fixed -Wmaybe-uninitialized for *line

[smdp.git] / parser.c

diff --git a/parser.c b/parser.c
index 3346634..9c5d628 100644 (file)
--- a/parser.c
+++ b/parser.c
@@ -1,3 +1,26 @@
+/*
+ * Functions necessary to parse a file and transform its content into
+ * a deck of slides containing lines. All based on markdown formating
+ * rules.
+ * Copyright (C) 2014 Michael Goehler
+ *
+ * This file is part of mdp.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -16,7 +39,7 @@ deck_t *markdown_load(FILE *input) {
 
     deck_t *deck = new_deck();
     slide_t *slide = new_slide();
-    line_t *line;
+    line_t *line = NULL;
     cstring_t *text = cstring_init();
 
     // assign first slide to deck
@@ -110,7 +133,7 @@ deck_t *markdown_load(FILE *input) {
 
             }
 
-        } else if(isprint(c) || isspace(c)) {
+        } else if(isprint(c) || isspace((unsigned char) c)) {
 
             // add char to line
             (text->expand)(text, c);
@@ -212,7 +235,7 @@ int markdown_analyse(cstring_t *text) {
     offset = next_nonblank(text, 0);
 
     // strip trailing spaces
-    for(eol = text->size; eol > offset && isspace(text->text[eol - 1]); eol--);
+    for(eol = text->size; eol > offset && isspace((unsigned char) text->text[eol - 1]); eol--);
 
     // IS_CODE
     if(offset >= CODE_INDENT) {
@@ -357,14 +380,14 @@ int length_utf8(char ch) {
 }
 
 int next_nonblank(cstring_t *text, int i) {
-    while ((i < text->size) && isspace((text->text)[i]))
+    while ((i < text->size) && isspace((unsigned char) (text->text)[i]))
         ++i;
 
     return i;
 }
 
 int next_blank(cstring_t *text, int i) {
-    while ((i < text->size) && !isspace((text->text)[i]))
+    while ((i < text->size) && !isspace((unsigned char) (text->text)[i]))
         ++i;
 
     return i;