| #include "cache.h" |
| #include "argv-array.h" |
| #include "strbuf.h" |
| |
| const char *empty_argv[] = { NULL }; |
| |
| void argv_array_init(struct argv_array *array) |
| { |
| array->argv = empty_argv; |
| array->argc = 0; |
| array->alloc = 0; |
| } |
| |
| static void argv_array_push_nodup(struct argv_array *array, const char *value) |
| { |
| if (array->argv == empty_argv) |
| array->argv = NULL; |
| |
| ALLOC_GROW(array->argv, array->argc + 2, array->alloc); |
| array->argv[array->argc++] = value; |
| array->argv[array->argc] = NULL; |
| } |
| |
| void argv_array_push(struct argv_array *array, const char *value) |
| { |
| argv_array_push_nodup(array, xstrdup(value)); |
| } |
| |
| void argv_array_pushf(struct argv_array *array, const char *fmt, ...) |
| { |
| va_list ap; |
| struct strbuf v = STRBUF_INIT; |
| |
| va_start(ap, fmt); |
| strbuf_vaddf(&v, fmt, ap); |
| va_end(ap); |
| |
| argv_array_push_nodup(array, strbuf_detach(&v, NULL)); |
| } |
| |
| void argv_array_pushl(struct argv_array *array, ...) |
| { |
| va_list ap; |
| const char *arg; |
| |
| va_start(ap, array); |
| while((arg = va_arg(ap, const char *))) |
| argv_array_push(array, arg); |
| va_end(ap); |
| } |
| |
| void argv_array_pushv(struct argv_array *array, const char **argv) |
| { |
| for (; *argv; argv++) |
| argv_array_push(array, *argv); |
| } |
| |
| void argv_array_pop(struct argv_array *array) |
| { |
| if (!array->argc) |
| return; |
| free((char *)array->argv[array->argc - 1]); |
| array->argv[array->argc - 1] = NULL; |
| array->argc--; |
| } |
| |
| void argv_array_clear(struct argv_array *array) |
| { |
| if (array->argv != empty_argv) { |
| int i; |
| for (i = 0; i < array->argc; i++) |
| free((char *)array->argv[i]); |
| free(array->argv); |
| } |
| argv_array_init(array); |
| } |
| |
| const char **argv_array_detach(struct argv_array *array) |
| { |
| if (array->argv == empty_argv) |
| return xcalloc(1, sizeof(const char *)); |
| else { |
| const char **ret = array->argv; |
| argv_array_init(array); |
| return ret; |
| } |
| } |