X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=command-line-arguments.c;h=db73ca5efb896aaafbbe1b8a85437e20ba431b4f;hp=f1a5b2324337fb2ceb78f6fcde64133f8f12454c;hb=a99058540823cd520cf2a5333e8ffe99799aa285;hpb=4a6721970a42a9f86149fb5d395d1001fed2d305

diff --git a/command-line-arguments.c b/command-line-arguments.c
index f1a5b232..db73ca5e 100644
--- a/command-line-arguments.c
+++ b/command-line-arguments.c
@@ -6,87 +6,87 @@
 
 /*
   Search the array of keywords for a given argument, assigning the
-  output variable to the corresponding value.  Return FALSE if nothing
+  output variable to the corresponding value.  Return false if nothing
   matches.
 */
 
-static notmuch_bool_t
+static bool
 _process_keyword_arg (const notmuch_opt_desc_t *arg_desc, char next, const char *arg_str) {
 
-    const notmuch_keyword_t *keywords = arg_desc->keywords;
+    const notmuch_keyword_t *keywords;
 
     if (next == '\0') {
 	/* No keyword given */
 	arg_str = "";
     }
 
-    while (keywords->name) {
-	if (strcmp (arg_str, keywords->name) == 0) {
-	    if (arg_desc->opt_flags)
-		*arg_desc->opt_flags |= keywords->value;
-	    else
-		*arg_desc->opt_keyword = keywords->value;
-	    return TRUE;
-	}
-	keywords++;
+    for (keywords = arg_desc->keywords; keywords->name; keywords++) {
+	if (strcmp (arg_str, keywords->name) != 0)
+	    continue;
+
+	if (arg_desc->opt_flags)
+	    *arg_desc->opt_flags |= keywords->value;
+	else
+	    *arg_desc->opt_keyword = keywords->value;
+
+	return true;
     }
     if (next != '\0')
 	fprintf (stderr, "Unknown keyword argument \"%s\" for option \"%s\".\n", arg_str, arg_desc->name);
     else
 	fprintf (stderr, "Option \"%s\" needs a keyword argument.\n", arg_desc->name);
-    return FALSE;
+    return false;
 }
 
-static notmuch_bool_t
+static bool
 _process_boolean_arg (const notmuch_opt_desc_t *arg_desc, char next, const char *arg_str) {
-
-    if (next == '\0') {
-	*arg_desc->opt_bool = TRUE;
-	return TRUE;
+    bool value;
+
+    if (next == '\0' || strcmp (arg_str, "true") == 0) {
+	value = true;
+    } else if (strcmp (arg_str, "false") == 0) {
+	value = false;
+    } else {
+	fprintf (stderr, "Unknown argument \"%s\" for (boolean) option \"%s\".\n", arg_str, arg_desc->name);
+	return false;
     }
-    if (strcmp (arg_str, "false") == 0) {
-	*arg_desc->opt_bool = FALSE;
-	return TRUE;
-    }
-    if (strcmp (arg_str, "true") == 0) {
-	*arg_desc->opt_bool = TRUE;
-	return TRUE;
-    }
-    fprintf (stderr, "Unknown argument \"%s\" for (boolean) option \"%s\".\n", arg_str, arg_desc->name);
-    return FALSE;
+
+    *arg_desc->opt_bool = value;
+
+    return true;
 }
 
-static notmuch_bool_t
+static bool
 _process_int_arg (const notmuch_opt_desc_t *arg_desc, char next, const char *arg_str) {
 
     char *endptr;
     if (next == '\0' || arg_str[0] == '\0') {
 	fprintf (stderr, "Option \"%s\" needs an integer argument.\n", arg_desc->name);
-	return FALSE;
+	return false;
     }
 
     *arg_desc->opt_int = strtol (arg_str, &endptr, 10);
     if (*endptr == '\0')
-	return TRUE;
+	return true;
 
     fprintf (stderr, "Unable to parse argument \"%s\" for option \"%s\" as an integer.\n",
 	     arg_str, arg_desc->name);
-    return FALSE;
+    return false;
 }
 
-static notmuch_bool_t
+static bool
 _process_string_arg (const notmuch_opt_desc_t *arg_desc, char next, const char *arg_str) {
 
     if (next == '\0') {
 	fprintf (stderr, "Option \"%s\" needs a string argument.\n", arg_desc->name);
-	return FALSE;
+	return false;
     }
-    if (arg_str[0] == '\0') {
+    if (arg_str[0] == '\0' && ! arg_desc->allow_empty) {
 	fprintf (stderr, "String argument for option \"%s\" must be non-empty.\n", arg_desc->name);
-	return FALSE;
+	return false;
     }
     *arg_desc->opt_string = arg_str;
-    return TRUE;
+    return true;
 }
 
 /* Return number of non-NULL opt_* fields in opt_desc. */
@@ -102,8 +102,8 @@ static int _opt_set_count (const notmuch_opt_desc_t *opt_desc)
 	!!opt_desc->opt_position;
 }
 
-/* Return TRUE if opt_desc is valid. */
-static notmuch_bool_t _opt_valid (const notmuch_opt_desc_t *opt_desc)
+/* Return true if opt_desc is valid. */
+static bool _opt_valid (const notmuch_opt_desc_t *opt_desc)
 {
     int n = _opt_set_count (opt_desc);
 
@@ -115,11 +115,11 @@ static notmuch_bool_t _opt_valid (const notmuch_opt_desc_t *opt_desc)
 }
 
 /*
-   Search for the {pos_arg_index}th position argument, return FALSE if
+   Search for the {pos_arg_index}th position argument, return false if
    that does not exist.
 */
 
-notmuch_bool_t
+bool
 parse_position_arg (const char *arg_str, int pos_arg_index,
 		    const notmuch_opt_desc_t *arg_desc) {
 
@@ -128,13 +128,15 @@ parse_position_arg (const char *arg_str, int pos_arg_index,
 	if (arg_desc->opt_position) {
 	    if (pos_arg_counter == pos_arg_index) {
 		*arg_desc->opt_position = arg_str;
-		return TRUE;
+		if (arg_desc->present)
+		    *arg_desc->present = true;
+		return true;
 	    }
 	    pos_arg_counter++;
 	}
 	arg_desc++;
     }
-    return FALSE;
+    return false;
 }
 
 /*
@@ -190,7 +192,7 @@ parse_option (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_
 	    opt_index ++;
 	}
 
-	notmuch_bool_t opt_status = FALSE;
+	bool opt_status = false;
 	if (try->opt_keyword || try->opt_flags)
 	    opt_status = _process_keyword_arg (try, next, value);
 	else if (try->opt_bool)
@@ -202,10 +204,13 @@ parse_option (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_
 	else
 	    INTERNAL_ERROR ("unknown or unhandled option \"%s\"", try->name);
 
-	if (opt_status)
-	    return opt_index+1;
-	else
+	if (! opt_status)
 	    return -1;
+
+	if (try->present)
+	    *try->present = true;
+
+	return opt_index+1;
     }
     return -1;
 }
@@ -216,7 +221,7 @@ parse_arguments (int argc, char **argv,
 		 const notmuch_opt_desc_t *options, int opt_index) {
 
     int pos_arg_index = 0;
-    notmuch_bool_t more_args = TRUE;
+    bool more_args = true;
 
     while (more_args && opt_index < argc) {
 	if (strncmp (argv[opt_index],"--",2) != 0) {
@@ -237,7 +242,7 @@ parse_arguments (int argc, char **argv,
 	    opt_index = parse_option (argc, argv, options, opt_index);
 	    if (opt_index < 0) {
 		fprintf (stderr, "Unrecognized option: %s\n", argv[prev_opt_index]);
-		more_args = FALSE;
+		more_args = false;
 	    }
 	}
     }