diff options
| -rw-r--r-- | shell/hush.c | 37 | ||||
| -rw-r--r-- | shell/lash.c | 53 |
2 files changed, 46 insertions, 44 deletions
diff --git a/shell/hush.c b/shell/hush.c index 9362e59..0b5e2a5 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -547,7 +547,7 @@ static int builtin_export(struct child_prog *child) static int builtin_fg_bg(struct child_prog *child) { int i, jobnum; - struct pipe *pi = NULL; + struct pipe *pi; if (!interactive) return EXIT_FAILURE; @@ -555,29 +555,24 @@ static int builtin_fg_bg(struct child_prog *child) if (!child->argv[1]) { for (pi = job_list; pi; pi = pi->next) { if (pi->jobid == last_jobid) { - break; - } - } - if (!pi) { - bb_error_msg("%s: no current job", child->argv[0]); - return EXIT_FAILURE; - } - } else { - if (sscanf(child->argv[1], "%%%d", &jobnum) != 1) { - bb_error_msg("%s: bad argument '%s'", child->argv[0], child->argv[1]); - return EXIT_FAILURE; - } - for (pi = job_list; pi; pi = pi->next) { - if (pi->jobid == jobnum) { - break; + goto found; } } - if (!pi) { - bb_error_msg("%s: %d: no such job", child->argv[0], jobnum); - return EXIT_FAILURE; + bb_error_msg("%s: no current job", child->argv[0]); + return EXIT_FAILURE; + } + if (sscanf(child->argv[1], "%%%d", &jobnum) != 1) { + bb_error_msg("%s: bad argument '%s'", child->argv[0], child->argv[1]); + return EXIT_FAILURE; + } + for (pi = job_list; pi; pi = pi->next) { + if (pi->jobid == jobnum) { + goto found; } } - + bb_error_msg("%s: %d: no such job", child->argv[0], jobnum); + return EXIT_FAILURE; + found: if (*child->argv[0] == 'f') { /* Put the job into the foreground. */ tcsetpgrp(shell_terminal, pi->pgrp); @@ -589,7 +584,7 @@ static int builtin_fg_bg(struct child_prog *child) i = kill(- pi->pgrp, SIGCONT); if (i < 0) { - if (i == ESRCH) { + if (errno == ESRCH) { remove_bg_job(pi); } else { bb_perror_msg("kill (SIGCONT)"); diff --git a/shell/lash.c b/shell/lash.c index 6fe2ddc..24e48c3 100644 --- a/shell/lash.c +++ b/shell/lash.c @@ -257,35 +257,30 @@ static int builtin_exit(struct child_prog *child) static int builtin_fg_bg(struct child_prog *child) { int i, jobnum; - struct job *job = NULL; + struct job *job; /* If they gave us no args, assume they want the last backgrounded task */ if (!child->argv[1]) { for (job = child->family->job_list->head; job; job = job->next) { if (job->jobid == last_jobid) { - break; + goto found; } } - if (!job) { - bb_error_msg("%s: no current job", child->argv[0]); - return EXIT_FAILURE; - } - } else { - if (sscanf(child->argv[1], "%%%d", &jobnum) != 1) { - bb_error_msg(bb_msg_invalid_arg, child->argv[1], child->argv[0]); - return EXIT_FAILURE; - } - for (job = child->family->job_list->head; job; job = job->next) { - if (job->jobid == jobnum) { - break; - } - } - if (!job) { - bb_error_msg("%s: %d: no such job", child->argv[0], jobnum); - return EXIT_FAILURE; + bb_error_msg("%s: no current job", child->argv[0]); + return EXIT_FAILURE; + } + if (sscanf(child->argv[1], "%%%d", &jobnum) != 1) { + bb_error_msg(bb_msg_invalid_arg, child->argv[1], child->argv[0]); + return EXIT_FAILURE; + } + for (job = child->family->job_list->head; job; job = job->next) { + if (job->jobid == jobnum) { + goto found; } } - + bb_error_msg("%s: %d: no such job", child->argv[0], jobnum); + return EXIT_FAILURE; + found: if (*child->argv[0] == 'f') { /* Put the job into the foreground. */ tcsetpgrp(shell_terminal, job->pgrp); @@ -301,7 +296,7 @@ static int builtin_fg_bg(struct child_prog *child) i = kill(- job->pgrp, SIGCONT); if (i < 0) { - if (i == ESRCH) { + if (errno == ESRCH) { remove_job(&job_list, job); } else { bb_perror_msg("kill (SIGCONT)"); @@ -1241,6 +1236,9 @@ static int run_command(struct job *newjob, int inbg, int outpipe[2]) * is doomed to failure, and doesn't work on bash, either. */ if (newjob->num_progs == 1) { + int rcode; + int squirrel[] = {-1, -1, -1}; + /* Check if the command sets an environment variable. */ if (strchr(child->argv[0], '=') != NULL) { child->argv[1] = child->argv[0]; @@ -1249,14 +1247,23 @@ static int run_command(struct job *newjob, int inbg, int outpipe[2]) for (x = bltins; x <= &VEC_LAST(bltins); x++) { if (strcmp(child->argv[0], x->cmd) == 0) { - int rcode; - int squirrel[] = {-1, -1, -1}; setup_redirects(child, squirrel); rcode = x->function(child); restore_redirects(squirrel); return rcode; } } +#if ENABLE_FEATURE_SH_STANDALONE + { + const struct bb_applet *a = find_applet_by_name(child->argv[i]); + if (a && a->nofork) { + setup_redirects(child, squirrel); + rcode = run_nofork_applet(a, child->argv + i); + restore_redirects(squirrel); + return rcode; + } + } +#endif } #if BB_MMU |