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/*******************************************************************/
/* slibtool: a strong libtool implementation, written in C */
/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <slibtool/slibtool.h>
#include "slibtool_driver_impl.h"
#include "slibtool_spawn_impl.h"
#include "slibtool_symlink_impl.h"
#include "slibtool_errinfo_impl.h"
int slbt_util_copy_file(
struct slbt_exec_ctx * ectx,
const char * from,
const char * to)
{
int ret;
int fdcwd;
char ** oargv;
char * oprogram;
char * src;
char * dst;
char * cp[4];
const struct slbt_driver_ctx * dctx;
/* driver context */
dctx = (slbt_get_exec_ictx(ectx))->dctx;
/* fdcwd */
fdcwd = slbt_driver_fdcwd(dctx);
/* placeholder? */
if (slbt_symlink_is_a_placeholder(fdcwd,from))
return 0;
/* until we perform an in-memory copy ... */
if (!(src = strdup(from)))
return SLBT_SYSTEM_ERROR(dctx,0);
if (!(dst = strdup(to))) {
free(src);
return SLBT_SYSTEM_ERROR(dctx,0);
}
/* cp argv */
cp[0] = "cp";
cp[1] = src;
cp[2] = dst;
cp[3] = 0;
/* alternate argument vector */
oprogram = ectx->program;
oargv = ectx->argv;
ectx->argv = cp;
ectx->program = "cp";
/* step output */
if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) {
if (dctx->cctx->mode == SLBT_MODE_LINK) {
if (slbt_output_link(ectx)) {
ectx->argv = oargv;
ectx->program = oprogram;
free(src); free(dst);
return SLBT_NESTED_ERROR(dctx);
}
} else {
if (slbt_output_install(ectx)) {
ectx->argv = oargv;
ectx->program = oprogram;
free(src); free(dst);
return SLBT_NESTED_ERROR(dctx);
}
}
}
/* cp spawn */
if ((slbt_spawn(ectx,true) < 0) && (ectx->pid < 0)) {
ret = SLBT_SPAWN_ERROR(dctx);
} else if (ectx->exitcode) {
ret = SLBT_CUSTOM_ERROR(
dctx,
SLBT_ERR_COPY_ERROR);
} else {
ret = 0;
}
free(src);
free(dst);
ectx->argv = oargv;
ectx->program = oprogram;
return ret;
}
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