/* * Copyright 1989, 1998 The Open Group Copyright 2009 Open Text Corporation 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. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. * * Author: Jim Fulton, MIT X Consortium * Author: Peter Harris, Open Text Corporation */ #include #include #include #include #include #define ATOMS_PER_BATCH 100 /* This number can be tuned higher for fewer round-trips lower for less bandwidth wasted */ static const char *ProgramName; static const char *DisplayString; static void do_name ( xcb_connection_t *c, const char *format, char *name ); static int parse_range ( char *range, long *lowp, long *highp ); static void do_range ( xcb_connection_t *c, const char *format, char *range ); static void list_atoms ( xcb_connection_t *c, const char *format, int mask, long low, long high ); static void usage(void) { fprintf (stderr, "usage: %s [-options...]\n\n%s\n", ProgramName, "where options include:\n" " -display dpy X server to which to connect\n" " -format string printf-style format to use\n" " -range [num]-[num] atom values to list\n" " -name string name of single atom to print\n"); exit (1); } int main(int argc, char *argv[]) { char *displayname = NULL; const char *format = "%lu\t%s"; int i, doit; int didit = 0; xcb_connection_t *c = NULL; ProgramName = argv[0]; for (doit = 0; doit < 2; doit++) { /* pre-parse to get display */ for (i = 1; i < argc; i++) { char *arg = argv[i]; if (arg[0] == '-') { switch (arg[1]) { case 'd': /* -display dpy */ if (++i >= argc) usage (); if (!doit) displayname = argv[i]; continue; case 'f': /* -format string */ if (++i >= argc) usage (); if (doit) format = argv[i]; continue; case 'r': /* -range num-[num] */ if (++i >= argc) usage (); if (doit) { do_range (c, format, argv[i]); didit = 1; } continue; case 'n': /* -name string */ if (++i >= argc) usage (); if (doit) { do_name (c, format, argv[i]); didit = 1; } continue; } } usage (); } if (!doit) { DisplayString = displayname; if (!DisplayString) DisplayString = getenv("DISPLAY"); if (!DisplayString) DisplayString = ""; c = xcb_connect(displayname, NULL); if (!c || xcb_connection_has_error(c)) { fprintf (stderr, "%s: unable to open display \"%s\"\n", ProgramName, DisplayString); exit (1); } } else if (!didit) /* no options, default is list all */ list_atoms(c, format, 0, 0, 0); } xcb_disconnect(c); exit (0); } static void do_name(xcb_connection_t *c, const char *format, char *name) { xcb_intern_atom_reply_t *a = xcb_intern_atom_reply(c, xcb_intern_atom_unchecked(c, 1, strlen(name), name), NULL); if (a && a->atom != XCB_NONE) { printf (format, (unsigned long) a->atom, name); putchar ('\n'); } else { fprintf (stderr, "%s: no atom named \"%s\" on server \"%s\"\n", ProgramName, name, DisplayString); } if (a) free(a); } #define RangeLow (1 << 0) #define RangeHigh (1 << 1) static int parse_range(char *range, long *lowp, long *highp) { char *dash; int mask = 0; if (!range) { /* NULL means default */ *lowp = 1; return RangeLow; } dash = strchr(range, '-'); if (!dash) dash = strchr(range, ':'); if (dash) { if (dash == range) { /* -high */ *lowp = 1; } else { /* low-[high] */ *dash = '\0'; *lowp = atoi (range); *dash = '-'; } mask |= RangeLow; dash++; if (*dash) { /* [low]-high */ *highp = atoi (dash); mask |= RangeHigh; } } else { /* number (low == high) */ *lowp = *highp = atoi (range); mask |= (RangeLow | RangeHigh); } return mask; } static void do_range(xcb_connection_t *c, const char *format, char *range) { int mask; long low, high; mask = parse_range (range, &low, &high); list_atoms (c, format, mask, low, high); } static int say_batch(xcb_connection_t *c, const char *format, xcb_get_atom_name_cookie_t *cookie, long low, long count) { xcb_generic_error_t *e; char atom_name[1024]; long i; int done = 0; for (i = 0; i < count; i++) cookie[i] = xcb_get_atom_name(c, i + low); for (i = 0; i < count; i++) { xcb_get_atom_name_reply_t *r; r = xcb_get_atom_name_reply(c, cookie[i], &e); if (r) { /* We could just use %.*s in 'format', but we want to be compatible with legacy command line usage */ snprintf(atom_name, sizeof(atom_name), "%.*s", r->name_len, xcb_get_atom_name_name(r)); printf (format, i + low, atom_name); putchar ('\n'); free(r); } if (e) { done = 1; free(e); } } return done; } static void list_atoms(xcb_connection_t *c, const char *format, int mask, long low, long high) { xcb_get_atom_name_cookie_t *cookie_jar; int done = 0; switch (mask) { case RangeHigh: low = 1; /* fall through */ case (RangeLow | RangeHigh): cookie_jar = malloc((high - low + 1) * sizeof(xcb_get_atom_name_cookie_t)); if (!cookie_jar) { fprintf(stderr, "Out of memory allocating space for %ld atom requests\n", high - low); return; } say_batch(c, format, cookie_jar, low, high - low + 1); free(cookie_jar); break; default: low = 1; /* fall through */ case RangeLow: cookie_jar = malloc(ATOMS_PER_BATCH * sizeof(xcb_get_atom_name_cookie_t)); if (!cookie_jar) { fprintf(stderr, "Out of memory allocating space for %ld atom requests\n", (long) ATOMS_PER_BATCH); return; } while (!done) { done = say_batch(c, format, cookie_jar, low, ATOMS_PER_BATCH); low += ATOMS_PER_BATCH; } free(cookie_jar); break; } return; }