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#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_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, int *argc)
{
const char **argv =
array->argv == empty_argv || array->argc == 0 ? NULL : array->argv;
if (argc)
*argc = array->argc;
argv_array_init(array);
return argv;
}
void argv_array_free_detached(const char **argv)
{
if (argv) {
int i;
for (i = 0; argv[i]; i++)
free((char **)argv[i]);
free(argv);
}
}
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