diff options
| -rw-r--r-- | sway/commands/output/background.c | 82 |
1 files changed, 38 insertions, 44 deletions
diff --git a/sway/commands/output/background.c b/sway/commands/output/background.c index 55bd7671..fe162162 100644 --- a/sway/commands/output/background.c +++ b/sway/commands/output/background.c @@ -3,10 +3,8 @@ #include <string.h> #include <strings.h> #include <unistd.h> -#include <errno.h> #include "sway/commands.h" #include "sway/config.h" -#include "sway/swaynag.h" #include "log.h" #include "stringop.h" @@ -42,14 +40,14 @@ struct cmd_results *output_cmd_background(int argc, char **argv) { } struct output_config *output = config->handler_context.output_config; - + char *src = NULL; if (strcasecmp(argv[1], "solid_color") == 0) { if (!validate_color(argv[0])) { return cmd_results_new(CMD_INVALID, "Colors should be of the form #RRGGBB"); } - output->background = strdup(argv[0]); - output->background_option = strdup("solid_color"); + if (!(output->background = strdup(argv[0]))) goto cleanup; + if (!(output->background_option = strdup("solid_color"))) goto cleanup; output->background_fallback = NULL; argc -= 2; argv += 2; } else { @@ -77,37 +75,25 @@ struct cmd_results *output_cmd_background(int argc, char **argv) { return cmd_results_new(CMD_INVALID, "Missing background file"); } - char *src = join_args(argv, j); + if (!(src = join_args(argv, j))) goto cleanup; if (!expand_path(&src)) { struct cmd_results *cmd_res = cmd_results_new(CMD_INVALID, "Invalid syntax (%s)", src); free(src); return cmd_res; } - if (!src) { - sway_log(SWAY_ERROR, "Failed to allocate expanded path"); - return cmd_results_new(CMD_FAILURE, "Unable to allocate resource"); - } if (config->reading && *src != '/') { // src file is inside configuration dir char *conf = strdup(config->current_config_path); - if (!conf) { - sway_log(SWAY_ERROR, "Failed to duplicate string"); - free(src); - return cmd_results_new(CMD_FAILURE, - "Unable to allocate resources"); - } + if (!conf) goto cleanup; char *conf_path = dirname(conf); char *real_src = malloc(strlen(conf_path) + strlen(src) + 2); if (!real_src) { - free(src); free(conf); - sway_log(SWAY_ERROR, "Unable to allocate memory"); - return cmd_results_new(CMD_FAILURE, - "Unable to allocate resources"); + goto cleanup; } snprintf(real_src, strlen(conf_path) + strlen(src) + 2, "%s/%s", conf_path, src); @@ -117,40 +103,48 @@ struct cmd_results *output_cmd_background(int argc, char **argv) { } bool can_access = access(src, F_OK) != -1; - if (!can_access) { - sway_log_errno(SWAY_ERROR, "Unable to access background file '%s'", - src); - config_add_swaynag_warning("Unable to access background file '%s'", - src); - struct cmd_results *result = cmd_results_new(CMD_FAILURE, - "unable to access background file '%s'", src); - free(src); - return result; - } else { - output->background = src; - output->background_option = strdup(mode); - } argc -= j + 1; argv += j + 1; + free(output->background_option); + free(output->background_fallback); + free(output->background); + output->background = output->background_option = output->background_fallback = NULL; + char *fallback = NULL; - output->background_fallback = NULL; if (argc && *argv[0] == '#') { - if (!validate_color(argv[0])) { - return cmd_results_new(CMD_INVALID, - "fallback color should be of the form #RRGGBB"); + if (validate_color(argv[0])) { + if (!(fallback = strdup(argv[0]))) goto cleanup; + output->background_fallback = fallback; + } else { + sway_log(SWAY_ERROR, "fallback '%s' should be of the form #RRGGBB", argv[0]); + config_add_swaynag_warning("fallback '%s' should be of the form #RRGGBB\n", argv[0]); } - - output->background_fallback = strdup(argv[0]); argc--; argv++; + } - if (!can_access) { - output->background = output->background_fallback; - output->background_option = strdup("solid_color"); - output->background_fallback = NULL; + if (!can_access) { + if (!fallback) { + sway_log(SWAY_ERROR, "Unable to access background file '%s' " + "and no valid fallback provided", src); + struct cmd_results *res = cmd_results_new(CMD_FAILURE, "Unable to access " + "background file '%s' and no valid fallback provided", src); + free(src); + return res; } + sway_log(SWAY_DEBUG, "Cannot access file '%s', using fallback '%s'", src, fallback); + output->background = fallback; + if (!(output->background_option = strdup("solid_color"))) goto cleanup; + output->background_fallback = NULL; + } else { + output->background = src; + if (!(output->background_option = strdup(mode))) goto cleanup; } } - config->handler_context.leftovers.argc = argc; config->handler_context.leftovers.argv = argv; return NULL; + +cleanup: + free(src); + sway_log(SWAY_ERROR, "Failed to allocate resources"); + return cmd_results_new(CMD_FAILURE, "Unable to allocate resources"); } |