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authorMattias Andrée <maandree@operamail.com>2013-06-26 03:13:58 +0200
committerMattias Andrée <maandree@operamail.com>2013-06-26 03:13:58 +0200
commitfad12ccb70f1981ed7269c24d221af66715e3016 (patch)
treedc10344c717968b294b2b8ec59fa5efd159f6839 /src
parentmissed to initialise variable (diff)
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fix varargs
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r--src/argparser.c76
-rw-r--r--src/argparser.h28
2 files changed, 69 insertions, 35 deletions
diff --git a/src/argparser.c b/src/argparser.c
index 4041869..b0402c2 100644
--- a/src/argparser.c
+++ b/src/argparser.c
@@ -192,22 +192,32 @@ extern void args_dispose()
/**
* Creates, but does not add, a option that takes no arguments
*
- * @param standard The index of the standard alternative name
- * @param count... The alterntive names
- * @return The created option
+ * @param standard The index of the standard alternative name
+ * @param alternatives... The alterntive names, end with `null`
+ * @return The created option
*/
-extern args_Option args_new_argumentless(int standard, int count, ...)
+extern args_Option args_new_argumentless(int standard, char* alternatives, ...)
{
+ long count = 1;
args_Option rc;
- va_list args;
+ va_list args, cp;
long i;
+
+ va_copy(cp, args); /* va_copy(dest, src) */
+ va_start(cp, alternatives);
+ while (va_arg(args, char*) != null)
+ count++;
+ va_end(cp);
+
rc.type = ARGUMENTLESS;
rc.help = null;
rc.argument = "NOTHING";
rc.alternatives_count = count;
+
rc.alternatives = (char**)malloc(count * sizeof(char*));
- va_start(args, count);
- for (i = 0; i < count; i++)
+ va_start(args, alternatives);
+ *(rc.alternatives) = alternatives;
+ for (i = 1; i < count; i++)
*(rc.alternatives + i) = va_arg(args, char*);
va_end(args);
if (standard < 0)
@@ -219,23 +229,35 @@ extern args_Option args_new_argumentless(int standard, int count, ...)
/**
* Creates, but does not add, a option that takes one argument per use
*
- * @param argument The new of the argument
- * @param standard The index of the standard alternative name
- * @param count... The alterntive names
- * @return The created option
+ * @param argument The new of the argument
+ * @param standard The index of the standard alternative name
+ * @param alternatives... The alterntive names, end with `null`
+ * @return The created option
*/
-extern args_Option args_new_argumented(char* argument, int standard, int count, ...)
+extern args_Option args_new_argumented(char* argument, int standard, char* alternatives, ...)
{
+ long count = 1;
args_Option rc;
- va_list args;
+ va_list args, cp;
long i;
+
+ va_copy(cp, args); /* va_copy(dest, src) */
+ va_start(cp, alternatives);
+ while (va_arg(args, char*) != null)
+ count++;
+ va_end(cp);
+
rc.type = ARGUMENTED;
rc.help = null;
rc.argument = argument == null ? "ARG" : argument;
rc.alternatives_count = count;
+
rc.alternatives = (char**)malloc(count * sizeof(char*));
- for (i = 0; i < count; i++)
+ va_start(args, alternatives);
+ *(rc.alternatives) = alternatives;
+ for (i = 1; i < count; i++)
*(rc.alternatives + i) = va_arg(args, char*);
+ va_end(args);
if (standard < 0)
standard += rc.alternatives_count;
rc.standard = *(rc.alternatives + standard);
@@ -245,23 +267,35 @@ extern args_Option args_new_argumented(char* argument, int standard, int count,
/**
* Creates, but does not add, a option that takes all following arguments
*
- * @param argument The new of the argument
- * @param standard The index of the standard alternative name
- * @param count... The alterntive names
- * @return The created option
+ * @param argument The new of the argument
+ * @param standard The index of the standard alternative name
+ * @param alternatives... The alterntive names, end with `null`
+ * @return The created option
*/
-extern args_Option args_new_variadic(char* argument, int standard, int count, ...)
+extern args_Option args_new_variadic(char* argument, int standard, char* alternatives, ...)
{
+ long count = 1;
args_Option rc;
- va_list args;
+ va_list args, cp;
long i;
+
+ va_copy(cp, args); /* va_copy(dest, src) */
+ va_start(cp, alternatives);
+ while (va_arg(args, char*) != null)
+ count++;
+ va_end(cp);
+
rc.type = VARIADIC;
rc.help = null;
rc.argument = argument == null ? "ARG" : argument;
rc.alternatives_count = count;
+
rc.alternatives = (char**)malloc(count * sizeof(char*));
- for (i = 0; i < count; i++)
+ va_start(args, alternatives);
+ *(rc.alternatives) = alternatives;
+ for (i = 1; i < count; i++)
*(rc.alternatives + i) = va_arg(args, char*);
+ va_end(args);
if (standard < 0)
standard += rc.alternatives_count;
rc.standard = *(rc.alternatives + standard);
diff --git a/src/argparser.h b/src/argparser.h
index 6df4891..4d6194d 100644
--- a/src/argparser.h
+++ b/src/argparser.h
@@ -181,31 +181,31 @@ extern void args_dispose();
/**
* Creates, but does not add, a option that takes no arguments
*
- * @param standard The index of the standard alternative name
- * @param count... The alterntive names
- * @return The created option
+ * @param standard The index of the standard alternative name
+ * @param alternatives... The alterntive names, end with `null`
+ * @return The created option
*/
-extern args_Option args_new_argumentless(int standard, int count, ...);
+extern args_Option args_new_argumentless(int standard, char* alternatives, ...);
/**
* Creates, but does not add, a option that takes one argument per use
*
- * @param argument The new of the argument
- * @param standard The index of the standard alternative name
- * @param count... The alterntive names
- * @return The created option
+ * @param argument The new of the argument
+ * @param standard The index of the standard alternative name
+ * @param alternatives... The alterntive names, end with `null`
+ * @return The created option
*/
-extern args_Option args_new_argumented(char* argument, int standard, int count, ...);
+extern args_Option args_new_argumented(char* argument, int standard, char* alternatives, ...);
/**
* Creates, but does not add, a option that takes all following arguments
*
- * @param argument The new of the argument
- * @param standard The index of the standard alternative name
- * @param count... The alterntive names
- * @return The created option
+ * @param argument The new of the argument
+ * @param standard The index of the standard alternative name
+ * @param alternatives... The alterntive names, end with `null`
+ * @return The created option
*/
-extern args_Option args_new_variadic(char* argument, int standard, int count, ...);
+extern args_Option args_new_variadic(char* argument, int standard, char* alternatives, ...);
/**