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Merge pull request #2164 from ael-code/background_fixes

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output bg command: fix memleak and refactoring
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Drew DeVault 2018-06-26 06:53:18 -07:00 • committed by GitHub
commit 50ad949185
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1 changed files with 34 additions and 24 deletions
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54
sway/commands/output/background.c
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@ -62,46 +62,56 @@ struct cmd_results *output_cmd_background(int argc, char **argv) {
wordexp_t p; wordexp_t p;
char *src = join_args(argv, j); char *src = join_args(argv, j);
if (wordexp(src, &p, 0) != 0 || p.we_wordv[0] == NULL) { if (wordexp(src, &p, 0) != 0 || p.we_wordv[0] == NULL) {
return cmd_results_new(CMD_INVALID, "output", struct cmd_results *cmd_res = cmd_results_new(CMD_INVALID, "output",
"Invalid syntax (%s).", src); "Invalid syntax (%s)", src);
free(src);
wordfree(&p);
return cmd_res;
} }
free(src); free(src);
src = p.we_wordv[0]; src = strdup(p.we_wordv[0]);
if (config->reading && *src != '/') {
char *conf = strdup(config->current_config);
if (conf) {
char *conf_path = dirname(conf);
src = malloc(strlen(conf_path) + strlen(src) + 2);
if (!src) {
free(conf);
wordfree(&p); wordfree(&p);
wlr_log(L_ERROR, if (!src) {
"Unable to allocate resource: Not enough memory"); wlr_log(L_ERROR, "Failed to duplicate string");
return cmd_results_new(CMD_FAILURE, "output",
"Unable to allocate resource");
}
if (config->reading && *src != '/') {
// src file is inside configuration dir
char *conf = strdup(config->current_config);
if(!conf) {
wlr_log(L_ERROR, "Failed to duplicate string");
return cmd_results_new(CMD_FAILURE, "output", return cmd_results_new(CMD_FAILURE, "output",
"Unable to allocate resources"); "Unable to allocate resources");
} }
sprintf(src, "%s/%s", conf_path, p.we_wordv[0]);
char *conf_path = dirname(conf);
char *rel_path = src;
src = malloc(strlen(conf_path) + strlen(src) + 2);
if (!src) {
free(rel_path);
free(conf); free(conf);
} else { wlr_log(L_ERROR, "Unable to allocate memory");
wlr_log(L_ERROR, "Unable to allocate background source"); return cmd_results_new(CMD_FAILURE, "output",
"Unable to allocate resources");
} }
sprintf(src, "%s/%s", conf_path, rel_path);
free(rel_path);
free(conf);
} }
if (access(src, F_OK) == -1) { if (access(src, F_OK) == -1) {
struct cmd_results *cmd_res = cmd_results_new(CMD_FAILURE, "output", struct cmd_results *cmd_res = cmd_results_new(CMD_FAILURE, "output",
"Unable to access background file '%s': %s", src, strerror(errno)); "Unable to access background file '%s': %s", src, strerror(errno));
free(src); free(src);
wordfree(&p);
return cmd_res; return cmd_res;
} }
output->background = strdup(src); output->background = src;
output->background_option = strdup(mode); output->background_option = strdup(mode);
if (src != p.we_wordv[0]) {
free(src);
}
wordfree(&p);
argc -= j + 1; argv += j + 1; argc -= j + 1; argv += j + 1;
} }