name2 = ((struct ioctlent *) b)->name;
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return (code1 > code2) ? 1 : (code1 < code2) ? -1 : strcmp(name1, name2);
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}
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static int is_not_prefix(const char *s1, const char *s2) {
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size_t len = strlen(s1);
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if (len > strlen(s2))
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return 1;
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return memcmp(s1, s2, len);
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}
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int main(int argc, char** argv) {
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int i;
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/* ioctl_lookup() only looks at the NR and TYPE bits atm. */
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for (i = 0; i < nioctls; i++)
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ioctls[i].code &= (_IOC_NRMASK << _IOC_NRSHIFT) |
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(_IOC_TYPEMASK << _IOC_TYPESHIFT);
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qsort(ioctls, nioctls, sizeof(ioctls[0]), compare);
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puts("\t/* Generated by ioctlsort */");
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for (i = 0; i < nioctls; i++)
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if (i == 0 || ioctls[i-1].code != ioctls[i].code ||
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is_not_prefix(ioctls[i-1].name, ioctls[i].name))
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printf("\t{\"%s\",\t\"%s\",\t%#06lx},\n",
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ioctls[i].header, ioctls[i].name, ioctls[i].code);
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return 0;
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}
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