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/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016--2021 SysDeer Technologies, LLC */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdbool.h>
#include <slibtool/slibtool.h>
#include "slibtool_version.h"
#include "slibtool_driver_impl.h"
#include "slibtool_errinfo_impl.h"
#include "argv/argv.h"
int slbt_init_version_info(
struct slbt_driver_ctx_impl * ictx,
struct slbt_version_info * verinfo)
{
int current;
int revision;
int age;
int colons;
int fmtcnt;
const char * ch;
if (!verinfo->verinfo && !verinfo->vernumber)
return 0;
if (verinfo->vernumber) {
sscanf(verinfo->vernumber,"%d:%d:%d",
&verinfo->major,
&verinfo->minor,
&verinfo->revision);
return 0;
}
current = revision = age = 0;
for (colons=0, ch=verinfo->verinfo; *ch; ch++)
if (*ch == ':')
colons++;
fmtcnt = sscanf(verinfo->verinfo,"%d:%d:%d",
¤t,&revision,&age);
if (!fmtcnt || (fmtcnt > 3) || (fmtcnt != colons + 1)) {
slbt_dprintf(ictx->fdctx.fderr,
"%s: error: invalid version info: "
"supported argument format is %%d[:%%d[:%%d]].\n",
slbt_program_name(ictx->cctx.targv[0]));
return -1;
}
if (current < age) {
if (ictx->cctx.drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
slbt_dprintf(ictx->fdctx.fderr,
"%s: error: invalid version info: "
"<current> may not be smaller than <age>.\n",
slbt_program_name(ictx->cctx.targv[0]));
return -1;
}
verinfo->major = current - age;
verinfo->minor = age;
verinfo->revision = revision;
return 0;
}
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