Use sysexits.h for better exit-codes
[mmh] / uip / send.c
index 41ef92a..ec9b76d 100644 (file)
@@ -103,19 +103,19 @@ main(int argc, char **argv)
                        switch (smatch(++cp, switches)) {
                        case AMBIGSW:
                                ambigsw(cp, switches);
-                               exit(1);
+                               exit(EX_USAGE);
                        case UNKWNSW:
-                               adios(NULL, "-%s unknown\n", cp);
+                               adios(EX_USAGE, NULL, "-%s unknown\n", cp);
 
                        case HELPSW:
                                snprintf(buf, sizeof(buf),
                                                "%s [file] [switches]",
                                                invo_name);
                                print_help(buf, switches, 1);
-                               exit(0);
+                               exit(argc == 2 ? EX_OK : EX_USAGE);
                        case VERSIONSW:
                                print_version(invo_name);
-                               exit(0);
+                               exit(argc == 2 ? EX_OK : EX_USAGE);
 
                        case DEBUGSW:
                                debugsw++;
@@ -141,20 +141,20 @@ main(int argc, char **argv)
        if (nmsgs) {
                maildir = toabsdir(draftfolder);
                if (chdir(maildir) == NOTOK) {
-                       adios(maildir, "unable to change directory to");
+                       adios(EX_OSERR, maildir, "unable to change directory to");
                }
                if (!(mp = folder_read(draftfolder))) {
-                       adios(NULL, "unable to read draft folder %s",
+                       adios(EX_IOERR, NULL, "unable to read draft folder %s",
                                        draftfolder);
                }
                if (mp->nummsg == 0) {
-                       adios(NULL, "no messages in draft folder %s",
+                       adios(EX_DATAERR, NULL, "no messages in draft folder %s",
                                        draftfolder);
                }
                /* parse all the msgranges/sequences and set SELECTED */
                for (msgnum = 0; msgnum < nmsgs; msgnum++) {
                        if (!m_convert(mp, msgs[msgnum])) {
-                               exit(1);
+                               exit(EX_USAGE);
                        }
                }
                seq_setprev(mp);
@@ -179,7 +179,7 @@ main(int argc, char **argv)
 
        for (n = 0; n < nfiles; n++) {
                if (stat(files[n], &st) == NOTOK) {
-                       adios(files[n], "unable to stat draft file");
+                       adios(EX_IOERR, files[n], "unable to stat draft file");
                }
        }
 
@@ -193,12 +193,12 @@ main(int argc, char **argv)
        if ((cp = getenv("mhdist")) && *cp && (distsw = atoi(cp)) && altmsg) {
                vec[vecp++] = "-dist";
                if ((in = open(altmsg, O_RDONLY)) == NOTOK) {
-                       adios(altmsg, "unable to open for reading");
+                       adios(EX_IOERR, altmsg, "unable to open for reading");
                }
                fstat(in, &st2);
                distfile = getcpy(m_mktemp2(NULL, invo_name, NULL, NULL));
                if ((out = creat(distfile, (int)st2.st_mode & 0777))==NOTOK) {
-                       adios(distfile, "unable to open for writing");
+                       adios(EX_IOERR, distfile, "unable to open for writing");
                }
                cpydata(in, out, altmsg, distfile);
                close(in);
@@ -331,7 +331,7 @@ attach(char *draft_file_name)
        char *p;
 
        if (!(draft_file = fopen(draft_file_name, "r"))) {
-               adios(NULL, "can't open draft file `%s'.", draft_file_name);
+               adios(EX_IOERR, NULL, "can't open draft file `%s'.", draft_file_name);
        }
 
        /* We'll grow the buffer as needed. */
@@ -395,7 +395,7 @@ attach(char *draft_file_name)
 
        if ((has_body && !body_file) || !composition_file) {
                clean_up_temporary_files();
-               adios(NULL, "unable to open all of the temporary files.");
+               adios(EX_IOERR, NULL, "unable to open all of the temporary files.");
        }
 
        /* Copy non-attachment header fields to the temp composition file. */
@@ -466,7 +466,7 @@ signandenc(char *draft_file_name)
        int ret;
 
        if (!(draft_file = fopen(draft_file_name, "r"))) {
-               adios(NULL, "can't open draft file `%s'.", draft_file_name);
+               adios(EX_IOERR, NULL, "can't open draft file `%s'.", draft_file_name);
        }
 
        /* We'll grow the buffer as needed. */
@@ -569,7 +569,7 @@ make_mime_composition_file_entry(char *file_name)
 
        if (!(fp = popen(cmdbuf, "r"))) {
                clean_up_temporary_files();
-               adios(NULL, "unable to determine content type with `%s'",
+               adios(EX_IOERR, NULL, "unable to determine content type with `%s'",
                                cmdbuf);
        }
        if (fgets(content_type, sizeof content_type, fp) &&
@@ -585,14 +585,14 @@ make_mime_composition_file_entry(char *file_name)
        /* TODO: don't use access(2) because it checks for ruid, not euid */
        if (access(file_name, R_OK) != 0) {
                clean_up_temporary_files();
-               adios(NULL, "unable to access file `%s'", file_name);
+               adios(EX_IOERR, NULL, "unable to access file `%s'", file_name);
        }
 
        /* Check for broken file(1). See man page mh-profile(5). */
        for (cp=content_type; *cp; cp++) {
                if (isspace(*cp)) {
                        if (!semicolon) {
-                               adios(NULL, "Sorry, your Mime-Type-Query command (%s) is broken.\n\tThe output misses a semicolon before the whitespace.\n\tOutput was: %s", cmd, content_type);
+                               adios(EX_SOFTWARE, NULL, "Sorry, your Mime-Type-Query command (%s) is broken.\n\tThe output misses a semicolon before the whitespace.\n\tOutput was: %s", cmd, content_type);
                        }
                } else if (*cp == ';') {
                        semicolon = 1;
@@ -637,7 +637,7 @@ sendaux(char **vec, int vecp, char *drft, struct stat *st)
                execvp(*vec, vec);
                fprintf(stderr, "unable to exec ");
                perror(*vec);
-               _exit(-1);
+               _exit(EX_OSERR);
                break;  /* NOT REACHED */
 
        default: