Fix uip/whom.c for C89 compatibility
[mmh] / uip / mhlist.c
index 8902f75..7056db5 100644 (file)
@@ -9,69 +9,42 @@
 #include <h/mh.h>
 #include <fcntl.h>
 #include <h/signals.h>
-#include <h/md5.h>
 #include <errno.h>
 #include <signal.h>
 #include <h/tws.h>
 #include <h/mime.h>
 #include <h/mhparse.h>
-#include <h/mhcachesbr.h>
 #include <h/utils.h>
-
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include <unistd.h>
+#include <sys/stat.h>
+#include <locale.h>
+#include <sysexits.h>
 
 static struct swit switches[] = {
-#define CHECKSW  0
-       { "check", 0 },
-#define NCHECKSW  1
-       { "nocheck", 0 },
-#define HEADSW  2
-       { "headers", 0 },
-#define NHEADSW  3
-       { "noheaders", 0 },
-#define SIZESW  4
-       { "realsize", 0 },
-#define NSIZESW  5
-       { "norealsize", 0 },
-#define VERBSW  6
+#define VERBSW  0
        { "verbose", 0 },
-#define NVERBSW  7
-       { "noverbose", 0 },
-#define FILESW  8  /* interface from show */
+#define NVERBSW  1
+       { "noverbose", 2 },
+#define FILESW  2  /* interface from show */
        { "file file", 0 },
-#define PARTSW  9
+#define PARTSW  3
        { "part number", 0 },
-#define TYPESW  10
+#define TYPESW  4
        { "type content", 0 },
-#define RCACHESW  11
-       { "rcache policy", 0 },
-#define WCACHESW  12
-       { "wcache policy", 0 },
-#define VERSIONSW  13
-       { "version", 0 },
-#define HELPSW  14
+#define VERSIONSW  5
+       { "Version", 0 },
+#define HELPSW  6
        { "help", 0 },
-
-/*
-** switches for debugging
-*/
-#define DEBUGSW  15
+#define DEBUGSW  7
        { "debug", -5 },
        { NULL, 0 }
 };
 
+char *version=VERSION;
 
 /* mhparse.c */
 extern char *tmp;  /* directory to place temp files */
 
-/* mhcachesbr.c */
-extern int rcachesw;
-extern int wcachesw;
-extern char *cache_public;
-extern char *cache_private;
-
 /* mhmisc.c */
 extern int npart;
 extern int ntype;
@@ -100,24 +73,23 @@ void set_endian(void);
 void flush_errors(void);
 
 /* mhlistsbr.c */
-void list_all_messages(CT *, int, int, int, int);
+void list_all_messages(CT *, int, int);
 
 /* mhfree.c */
 void free_content(CT);
 extern CT *cts;
-void freects_done(int) NORETURN;
+void freects_done();
 
 /*
 ** static prototypes
 */
-static RETSIGTYPE pipeser(int);
+static void pipeser(int);
 
 
 int
 main(int argc, char **argv)
 {
-       int sizesw = 1, headsw = 1;
-       int msgnum, *icachesw;
+       int msgnum;
        char *cp, *file = NULL, *folder = NULL;
        char *maildir, buf[100], **argp;
        char **arguments;
@@ -125,11 +97,11 @@ main(int argc, char **argv)
        struct msgs *mp = NULL;
        CT ct, *ctp;
 
-       done=freects_done;
+       if (atexit(freects_done) != 0) {
+               adios(EX_OSERR, NULL, "atexit failed");
+       }
 
-#ifdef LOCALE
        setlocale(LC_ALL, "");
-#endif
        invo_name = mhbasename(argv[0]);
 
        /* read user profile/context */
@@ -146,81 +118,41 @@ main(int argc, char **argv)
                        switch (smatch(++cp, switches)) {
                        case AMBIGSW:
                                ambigsw(cp, switches);
-                               done(1);
+                               exit(EX_USAGE);
                        case UNKWNSW:
-                               adios(NULL, "-%s unknown", cp);
+                               adios(EX_USAGE, NULL, "-%s unknown", cp);
 
                        case HELPSW:
                                snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name);
                                print_help(buf, switches, 1);
-                               done(1);
+                               exit(argc == 2 ? EX_OK : EX_USAGE);
                        case VERSIONSW:
                                print_version(invo_name);
-                               done(1);
-
-                       case RCACHESW:
-                               icachesw = &rcachesw;
-                               goto do_cache;
-                       case WCACHESW:
-                               icachesw = &wcachesw;
-do_cache:
-                               if (!(cp = *argp++) || *cp == '-')
-                                       adios(NULL, "missing argument to %s", argp[-2]);
-                               switch (*icachesw = smatch(cp, caches)) {
-                               case AMBIGSW:
-                                       ambigsw(cp, caches);
-                                       done(1);
-                               case UNKWNSW:
-                                       adios(NULL, "%s unknown", cp);
-                               default:
-                                       break;
-                               }
-                               continue;
-
-                       case CHECKSW:
-                               checksw++;
-                               continue;
-                       case NCHECKSW:
-                               checksw = 0;
-                               continue;
-
-                       case HEADSW:
-                               headsw = 1;
-                               continue;
-                       case NHEADSW:
-                               headsw = 0;
-                               continue;
-
-                       case SIZESW:
-                               sizesw = 1;
-                               continue;
-                       case NSIZESW:
-                               sizesw = 0;
-                               continue;
+                               exit(argc == 2 ? EX_OK : EX_USAGE);
 
                        case PARTSW:
                                if (!(cp = *argp++) || *cp == '-')
-                                       adios(NULL, "missing argument to %s",
+                                       adios(EX_USAGE, NULL, "missing argument to %s",
                                                        argp[-2]);
                                if (npart >= NPARTS)
-                                       adios(NULL, "too many parts (starting with %s), %d max", cp, NPARTS);
+                                       adios(EX_USAGE, NULL, "too many parts (starting with %s), %d max", cp, NPARTS);
                                parts[npart++] = cp;
                                continue;
 
                        case TYPESW:
                                if (!(cp = *argp++) || *cp == '-')
-                                       adios(NULL, "missing argument to %s",
+                                       adios(EX_USAGE, NULL, "missing argument to %s",
                                                        argp[-2]);
                                if (ntype >= NTYPES)
-                                       adios(NULL, "too many types (starting with %s), %d max", cp, NTYPES);
+                                       adios(EX_USAGE, NULL, "too many types (starting with %s), %d max", cp, NTYPES);
                                types[ntype++] = cp;
                                continue;
 
                        case FILESW:
                                if (!(cp = *argp++) || (*cp == '-' && cp[1]))
-                                       adios(NULL, "missing argument to %s",
+                                       adios(EX_USAGE, NULL, "missing argument to %s",
                                                        argp[-2]);
-                               file = *cp == '-' ? cp : getcpy(expanddir(cp));
+                               file = *cp == '-' ? cp : mh_xstrdup(expanddir(cp));
                                continue;
 
                        case VERBSW:
@@ -236,9 +168,9 @@ do_cache:
                }
                if (*cp == '+' || *cp == '@') {
                        if (folder)
-                               adios(NULL, "only one folder at a time!");
+                               adios(EX_USAGE, NULL, "only one folder at a time!");
                        else
-                               folder = getcpy(expandfol(cp));
+                               folder = mh_xstrdup(expandfol(cp));
                } else
                        app_msgarg(&msgs, cp);
        }
@@ -249,15 +181,6 @@ do_cache:
 
        set_endian();
 
-       /* Check for public cache location */
-       if ((cache_public = context_find(nmhcache)) && *cache_public != '/')
-               cache_public = NULL;
-
-       /* Check for private cache location */
-       if (!(cache_private = context_find(nmhprivcache)))
-               cache_private = ".cache";
-       cache_private = getcpy(toabsdir(cache_private));
-
        /*
        ** Check for storage directory.  If specified,
        ** then store temporary files there.  Else we
@@ -266,20 +189,19 @@ do_cache:
        if ((cp = context_find(nmhstorage)) && *cp)
                tmp = concat(cp, "/", invo_name, NULL);
        else
-               tmp = getcpy(toabsdir(invo_name));
+               tmp = mh_xstrdup(toabsdir(invo_name));
 
        if (file && msgs.size)
-               adios(NULL, "cannot specify msg and file at same time!");
+               adios(EX_USAGE, NULL, "cannot specify msg and file at same time!");
 
        /*
        ** check if message is coming from file
        */
        if (file) {
-               if (!(cts = (CT *) calloc((size_t) 2, sizeof(*cts))))
-                       adios(NULL, "out of memory");
+               cts = mh_xcalloc(2, sizeof(*cts));
                ctp = cts;
 
-               if ((ct = parse_mime(file)));
+               if ((ct = parse_mime(file)))
                        *ctp++ = ct;
        } else {
                /*
@@ -292,25 +214,25 @@ do_cache:
                maildir = toabsdir(folder);
 
                if (chdir(maildir) == NOTOK)
-                       adios(maildir, "unable to change directory to");
+                       adios(EX_OSERR, maildir, "unable to change directory to");
 
                /* read folder and create message structure */
                if (!(mp = folder_read(folder)))
-                       adios(NULL, "unable to read folder %s", folder);
+                       adios(EX_IOERR, NULL, "unable to read folder %s", folder);
 
                /* check for empty folder */
                if (mp->nummsg == 0)
-                       adios(NULL, "no messages in %s", folder);
+                       adios(EX_DATAERR, NULL, "no messages in %s", folder);
 
                /* parse all the message ranges/sequences and set SELECTED */
-               for (msgnum = 0; msgnum < msgs.size; msgnum++)
-                       if (!m_convert(mp, msgs.msgs[msgnum]))
-                               done (1);
+               for (msgnum = 0; msgnum < msgs.size; msgnum++) {
+                       if (!m_convert(mp, msgs.msgs[msgnum])) {
+                               exit(EX_SOFTWARE);
+                       }
+               }
                seq_setprev(mp);  /* set the previous-sequence */
 
-               if (!(cts = (CT *) calloc((size_t) (mp->numsel + 1),
-                               sizeof(*cts))))
-                       adios(NULL, "out of memory");
+               cts = mh_xcalloc(mp->numsel + 1, sizeof(*cts));
                ctp = cts;
 
                for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
@@ -325,7 +247,7 @@ do_cache:
        }
 
        if (!*cts)
-               done(1);
+               exit(EX_SOFTWARE);
 
        userrs = 1;
        SIGNAL(SIGQUIT, quitser);
@@ -349,14 +271,13 @@ do_cache:
        /*
        ** List the message content
        */
-       list_all_messages(cts, headsw, sizesw, verbosw, debugsw);
+       list_all_messages(cts, verbosw, debugsw);
 
        /* Now free all the structures for the content */
        for (ctp = cts; *ctp; ctp++)
                free_content(*ctp);
 
-       free((char *) cts);
-       cts = NULL;
+       mh_free0(&cts);
 
        /* If reading from a folder, do some updating */
        if (mp) {
@@ -366,12 +287,11 @@ do_cache:
                context_save();  /* save the context file  */
        }
 
-       done(0);
-       return 1;
+       return EX_OK;
 }
 
 
-static RETSIGTYPE
+static void
 pipeser(int i)
 {
        if (i == SIGQUIT) {
@@ -381,6 +301,6 @@ pipeser(int i)
                fflush(stderr);
        }
 
-       done(1);
+       _exit(EX_IOERR);
        /* NOTREACHED */
 }