tws.h: Remove zero-valued TW_SNIL macro, used once.

[nmh] / sbr / fmt_scan.c

diff --git a/sbr/fmt_scan.c b/sbr/fmt_scan.c
index ec60e1ba48bb633b50fe593c94f15331a72ab028..ef3ab1b1b8b975cff1c6bbfeab1bd11631659940 100644 (file)
--- a/sbr/fmt_scan.c
+++ b/sbr/fmt_scan.c
@@ -1,6 +1,4 @@
-
-/*
- * 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
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for


@@ -49,24 +47,14 @@ match (char *str, char *sub)
     char *s1, *s2;
 
     while ((c1 = *sub)) {
     char *s1, *s2;
 
     while ((c1 = *sub)) {

-       c1 = (isascii((unsigned char) c1) && isalpha((unsigned char) c1) &&
-             isupper((unsigned char) c1)) ? tolower((unsigned char) c1) : c1;
-       while ((c2 = *str++) && c1 != ((isascii((unsigned char) c2) &&
-                                       isalpha((unsigned char) c2) &&
-                                       isupper((unsigned char) c2)) ?
-                                           tolower((unsigned char) c2) : c2))
+       c1 = tolower((unsigned char)c1);
+       while ((c2 = *str++) && c1 != tolower((unsigned char)c2))

            ;
        if (! c2)
            return 0;
        s1 = sub + 1; s2 = str;
            ;
        if (! c2)
            return 0;
        s1 = sub + 1; s2 = str;

-       while ((c1 = *s1++) && ((isascii((unsigned char) c1) &&
-                                isalpha((unsigned char) c1) &&
-                                isupper((unsigned char) c1)) ?
-                                       tolower(c1) : c1) ==
-                       ((isascii((unsigned char) (c2 =*s2++)) &&
-                         isalpha((unsigned char) c2) &&
-                         isupper((unsigned char) c2)) ?
-                               tolower((unsigned char) c2) : c2))
+       while ((c1 = *s1++) &&
+            tolower((unsigned char)c1) == tolower((unsigned char)(c2 = *s2++)))

            ;
        if (! c1)
            return 1;
            ;
        if (! c1)
            return 1;


@@ -309,10 +297,20 @@ cpstripped (charstring_t dest, size_t max, char *str)
        prevCtrl = 0;
 
 #ifdef MULTIBYTE_SUPPORT
        prevCtrl = 0;
 
 #ifdef MULTIBYTE_SUPPORT

-       charstring_push_back_chars (dest, altstr ? altstr : str, char_len, w);
-        max -= w;
-       str += char_len;
-       altstr = NULL;
+       assert(w >= 0);
+       if (max >= (size_t) w) {
+           charstring_push_back_chars (dest, altstr ? altstr : str, char_len, w);
+           max -= w;
+           str += char_len;
+           altstr = NULL;
+       } else {
+           /* Not enough width available for the last character.  Output
+              space(s) to fill. */
+           while (max-- > 0) {
+               charstring_push_back (dest, ' ');
+           }
+           break;
+       }

 #else /* MULTIBYE_SUPPORT */
        charstring_push_back (dest, *str++);
         --max;
 #else /* MULTIBYE_SUPPORT */
        charstring_push_back (dest, *str++);
         --max;


@@ -374,7 +372,7 @@ fmt_scan (struct format *format, charstring_t scanlp, int width, int *dat,
 {
     char *sp;
     char *savestr, *str;
 {
     char *sp;
     char *savestr, *str;

-    char buffer[BUFSIZ], buffer2[BUFSIZ];
+    char buffer[NMH_BUFSIZ], buffer2[NMH_BUFSIZ];

     int i, c, rjust;
     int value;
     time_t t;
     int i, c, rjust;
     int value;
     time_t t;


@@ -696,7 +694,8 @@ fmt_scan (struct format *format, charstring_t scanlp, int width, int *dat,
            if (str) {
                    char *xp;
 
            if (str) {
                    char *xp;
 

-                   strncpy(buffer, str, sizeof(buffer));
+                   if (str != buffer)
+                       strncpy(buffer, str, sizeof(buffer));

                    buffer[sizeof(buffer)-1] = '\0';
                    str = buffer;
                    while (isspace((unsigned char) *str))
                    buffer[sizeof(buffer)-1] = '\0';
                    str = buffer;
                    while (isspace((unsigned char) *str))


@@ -834,7 +833,7 @@ fmt_scan (struct format *format, charstring_t scanlp, int width, int *dat,
            }
            break;
        case FT_LV_ZONEF:
            }
            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;
                    value = 1;
            else
                    value = -1;


@@ -889,7 +888,8 @@ fmt_scan (struct format *format, charstring_t scanlp, int width, int *dat,
                goto unfriendly;
            if ((str = mn->m_pers) == NULL) {
                if ((str = mn->m_note)) {
                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 == '(')
                    buffer[sizeof(buffer)-1] = '\0';
                    str = buffer;
                    if (*str == '(')


@@ -933,7 +933,8 @@ fmt_scan (struct format *format, charstring_t scanlp, int width, int *dat,
                /* UNQUOTEs RFC-2822 quoted-string and quoted-pair */
        case FT_LS_UNQUOTE:
            if (str) {          
                /* UNQUOTEs RFC-2822 quoted-string and quoted-pair */
        case FT_LS_UNQUOTE:
            if (str) {          

-               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';
                unquote_string(buffer, buffer2);
                /* strncpy doesn't NUL-terminate if it fills the buffer */
                buffer[sizeof(buffer)-1] = '\0';
                unquote_string(buffer, buffer2);


@@ -1182,5 +1183,5 @@ fmt_scan (struct format *format, charstring_t scanlp, int width, int *dat,
        }
     }
 
        }
     }
 

-    return ((struct format *)0);
+    return (NULL);

 }
 }