Carl Mummert: add unquote() function for removing quotes from RFC-2822 headers

[mmh] / sbr / fmt_scan.c

diff --git a/sbr/fmt_scan.c b/sbr/fmt_scan.c
index 357484b..7558eca 100644 (file)
--- a/sbr/fmt_scan.c
+++ b/sbr/fmt_scan.c
@@ -682,6 +682,38 @@ fmt_scan (struct format *format, char *scanl, int width, int *dat)
                  }
                }
            }
+           break;  
+
+
+               /* UNQUOTEs RFC-2822 quoted-string and quoted-pair */
+       case FT_LS_UNQUOTE:
+           if (str) {          
+               int m;
+               strncpy(buffer, str, sizeof(buffer));
+               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';
+               str = buffer2;
+            }
            break;
 
        case FT_LOCALDATE: