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/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016 Z. Gilboa */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <string.h>
#include <stdbool.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#include <slibtool/slibtool.h>
#include "slibtool_spawn_impl.h"
int slbt_exec_execute(
const struct slbt_driver_ctx * dctx,
struct slbt_exec_ctx * ectx)
{
int ret;
char * program;
char * script;
char * base;
char * mark;
char exeref [PATH_MAX];
char wrapper[PATH_MAX];
struct slbt_exec_ctx * actx = 0;
/* dry run */
if (dctx->cctx->drvflags & SLBT_DRIVER_DRY_RUN)
return 0;
/* context */
if (ectx)
slbt_disable_placeholders(ectx);
else if ((ret = slbt_get_exec_ctx(dctx,&ectx)))
return ret;
else {
actx = ectx;
slbt_disable_placeholders(ectx);
}
/* script, program */
program = ectx->cargv[0];
script = ectx->cargv[1];
/* wrapper */
if ((size_t)snprintf(wrapper,sizeof(wrapper),"%s.exe.wrapper",
script)
>= sizeof(wrapper)) {
slbt_free_exec_ctx(actx);
return -1;
}
/* exeref */
if ((base = strrchr(script,'/')))
base++;
else
base = script;
strcpy(exeref,script);
mark = exeref + (base - script);
sprintf(mark,".libs/%s",base);
/* swap vector */
ectx->cargv[0] = wrapper;
ectx->cargv[1] = program;
ectx->cargv[2] = exeref;
/* execute mode */
ectx->program = script;
ectx->argv = ectx->cargv;
/* step output */
if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT))
if (slbt_output_execute(dctx,ectx)) {
slbt_free_exec_ctx(actx);
return -1;
}
execvp(wrapper,ectx->argv);
slbt_free_exec_ctx(actx);
return -1;
}
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