diff options
Diffstat (limited to 'src/argparser.c')
| -rw-r--r-- | src/argparser.c | 76 |
1 files changed, 55 insertions, 21 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); |