diff options
| -rw-r--r-- | build.1 | 12 | ||||
| -rw-r--r-- | build.c | 9 |
2 files changed, 19 insertions, 2 deletions
@@ -76,6 +76,18 @@ in the same shell process. This means that you can keep state across multiple commands. Note that all commands are executed regardless of the exit status of previous commands. +.Pp +.Nm +exits with a positive status if a command failed. +Note that it checks the status +of the entire command sent to the shell, +not the individual command lines. +To emulate the behavior of +.Xr make 1 , +which fails if any individual command line fails, +you can use +.Ql set -e +in your command line. . .Sh EXAMPLES .Pp @@ -32,7 +32,7 @@ main(int argc, char *argv[]) { char *b, buf[MAXBUF], *cmd[MAXCMDS], *d, *dep, *name, *tgt; FILE *fp; - int c, dflag, fflag, i, icmd, j; + int c, dflag, fflag, i, icmd, j, s, status; struct stat sb, ssb; /* allocate memory */ @@ -46,6 +46,7 @@ main(int argc, char *argv[]) if (!dep) err(1, "malloc"); tgt[0] = dep[0] = 0; + status = 0; /* process arguments */ name = argv[0]; @@ -162,11 +163,15 @@ build: strncat(buf, cmd[j], MAXBUF-1); strncat(buf, "\n", MAXBUF-1); } - system(buf); + s = system(buf); + if (s != -1) + status += s; done: fclose(fp); } + + return status > 0; } void |