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/* ISC license. */
#include <string.h>
#include <skalibs/env.h>
#include <skalibs/exec.h>
#include <execline/config.h>
#include <execline/execline.h>
void el_modifs_and_exec (char const *const *argv, char const *const *vars, char const *const *values, size_t n, int doimport)
{
size_t pos = 0 ;
size_t yeslen = 0 ;
size_t yesn = 0 ;
size_t modiflen = 0 ;
for (size_t i = 0 ; i < n ; i++)
{
size_t len = strlen(vars[i]) + 1 ;
modiflen += len ;
if (values[i])
{
yesn++ ;
yeslen += len + 1 ;
modiflen += 1 + strlen(values[i]) ;
}
}
char modifs[modiflen ? modiflen : 1] ;
for (size_t i = 0 ; i < n ; i++)
{
size_t len = strlen(vars[i]) ;
memcpy(modifs + pos, vars[i], len) ;
pos += len ;
if (values[i])
{
modifs[pos++] = '=' ;
len = strlen(values[i]) ;
memcpy(modifs + pos, values[i], len) ;
pos += len ;
}
modifs[pos++] = 0 ;
}
if (doimport && yesn)
{
size_t m = 0 ;
size_t ypos = 0 ;
char const *newargv[env_len(argv) + 3 + 4 * yesn] ;
char yesvars[yeslen ? yeslen : 1] ;
newargv[m++] = EXECLINE_BINPREFIX "multisubstitute" ;
for (size_t i = 0 ; i < n ; i++) if (values[i])
{
size_t len = strlen(vars[i]) + 1 ;
char *p = yesvars + ypos ;
newargv[m++] = " importas" ;
newargv[m++] = " -uSi" ;
newargv[m++] = " --" ;
newargv[m++] = p ;
yesvars[ypos++] = ' ' ;
memcpy(yesvars + ypos, vars[i], len) ;
ypos += len ;
}
newargv[m++] = "" ;
while (*argv) newargv[m++] = *argv++ ;
newargv[m++] = 0 ;
xmexec0_n(newargv, modifs, modiflen, n) ;
}
else xmexec0_n(argv, modifs, modiflen, n) ;
}
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