Merge pull request #4 from icjames/section_dump

Add ability to dump a single section from a dictionary to a loadable ini file.

src/iniparser.c

@@ -212,11 +212,9 @@ void iniparser_dump(dictionary * d, FILE * f)
 /*--------------------------------------------------------------------------*/
 void iniparser_dump_ini(dictionary * d, FILE * f)
 {
-    int     i, j ;
-    char    keym[ASCIILINESZ+1];
+    int     i ;
     int     nsec ;
     char *  secname ;
-    int     seclen ;
 
     if (d==NULL || f==NULL) return ;
 
@@ -232,18 +230,44 @@ void iniparser_dump_ini(dictionary * d, FILE * f)
     }
     for (i=0 ; i<nsec ; i++) {
         secname = iniparser_getsecname(d, i) ;
-        seclen  = (int)strlen(secname);
-        fprintf(f, "\n[%s]\n", secname);
-        sprintf(keym, "%s:", secname);
-        for (j=0 ; j<d->size ; j++) {
-            if (d->key[j]==NULL)
-                continue ;
-            if (!strncmp(d->key[j], keym, seclen+1)) {
-                fprintf(f,
-                        "%-30s = %s\n",
-                        d->key[j]+seclen+1,
-                        d->val[j] ? d->val[j] : "");
-            }
+        iniparser_dumpsection_ini(d, secname, f) ;
+    }
+    fprintf(f, "\n");
+    return ;
+}
+
+/*-------------------------------------------------------------------------*/
+/**
+  @brief    Save a dictionary section to a loadable ini file
+  @param    d   Dictionary to dump
+  @param    s   Section name of dictionary to dump
+  @param    f   Opened file pointer to dump to
+  @return   void
+
+  This function dumps a given section of a given dictionary into a loadable ini
+  file.  It is Ok to specify @c stderr or @c stdout as output files.
+ */
+/*--------------------------------------------------------------------------*/
+void iniparser_dumpsection_ini(dictionary * d, char * s, FILE * f)
+{
+    int     j ;
+    char    keym[ASCIILINESZ+1];
+    int     seclen ;
+
+    if (d==NULL || f==NULL) return ;
+    if (! iniparser_find_entry(d, s)) return ;
+
+    seclen  = (int)strlen(s);
+    fprintf(f, "\n[%s]\n", s);
+    sprintf(keym, "%s:", s);
+    for (j=0 ; j<d->size ; j++) {
+        if (d->key[j]==NULL)
+            continue ;
+        if (!strncmp(d->key[j], keym, seclen+1)) {
+            fprintf(f,
+                    "%-30s = %s\n",
+                    d->key[j]+seclen+1,
+                    d->val[j] ? d->val[j] : "");
         }
     }
     fprintf(f, "\n");

src/iniparser.h

@@ -88,6 +88,21 @@ char * iniparser_getsecname(dictionary * d, int n);
 
 void iniparser_dump_ini(dictionary * d, FILE * f);
 
+/*-------------------------------------------------------------------------*/
+/**
+  @brief    Save a dictionary section to a loadable ini file
+  @param    d   Dictionary to dump
+  @param    s   Section name of dictionary to dump
+  @param    f   Opened file pointer to dump to
+  @return   void
+
+  This function dumps a given section of a given dictionary into a loadable ini
+  file.  It is Ok to specify @c stderr or @c stdout as output files.
+ */
+/*--------------------------------------------------------------------------*/
+
+void iniparser_dumpsection_ini(dictionary * d, char * s, FILE * f);
+
 /*-------------------------------------------------------------------------*/
 /**
   @brief    Dump a dictionary to an opened file pointer.