046625231a
For the frequent idiom of: free(ptr); ptr = NULL; Make it expect a pointer to the pointer being freed, so that it becomes clear at first sight that the variable being freed is being modified. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-pfw02ezuab37kha18wlut7ir@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
#include "../util.h"
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#include "../../util/debug.h"
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#include "gtk.h"
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#include <string.h>
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struct perf_gtk_context *pgctx;
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struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window)
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{
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struct perf_gtk_context *ctx;
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ctx = malloc(sizeof(*pgctx));
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if (ctx)
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ctx->main_window = window;
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return ctx;
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}
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int perf_gtk__deactivate_context(struct perf_gtk_context **ctx)
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{
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if (!perf_gtk__is_active_context(*ctx))
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return -1;
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zfree(ctx);
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return 0;
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}
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static int perf_gtk__error(const char *format, va_list args)
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{
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char *msg;
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GtkWidget *dialog;
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if (!perf_gtk__is_active_context(pgctx) ||
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vasprintf(&msg, format, args) < 0) {
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fprintf(stderr, "Error:\n");
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vfprintf(stderr, format, args);
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fprintf(stderr, "\n");
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return -1;
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}
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dialog = gtk_message_dialog_new_with_markup(GTK_WINDOW(pgctx->main_window),
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_ERROR,
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GTK_BUTTONS_CLOSE,
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"<b>Error</b>\n\n%s", msg);
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gtk_dialog_run(GTK_DIALOG(dialog));
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gtk_widget_destroy(dialog);
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free(msg);
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return 0;
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}
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#ifdef HAVE_GTK_INFO_BAR_SUPPORT
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static int perf_gtk__warning_info_bar(const char *format, va_list args)
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{
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char *msg;
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if (!perf_gtk__is_active_context(pgctx) ||
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vasprintf(&msg, format, args) < 0) {
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fprintf(stderr, "Warning:\n");
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vfprintf(stderr, format, args);
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fprintf(stderr, "\n");
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return -1;
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}
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gtk_label_set_text(GTK_LABEL(pgctx->message_label), msg);
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gtk_info_bar_set_message_type(GTK_INFO_BAR(pgctx->info_bar),
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GTK_MESSAGE_WARNING);
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gtk_widget_show(pgctx->info_bar);
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free(msg);
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return 0;
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}
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#else
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static int perf_gtk__warning_statusbar(const char *format, va_list args)
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{
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char *msg, *p;
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if (!perf_gtk__is_active_context(pgctx) ||
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vasprintf(&msg, format, args) < 0) {
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fprintf(stderr, "Warning:\n");
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vfprintf(stderr, format, args);
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fprintf(stderr, "\n");
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return -1;
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}
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gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar),
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pgctx->statbar_ctx_id);
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/* Only first line can be displayed */
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p = strchr(msg, '\n');
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if (p)
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*p = '\0';
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gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar),
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pgctx->statbar_ctx_id, msg);
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free(msg);
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return 0;
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}
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#endif
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struct perf_error_ops perf_gtk_eops = {
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.error = perf_gtk__error,
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#ifdef HAVE_GTK_INFO_BAR_SUPPORT
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.warning = perf_gtk__warning_info_bar,
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#else
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.warning = perf_gtk__warning_statusbar,
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#endif
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};
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