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exec_always: Search for executables in /usr/lib/sway

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This commit is contained in:
Nicolas Braud-Santoni 2018-05-01 16:17:10 +02:00
parent f2c209c299
commit 7709340727
1 changed files with 34 additions and 0 deletions
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34
sway/commands/exec_always.c
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@ -51,7 +51,41 @@ struct cmd_results *cmd_exec_always(int argc, char **argv) {
if ((pid = fork()) == 0) {
// Fork child process again
setsid();
if ((*child = fork()) == 0) {
// Acquire the current PATH
char *path = getenv("PATH");
const char *extra_path = ":/usr/lib/sway";
const size_t extra_size = sizeof("/usr/lib/sway") + 1;
if (!path) {
size_t n = confstr(_CS_PATH, NULL, 0);
path = malloc(n + extra_size);
if (!path) {
return cmd_results_new(CMD_FAILURE, "exec_always", "Unable to allocate PATH");
}
confstr(_CS_PATH, path, n);
} else {
size_t n = strlen(path) + 1;
char *tmp = malloc(n + extra_size);
if (!tmp) {
return cmd_results_new(CMD_FAILURE, "exec_always", "Unable to allocate PATH");
}
strncpy(tmp, path, n);
path = tmp;
}
// Append /usr/lib/sway to PATH
strcat(path, extra_path);
if (!setenv("PATH", path, 1)) {
free(path);
return cmd_results_new(CMD_FAILURE, "exec_always", "Unable to set PATH");
}
free(path);
// Execute the command
execl("/bin/sh", "/bin/sh", "-c", cmd, (void *)NULL);
// Not reached
}