-
-/*
- * picksbr.c -- routines to help pick along...
+/* picksbr.c -- routines to help pick along...
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
#define STAR 01
-#define LBSIZE 1024
+#define LBSIZE NMH_BUFSIZ
#define ESIZE 1024
#define nxtarg() (*argp ? *argp++ : NULL)
#define prvarg() argp--
-#define padvise if (!talked++) advise
+#define pinform if (!talked++) inform
struct nexus {
- int (*n_action)();
+ int (*n_action)(struct nexus *n, FILE *fp, int msgnum, long start, long stop);
union {
/* for {OR,AND,NOT}action */
static struct nexus *nexp1(void);
static struct nexus *nexp2(void);
static struct nexus *nexp3(void);
-static struct nexus *newnexus(int (*)());
+static struct nexus *newnexus(int (*action)(struct nexus *n,
+ FILE *fp, int msgnum, long start, long stop));
-static int ORaction();
-static int ANDaction();
-static int NOTaction();
-static int GREPaction();
-static int TWSaction();
+static int ORaction(struct nexus *n, FILE *fp, int msgnum,
+ long start, long stop);
+static int ANDaction(struct nexus *n, FILE *fp, int msgnum,
+ long start, long stop);
+static int NOTaction(struct nexus *n, FILE *fp, int msgnum,
+ long start, long stop);
+static int GREPaction(struct nexus *n, FILE *fp, int msgnum,
+ long start, long stop);
+static int TWSaction(struct nexus *n, FILE *fp, int msgnum,
+ long start, long stop);
int
talked = 0;
if ((head = parse ()) == NULL)
- return (talked ? 0 : 1);
+ return !talked;
if (*argp) {
- padvise (NULL, "%s unexpected", *argp);
+ inform("%s unexpected", *argp);
return 0;
}
return n;
if (*cp != '-') {
- padvise (NULL, "%s unexpected", cp);
+ pinform("%s unexpected", cp);
return NULL;
}
o->n_L_child = n;
if ((o->n_R_child = parse ()))
return o;
- padvise (NULL, "missing disjunctive");
+ pinform("missing disjunctive");
free (o);
return NULL;
return n;
if (*cp != '-') {
- padvise (NULL, "%s unexpected", cp);
+ pinform("%s unexpected", cp);
free (n);
return NULL;
}
o->n_L_child = n;
if ((o->n_R_child = nexp1 ()))
return o;
- padvise (NULL, "missing conjunctive");
+ pinform("missing conjunctive");
free (o);
return NULL;
n = newnexus (NOTaction);
if ((n->n_L_child = nexp3 ()))
return n;
- padvise (NULL, "missing negation");
+ pinform("missing negation");
free (n);
return NULL;
return NULL;
if (*cp != '-') {
- padvise (NULL, "%s unexpected", cp);
+ pinform("%s unexpected", cp);
return NULL;
}
case PRLBR:
if ((n = parse ()) == NULL) {
- padvise (NULL, "missing group");
+ pinform("missing group");
return NULL;
}
if ((cp = nxtarg ()) == NULL) {
- padvise (NULL, "missing -rbrace");
+ pinform("missing -rbrace");
return NULL;
}
if (*cp++ == '-' && smatch (cp, parswit) == PRRBR)
return n;
- padvise (NULL, "%s unexpected", --cp);
+ pinform("%s unexpected", --cp);
return NULL;
default:
dp = *brkstring (temp, " ", NULL);
header: ;
if (!(cp = nxtarg ())) {/* allow -xyz arguments */
- padvise (NULL, "missing argument to %s", argp[-2]);
+ pinform("missing argument to %s", argp[-2]);
return NULL;
}
n = newnexus (GREPaction);
n = newnexus (GREPaction);
n->n_header = 0;
if (!(cp = nxtarg ())) {/* allow -xyz arguments */
- padvise (NULL, "missing argument to %s", argp[-2]);
+ pinform("missing argument to %s", argp[-2]);
free (n);
return NULL;
}
dp = cp;
pattern: ;
if (!gcompile (n, dp)) {
- padvise (NULL, "pattern error in %s %s", argp[-2], cp);
+ pinform("pattern error in %s %s", argp[-2], cp);
free (n);
return NULL;
}
return n;
case PROTHR:
- padvise (NULL, "internal error!");
+ pinform("internal error!");
return NULL;
case PRDATF:
if (!(datesw = nxtarg ()) || *datesw == '-') {
- padvise (NULL, "missing argument to %s", argp[-2]);
+ pinform("missing argument to %s", argp[-2]);
return NULL;
}
return nexp3 ();
case PRAFTR:
case PRBEFR:
if (!(cp = nxtarg ())) {/* allow -xyz arguments */
- padvise (NULL, "missing argument to %s", argp[-2]);
+ pinform("missing argument to %s", argp[-2]);
return NULL;
}
n = newnexus (TWSaction);
n->n_datef = datesw;
if (!tcompile (cp, &n->n_tws, n->n_after = i == PRAFTR)) {
- padvise (NULL, "unable to parse %s %s", argp[-2], cp);
+ pinform("unable to parse %s %s", argp[-2], cp);
free (n);
return NULL;
}
static struct nexus *
-newnexus (int (*action)())
+newnexus(int (*action)(struct nexus *n, FILE *fp, int msgnum,
+ long start, long stop))
{
struct nexus *p;
}
-#define args(a) a, fp, msgnum, start, stop
-#define params args (n)
-#define plist \
- struct nexus *n; \
- FILE *fp; \
- int msgnum; \
- long start, \
- stop;
-
int
pmatches (FILE *fp, int msgnum, long start, long stop, int debug)
{
if (!talked++ && debug)
PRaction (head, 0);
- return (*head->n_action) (args (head));
+ return (*head->n_action)(head, fp, msgnum, start, stop);
}
dasctime (&n->n_tws, TW_NULL));
return;
}
- fprintf (stderr, "UNKNOWN(0x%x)\n",
- (unsigned int)(unsigned long) (*n->n_action));
+ fprintf(stderr, "UNKNOWN(%#llx)\n", (unsigned long long)n->n_action);
}
static int
-ORaction (params)
-plist
+ORaction(struct nexus *n, FILE *fp, int msgnum, long start, long stop)
{
- if ((*n->n_L_child->n_action) (args (n->n_L_child)))
+ if ((*n->n_L_child->n_action)(n->n_L_child, fp, msgnum, start, stop))
return 1;
- return (*n->n_R_child->n_action) (args (n->n_R_child));
+ return (*n->n_R_child->n_action)(n->n_R_child, fp, msgnum, start, stop);
}
static int
-ANDaction (params)
-plist
+ANDaction(struct nexus *n, FILE *fp, int msgnum, long start, long stop)
{
- if (!(*n->n_L_child->n_action) (args (n->n_L_child)))
+ if (!(*n->n_L_child->n_action)(n->n_L_child, fp, msgnum, start, stop))
return 0;
- return (*n->n_R_child->n_action) (args (n->n_R_child));
+ return (*n->n_R_child->n_action)(n->n_R_child, fp, msgnum, start, stop);
}
static int
-NOTaction (params)
-plist
+NOTaction(struct nexus *n, FILE *fp, int msgnum, long start, long stop)
{
- return (!(*n->n_L_child->n_action) (args (n->n_L_child)));
+ return (!(*n->n_L_child->n_action)(n->n_L_child, fp, msgnum, start, stop));
}
case '\\':
if ((c = *sp++) == '\0')
goto cerror;
+ /* FALLTHRU */
defchar:
default:
*ep++ = CCHR;
static int
-GREPaction (params)
-plist
+GREPaction(struct nexus *n, FILE *fp, int msgnum, long start, long stop)
{
int c, body, lf;
long pos = start;
--p2;
break;
}
- else
- lf = 0;
+ lf = 0;
}
if (c == '\n') {
if (body)
break;
- else {
- if (lf) {
- body++;
- break;
- }
- lf++;
- /* Unfold by skipping the newline. */
- c = 0;
- }
+ if (lf) {
+ body++;
+ break;
+ }
+ lf++;
+ /* Unfold by skipping the newline. */
+ c = 0;
}
if (c && p1 < &linebuf[LBSIZE - 1])
*p1++ = c;
return 0;
default:
- admonish (NULL, "advance() botch -- you lose big");
+ inform("advance() botch -- you lose big, continuing...");
return 0;
}
}
if ((tw = tws_parse (ap, isafter)) == NULL)
return 0;
- twscopy (tb, tw);
+ *tb = *tw;
return 1;
}
static int
-TWSaction (params)
-plist
+TWSaction(struct nexus *n, FILE *fp, int msgnum, long start, long stop)
{
int state;
char *bp;
- char buf[BUFSIZ], name[NAMESZ];
+ char buf[NMH_BUFSIZ], name[NAMESZ];
struct tws *tw;
- m_getfld_state_t gstate = 0;
+ m_getfld_state_t gstate;
NMH_UNUSED (stop);
fseek (fp, start, SEEK_SET);
+ gstate = m_getfld_state_init(fp);
for (bp = NULL;;) {
int bufsz = sizeof buf;
- switch (state = m_getfld (&gstate, name, buf, &bufsz, fp)) {
+ switch (state = m_getfld2(&gstate, name, buf, &bufsz)) {
case FLD:
case FLDPLUS:
- mh_xfree(bp);
- bp = add (buf, NULL);
+ free(bp);
+ bp = mh_xstrdup(buf);
while (state == FLDPLUS) {
bufsz = sizeof buf;
- state = m_getfld (&gstate, name, buf, &bufsz, fp);
+ state = m_getfld2(&gstate, name, buf, &bufsz);
bp = add (buf, bp);
}
if (!strcasecmp (name, n->n_datef))
case LENERR:
case FMTERR:
if (state == LENERR || state == FMTERR)
- advise (NULL, "format error in message %d", msgnum);
- mh_xfree(bp);
+ inform("format error in message %d", msgnum);
+ free(bp);
return 0;
default:
m_getfld_state_destroy (&gstate);
if ((tw = dparsetime (bp)) == NULL)
- advise (NULL, "unable to parse %s field in message %d, matching...",
+ inform("unable to parse %s field in message %d, matching...",
n->n_datef, msgnum), state = 1;
else
state = n->n_after ? (twsort (tw, &n->n_tws) > 0)
: (twsort (tw, &n->n_tws) < 0);
- mh_xfree(bp);
+ free(bp);
return state;
}
projects / nmh / blobdiff