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naka/src/version.c

51 lines
1.1 KiB

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <version.h>
#define VS_FMT(comp) (comp).revision ? "%hhu.%hhu.%hhur%hhu" : "%hhu.%hhu.%hhu"
usize v_ctosn_sz(version_t ver)
{
struct v_comp comp = ver.comp;
return snprintf(NULL, 0, VS_FMT(comp),
comp.major,
comp.minor,
comp.bugfix,
comp.revision);
}
usize v_ctosn(version_t ver, usize max, char out[static pOUT max])
{
struct v_comp comp = ver.comp;
const char* const fmt = VS_FMT(comp);
return snprintf(out, max, fmt,
comp.major,
comp.minor,
comp.bugfix,
comp.revision);
}
const char* v_ctoss(version_t ver)
{
_Thread_local static char buffer[VERSION_STRING_MAX+1];
buffer[v_ctosn(ver, VERSION_STRING_MAX+1, buffer)] = 0;
return buffer;
}
char* v_ctos(version_t ver)
{
usize sz = v_ctosn_sz(ver);
char* buf = malloc(sz+1);
v_ctosn(ver, sz+1, buf);
return buf;
}
int v_range(version_t version, version_t r1, version_t r2)
{
IGNORE_ALL(version, r1, r2);
TODO("if we need this, we'll try to implement it in a way that doesn't rely on bswap'd raws (see tests to see bswap'd raws do infact work (big endian comparisons))");
}