Compare character with EOF using signed comparison because

[nmh] / uip / mhparse.c

diff --git a/uip/mhparse.c b/uip/mhparse.c
index 0d8bf41fa098f08a20973ec81ade31a8dc71468d..59f8b2218344ed55b3b42625c4b40c4ce347aa7e 100644 (file)
--- a/uip/mhparse.c
+++ b/uip/mhparse.c
@@ -838,7 +838,7 @@ magic_skip:
             if (ct->c_dispo_type &&
                !get_param(ct->c_dispo_first, "filename", '_', 1)) {
                add_param(&ct->c_dispo_first, &ct->c_dispo_last, "filename",
-                         r1bindex(ci->ci_magic, '/'));
+                         r1bindex(ci->ci_magic, '/'), 0);
            }
         }
        else
@@ -3414,7 +3414,7 @@ parse_header_attrs (const char *filename, const char *fieldname,
             * length so we can allocate the correct buffer size.
             */
 
-           for (len = 0; istoken(*vp); vp++) {
+           for (vp = dp, len = 0; istoken(*vp); vp++) {
                if (*vp == '%') {
                     if (*(vp + 1) == '\0' ||
                                !isxdigit((unsigned char) *(vp + 1)) ||
@@ -3590,9 +3590,7 @@ bad_quote:
                pp->lang = lang;
            }
        } else {
-           pm = add_param(param_head, param_tail, nameptr, valptr);
-           free(nameptr);
-           free(valptr);
+           pm = add_param(param_head, param_tail, nameptr, valptr, 1);
            pm->pm_charset = charset;
            pm->pm_lang = lang;
        }
@@ -3637,11 +3635,9 @@ bad_quote:
 
        p[tlen] = '\0';
 
-       pm = add_param(param_head, param_tail, pp->name, p);
+       pm = add_param(param_head, param_tail, pp->name, p, 1);
        pm->pm_charset = pp->charset;
        pm->pm_lang = pp->lang;
-       free(pp->name);
-       free(p);
        pp2 = pp->next;
        free(pp);
        pp = pp2;
@@ -3651,6 +3647,25 @@ bad_quote:
     return OK;
 }
 
+/*
+ * Return the charset for a particular content type.  Return pointer is
+ * only valid until the next call to content_charset().
+ */
+
+char *
+content_charset (CT ct) {
+    static char *ret_charset = NULL;
+
+    if (ret_charset != NULL) {
+       free(ret_charset);
+    }
+
+    ret_charset = get_param(ct->c_ctinfo.ci_first_pm, "charset", '?', 0);
+
+    return ret_charset ? ret_charset : "US-ASCII";
+}
+
+
 /*
  * Create a string based on a list of output parameters.  Assume that this
  * parameter string will be appended to an existing header, so start out
@@ -4058,14 +4073,14 @@ normal_param(PM pm, char *output, size_t len, size_t valuelen,
  */
 
 PM
-add_param(PM *first, PM *last, const char *name, const char *value)
+add_param(PM *first, PM *last, char *name, char *value, int nocopy)
 {
     PM pm = mh_xmalloc(sizeof(*pm));
 
     memset(pm, 0, sizeof(*pm));
 
-    pm->pm_name = getcpy(name);
-    pm->pm_value = getcpy(value);
+    pm->pm_name = nocopy ? name : getcpy(name);
+    pm->pm_value = nocopy ? value : getcpy(value);
 
     if (*first) {
        (*last)->pm_next = pm;
@@ -4078,6 +4093,33 @@ add_param(PM *first, PM *last, const char *name, const char *value)
     return pm;
 }
 
+/*
+ * Either replace a current parameter with a new value, or add the parameter
+ * to the parameter linked list.
+ */
+
+PM
+replace_param(PM *first, PM *last, char *name, char *value, int nocopy)
+{
+    PM pm;
+
+    for (pm = *first; pm != NULL; pm = pm->pm_next) {
+       if (strcasecmp(name, pm->pm_name) == 0) {
+           /*
+            * If nocopy is set, it's assumed that we own both name
+            * and value.  We don't need name, so we discard it now.
+            */
+           if (nocopy)
+               free(name);
+           free(pm->pm_value);
+           pm->pm_value = nocopy ? value : getcpy(value);
+           return pm;
+       }
+    }
+
+    return add_param(first, last, name, value, nocopy);
+}
+
 /*
  * Retrieve a parameter value from a parameter linked list.  If the parameter
  * value needs converted to the local character set, do that now.
@@ -4113,7 +4155,10 @@ char *get_param_value(PM pm, char replace)
     int utf8;
     iconv_t cd;
     ICONV_CONST char *p;
+#else /* HAVE_ICONV */
+    char *p;
 #endif /* HAVE_ICONV */
+
     char *q;
 
     /*
@@ -4188,9 +4233,10 @@ char *get_param_value(PM pm, char replace)
     *q = '\0';
 
     return buffer;
-#endif /* HAVE_ICONV */
 
 noiconv:
+#endif /* HAVE_ICONV */
+
     /*
      * Take everything non-ASCII and substituite the replacement character
      */