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Copy pathargv-array.c
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76 lines (63 loc) · 1.52 KB
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#include"cache.h"
#include"argv-array.h"
#include"strbuf.h"
constchar*empty_argv[] = { NULL };
voidargv_array_init(structargv_array*array)
{
array->argv=empty_argv;
array->argc=0;
array->alloc=0;
}
staticvoidargv_array_push_nodup(structargv_array*array, constchar*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;
}
voidargv_array_push(structargv_array*array, constchar*value)
{
argv_array_push_nodup(array, xstrdup(value));
}
voidargv_array_pushf(structargv_array*array, constchar*fmt, ...)
{
va_listap;
structstrbufv=STRBUF_INIT;
va_start(ap, fmt);
strbuf_vaddf(&v, fmt, ap);
va_end(ap);
argv_array_push_nodup(array, strbuf_detach(&v, NULL));
}
voidargv_array_pushl(structargv_array*array, ...)
{
va_listap;
constchar*arg;
va_start(ap, array);
while((arg=va_arg(ap, constchar*)))
argv_array_push(array, arg);
va_end(ap);
}
voidargv_array_pushv(structargv_array*array, constchar**argv)
{
for (; *argv; argv++)
argv_array_push(array, *argv);
}
voidargv_array_pop(structargv_array*array)
{
if (!array->argc)
return;
free((char*)array->argv[array->argc-1]);
array->argv[array->argc-1] =NULL;
array->argc--;
}
voidargv_array_clear(structargv_array*array)
{
if (array->argv!=empty_argv) {
inti;
for (i=0; i<array->argc; i++)
free((char*)array->argv[i]);
free(array->argv);
}
argv_array_init(array);
}