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