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#include <stdio.h>
#include <unistd.h>
#include <perk/perk.h>
#include <perk/perk_output.h>
#include "perk_version.h"
#ifndef PERK_DRIVER_FLAGS
#define PERK_DRIVER_FLAGS PERK_DRIVER_VERBOSITY_ERRORS|PERK_DRIVER_VERBOSITY_USAGE
#endif
static const char vermsg[] = "%s (git://midipix.org/perk): commit %s.\n";
static ssize_t perk_version(struct pe_driver_ctx * dctx)
{
char buf[512];
size_t len;
if (dctx->cctx->ioctx->fdout >= 0) {
len = sprintf(buf,vermsg,dctx->program,PERK_GIT_VERSION);
return write(dctx->cctx->ioctx->fdout,buf,len);
} else
return fprintf(stdout,vermsg,dctx->program,PERK_GIT_VERSION);
}
static ssize_t perk_paragraph_break(struct pe_unit_ctx * uctx, int * fpara)
{
if (*fpara) {
*fpara = 0;
if (uctx->cctx->ioctx->fdout >= 0)
return write(uctx->cctx->ioctx->fdout,"\n",1);
else
return fputc('\n',stdout);
} else
return 0;
}
static void perk_perform_unit_actions(struct pe_unit_ctx * uctx)
{
int fpara = 0;
uint64_t flags = uctx->cctx->fmtflags;
if (flags & PERK_OUTPUT_EXPORT_SYMS) {
uctx->status = pe_output_export_symbols(uctx->meta,uctx->cctx,0);
uctx->nerrors += !!uctx->status;
fpara += uctx->meta->summary.nexpsyms;
}
if ((flags & PERK_OUTPUT_IMPORT_LIBS) || (flags & PERK_OUTPUT_IMPORT_SYMS)) {
perk_paragraph_break(uctx,&fpara);
uctx->status = pe_output_import_libraries(uctx->meta,uctx->cctx,0);
uctx->nerrors += !!uctx->status;
fpara += (uctx->meta->summary.nimplibs > 0);
}
}
static int perk_exit(struct pe_driver_ctx * dctx, int nerrors)
{
pe_free_driver_ctx(dctx);
return nerrors ? 2 : 0;
}
static int perk_main(int argc, const char ** argv, const char ** envp)
{
int ret;
struct pe_driver_ctx * dctx;
struct pe_unit_ctx * uctx;
const char ** unit;
if ((ret = pe_get_driver_ctx(argv,envp,PERK_DRIVER_FLAGS,&dctx)))
return (ret == PERK_USAGE) ? !--argc : 2;
if (dctx->cctx->drvflags & PERK_DRIVER_VERSION)
if ((perk_version(dctx)) < 0)
return perk_exit(dctx,2);
for (unit=dctx->units; *unit; unit++) {
if (!(pe_get_unit_ctx(dctx,*unit,&uctx))) {
perk_perform_unit_actions(uctx);
ret += uctx->nerrors;
pe_free_unit_ctx(uctx);
}
}
return perk_exit(dctx,ret);
}
int main(int argc, const char ** argv, const char ** envp)
{
return perk_main(argc,argv,envp);
}
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