From fc4fba85135f7d758fd3019917a0490791033933 Mon Sep 17 00:00:00 2001 From: Marco Peereboom Date: Mon, 29 Oct 2012 14:12:01 -0500 Subject: [PATCH] add first stab at startup exceptions --- spectrwm.c | 116 +++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 82 insertions(+), 34 deletions(-) diff --git a/spectrwm.c b/spectrwm.c index c587a2a..1522296 100644 --- a/spectrwm.c +++ b/spectrwm.c @@ -386,6 +386,8 @@ int bar_font_legacy = 1; char *bar_fonts; XftColor bar_font_color; struct passwd *pwd; +char *startup_exception; +unsigned int nr_exceptions = 0; /* layout manager data */ struct swm_geometry { @@ -1053,6 +1055,8 @@ pid_t window_get_pid(xcb_window_t); void wkill(struct swm_region *, union arg *); void workaround(void); void xft_init(struct swm_region *); +void _add_startup_exception(const char *, va_list); +void add_startup_exception(const char *, ...); RB_PROTOTYPE(key_tree, key, entry, key_cmp); RB_GENERATE(key_tree, key, entry, key_cmp); @@ -2238,8 +2242,15 @@ bar_draw(void) continue; } - bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew); - bar_replace(fmtnew, fmtrep, r, sizeof fmtrep); + if (startup_exception) + snprintf(fmtrep, sizeof fmtrep, "total " + "exceptions: %d, first exception: %s", + nr_exceptions, + startup_exception); + else { + bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew); + bar_replace(fmtnew, fmtrep, r, sizeof fmtrep); + } if (bar_font_legacy) bar_print_legacy(r, fmtrep); else @@ -4712,7 +4723,7 @@ get_win_name(xcb_window_t win) free(r); /* Use WM_NAME instead; no UTF-8. */ c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME, - XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX); + XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX); r = xcb_get_property_reply(conn, c, NULL); if (!r) @@ -4724,7 +4735,7 @@ get_win_name(xcb_window_t win) } if (r->length > 0) name = strndup(xcb_get_property_value(r), - xcb_get_property_value_length(r)); + xcb_get_property_value_length(r)); free(r); } @@ -6052,6 +6063,10 @@ setup_spawn(void) " -nf $bar_font_color" " -sb $bar_border" " -sf $bar_color", 0); + + /* only test dmenu for now, really should expand this */ + if (system("dmenu -v") != 0) + add_startup_exception("you must install dmenu"); } /* key bindings */ @@ -7173,11 +7188,36 @@ struct config_option configopt[] = { { "workspace_limit", setconfvalue, SWM_S_WORKSPACE_LIMIT }, }; +void +_add_startup_exception(const char *fmt, va_list ap) +{ + if (vasprintf(&startup_exception, fmt, ap) == -1) + warn("%s: asprintf", __func__); +} + +void +add_startup_exception(const char *fmt, ...) +{ + va_list ap; + + nr_exceptions++; + + if (startup_exception) + return; + + /* force bar to be enabled due to exception */ + bar_enabled = 1; + + va_start(ap, fmt); + _add_startup_exception(fmt, ap); + va_end(ap); +} + int conf_load(const char *filename, int keymapping) { FILE *config; - char *line, *cp, *optsub, *optval; + char *line = NULL, *cp, *optsub, *optval; size_t linelen, lineno = 0; int wordlen, i, optidx; struct config_option *opt = NULL; @@ -7194,6 +7234,9 @@ conf_load(const char *filename, int keymapping) } while (!feof(config)) { + if (line) + free(line); + if ((line = fparseln(config, &linelen, &lineno, NULL, 0)) == NULL) { if (ferror(config)) @@ -7205,15 +7248,14 @@ conf_load(const char *filename, int keymapping) cp += strspn(cp, " \t\n"); /* eat whitespace */ if (cp[0] == '\0') { /* empty line */ - free(line); continue; } /* get config option */ wordlen = strcspn(cp, "=[ \t\n"); if (wordlen == 0) { - warnx("%s: line %zd: no option found", + add_startup_exception("%s: line %zd: no option found", filename, lineno); - goto out; + continue; } optidx = -1; for (i = 0; i < LENGTH(configopt); i++) { @@ -7225,17 +7267,20 @@ conf_load(const char *filename, int keymapping) } } if (optidx == -1) { - warnx("%s: line %zd: unknown option %.*s", - filename, lineno, wordlen, cp); - goto out; + add_startup_exception("%s: line %zd: unknown option " + "%.*s", filename, lineno, wordlen, cp); + continue; } if (keymapping && opt && strcmp(opt->optname, "bind")) { - warnx("%s: line %zd: invalid option %.*s", - filename, lineno, wordlen, cp); - goto out; + add_startup_exception("%s: line %zd: invalid option " + "%.*s", filename, lineno, wordlen, cp); + continue; } cp += wordlen; cp += strspn(cp, " \t\n"); /* eat whitespace */ + + /* from here on out we call goto invalid to continue */ + /* get [selector] if any */ optsub = NULL; if (*cp == '[') { @@ -7243,17 +7288,17 @@ conf_load(const char *filename, int keymapping) wordlen = strcspn(cp, "]"); if (*cp != ']') { if (wordlen == 0) { - warnx("%s: line %zd: syntax error", - filename, lineno); - goto out; + add_startup_exception("%s: line %zd: " + "syntax error", filename, lineno); + goto invalid; } if (asprintf(&optsub, "%.*s", wordlen, cp) == -1) { - warnx("%s: line %zd: unable to allocate" - "memory for selector", filename, - lineno); - goto out; + add_startup_exception("%s: line %zd: " + "unable to allocatememory for " + "selector", filename, lineno); + goto invalid; } } cp += wordlen; @@ -7264,25 +7309,28 @@ conf_load(const char *filename, int keymapping) optval = strdup(cp); /* call function to deal with it all */ if (configopt[optidx].func(optsub, optval, - configopt[optidx].funcflags) != 0) - errx(1, "%s: line %zd: invalid data for %s", - filename, lineno, configopt[optidx].optname); - free(optval); - free(optsub); - free(line); + configopt[optidx].funcflags) != 0) { + add_startup_exception("%s: line %zd: invalid data for " + "%s", filename, lineno, configopt[optidx].optname); + goto invalid; + } +invalid: + if (optval) { + free(optval); + optval = NULL; + } + if (optsub) { + free(optsub); + optsub = NULL; + } } + if (line) + free(line); fclose(config); DNPRINTF(SWM_D_CONF, "conf_load: end\n"); return (0); - -out: - free(line); - fclose(config); - DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n"); - - return (1); } void -- 2.39.2