Add %(unmailto) format function for List-Post headers
[mmh] / sbr / fmt_scan.c
index 4a8da14..9ad7b8a 100644 (file)
@@ -4,6 +4,9 @@
 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
 ** COPYRIGHT file in the root directory of the nmh distribution for
 ** complete copyright information.
+**
+** This is the engine that processes the format instructions created by
+** fmt_compile (found in fmt_compile.c).
 */
 
 #include <h/mh.h>
 #include <h/fmt_scan.h>
 #include <h/tws.h>
 #include <h/fmt_compile.h>
+#include <ctype.h>
+#include <sysexits.h>
 
-#ifdef TIME_WITH_SYS_TIME
+#ifdef HAVE_SYS_TIME_H
 # include <sys/time.h>
-# include <time.h>
-#else
-# ifdef TM_IN_SYS_TIME
-#  include <sys/time.h>
-# else
-#  include <time.h>
-# endif
 #endif
+#include <time.h>
+
 #ifdef MULTIBYTE_SUPPORT
 #  include <wctype.h>
 #  include <wchar.h>
 #endif
 
-#define NFMTS MAXARGS
-
-extern char *formataddr();  /* hook for custom address formatting */
-
 extern int fmt_norm;  /* defined in sbr/fmt_def.c = AD_NAME */
 struct mailname fmt_mnull;
 
@@ -328,7 +324,7 @@ fmt_scan(struct format *format, char *scanl, int width, int *dat)
                        cptrimmed(&cp, str, fmt->f_width, fmt->f_fill, ep - cp);
                        break;
                case FT_STRFW:
-                       adios(NULL, "internal error (FT_STRFW)");
+                       adios(EX_SOFTWARE, NULL, "internal error (FT_STRFW)");
 
                case FT_NUM:
                        n = snprintf(cp, ep - cp + 1, "%d", value);
@@ -479,13 +475,13 @@ fmt_scan(struct format *format, char *scanl, int width, int *dat)
                                                ljust++;
                                }
 
-                               if (!ljust && i > 0 && strlen(str) > i)
+                               if (!ljust && i > 0 && (int)strlen(str) > i)
                                                str[i] = '\0';
                                xp = str;
                                xp += strlen(str) - 1;
                                while (xp > str && isspace(*xp))
                                                *xp-- = '\0';
-                               if (ljust && i > 0 && strlen(str) > i)
+                               if (ljust && i > 0 && (int)strlen(str) > i)
                                        str += strlen(str) - i;
                        }
                        break;
@@ -611,10 +607,8 @@ fmt_scan(struct format *format, char *scanl, int width, int *dat)
                        value = fmt->f_comp->c_tws->tw_flags & TW_DST;
                        break;
                case FT_LS_822DATE:
-                       str = dasctime(fmt->f_comp->c_tws , TW_ZONE);
-                       break;
                case FT_LS_PRETTY:
-                       str = dasctime(fmt->f_comp->c_tws, TW_NULL);
+                       str = dasctime(fmt->f_comp->c_tws);
                        break;
 
                case FT_LS_PERS:
@@ -678,20 +672,14 @@ fmt_scan(struct format *format, char *scanl, int width, int *dat)
                                        case LOCALHOST:
                                                str = mn->m_mbox;
                                                break;
-                                       case UUCPHOST:
-                                               snprintf(buffer, sizeof(buffer), "%s!%s",
-                                                       mn->m_host, mn->m_mbox);
-                                               str = buffer;
-                                               break;
                                        default:
                                                if (mn->m_mbox) {
-                                                       snprintf(buffer, sizeof(buffer), "%s@%s",
-                                                               mn->m_mbox, mn->m_host);
+                                                       snprintf(buffer, sizeof(buffer), "%s@%s", mn->m_mbox, mn->m_host);
                                                        str= buffer;
                                                } else
                                                        str = mn->m_text;
                                                break;
-                                 }
+                                       }
                                }
                        }
                        break;
@@ -700,32 +688,10 @@ fmt_scan(struct format *format, char *scanl, int width, int *dat)
                /* UNQUOTEs RFC-2822 quoted-string and quoted-pair */
                case FT_LS_UNQUOTE:
                        if (str) {
-                               int m;
                                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;
@@ -787,12 +753,18 @@ fmt_scan(struct format *format, char *scanl, int width, int *dat)
                        sp = fmt->f_text;
                        indent = strlen(sp);
                        wid -= indent;
+                       if (wid <= 0) {
+                               adios(EX_SOFTWARE, NULL, "putaddr -- num register (%d) "
+                                               "must be greater than label "
+                                               "width (%d)", value, indent);
+                       }
                        while( (c = *sp++) && cp < ep)
                                *cp++ = c;
                        while (len > wid) {
-                               /* try to break at a comma; failing that,
-                                * break at a space.
-                                */
+                               /*
+                               ** try to break at a comma; failing that,
+                               ** break at a space.
+                               */
                                lastb = 0; sp = lp + wid;
                                while (sp > lp && (c = *--sp) != ',') {
                                        if (! lastb && isspace(c))
@@ -874,6 +846,20 @@ fmt_scan(struct format *format, char *scanl, int width, int *dat)
                        }
                        break;
 
+               case FT_LS_UNMAILTO:
+                       if (!str) {
+                               break;
+                       }
+                       str = trim(str);
+                       if (*str == '<' && str[strlen(str)-1] == '>') {
+                               str++;
+                               str[strlen(str)-1] = '\0';
+                       }
+                       if (strncmp("mailto:", str, 7)==0) {
+                               str += 7;
+                       }
+                       break;
+
                }
                fmt++;
        }