| #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; | |
| } | |
| } |
