simplify whatnow.c/main() function
[mmh] / uip / repl.c
index bbc3cfe..8a40543 100644 (file)
@@ -134,14 +134,14 @@ main(int argc, char **argv)
        FILE *in;
        int buildsw = 0;
 
-       filter = getcpy(etcpath(mhlreply));
-
        setlocale(LC_ALL, "");
        invo_name = mhbasename(argv[0]);
 
        /* read user profile/context */
        context_read();
 
+       filter = mh_xstrdup(etcpath(mhlreply));
+
        arguments = getarguments(invo_name, argc, argv, 1);
        argp = arguments;
 
@@ -212,7 +212,7 @@ main(int argc, char **argv)
                                if (!(cp = *argp++) || *cp == '-')
                                        adios(EX_USAGE, NULL, "missing argument to %s",
                                                        argp[-2]);
-                               file = getcpy(expanddir(cp));
+                               file = mh_xstrdup(expanddir(cp));
                                continue;
                        case FORMSW:
                                if (!(form = *argp++) || *form == '-')
@@ -224,7 +224,7 @@ main(int argc, char **argv)
                                if (!(cp = *argp++) || *cp == '-')
                                        adios(EX_USAGE, NULL, "missing argument to %s",
                                                        argp[-2]);
-                               filter = getcpy(etcpath(cp));
+                               filter = mh_xstrdup(etcpath(cp));
                                continue;
                        case NFILTSW:
                                filter = NULL;
@@ -250,7 +250,7 @@ main(int argc, char **argv)
                        if (folder)
                                adios(EX_USAGE, NULL, "only one folder at a time!");
                        else
-                               folder = getcpy(expandfol(cp));
+                               folder = mh_xstrdup(expandfol(cp));
                } else {
                        if (msg)
                                adios(EX_USAGE, NULL, "only one message at a time!");
@@ -266,7 +266,7 @@ main(int argc, char **argv)
        if (ccme == -1)
                ccme = groupreply;
 
-       cwd = getcpy(pwd());
+       cwd = mh_xstrdup(pwd());
 
        if (file && (msg || folder))
                adios(EX_USAGE, NULL, "can't mix files and folders/msgs");
@@ -320,7 +320,7 @@ main(int argc, char **argv)
                context_save();  /* save the context file   */
        }
 
-       msg = file ? file : getcpy(m_name(mp->lowsel));
+       msg = file ? file : mh_xstrdup(m_name(mp->lowsel));
 
        if ((in = fopen(msg, "r")) == NULL)
                adios(EX_IOERR, msg, "unable to open");
@@ -378,7 +378,7 @@ replout(FILE *inb, char *drft, struct msgs *mp,
        int mime, char *form, char *filter)
 {
        enum state state;
-       struct field f = free_field;
+       struct field f = {{0}};
        int i;
        struct comp *cptr;
        char **ap;
@@ -422,7 +422,7 @@ replout(FILE *inb, char *drft, struct msgs *mp,
        if ((cp = getenv("USER"))) {
                FINDCOMP(cptr, "user");
                if (cptr)
-                       cptr->c_text = getcpy(cp);
+                       cptr->c_text = mh_xstrdup(cp);
        }
        if (!ccme)
                ismymbox(NULL);
@@ -448,7 +448,7 @@ replout(FILE *inb, char *drft, struct msgs *mp,
                                        }
                                        char_read += strlen(f.value);
                                        if (!cptr->c_text) {
-                                               cptr->c_text = getcpy(f.value);
+                                               cptr->c_text = mh_xstrdup(f.value);
                                                i = strlen(cptr->c_text) - 1;
                                                if (cptr->c_text[i] == '\n') {
                                                        cptr->c_text[i] = '\0';
@@ -506,12 +506,12 @@ finished:
                }
                if (sp != cptr->c_text) {
                        cp = cptr->c_text;
-                       cptr->c_text = getcpy(sp);
-                       free(cp);
+                       cptr->c_text = mh_xstrdup(sp);
+                       mh_free0(&cp);
                }
        }
        i = format_len + char_read + 256;
-       scanl = mh_xmalloc((size_t) i + 2);
+       scanl = mh_xcalloc(i + 2, sizeof(char));
        dat[0] = 0;
        dat[1] = 0;
        dat[2] = 0;
@@ -552,7 +552,7 @@ finished:
        }
 
        /* return dynamically allocated buffers */
-       free(scanl);
+       mh_free0(&scanl);
 }
 
 static char *buf;  /* our current working buffer */
@@ -588,7 +588,7 @@ static unsigned int bufsiz=0;  /* current size of buf */
 ** returns a pointer to the concatenated address string.
 **
 ** We try to not do a lot of malloc/copy/free's (which is why we
-** don't call "getcpy") but still place no upper limit on the
+** don't call "mh_xstrdup") but still place no upper limit on the
 ** length of the result string.
 **
 ** This routine is an override for the equally named one in sbr/fmt_addr.c.
@@ -607,7 +607,7 @@ formataddr(char *orig, char *str)
 
        /* if we don't have a buffer yet, get one */
        if (bufsiz == 0) {
-               buf = mh_xmalloc(BUFINCR);
+               buf = mh_xcalloc(BUFINCR, sizeof(char));
                last_dst = buf;  /* XXX */
                bufsiz = BUFINCR - 6;  /* leave some slop */
                bufend = buf + bufsiz;
@@ -701,8 +701,8 @@ insert(struct mailname *np)
 static void
 replfilter(FILE *in, FILE *out, char *filter)
 {
-       int pid, n;
-       char *errstr;
+       int pid, pid_show, n;
+       int mailpipe[2];
 
        if (filter == NULL)
                return;
@@ -718,22 +718,45 @@ replfilter(FILE *in, FILE *out, char *filter)
                adios(EX_OSERR, "fork", "unable to");
 
        case OK:
-               dup2(fileno(in), fileno(stdin));
-               dup2(fileno(out), fileno(stdout));
-               for (n=3; n<OPEN_MAX; n++) {
-                       close(n);
+               if (pipe(mailpipe) == -1) {
+                       adios(EX_OSERR, "pipe", "can't create pipe");
                }
 
-               execlp("mhl", "mhl", "-form", filter, NULL);
-               errstr = strerror(errno);
-               write(2, "unable to exec mhl: ", 20);
-               write(2, errstr, strlen(errstr));
-               write(2, "\n", 1);
-               _exit(EX_OSERR);
+               switch (pid_show = fork()) {
+               case NOTOK:
+                       adios(EX_OSERR, "fork", "unable to");
+               case OK:
+                       dup2(fileno(in), STDIN_FILENO);
+                       dup2(mailpipe[1], STDOUT_FILENO);
+                       close(fileno(in));
+                       close(fileno(out));
+                       close(mailpipe[0]);
+                       close(mailpipe[1]);
+                       for (n=3; n<OPEN_MAX; n++) {
+                               close(n);
+                       }
+                       execlp("show", "show", "-file", "-", NULL);
+                       adios(EX_OSERR, "exec", "unable to");
+                       break;
+               default:
+                       dup2(mailpipe[0], STDIN_FILENO);
+                       dup2(fileno(out), STDOUT_FILENO);
+                       close(fileno(in));
+                       close(fileno(out));
+                       close(mailpipe[0]);
+                       close(mailpipe[1]);
+                       for (n=3; n<OPEN_MAX; n++) {
+                               close(n);
+                       }
+                       execlp("mhl", "mhl", "-form", filter, NULL);
+                       adios(EX_OSERR, "exec", "unable to");
+                       break;
+               }
 
        default:
-               if (pidXwait(pid, "mhl"))
+               if (pidXwait(pid, "mhl")) {
                        exit(EX_SOFTWARE);
+               }
                fseek(out, 0L, SEEK_END);
                break;
        }