X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fmhshow.c;h=9bc7ed325389bd6b047f5ad1bbcc2c85f1ae8ecb;hp=ebbd8ec80b0d1d6438adc65050b13c30754fba3a;hb=fede6e42d81ce34fd5c1bbe7fb2757b281c2573a;hpb=7ffcbc3d01bb58a071d56f5e7379948c579f634a diff --git a/uip/mhshow.c b/uip/mhshow.c index ebbd8ec..9bc7ed3 100644 --- a/uip/mhshow.c +++ b/uip/mhshow.c @@ -9,48 +9,31 @@ #include #include #include -#include #include #include #include #include #include -#include #include static struct swit switches[] = { -#define CHECKSW 0 - { "check", 0 }, -#define NCHECKSW 1 - { "nocheck", 0 }, -#define SERIALSW 2 - { "serialonly", 0 }, -#define NSERIALSW 3 - { "noserialonly", 0 }, -#define VERBSW 4 +#define VERBSW 0 { "verbose", 0 }, -#define NVERBSW 5 - { "noverbose", 0 }, -#define FILESW 6 /* interface from show */ +#define NVERBSW 1 + { "noverbose", 2 }, +#define FILESW 2 /* interface from show */ { "file file", 0 }, -#define FORMSW 7 +#define FORMSW 3 { "form formfile", 0 }, -#define PARTSW 8 +#define PARTSW 4 { "part number", 0 }, -#define TYPESW 9 +#define TYPESW 5 { "type content", 0 }, -#define RCACHESW 10 - { "rcache policy", 0 }, -#define WCACHESW 11 - { "wcache policy", 0 }, -#define VERSIONSW 12 - { "version", 0 }, -#define HELPSW 13 +#define VERSIONSW 6 + { "Version", 0 }, +#define HELPSW 7 { "help", 0 }, -/* -** switches for debugging -*/ -#define DEBUGSW 14 +#define DEBUGSW 8 { "debug", -5 }, { NULL, 0 } }; @@ -59,14 +42,7 @@ static struct swit switches[] = { /* 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; - /* mhshowsbr.c */ -extern int serialsw; extern int nolist; extern char *formsw; @@ -77,6 +53,8 @@ extern char *parts[NPARTS + 1]; extern char *types[NTYPES + 1]; extern int userrs; +static enum { SHOW, NEXT, PREV } mode = SHOW; + int debugsw = 0; int verbosw = 0; @@ -97,18 +75,20 @@ void show_all_messages(CT *); /* 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); +static void m_popen(char *); +static void m_pclose(void); int main(int argc, char **argv) { - int msgnum, *icachesw; + int msgnum; char *cp, *file = NULL, *folder = NULL; char *maildir, buf[100], **argp; char **arguments; @@ -116,13 +96,17 @@ main(int argc, char **argv) struct msgs *mp = NULL; CT ct, *ctp; FILE *fp; + int ontty = 0; - done=freects_done; + atexit(freects_done); -#ifdef LOCALE setlocale(LC_ALL, ""); -#endif invo_name = mhbasename(argv[0]); + if (mh_strcasecmp(invo_name, "next")==0) { + mode = NEXT; + } else if (mh_strcasecmp(invo_name, "prev")==0) { + mode = PREV; + } /* read user profile/context */ context_read(); @@ -138,51 +122,18 @@ main(int argc, char **argv) switch (smatch(++cp, switches)) { case AMBIGSW: ambigsw(cp, switches); - done(1); + /* sysexits.h EX_USAGE */ + exit(1); case UNKWNSW: adios(NULL, "-%s unknown", cp); case HELPSW: - snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name); + snprintf(buf, sizeof(buf), "%s [+folder] %s[switches]", invo_name, mode==SHOW ? "[msgs] " : ""); print_help(buf, switches, 1); - done(1); + exit(0); 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 SERIALSW: - serialsw = 1; - continue; - case NSERIALSW: - serialsw = 0; - continue; + exit(0); case PARTSW: if (!(cp = *argp++) || *cp == '-') @@ -203,6 +154,10 @@ do_cache: continue; case FILESW: + if (mode != SHOW) { + adios(NULL, "Either call show as `%s' or use -file", invo_name); + } + if (!(cp = *argp++) || (*cp == '-' && cp[1])) adios(NULL, "missing argument to %s", argp[-2]); @@ -234,8 +189,11 @@ do_cache: adios(NULL, "only one folder at a time!"); else folder = getcpy(expandfol(cp)); - } else + } else if (mode != SHOW) { + adios(NULL, "Either call show as `%s' or give message arguments", invo_name); + } else { app_msgarg(&msgs, cp); + } } /* null terminate the list of acceptable parts/types */ @@ -269,15 +227,6 @@ do_cache: fclose(fp); } - /* 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 @@ -305,8 +254,19 @@ do_cache: /* ** message(s) are coming from a folder */ - if (!msgs.size) - app_msgarg(&msgs, seq_cur); + if (!msgs.size) { + switch (mode) { + case NEXT: + app_msgarg(&msgs, seq_next); + break; + case PREV: + app_msgarg(&msgs, seq_prev); + break; + default: + app_msgarg(&msgs, seq_cur); + break; + } + } if (!folder) folder = getcurfol(); maildir = toabsdir(folder); @@ -325,7 +285,8 @@ do_cache: /* 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); + /* sysexits.h EX_USAGE */ + exit(1); /* ** Set the SELECT_UNSEEN bit for all the SELECTED messages, @@ -359,7 +320,7 @@ do_cache: } if (!*cts) - done(1); + exit(1); userrs = 1; SIGNAL(SIGQUIT, quitser); @@ -380,11 +341,19 @@ do_cache: } } + if ((ontty = isatty(fileno(stdout)))) { + m_popen(defaultpager); + } + /* ** Show the message content */ show_all_messages(cts); + if (ontty) { + m_pclose(); + } + /* Now free all the structures for the content */ for (ctp = cts; *ctp; ctp++) free_content(*ctp); @@ -400,12 +369,11 @@ do_cache: context_save(); /* save the context file */ } - done(0); - return 1; + return 0; } -static RETSIGTYPE +static void pipeser(int i) { if (i == SIGQUIT) { @@ -415,6 +383,71 @@ pipeser(int i) fflush(stderr); } - done(1); + exit(1); /* NOTREACHED */ } + + +static int m_pid = NOTOK; +static int sd = NOTOK; + + +static void +m_popen(char *name) +{ + int pd[2]; + + if ((sd = dup(fileno(stdout))) == NOTOK) + adios("standard output", "unable to dup()"); + + if (pipe(pd) == NOTOK) + adios("pipe", "unable to"); + + switch (m_pid = fork()) { + case NOTOK: + adios("fork", "unable to"); + + case OK: + SIGNAL(SIGINT, SIG_DFL); + SIGNAL(SIGQUIT, SIG_DFL); + + close(pd[1]); + if (pd[0] != fileno(stdin)) { + dup2(pd[0], fileno(stdin)); + close(pd[0]); + } + execlp(name, mhbasename(name), NULL); + fprintf(stderr, "unable to exec "); + perror(name); + _exit(-1); + + default: + close(pd[0]); + if (pd[1] != fileno(stdout)) { + dup2(pd[1], fileno(stdout)); + close(pd[1]); + } + } +} + + +void +m_pclose(void) +{ + if (m_pid == NOTOK) + return; + + if (sd != NOTOK) { + fflush(stdout); + if (dup2(sd, fileno(stdout)) == NOTOK) + adios("standard output", "unable to dup2()"); + + clearerr(stdout); + close(sd); + sd = NOTOK; + } else + fclose(stdout); + + pidwait(m_pid, OK); + m_pid = NOTOK; +}