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rpm: make -ql display more compatible; improve help text

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2013-02-20 15:57:39 +01:00
parent cf5731bcbd
commit 10f5f9b10d
1 changed files with 36 additions and 32 deletions
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68
archival/rpm.c
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@@ -14,10 +14,10 @@
//usage: "\nCommands:"
//usage: "\n -i Install package"
//usage: "\n -qp Query package"
//usage: "\n -i Show information"
//usage: "\n -l List contents"
//usage: "\n -d List documents"
//usage: "\n -c List config files"
//usage: "\n -qpi Show information"
//usage: "\n -qpl List contents"
//usage: "\n -qpd List documents"
//usage: "\n -qpc List config files"
#include "libbb.h"
#include "bb_archive.h"
@@ -96,8 +96,8 @@ static void loop_through_files(int filetag, void (*fileaction)(char *filename, i
int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rpm_main(int argc, char **argv)
{
int opt = 0, func = 0, rpm_fd, offset;
const int pagesize = getpagesize();
int opt, func = 0;
const unsigned pagesize = getpagesize();
while ((opt = getopt(argc, argv, "iqpldc")) != -1) {
switch (opt) {
@@ -134,6 +134,8 @@ int rpm_main(int argc, char **argv)
}
while (*argv) {
int rpm_fd;
unsigned offset;
const char *source_rpm;
rpm_fd = xopen(*argv++, O_RDONLY);
@@ -141,8 +143,8 @@ int rpm_main(int argc, char **argv)
if (!mytags)
bb_error_msg_and_die("error reading rpm header");
offset = xlseek(rpm_fd, 0, SEEK_CUR);
/* Mimimum is one page */
map = mmap(0, offset > pagesize ? (offset + offset % pagesize) : pagesize, PROT_READ, MAP_PRIVATE, rpm_fd, 0);
/* Some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */
map = mmap(0, (offset + pagesize) & (-(int)pagesize), PROT_READ, MAP_PRIVATE, rpm_fd, 0);
source_rpm = rpm_getstr(TAG_SOURCERPM, 0);
@@ -166,21 +168,29 @@ int rpm_main(int argc, char **argv)
char bdatestring[50];
const char *p;
p = rpm_getstr(TAG_PREFIXS, 0);
if (!p) p = "(not relocateable)";
printf("Name : %-29sRelocations: %s\n", rpm_getstr(TAG_NAME, 0), p);
p = rpm_getstr(TAG_VENDOR, 0);
if (!p) p = "(none)";
printf("Version : %-34sVendor: %s\n", rpm_getstr(TAG_VERSION, 0), p);
printf("%-12s: %s\n", "Name" , rpm_getstr(TAG_NAME, 0));
/* TODO compat: add "Epoch" here */
printf("%-12s: %s\n", "Version" , rpm_getstr(TAG_VERSION, 0));
printf("%-12s: %s\n", "Release" , rpm_getstr(TAG_RELEASE, 0));
/* add "Architecture" */
printf("%-12s: %s\n", "Install Date", "(not installed)");
printf("%-12s: %s\n", "Group" , rpm_getstr(TAG_GROUP, 0));
printf("%-12s: %d\n", "Size" , rpm_getint(TAG_SIZE, 0));
printf("%-12s: %s\n", "License" , rpm_getstr(TAG_LICENSE, 0));
/* add "Signature" */
printf("%-12s: %s\n", "Source RPM" , source_rpm ? source_rpm : "(none)");
bdate_time = rpm_getint(TAG_BUILDTIME, 0);
bdate_ptm = localtime(&bdate_time);
strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm);
printf("Release : %-30sBuild Date: %s\n", rpm_getstr(TAG_RELEASE, 0), bdatestring);
printf("Install date: %-30sBuild Host: %s\n", "(not installed)", rpm_getstr(TAG_BUILDHOST, 0));
printf("Group : %-30sSource RPM: %s\n", rpm_getstr(TAG_GROUP, 0), source_rpm);
printf("Size : %-33dLicense: %s\n", rpm_getint(TAG_SIZE, 0), rpm_getstr(TAG_LICENSE, 0));
printf("URL : %s\n", rpm_getstr(TAG_URL, 0));
printf("Summary : %s\n", rpm_getstr(TAG_SUMMARY, 0));
printf("%-12s: %s\n", "Build Date" , bdatestring);
printf("%-12s: %s\n", "Build Host" , rpm_getstr(TAG_BUILDHOST, 0));
p = rpm_getstr(TAG_PREFIXS, 0);
printf("%-12s: %s\n", "Relocations" , p ? p : "(not relocatable)");
/* add "Packager" */
p = rpm_getstr(TAG_VENDOR, 0);
printf("%-12s: %s\n", "Vendor" , p ? p : "(none)");
printf("%-12s: %s\n", "URL" , rpm_getstr(TAG_URL, 0));
printf("%-12s: %s\n", "Summary" , rpm_getstr(TAG_SUMMARY, 0));
printf("Description :\n%s\n", rpm_getstr(TAG_DESCRIPTION, 0));
}
if (func & rpm_query_list) {
@@ -206,6 +216,7 @@ int rpm_main(int argc, char **argv)
}
}
free(mytags);
close(rpm_fd);
}
return 0;
}
@@ -322,7 +333,7 @@ static char *rpm_getstr(int tag, int itemindex)
static int rpm_getint(int tag, int itemindex)
{
rpm_index **found;
int *tmpint; /* NB: using int8_t* would be easier to code */
char *tmpint;
/* gcc throws warnings here when sizeof(void*)!=sizeof(int) ...
* it's ok to ignore it because tag won't be used as a pointer */
@@ -330,24 +341,17 @@ static int rpm_getint(int tag, int itemindex)
if (!found || itemindex >= found[0]->count)
return -1;
tmpint = (int *) ((char *) map + found[0]->offset);
tmpint = (char *) map + found[0]->offset;
if (found[0]->type == RPM_INT32_TYPE) {
tmpint = (int *) ((char *) tmpint + itemindex*4);
/*return ntohl(*tmpint);*/
/* int can be != int32_t */
tmpint += itemindex*4;
return ntohl(*(int32_t*)tmpint);
}
if (found[0]->type == RPM_INT16_TYPE) {
tmpint = (int *) ((char *) tmpint + itemindex*2);
/* ??? read int, and THEN ntohs() it?? */
/*return ntohs(*tmpint);*/
tmpint += itemindex*2;
return ntohs(*(int16_t*)tmpint);
}
if (found[0]->type == RPM_INT8_TYPE) {
tmpint = (int *) ((char *) tmpint + itemindex);
/* ??? why we don't read byte here??? */
/*return ntohs(*tmpint);*/
tmpint += itemindex;
return *(int8_t*)tmpint;
}
return -1;