Andrew's git / gitweb.git /
110a61b93a088535c602a3945da8a97733f96845
   1#include "cache.h"
   2#include "argv-array.h"
   3#include "strbuf.h"
   4
   5const char *empty_argv[] = { NULL };
   6
   7void argv_array_init(struct argv_array *array)
   8{
   9        array->argv = empty_argv;
  10        array->argc = 0;
  11        array->alloc = 0;
  12}
  13
  14static void argv_array_push_nodup(struct argv_array *array, const char *value)
  15{
  16        if (array->argv == empty_argv)
  17                array->argv = NULL;
  18
  19        ALLOC_GROW(array->argv, array->argc + 2, array->alloc);
  20        array->argv[array->argc++] = value;
  21        array->argv[array->argc] = NULL;
  22}
  23
  24void argv_array_push(struct argv_array *array, const char *value)
  25{
  26        argv_array_push_nodup(array, xstrdup(value));
  27}
  28
  29void argv_array_pushf(struct argv_array *array, const char *fmt, ...)
  30{
  31        va_list ap;
  32        struct strbuf v = STRBUF_INIT;
  33
  34        va_start(ap, fmt);
  35        strbuf_vaddf(&v, fmt, ap);
  36        va_end(ap);
  37
  38        argv_array_push_nodup(array, strbuf_detach(&v, NULL));
  39}
  40
  41void argv_array_clear(struct argv_array *array)
  42{
  43        if (array->argv != empty_argv) {
  44                int i;
  45                for (i = 0; i < array->argc; i++)
  46                        free((char **)array->argv[i]);
  47                free(array->argv);
  48        }
  49        argv_array_init(array);
  50}