various updates

[pkg/abook.git] / options.c

diff --git a/options.c b/options.c
index 2f6d0bbea61630782a972d2a2cff12516a15c124..4e65f5ac10d79e163167dcb0d9a68d4e458537e9 100644 (file)
--- a/options.c
+++ b/options.c
@@ -168,6 +168,10 @@ free_opts()
  * file parsing
  */
 
+typedef struct {
+       char *data, *ptr;
+} buffer;
+
 static void
 opt_line_remove_comments(char *p)
 {
@@ -198,28 +202,24 @@ opt_line_remove_comments(char *p)
        }
 }
 
-static char *
-get_token_start(char *p)
+void
+find_token_start(buffer *b)
 {
-       assert(p);
+       assert(b);
        
-       for(; ISSPACE(*p); p++);
-
-       return p;
+       for(; ISSPACE(*b -> ptr); b -> ptr ++);
 }
 
-static char *
-get_token_end(char *p)
+void
+find_token_end(buffer *b)
 {
-       assert(p);
+       assert(b);
 
-       for(p = get_token_start(p); *p; p++) {
-               if(ISSPACE(*p)) {
+       for(find_token_start(b); *(b -> ptr); b -> ptr ++) {
+               if(ISSPACE(*(b -> ptr))) {
                        break;
                }
        }
-
-       return p;
 }
 
 static char *
@@ -260,22 +260,22 @@ opt_set_set_option(char *var, char *p, struct option *opt)
 }
 
 static char *
-opt_parse_set(char *p)
+opt_parse_set(buffer *b)
 {
-       char *var;
        int i;
+       char *p;
 
-       var = get_token_start(p);
-       if((p = strchr(var, '=')))
+       find_token_start(b);
+       if((p = strchr(b -> ptr, '=')))
                *p++ = 0;
        else
                return "invalid value assignment";
        
-       strtrim(var);
+       strtrim(b -> ptr);
 
        for(i = 0;abook_vars[i].option; i++)
-               if(!strcmp(abook_vars[i].option, var))
-                       return opt_set_set_option(var, p, &abook_vars[i]);
+               if(!strcmp(abook_vars[i].option, b -> ptr))
+                       return opt_set_set_option(b -> ptr, p, &abook_vars[i]);
        
        return "unknown option";
 }
@@ -283,7 +283,7 @@ opt_parse_set(char *p)
 
 static struct {
        char *token;
-       char * (*func) (char *line);
+       char * (*func) (buffer *line);
 } opt_parsers[] = {
        { "set", opt_parse_set },
        { NULL }
@@ -293,24 +293,31 @@ static bool
 opt_parse_line(char *line, int n, char *fn)
 {
        int i;
-       char *p;
        char *err = NULL;
+       char *token;
+       buffer b;
        
        assert(line && fn);
 
-       line = get_token_start(line);
-       p = get_token_end(line);
-       *p++ = 0;
+       b.ptr = line;
+
+       find_token_start(&b);
+       b.data = b.ptr;
+       find_token_end(&b);
+       *b.ptr++ = 0;
 
        if(!*line)
                return FALSE;
 
-       strtrim(line);
-       strtrim(p);
+       strtrim(b.data);
+       strtrim(b.ptr);
+
+       token = b.data;
+       b.data = b.ptr = b.ptr;
 
        for(i = 0; opt_parsers[i].token; i++)
-               if(!strcmp(opt_parsers[i].token, line)) {
-                       if(!(err = opt_parsers[i].func(p)))
+               if(!strcmp(opt_parsers[i].token, token)) {
+                       if(!(err = opt_parsers[i].func(&b)))
                                return FALSE;
                        break;
                }
@@ -319,7 +326,7 @@ opt_parse_line(char *line, int n, char *fn)
        if(err)
                fprintf(stderr, "%s\n", err);
        else
-               fprintf(stderr, "unknown token %s\n", line);
+               fprintf(stderr, "unknown token %s\n", token);
 
        return TRUE;
 }