-
-/*
- * fmt_scan.c -- format string interpretation
+/* fmt_scan.c -- format string interpretation
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
#include <h/fmt_scan.h>
#include <h/tws.h>
#include <h/fmt_compile.h>
+#include <h/utils.h>
+#include "unquote.h"
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# include <wchar.h>
#endif
-extern char *formataddr (); /* hook for custom address formatting */
-extern char *concataddr (); /* address formatting but allowing duplicates */
-
-#ifdef LBL
-struct msgs *fmt_current_folder; /* current folder (set by main program) */
-#endif
-
-extern int fmt_norm; /* defined in sbr/fmt_def.c = AD_NAME */
struct mailname fmt_mnull = { NULL, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0,
NULL, NULL };
/*
* static prototypes
*/
-static int match (char *, char *);
+static int match (char *, char *) PURE;
static char *get_x400_friendly (char *, char *, int);
static int get_x400_comp (char *, char *, char *, int);
int c1, c2;
char *s1, *s2;
-#ifdef LOCALE
- while ((c1 = *sub)) {
- c1 = (isalpha(c1) && isupper(c1)) ? tolower(c1) : c1;
- while ((c2 = *str++) && c1 != ((isalpha(c2) && isupper(c2)) ? tolower(c2) : c2))
- ;
- if (! c2)
- return 0;
- s1 = sub + 1; s2 = str;
- while ((c1 = *s1++) && ((isalpha(c1) && isupper(c1)) ? tolower(c1) : c1) == ((isalpha(c2 =*s2++) && isupper(c2)) ? tolower(c2) : c2))
- ;
- if (! c1)
- return 1;
- }
-#else
while ((c1 = *sub)) {
- while ((c2 = *str++) && (c1 | 040) != (c2 | 040))
+ c1 = tolower((unsigned char)c1);
+ while ((c2 = *str++) && c1 != tolower((unsigned char)c2))
;
if (! c2)
return 0;
s1 = sub + 1; s2 = str;
- while ((c1 = *s1++) && (c1 | 040) == (*s2++ | 040))
+ while ((c1 = *s1++) &&
+ tolower((unsigned char)c1) == tolower((unsigned char)(c2 = *s2++)))
;
if (! c1)
return 1;
}
-#endif
return 1;
}
/*
* copy a number to the destination subject to a maximum width
*/
-static void
-cpnumber(char **dest, int num, unsigned int wid, char fill, size_t n) {
- int i, c;
- char *sp;
- char *cp = *dest;
- char *ep = cp + n;
-
- if (cp + wid < ep) {
- if ((i = (num)) < 0)
- i = -(num);
- if ((c = (wid)) < 0)
- c = -c;
- sp = cp + c;
+void
+cpnumber(charstring_t dest, int num, int wid, char fill, size_t max) {
+ /* Maybe we should handle left padding at some point? */
+ if (wid == 0)
+ return;
+ if (wid < 0)
+ wid = -wid; /* OK because wid originally a short. */
+ if ((size_t)wid < (num >= 0 ? max : max-1)) {
+ /* Build up the string representation of num in reverse. */
+ charstring_t rev = charstring_create (0);
+ int i = num >= 0 ? num : -num;
+
do {
- *--sp = (i % 10) + '0';
+ charstring_push_back (rev, i % 10 + '0');
i /= 10;
- } while (i > 0 && sp > cp);
- if (i > 0)
- *sp = '?';
- else if ((num) < 0 && sp > cp)
- *--sp = '-';
- while (sp > cp)
- *--sp = fill;
- cp += c;
+ } while (--wid > 0 && i > 0);
+ if (i > 0) {
+ /* Overflowed the field (wid). */
+ charstring_push_back (rev, '?');
+ } else if (num < 0 && wid > 0) {
+ /* Shouldn't need the wid > 0 check, that's why the condition
+ at the top checks wid < max-1 when num < 0. */
+ --wid;
+ if (fill == ' ') {
+ charstring_push_back (rev, '-');
+ }
+ }
+ while (wid-- > 0 && fill != 0) {
+ charstring_push_back (rev, fill);
+ }
+ if (num < 0 && fill == '0') {
+ charstring_push_back (rev, '-');
+ }
+
+ {
+ /* Output the string in reverse. */
+ size_t b = charstring_bytes (rev);
+ const char *cp = b ? &charstring_buffer (rev)[b] : NULL;
+
+ for (; b > 0; --b) {
+ charstring_push_back (dest, *--cp);
+ }
+ }
+
+ charstring_free (rev);
}
- *dest = cp;
}
/*
- * copy string from str to dest padding with the fill character to a size
- * of wid characters. if wid is negative, the string is right aligned
- * no more than n bytes are copied
+ * copy string from str to dest padding with the fill character to a
+ * size of wid characters. if wid is negative, the string is right
+ * aligned no more than max characters are copied
*/
-static void
-cptrimmed(char **dest, char *str, unsigned int wid, char fill, size_t n) {
+void
+cptrimmed(charstring_t dest, char *str, int wid, char fill, size_t max) {
int remaining; /* remaining output width available */
- int c, ljust;
- int end; /* number of input bytes remaining in str */
+ int rjust;
+ struct charstring *trimmed;
+ size_t end; /* number of input bytes remaining in str */
#ifdef MULTIBYTE_SUPPORT
int char_len; /* bytes in current character */
int w;
wchar_t wide_char;
+ char *altstr = NULL;
#endif
char *sp; /* current position in source string */
- char *cp = *dest; /* current position in destination string */
- char *ep = cp + n; /* end of destination buffer */
int prevCtrl = 1;
/* get alignment */
- ljust = 0;
- if ((remaining = (wid)) < 0) {
+ rjust = 0;
+ if ((remaining = wid) < 0) {
remaining = -remaining;
- ljust++;
+ rjust++;
}
- if ((sp = (str))) {
- mbtowc(NULL, NULL, 0); /* reset shift state */
+ if (remaining > (int) max) { remaining = max; }
+
+ trimmed = rjust ? charstring_create(remaining) : dest;
+
+ if ((sp = str)) {
+#ifdef MULTIBYTE_SUPPORT
+ if (mbtowc(NULL, NULL, 0)) {} /* reset shift state */
+#endif
end = strlen(str);
while (*sp && remaining > 0 && end > 0) {
#ifdef MULTIBYTE_SUPPORT
char_len = mbtowc(&wide_char, sp, end);
- if (char_len <= 0 || (cp + char_len > ep))
+
+ /*
+ * See the relevant comments in cpstripped() to explain what's
+ * going on here; we want to handle the case where we get
+ * characters that mbtowc() cannot handle
+ */
+
+ if (char_len < 0) {
+ altstr = "?";
+ char_len = mbtowc(&wide_char, altstr, 1);
+ }
+
+ if (char_len <= 0) {
+ break;
+ }
+
+ w = wcwidth(wide_char);
+
+ /* If w > remaining, w must be positive. */
+ if (w > remaining) {
break;
+ }
end -= char_len;
if (iswcntrl(wide_char) || iswspace(wide_char)) {
sp += char_len;
#else
+ int c;
end--;
/* isnctrl(), etc., take an int argument. Cygwin's ctype.h
intentionally warns if they are passed a char. */
- int c = *sp;
+ c = (unsigned char) *sp;
if (iscntrl(c) || isspace(c)) {
sp++;
#endif
if (!prevCtrl) {
- *cp++ = ' ';
+ charstring_push_back (trimmed, ' ');
remaining--;
}
prevCtrl = 0;
#ifdef MULTIBYTE_SUPPORT
- w = wcwidth(wide_char);
if (w >= 0 && remaining >= w) {
- strncpy(cp, sp, char_len);
- cp += char_len;
+ charstring_push_back_chars (trimmed, altstr ? altstr : sp,
+ char_len, w);
remaining -= w;
+ altstr = NULL;
}
sp += char_len;
#else
- *cp++ = *sp++;
+ charstring_push_back (trimmed, *sp++);
remaining--;
#endif
}
}
- if (ljust) {
- if (cp + remaining > ep)
- remaining = ep - cp;
- ep = cp + remaining;
- if (remaining > 0) {
- /* copy string to the right */
- while (--cp >= *dest)
- *(cp + remaining) = *cp;
- /* add padding at the beginning */
- cp += remaining;
- for (c=remaining; c>0; c--)
- *cp-- = fill;
- }
- *dest = ep;
- } else {
- /* pad remaining space */
- while (remaining-- > 0 && cp < ep)
- *cp++ = fill;
- *dest = cp;
+ while (remaining-- > 0) {
+ charstring_push_back(dest, fill);
+ }
+
+ if (rjust) {
+ charstring_append(dest, trimmed);
+ charstring_free(trimmed);
}
}
+#ifdef MULTIBYTE_SUPPORT
static void
-cpstripped (char **start, char *end, char *str)
+cpstripped (charstring_t dest, size_t max, char *str)
{
+ static bool deja_vu;
+ static char *oddchar;
+ static size_t oddlen;
+ static char *spacechar;
+ static size_t spacelen;
+ char *end;
+ bool squash;
+ char *src;
+ int srclen;
+ wchar_t rune;
+ int w;
+
+ if (!deja_vu) {
+ size_t two;
+
+ deja_vu = true;
+
+ two = MB_CUR_MAX * 2; /* Varies at run-time. */
+
+ oddchar = mh_xmalloc(two);
+ oddlen = wcstombs(oddchar, L"?", two);
+ assert(oddlen > 0);
+
+ assert(wcwidth(L' ') == 1); /* Need to pad in ones. */
+ spacechar = mh_xmalloc(two);
+ spacelen = wcstombs(spacechar, L" ", two);
+ assert(spacelen > 0);
+ }
+
+ if (!str)
+ return; /* It's unclear why no padding in this case. */
+ end = str + strlen(str);
+
+ if (mbtowc(NULL, NULL, 0))
+ {} /* Reset shift state. */
+
+ squash = true; /* Trim `space' or `cntrl' from the start. */
+ while (max) {
+ if (!*str)
+ return; /* It's unclear why no padding in this case. */
+
+ srclen = mbtowc(&rune, str, end - str);
+ if (srclen == -1) {
+ /* Invalid rune, or not enough bytes to finish it. */
+ rune = L'?';
+ src = oddchar;
+ srclen = oddlen;
+ str++; /* Skip one byte. */
+ } else {
+ src = str;
+ str += srclen;
+ }
+
+ if (iswspace(rune) || iswcntrl(rune)) {
+ if (squash)
+ continue; /* Amidst a run of these. */
+ rune = L' ';
+ src = spacechar;
+ srclen = spacelen;
+ squash = true;
+ } else
+ squash = false;
+
+ w = wcwidth(rune);
+ if (w == -1) {
+ rune = L'?';
+ w = wcwidth(rune);
+ assert(w != -1);
+ src = oddchar;
+ srclen = oddlen;
+ }
+
+ if ((size_t)w > max) {
+ /* No room for rune; pad. */
+ while (max--)
+ charstring_push_back_chars(dest, spacechar, spacelen, 1);
+ return;
+ }
+
+ charstring_push_back_chars(dest, src, srclen, w);
+ max -= w;
+ }
+}
+#endif
+
+#ifndef MULTIBYTE_SUPPORT
+static void
+cpstripped (charstring_t dest, size_t max, char *str)
+{
+ bool squash;
int c;
- char *s = str;
- if (!s)
+ if (!str)
return;
- /* skip any initial control characters or spaces */
- while ((c = (unsigned char) *s) &&
-#ifdef LOCALE
- (iscntrl(c) || isspace(c)))
-#else
- (c <= 32))
-#endif
- s++;
-
- /* compact repeated control characters and spaces into a single space */
- while((c = (unsigned char) *s++) && *start < end)
- if (!iscntrl(c) && !isspace(c))
- *(*start)++ = c;
- else {
- while ((c = (unsigned char) *s) &&
-#ifdef LOCALE
- (iscntrl(c) || isspace(c)))
-#else
- (c <= 32))
-#endif
- s++;
- *(*start)++ = ' ';
- }
+ squash = true; /* Strip leading cases. */
+ while (max--) {
+ c = (unsigned char)*str++;
+ if (!c)
+ return;
+
+ if (isspace(c) || iscntrl(c)) {
+ if (squash)
+ continue;
+ c = ' ';
+ squash = true;
+ } else
+ squash = false;
+
+ charstring_push_back(dest, (char)c);
+ }
}
+#endif
static char *lmonth[] = { "January", "February","March", "April",
"May", "June", "July", "August",
}
struct format *
-fmt_scan (struct format *format, char *scanl, int width, int *dat)
+fmt_scan (struct format *format, charstring_t scanlp, int width, int *dat,
+ struct fmt_callbacks *callbacks)
{
- char *cp, *ep;
- unsigned char *sp;
- char *savestr = NULL;
- unsigned char *str = NULL;
- char buffer[BUFSIZ], buffer2[BUFSIZ];
- int i, c, ljust, n;
- int value = 0;
+ char *sp;
+ char *savestr, *str;
+ char buffer[NMH_BUFSIZ], buffer2[NMH_BUFSIZ];
+ int i, c, rjust;
+ int value;
time_t t;
+ size_t max;
struct format *fmt;
struct comp *comp;
struct tws *tws;
struct mailname *mn;
- cp = scanl;
- ep = scanl + width - 1;
+ /*
+ * max is the same as width, but unsigned so comparisons
+ * with charstring_chars() won't raise compile warnings.
+ */
+ max = width;
+ savestr = str = NULL;
+ value = 0;
for (fmt = format; fmt->f_type != FT_DONE; fmt++)
switch (fmt->f_type) {
case FT_PARSEDATE:
fmt->f_comp->c_flags &= ~CF_PARSED;
break;
+ case FT_COMP:
+ case FT_COMPF:
+ case FT_LS_COMP:
+ case FT_LS_DECODECOMP:
+ /*
+ * Trim these components of any newlines.
+ *
+ * But don't trim the "body" and "text" components.
+ */
+
+ comp = fmt->f_comp;
+
+ if (! (comp->c_flags & CF_TRIMMED) && comp->c_text &&
+ (i = strlen(comp->c_text)) > 0) {
+ if (comp->c_text[i - 1] == '\n' &&
+ strcmp(comp->c_name, "body") != 0 &&
+ strcmp(comp->c_name, "text") != 0)
+ comp->c_text[i - 1] = '\0';
+ comp->c_flags |= CF_TRIMMED;
+ }
+ break;
}
fmt = format;
- while (cp < ep) {
+ for ( ; charstring_chars (scanlp) < max; ) {
switch (fmt->f_type) {
case FT_COMP:
- cpstripped (&cp, ep, fmt->f_comp->c_text);
+ cpstripped (scanlp, max - charstring_chars (scanlp),
+ fmt->f_comp->c_text);
break;
case FT_COMPF:
- cptrimmed (&cp, fmt->f_comp->c_text, fmt->f_width, fmt->f_fill, ep - cp);
+ cptrimmed (scanlp, fmt->f_comp->c_text, fmt->f_width,
+ fmt->f_fill, max - charstring_chars (scanlp));
break;
case FT_LIT:
sp = fmt->f_text;
- while( (c = *sp++) && cp < ep)
- *cp++ = c;
+ while ((c = *sp++) && charstring_chars (scanlp) < max) {
+ charstring_push_back (scanlp, c);
+ }
break;
case FT_LITF:
sp = fmt->f_text;
- ljust = 0;
+ rjust = 0;
i = fmt->f_width;
if (i < 0) {
i = -i;
- ljust++; /* XXX should do something with this */
+ rjust++; /* XXX should do something with this */
+ }
+ while ((c = *sp++) && --i >= 0 && charstring_chars (scanlp) < max) {
+ charstring_push_back (scanlp, c);
+ }
+ while (--i >= 0 && charstring_chars (scanlp) < max) {
+ charstring_push_back (scanlp, fmt->f_fill);
}
- while( (c = *sp++) && --i >= 0 && cp < ep)
- *cp++ = c;
- while( --i >= 0 && cp < ep)
- *cp++ = fmt->f_fill;
break;
case FT_STR:
- cpstripped (&cp, ep, str);
+ cpstripped (scanlp, max - charstring_chars (scanlp), str);
break;
case FT_STRF:
- cptrimmed (&cp, str, fmt->f_width, fmt->f_fill, ep - cp);
+ cptrimmed (scanlp, str, fmt->f_width, fmt->f_fill,
+ max - charstring_chars (scanlp));
break;
case FT_STRLIT:
- sp = str;
- while ((c = *sp++) && cp < ep)
- *cp++ = c;
+ if (str) {
+ sp = str;
+ while ((c = *sp++) && charstring_chars (scanlp) < max) {
+ charstring_push_back (scanlp, c);
+ }
+ }
+ break;
+ case FT_STRLITZ:
+ if (str) charstring_push_back_chars (scanlp, str, strlen (str), 0);
break;
case FT_STRFW:
adios (NULL, "internal error (FT_STRFW)");
- case FT_NUM:
- n = snprintf(cp, ep - cp + 1, "%d", value);
- if (n >= 0) {
- if (n >= ep - cp) {
- cp = ep;
- } else
- cp += n;
+ case FT_NUM: {
+ int num = value;
+ unsigned int wid;
+
+ for (wid = num <= 0; num; ++wid, num /= 10) {}
+ cpnumber (scanlp, value, wid, ' ',
+ max - charstring_chars (scanlp));
+ break;
+ }
+ case FT_LS_KILO:
+ case FT_LS_KIBI:
+ {
+ char *unitcp;
+ unsigned int whole, tenths;
+ unsigned int scale = 0;
+ unsigned int val = (unsigned int)value;
+ char *kibisuff = NULL;
+
+ switch (fmt->f_type) {
+ case FT_LS_KILO: scale = 1000; kibisuff = ""; break;
+ case FT_LS_KIBI: scale = 1024; kibisuff = "i"; break;
+ }
+
+ if (val < scale) {
+ snprintf(buffer, sizeof(buffer), "%u", val);
+ } else {
+ /* To prevent divide by 0, found by clang static
+ analyzer. */
+ if (scale == 0) { scale = 1; }
+
+ /* find correct scale for size (Kilo/Mega/Giga/Tera) */
+ for (unitcp = "KMGT"; val > (scale * scale); val /= scale) {
+ if (!*++unitcp)
+ break;
+ }
+
+ if (!*unitcp) {
+ strcpy(buffer, "huge");
+ } else {
+ /* val is scale times too big. we want tenths */
+ val *= 10;
+
+ /* round up */
+ val += (scale - 1);
+ val /= scale;
+
+ whole = val / 10;
+ tenths = val - (whole * 10);
+
+ if (tenths) {
+ snprintf(buffer, sizeof(buffer), "%u.%u%c%s",
+ whole, tenths, *unitcp, kibisuff);
+ } else {
+ snprintf(buffer, sizeof(buffer), "%u%c%s",
+ whole, *unitcp, kibisuff);
+ }
+ }
+ }
+ str = buffer;
}
break;
case FT_NUMF:
- cpnumber (&cp, value, fmt->f_width, fmt->f_fill, ep - cp);
+ cpnumber (scanlp, value, fmt->f_width, fmt->f_fill,
+ max - charstring_chars (scanlp));
break;
case FT_CHAR:
- *cp++ = fmt->f_char;
+ charstring_push_back (scanlp, fmt->f_char);
break;
case FT_DONE:
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
goto finished;
case FT_IF_S:
if (!(value = (str && *str))) {
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
}
case FT_IF_S_NULL:
if (!(value = (str == NULL || *str == 0))) {
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
}
case FT_IF_V_EQ:
if (value != fmt->f_value) {
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
}
case FT_IF_V_NE:
if (value == fmt->f_value) {
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
}
case FT_IF_V_GT:
if (value <= fmt->f_value) {
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
}
case FT_IF_MATCH:
if (!(value = (str && match (str, fmt->f_text)))) {
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
}
case FT_IF_AMATCH:
if (!(value = (str && uprf (str, fmt->f_text)))) {
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
}
break;
case FT_GOTO:
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt += fmt->f_skip;
continue;
case FT_LS_TRIM:
if (str) {
- unsigned char *xp;
+ char *xp;
- strncpy(buffer, str, sizeof(buffer));
+ if (str != buffer)
+ strncpy(buffer, str, sizeof(buffer));
buffer[sizeof(buffer)-1] = '\0';
str = buffer;
- while (isspace(*str))
+ while (isspace((unsigned char) *str))
str++;
- ljust = 0;
+ rjust = 0;
if ((i = fmt->f_width) < 0) {
i = -i;
- ljust++;
+ rjust++;
}
- if (!ljust && i > 0 && (int) strlen(str) > i)
+ if (!rjust && i > 0 && (int) strlen(str) > i)
str[i] = '\0';
xp = str;
xp += strlen(str) - 1;
- while (xp > str && isspace(*xp))
+ while (xp > str && isspace((unsigned char) *xp))
*xp-- = '\0';
- if (ljust && i > 0 && (int) strlen(str) > i)
+ if (rjust && i > 0 && (int) strlen(str) > i)
str += strlen(str) - i;
}
break;
value = 0;
break;
case FT_LV_CHAR_LEFT:
- value = width - (cp - scanl);
+ value = max - charstring_bytes (scanlp);
break;
case FT_LV_PLUS_L:
value += fmt->f_value;
case FT_LV_MINUS_L:
value = fmt->f_value - value;
break;
+ case FT_LV_MULTIPLY_L:
+ value *= fmt->f_value;
+ break;
case FT_LV_DIVIDE_L:
if (fmt->f_value)
- value = value / fmt->f_value;
+ value /= fmt->f_value;
else
value = 0;
break;
case FT_LV_MODULO_L:
if (fmt->f_value)
- value = value % fmt->f_value;
+ value %= fmt->f_value;
else
value = 0;
break;
case FT_LV_RCLOCK:
if ((value = fmt->f_comp->c_tws->tw_clock) == 0)
value = dmktime(fmt->f_comp->c_tws);
- value = time((time_t *) 0) - value;
+ value = time(NULL) - value;
break;
case FT_LV_DAYF:
if (!(((tws = fmt->f_comp->c_tws)->tw_flags) & (TW_SEXP|TW_SIMP)))
default:
value = -1; break;
}
+ break;
case FT_LV_ZONEF:
- if ((fmt->f_comp->c_tws->tw_flags & TW_SZONE) == TW_SZEXP)
+ if (fmt->f_comp->c_tws->tw_flags & TW_SZEXP)
value = 1;
else
value = -1;
break;
case FT_LV_DST:
- value = fmt->f_comp->c_tws->tw_flags & TW_DST;
+ value = fmt->f_comp->c_tws->tw_flags & TW_DST ? 1 : 0;
break;
case FT_LS_822DATE:
str = dasctime (fmt->f_comp->c_tws , TW_ZONE);
goto unfriendly;
if ((str = mn->m_pers) == NULL) {
if ((str = mn->m_note)) {
- strncpy (buffer, str, sizeof(buffer));
+ if (str != buffer)
+ strncpy (buffer, str, sizeof(buffer));
buffer[sizeof(buffer)-1] = '\0';
str = buffer;
if (*str == '(')
}
} else if (!(str = get_x400_friendly (mn->m_mbox,
buffer, sizeof(buffer)))) {
- unfriendly: ;
+ unfriendly:
switch (mn->m_type) {
case LOCALHOST:
str = mn->m_mbox;
/* UNQUOTEs RFC-2822 quoted-string and quoted-pair */
case FT_LS_UNQUOTE:
if (str) {
- int m;
- strncpy(buffer, str, sizeof(buffer));
+ if (str != buffer)
+ strncpy(buffer, str, sizeof(buffer));
/* strncpy doesn't NUL-terminate if it fills the buffer */
buffer[sizeof(buffer)-1] = '\0';
- str = buffer;
-
- /* we will parse from buffer to buffer2 */
- n = 0; /* n is the input position in str */
- m = 0; /* m is the ouput position in buffer2 */
-
- while ( str[n] != '\0') {
- switch ( str[n] ) {
- case '\\':
- n++;
- if ( str[n] != '\0')
- buffer2[m++] = str[n++];
- break;
- case '"':
- n++;
- break;
- default:
- buffer2[m++] = str[n++];
- break;
- }
- }
- buffer2[m] = '\0';
+ unquote_string(buffer, buffer2);
str = buffer2;
}
break;
*comp->c_tws = *tws;
comp->c_flags &= ~CF_TRUE;
} else if ((comp->c_flags & CF_DATEFAB) == 0) {
- memset ((char *) comp->c_tws, 0, sizeof *comp->c_tws);
+ ZERO(comp->c_tws);
comp->c_flags = CF_TRUE;
}
comp->c_flags |= CF_PARSED;
case FT_FORMATADDR:
/* hook for custom address list formatting (see replsbr.c) */
- str = formataddr (savestr, str);
+ if (callbacks && callbacks->formataddr)
+ str = callbacks->formataddr (savestr, str);
+ else
+ str = formataddr (savestr, str);
break;
case FT_CONCATADDR:
/* The same as formataddr, but doesn't do duplicate suppression */
- str = concataddr (savestr, str);
+ if (callbacks && callbacks->concataddr)
+ str = callbacks->concataddr (savestr, str);
+ else
+ str = concataddr (savestr, str);
break;
case FT_PUTADDR:
* (e.g., "To: ")
*/
{
- unsigned char *lp;
- char *lastb;
+ char *lp, *lastb;
int indent, wid, len;
lp = str;
wid = value;
- len = strlen (str);
+ len = str ? strlen (str) : 0;
sp = fmt->f_text;
indent = strlen (sp);
wid -= indent;
- while( (c = *sp++) && cp < ep)
- *cp++ = c;
+ if (wid <= 0) {
+ adios(NULL, "putaddr -- num register (%d) must be greater "
+ "than label width (%d)", value, indent);
+ }
+ while ((c = *sp++) && charstring_chars (scanlp) < max) {
+ charstring_push_back (scanlp, c);
+ }
while (len > wid) {
/* try to break at a comma; failing that, break at a
* space.
*/
lastb = 0; sp = lp + wid;
- while (sp > lp && (c = *--sp) != ',') {
+ while (sp > lp && (c = (unsigned char) *--sp) != ',') {
if (! lastb && isspace(c))
lastb = sp - 1;
}
if (sp == lp) {
if (! (sp = lastb)) {
sp = lp + wid - 1;
- while (*sp && *sp != ',' && !isspace(*sp))
+ while (*sp && *sp != ',' &&
+ !isspace((unsigned char) *sp))
sp++;
if (*sp != ',')
sp--;
}
}
len -= sp - lp + 1;
- while (cp < ep && lp <= sp)
- *cp++ = *lp++;
- while (isspace(*lp))
+ while (lp <= sp && charstring_chars (scanlp) < max) {
+ charstring_push_back (scanlp, *lp++);
+ }
+ while (isspace((unsigned char) *lp))
lp++, len--;
if (*lp) {
- if (cp < ep)
- *cp++ = '\n';
- for (i=indent; cp < ep && i > 0; i--)
- *cp++ = ' ';
+ if (charstring_chars (scanlp) < max) {
+ charstring_push_back (scanlp, '\n');
+ }
+ for (i=indent;
+ charstring_chars (scanlp) < max && i > 0;
+ i--)
+ charstring_push_back (scanlp, ' ');
}
}
- cpstripped (&cp, ep, lp);
+ cpstripped (scanlp, max - charstring_chars (scanlp), lp);
}
break;
if (comp->c_mn != &fmt_mnull)
mnfree (comp->c_mn);
if ((sp = comp->c_text) && (sp = getname(sp)) &&
- (mn = getm (sp, NULL, 0, fmt_norm, NULL))) {
+ (mn = getm (sp, NULL, 0, NULL, 0))) {
comp->c_mn = mn;
while (getname(""))
;
break;
case FT_MYMBOX:
+ case FT_GETMYMBOX:
+ case FT_GETMYADDR:
/*
* if there's no component, we say true. Otherwise we
* say "true" only if we can parse the address and it
if (comp->c_mn != &fmt_mnull)
mnfree (comp->c_mn);
if ((sp = comp->c_text) && (sp = getname(sp)) &&
- (mn = getm (sp, NULL, 0, AD_NAME, NULL))) {
+ (mn = getm (sp, NULL, 0, NULL, 0))) {
comp->c_mn = mn;
- if (ismymbox(mn))
+ if (ismymbox(mn)) {
comp->c_flags |= CF_TRUE;
- else
+ /* Set str for use with FT_GETMYMBOX. With
+ FT_GETMYADDR, comp->c_mn will be run through
+ FT_LS_ADDR, which will strip off any pers
+ name. */
+ str = mn->m_text;
+ } else {
comp->c_flags &= ~CF_TRUE;
+ }
while ((sp = getname(sp)))
if ((comp->c_flags & CF_TRUE) == 0 &&
- (mn = getm (sp, NULL, 0, AD_NAME, NULL)))
- if (ismymbox(mn))
+ (mn = getm (sp, NULL, 0, NULL, 0)))
+ if (ismymbox(mn)) {
comp->c_flags |= CF_TRUE;
+ /* Set str and comp->c_text for use with
+ FT_GETMYMBOX. With FT_GETMYADDR,
+ comp->c_mn will be run through
+ FT_LS_ADDR, which will strip off any
+ pers name. */
+ free (comp->c_text);
+ comp->c_text = str = strdup (mn->m_text);
+ comp->c_mn = mn;
+ }
+ comp->c_flags |= CF_PARSED;
} else {
while (getname("")) /* XXX */
;
if (comp->c_text == 0)
comp->c_flags |= CF_TRUE;
- else
+ else {
comp->c_flags &= ~CF_TRUE;
+ }
comp->c_mn = &fmt_mnull;
}
- break;
-
- case FT_ADDTOSEQ:
-#ifdef LBL
- /* If we're working on a folder (as opposed to a file), add the
- * current msg to sequence given in literal field. Don't
- * disturb string or value registers.
- */
- if (fmt_current_folder)
- seq_addmsg(fmt_current_folder, fmt->f_text, dat[0], -1);
-#endif
+ if ((comp->c_flags & CF_TRUE) == 0 &&
+ (fmt->f_type == FT_GETMYMBOX || fmt->f_type == FT_GETMYADDR)) {
+ /* Fool FT_LS_ADDR into not producing an address. */
+ comp->c_mn = &fmt_mnull; comp->c_text = NULL;
+ }
break;
}
+
+ /*
+ * Call our tracing callback function, if one was supplied
+ */
+
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
fmt++;
}
-#ifndef JLR
- finished:;
- if (cp[-1] != '\n')
- *cp++ = '\n';
- *cp = 0;
- return ((struct format *)0);
-#else /* JLR */
- if (cp[-1] != '\n')
- *cp++ = '\n';
- while (fmt->f_type != FT_DONE)
+
+ /* Emit any trailing sequences of zero display length. */
+ while (fmt->f_type != FT_DONE) {
+ if (fmt->f_type == FT_LS_LIT) {
+ str = fmt->f_text;
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
+ } else if (fmt->f_type == FT_STRLITZ) {
+ /* Don't want to emit part of an escape sequence. So if
+ there isn't enough room in the buffer for the entire
+ string, skip it completely. Need room for null
+ terminator, and maybe trailing newline (added below). */
+ if (str) {
+ for (sp = str; *sp; ++sp) {
+ charstring_push_back (scanlp, *sp);
+ }
+ }
+ if (callbacks && callbacks->trace_func)
+ callbacks->trace_func(callbacks->trace_context, fmt, value,
+ str, charstring_buffer (scanlp));
+ }
fmt++;
+ }
- finished:;
- *cp = '\0';
- return (fmt->f_value ? ++fmt : (struct format *) 0);
+ finished:
+ if (charstring_bytes (scanlp) > 0) {
+ /*
+ * Append a newline if the last character wasn't.
+ */
+#ifdef MULTIBYTE_SUPPORT
+ /*
+ * It's a little tricky because the last byte might be part of
+ * a multibyte character, in which case we assume that wasn't
+ * a newline.
+ */
+ size_t last_char_len = charstring_last_char_len (scanlp);
+#else /* ! MULTIBYTE_SUPPORT */
+ size_t last_char_len = 1;
+#endif /* ! MULTIBYTE_SUPPORT */
+
+ if (last_char_len > 1 ||
+ charstring_buffer (scanlp)[charstring_bytes (scanlp) - 1] != '\n') {
+ charstring_push_back (scanlp, '\n');
+ }
+ }
-#endif /* JLR */
+ return NULL;
}
projects / nmh / blobdiff