rpm/lib/tplatform.c

122 lines
2.5 KiB
C

#include "system.h"
#include "rpmio/rpmio_internal.h" /* XXX rpmioSlurp */
#include <rpmlib.h>
#include <rpmmacro.h>
#include <rpmio.h>
#define _ETC_RPM_PLATFORM "/etc/rpm/platform"
static const char * platform = _ETC_RPM_PLATFORM;
static const char ** platpat = NULL;
static int nplatpat = 0;
static int rpmPlatform(void)
{
char *cpu = NULL, *vendor = NULL, *os = NULL, *gnu = NULL;
uint8_t * b = NULL;
ssize_t blen = 0;
int init_platform = 0;
char * p, * pe;
int rc;
rc = rpmioSlurp(platform, &b, &blen);
if (rc || b == NULL || blen <= 0) {
rc = -1;
goto exit;
}
p = (char *) b;
for (pe = p; p && *p; p = pe) {
pe = strchr(p, '\n');
if (pe)
*pe++ = '\0';
fprintf(stderr, "--- %s\n", p);
while (*p && isspace(*p))
p++;
if (*p == '\0' || *p == '#')
continue;
if (init_platform) {
char * t = p + strlen(p);
while (--t > p && isspace(*t))
*t = '\0';
if (t > p) {
platpat = xrealloc(platpat, (nplatpat + 2) * sizeof(*platpat));
platpat[nplatpat] = xstrdup(p);
fprintf(stderr, "\tplatpat[%d] \"%s\"\n", nplatpat, platpat[nplatpat]);
nplatpat++;
platpat[nplatpat] = NULL;
}
continue;
}
cpu = p;
vendor = "unknown";
os = "unknown";
gnu = NULL;
while (*p && !(*p == '-' || isspace(*p)))
p++;
if (*p != '\0') *p++ = '\0';
fprintf(stderr, "--- cpu \"%s\"\n", cpu);
vendor = p;
while (*p && !(*p == '-' || isspace(*p)))
p++;
if (*p != '-') {
if (*p != '\0') *p++ = '\0';
os = vendor;
vendor = "unknown";
} else {
if (*p != '\0') *p++ = '\0';
os = p;
while (*p && !(*p == '-' || isspace(*p)))
p++;
if (*p == '-') {
*p++ = '\0';
gnu = p;
while (*p && !(*p == '-' || isspace(*p)))
p++;
}
if (*p != '\0') *p++ = '\0';
}
fprintf(stderr, "--- vendor \"%s\"\n", vendor);
fprintf(stderr, "--- os \"%s\"\n", os);
fprintf(stderr, "--- gnu \"%s\"\n", gnu);
addMacro(NULL, "_host_cpu", NULL, cpu, -1);
addMacro(NULL, "_host_vendor", NULL, vendor, -1);
addMacro(NULL, "_host_os", NULL, os, -1);
platpat = xrealloc(platpat, (nplatpat + 2) * sizeof(*platpat));
platpat[nplatpat] = rpmExpand("%{_host_cpu}-%{_host_vendor}-%{_host_os}", (gnu && *gnu ? "-" : NULL), gnu, NULL);
fprintf(stderr, "\tplatpat[%d] \"%s\"\n", nplatpat, platpat[nplatpat]);
nplatpat++;
platpat[nplatpat] = NULL;
init_platform++;
}
rc = (init_platform ? 0 : -1);
exit:
b = _free(b);
return rc;
}
int main (int argc, char *argv[])
{
int rc;
_rpmio_debug = 0;
rc = rpmPlatform();
return rc;
}