Various cleanups for pkg.{c,h}.
[oweals/opkg-lede.git] / libopkg / pkg.c
index f73cf5c8a9ba9f286fbdf74acf8aa2381cd43a21..093c1329058d37f26a5dc11da36dec108c387aaf 100644 (file)
@@ -72,20 +72,8 @@ static const enum_map_t pkg_state_status_map[] = {
      { SS_REMOVAL_FAILED, "removal-failed" }
 };
 
-static int verrevcmp(const char *val, const char *ref);
-
-
-pkg_t *pkg_new(void)
-{
-     pkg_t *pkg;
-
-     pkg = xcalloc(1, sizeof(pkg_t));
-     pkg_init(pkg);
-
-     return pkg;
-}
-
-int pkg_init(pkg_t *pkg)
+static void
+pkg_init(pkg_t *pkg)
 {
      pkg->name = NULL;
      pkg->epoch = 0;
@@ -139,11 +127,21 @@ int pkg_init(pkg_t *pkg)
      pkg->installed_files_ref_cnt = 0;
      pkg->essential = 0;
      pkg->provided_by_hand = 0;
+}
 
-     return 0;
+pkg_t *
+pkg_new(void)
+{
+     pkg_t *pkg;
+
+     pkg = xcalloc(1, sizeof(pkg_t));
+     pkg_init(pkg);
+
+     return pkg;
 }
 
-void compound_depend_deinit (compound_depend_t *depends)
+static void
+compound_depend_deinit(compound_depend_t *depends)
 {
     int i;
     for (i = 0; i < depends->possibility_count; i++)
@@ -156,7 +154,8 @@ void compound_depend_deinit (compound_depend_t *depends)
     free (depends->possibilities);
 }
 
-void pkg_deinit(pkg_t *pkg)
+void
+pkg_deinit(pkg_t *pkg)
 {
        int i;
 
@@ -203,36 +202,6 @@ void pkg_deinit(pkg_t *pkg)
                free (pkg->replaces);
        pkg->replaces = NULL;
 
-       for (i = 0; i < pkg->depends_count; i++)
-               free (pkg->depends_str[i]);
-       free(pkg->depends_str);
-       pkg->depends_str = NULL;
-
-       for (i = 0; i < pkg->provides_count-1; i++)
-               free (pkg->provides_str[i]);
-       free(pkg->provides_str);
-       pkg->provides_str = NULL;
-
-       for (i = 0; i < pkg->conflicts_count; i++)
-               free (pkg->conflicts_str[i]);
-       free(pkg->conflicts_str);
-       pkg->conflicts_str = NULL;
-
-       for (i = 0; i < pkg->replaces_count; i++)
-               free (pkg->replaces_str[i]);
-       free(pkg->replaces_str);
-       pkg->replaces_str = NULL;
-
-       for (i = 0; i < pkg->recommends_count; i++)
-               free (pkg->recommends_str[i]);
-       free(pkg->recommends_str);
-       pkg->recommends_str = NULL;
-
-       for (i = 0; i < pkg->suggests_count; i++)
-               free (pkg->suggests_str[i]);
-       free(pkg->suggests_str);
-       pkg->suggests_str = NULL;
-
        if (pkg->depends) {
                int count = pkg->pre_depends_count
                                + pkg->depends_count
@@ -254,10 +223,6 @@ void pkg_deinit(pkg_t *pkg)
                free (pkg->provides);
 
        pkg->pre_depends_count = 0;
-       if (pkg->pre_depends_str)
-               free(pkg->pre_depends_str);
-       pkg->pre_depends_str = NULL;
-       
        pkg->provides_count = 0;
        
        if (pkg->filename)
@@ -316,7 +281,7 @@ void pkg_deinit(pkg_t *pkg)
 }
 
 int
-pkg_init_from_file(pkg_t *pkg, const char *filename)
+pkg_init_from_file(opkg_conf_t *conf, pkg_t *pkg, const char *filename)
 {
        int fd, err = 0;
        FILE *control_file;
@@ -326,7 +291,9 @@ pkg_init_from_file(pkg_t *pkg, const char *filename)
 
        pkg->local_filename = xstrdup(filename);
 
-       sprintf_alloc(&control_path, "%s.control.XXXXXX", filename);
+       sprintf_alloc(&control_path, "%s/%s.control.XXXXXX", 
+                        conf->tmp_dir,
+                        basename(filename));
        fd = mkstemp(control_path);
        if (fd == -1) {
                perror_msg("%s: mkstemp(%s)", __FUNCTION__, control_path);
@@ -334,7 +301,7 @@ pkg_init_from_file(pkg_t *pkg, const char *filename)
                goto err0;
        }
 
-       control_file = fdopen(fd, "rw+");
+       control_file = fdopen(fd, "r+");
        if (control_file == NULL) {
                perror_msg("%s: fdopen", __FUNCTION__, control_path);
                close(fd);
@@ -367,12 +334,16 @@ err0:
  * uh, i thought that i had originally written this so that it took 
  * two pkgs and returned a new one?  we can do that again... -sma
  */
-int pkg_merge(pkg_t *oldpkg, pkg_t *newpkg, int set_status)
+int
+pkg_merge(pkg_t *oldpkg, pkg_t *newpkg, int set_status)
 {
      if (oldpkg == newpkg) {
          return 0;
      }
 
+     if (!oldpkg->auto_installed)
+         oldpkg->auto_installed = newpkg->auto_installed;
+
      if (!oldpkg->src)
          oldpkg->src = newpkg->src;
      if (!oldpkg->dest)
@@ -400,34 +371,24 @@ int pkg_merge(pkg_t *oldpkg, pkg_t *newpkg, int set_status)
          oldpkg->state_flag |= newpkg->state_flag;
      }
 
-     if (!oldpkg->depends_str && !oldpkg->pre_depends_str && !oldpkg->recommends_str && !oldpkg->suggests_str) {
-         oldpkg->depends_str = newpkg->depends_str;
-         newpkg->depends_str = NULL;
+     if (!oldpkg->depends_count && !oldpkg->pre_depends_count && !oldpkg->recommends_count && !oldpkg->suggests_count) {
          oldpkg->depends_count = newpkg->depends_count;
          newpkg->depends_count = 0;
 
          oldpkg->depends = newpkg->depends;
          newpkg->depends = NULL;
 
-         oldpkg->pre_depends_str = newpkg->pre_depends_str;
-         newpkg->pre_depends_str = NULL;
          oldpkg->pre_depends_count = newpkg->pre_depends_count;
          newpkg->pre_depends_count = 0;
 
-         oldpkg->recommends_str = newpkg->recommends_str;
-         newpkg->recommends_str = NULL;
          oldpkg->recommends_count = newpkg->recommends_count;
          newpkg->recommends_count = 0;
 
-         oldpkg->suggests_str = newpkg->suggests_str;
-         newpkg->suggests_str = NULL;
          oldpkg->suggests_count = newpkg->suggests_count;
          newpkg->suggests_count = 0;
      }
 
-     if (!oldpkg->provides_str) {
-         oldpkg->provides_str = newpkg->provides_str;
-         newpkg->provides_str = NULL;
+     if (oldpkg->provides_count <= 1) {
          oldpkg->provides_count = newpkg->provides_count;
          newpkg->provides_count = 0;
 
@@ -437,9 +398,7 @@ int pkg_merge(pkg_t *oldpkg, pkg_t *newpkg, int set_status)
          }
      }
 
-     if (!oldpkg->conflicts_str) {
-         oldpkg->conflicts_str = newpkg->conflicts_str;
-         newpkg->conflicts_str = NULL;
+     if (!oldpkg->conflicts_count) {
          oldpkg->conflicts_count = newpkg->conflicts_count;
          newpkg->conflicts_count = 0;
 
@@ -447,9 +406,7 @@ int pkg_merge(pkg_t *oldpkg, pkg_t *newpkg, int set_status)
          newpkg->conflicts = NULL;
      }
 
-     if (!oldpkg->replaces_str) {
-         oldpkg->replaces_str = newpkg->replaces_str;
-         newpkg->replaces_str = NULL;
+     if (!oldpkg->replaces_count) {
          oldpkg->replaces_count = newpkg->replaces_count;
          newpkg->replaces_count = 0;
 
@@ -492,36 +449,27 @@ int pkg_merge(pkg_t *oldpkg, pkg_t *newpkg, int set_status)
      return 0;
 }
 
-abstract_pkg_t *abstract_pkg_new(void)
+static void
+abstract_pkg_init(abstract_pkg_t *ab_pkg)
+{
+     ab_pkg->provided_by = abstract_pkg_vec_alloc();
+     ab_pkg->dependencies_checked = 0;
+     ab_pkg->state_status = SS_NOT_INSTALLED;
+}
+
+abstract_pkg_t *
+abstract_pkg_new(void)
 {
      abstract_pkg_t * ab_pkg;
 
      ab_pkg = xcalloc(1, sizeof(abstract_pkg_t));
-
-     if (ab_pkg == NULL) {
-         fprintf(stderr, "%s: out of memory\n", __FUNCTION__);
-         return NULL;
-     }
-
-     if ( abstract_pkg_init(ab_pkg) < 0 ) 
-        return NULL;
+     abstract_pkg_init(ab_pkg);
 
      return ab_pkg;
 }
 
-int abstract_pkg_init(abstract_pkg_t *ab_pkg)
-{
-     ab_pkg->provided_by = abstract_pkg_vec_alloc();
-     if (ab_pkg->provided_by==NULL){
-        return -1;
-     }
-     ab_pkg->dependencies_checked = 0;
-     ab_pkg->state_status = SS_NOT_INSTALLED;
-
-     return 0;
-}
-
-void set_flags_from_control(opkg_conf_t *conf, pkg_t *pkg){
+void
+set_flags_from_control(opkg_conf_t *conf, pkg_t *pkg){
      char *file_name;
      FILE *fp;
 
@@ -546,10 +494,141 @@ void set_flags_from_control(opkg_conf_t *conf, pkg_t *pkg){
      return;
 }
 
-void pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field)
+static char *
+pkg_state_want_to_str(pkg_state_want_t sw)
+{
+     int i;
+
+     for (i=0; i < ARRAY_SIZE(pkg_state_want_map); i++) {
+         if (pkg_state_want_map[i].value == sw) {
+              return pkg_state_want_map[i].str;
+         }
+     }
+
+     fprintf(stderr, "%s: ERROR: Illegal value for state_want: %d\n",
+            __FUNCTION__, sw);
+     return "<STATE_WANT_UNKNOWN>";
+}
+
+pkg_state_want_t
+pkg_state_want_from_str(char *str)
 {
      int i;
 
+     for (i=0; i < ARRAY_SIZE(pkg_state_want_map); i++) {
+         if (strcmp(str, pkg_state_want_map[i].str) == 0) {
+              return pkg_state_want_map[i].value;
+         }
+     }
+
+     fprintf(stderr, "%s: ERROR: Illegal value for state_want string: %s\n",
+            __FUNCTION__, str);
+     return SW_UNKNOWN;
+}
+
+static char *
+pkg_state_flag_to_str(pkg_state_flag_t sf)
+{
+       int i;
+       int len;
+       char *str;
+
+       /* clear the temporary flags before converting to string */
+       sf &= SF_NONVOLATILE_FLAGS;
+
+       if (sf == 0)
+               return xstrdup("ok");
+
+       len = 0;
+       for (i=0; i < ARRAY_SIZE(pkg_state_flag_map); i++) {
+               if (sf & pkg_state_flag_map[i].value)
+                       len += strlen(pkg_state_flag_map[i].str) + 1;
+       }
+
+       str = xmalloc(len+1);
+       str[0] = '\0';
+
+       for (i=0; i < ARRAY_SIZE(pkg_state_flag_map); i++) {
+               if (sf & pkg_state_flag_map[i].value) {
+                       strncat(str, pkg_state_flag_map[i].str, len);
+                       strncat(str, ",", len);
+               }
+       }
+
+       len = strlen(str);
+       str[len-1] = '\0'; /* squash last comma */
+
+       return str;
+}
+
+pkg_state_flag_t
+pkg_state_flag_from_str(const char *str)
+{
+     int i;
+     int sf = SF_OK;
+
+     if (strcmp(str, "ok") == 0) {
+         return SF_OK;
+     }
+     for (i=0; i < ARRAY_SIZE(pkg_state_flag_map); i++) {
+         const char *sfname = pkg_state_flag_map[i].str;
+         int sfname_len = strlen(sfname);
+         if (strncmp(str, sfname, sfname_len) == 0) {
+              sf |= pkg_state_flag_map[i].value;
+              str += sfname_len;
+              if (str[0] == ',') {
+                   str++;
+              } else {
+                   break;
+              }
+         }
+     }
+
+     return sf;
+}
+
+static char *
+pkg_state_status_to_str(pkg_state_status_t ss)
+{
+     int i;
+
+     for (i=0; i < ARRAY_SIZE(pkg_state_status_map); i++) {
+         if (pkg_state_status_map[i].value == ss) {
+              return pkg_state_status_map[i].str;
+         }
+     }
+
+     fprintf(stderr, "%s: ERROR: Illegal value for state_status: %d\n",
+            __FUNCTION__, ss);
+     return "<STATE_STATUS_UNKNOWN>";
+}
+
+pkg_state_status_t
+pkg_state_status_from_str(const char *str)
+{
+     int i;
+
+     for (i=0; i < ARRAY_SIZE(pkg_state_status_map); i++) {
+         if (strcmp(str, pkg_state_status_map[i].str) == 0) {
+              return pkg_state_status_map[i].value;
+         }
+     }
+
+     fprintf(stderr, "%s: ERROR: Illegal value for state_status string: %s\n",
+            __FUNCTION__, str);
+     return SS_NOT_INSTALLED;
+}
+
+void
+pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field)
+{
+     int i, j;
+     char *str;
+     int depends_count = pkg->pre_depends_count +
+                        pkg->depends_count +
+                        pkg->recommends_count +
+                        pkg->suggests_count;
+
      if (strlen(field) < PKG_MINIMUM_FIELD_NAME_LEN) {
          goto UNKNOWN_FMT_FIELD;
      }
@@ -586,10 +665,18 @@ void pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field)
                    }
               }
          } else if (strcasecmp(field, "Conflicts") == 0) {
+              struct depend *cdep;
               if (pkg->conflicts_count) {
                     fprintf(fp, "Conflicts:");
                    for(i = 0; i < pkg->conflicts_count; i++) {
-                        fprintf(fp, "%s %s", i == 0 ? "" : ",", pkg->conflicts_str[i]);
+                       cdep = pkg->conflicts[i].possibilities[0];
+                        fprintf(fp, "%s %s", i == 0 ? "" : ",",
+                               cdep->pkg->name);
+                       if (cdep->version) {
+                               fprintf(fp, " (%s%s)",
+                                       constraint_to_str(cdep->constraint),
+                                       cdep->version);
+                       }
                     }
                     fprintf(fp, "\n");
               }
@@ -602,8 +689,13 @@ void pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field)
          if (strcasecmp(field, "Depends") == 0) {
               if (pkg->depends_count) {
                     fprintf(fp, "Depends:");
-                   for(i = 0; i < pkg->depends_count; i++) {
-                        fprintf(fp, "%s %s", i == 0 ? "" : ",", pkg->depends_str[i]);
+                   for (j=0, i=0; i<depends_count; i++) {
+                       if (pkg->depends[i].type != DEPEND)
+                               continue;
+                       str = pkg_depend_str(pkg, i);
+                       fprintf(fp, "%s %s", j == 0 ? "" : ",", str);
+                       free(str);
+                       j++;
                     }
                    fprintf(fp, "\n");
               }
@@ -658,8 +750,9 @@ void pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field)
          } else if (strcasecmp(field, "Provides") == 0) {
               if (pkg->provides_count) {
                   fprintf(fp, "Provides:");
-                 for(i = 0; i < pkg->provides_count-1; i++) {
-                      fprintf(fp, "%s %s", i == 0 ? "" : ",", pkg->provides_str[i]);
+                 for(i = 1; i < pkg->provides_count; i++) {
+                      fprintf(fp, "%s %s", i == 1 ? "" : ",",
+                                     pkg->provides[i]->name);
                   }
                   fprintf(fp, "\n");
                }
@@ -673,15 +766,21 @@ void pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field)
               if (pkg->replaces_count) {
                     fprintf(fp, "Replaces:");
                    for (i = 0; i < pkg->replaces_count; i++) {
-                        fprintf(fp, "%s %s", i == 0 ? "" : ",", pkg->replaces_str[i]);
+                        fprintf(fp, "%s %s", i == 0 ? "" : ",",
+                                       pkg->replaces[i]->name);
                     }
                     fprintf(fp, "\n");
               }
          } else if (strcasecmp (field, "Recommends") == 0) {
               if (pkg->recommends_count) {
                     fprintf(fp, "Recommends:");
-                   for(i = 0; i < pkg->recommends_count; i++) {
-                        fprintf(fp, "%s %s", i == 0 ? "" : ",", pkg->recommends_str[i]);
+                   for (j=0, i=0; i<depends_count; i++) {
+                       if (pkg->depends[i].type != RECOMMEND)
+                               continue;
+                       str = pkg_depend_str(pkg, i);
+                       fprintf(fp, "%s %s", j == 0 ? "" : ",", str);
+                       free(str);
+                       j++;
                     }
                     fprintf(fp, "\n");
               }
@@ -711,22 +810,21 @@ void pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field)
                }
          } else if (strcasecmp(field, "Status") == 0) {
                char *pflag = pkg_state_flag_to_str(pkg->state_flag);
-               char *pstat = pkg_state_status_to_str(pkg->state_status);
-               char *pwant = pkg_state_want_to_str(pkg->state_want);
-
-              if (pflag == NULL || pstat == NULL || pwant == NULL)
-                      return;
-
-               fprintf(fp, "Status: %s %s %s\n", pwant, pflag, pstat);
-
+               fprintf(fp, "Status: %s %s %s\n",
+                                      pkg_state_want_to_str(pkg->state_want),
+                              pflag,
+                               pkg_state_status_to_str(pkg->state_status));
                free(pflag);
-               free(pwant);
-               free(pstat);
          } else if (strcasecmp(field, "Suggests") == 0) {
               if (pkg->suggests_count) {
                     fprintf(fp, "Suggests:");
-                   for(i = 0; i < pkg->suggests_count; i++) {
-                        fprintf(fp, "%s %s", i == 0 ? "" : ",", pkg->suggests_str[i]);
+                   for (j=0, i=0; i<depends_count; i++) {
+                       if (pkg->depends[i].type != SUGGEST)
+                               continue;
+                       str = pkg_depend_str(pkg, i);
+                       fprintf(fp, "%s %s", j == 0 ? "" : ",", str);
+                       free(str);
+                       j++;
                     }
                     fprintf(fp, "\n");
               }
@@ -762,7 +860,8 @@ UNKNOWN_FMT_FIELD:
      fprintf(stderr, "%s: ERROR: Unknown field name: %s\n", __FUNCTION__, field);
 }
 
-void pkg_formatted_info(FILE *fp, pkg_t *pkg)
+void
+pkg_formatted_info(FILE *fp, pkg_t *pkg)
 {
        pkg_formatted_field(fp, pkg, "Package");
        pkg_formatted_field(fp, pkg, "Version");
@@ -788,7 +887,8 @@ void pkg_formatted_info(FILE *fp, pkg_t *pkg)
        fputs("\n", fp);
 }
 
-void pkg_print_status(pkg_t * pkg, FILE * file)
+void
+pkg_print_status(pkg_t * pkg, FILE * file)
 {
      if (pkg == NULL) {
          return;
@@ -837,30 +937,6 @@ void pkg_print_status(pkg_t * pkg, FILE * file)
  *
  * Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
  */
-int pkg_compare_versions(const pkg_t *pkg, const pkg_t *ref_pkg)
-{
-     int r;
-
-     if (pkg->epoch > ref_pkg->epoch) {
-         return 1;
-     }
-
-     if (pkg->epoch < ref_pkg->epoch) {
-         return -1;
-     }
-
-     r = verrevcmp(pkg->version, ref_pkg->version);
-     if (r) {
-         return r;
-     }
-
-     r = verrevcmp(pkg->revision, ref_pkg->revision);
-     if (r) {
-         return r;
-     }
-
-     return r;
-}
 
 /* assume ascii; warning: evaluates x multiple times! */
 #define order(x) ((x) == '~' ? -1 \
@@ -869,7 +945,8 @@ int pkg_compare_versions(const pkg_t *pkg, const pkg_t *ref_pkg)
                : isalpha((x)) ? (x) \
                : (x) + 256)
 
-static int verrevcmp(const char *val, const char *ref) {
+static int
+verrevcmp(const char *val, const char *ref) {
   if (!val) val= "";
   if (!ref) ref= "";
 
@@ -895,7 +972,35 @@ static int verrevcmp(const char *val, const char *ref) {
   return 0;
 }
 
-int pkg_version_satisfied(pkg_t *it, pkg_t *ref, const char *op)
+int
+pkg_compare_versions(const pkg_t *pkg, const pkg_t *ref_pkg)
+{
+     int r;
+
+     if (pkg->epoch > ref_pkg->epoch) {
+         return 1;
+     }
+
+     if (pkg->epoch < ref_pkg->epoch) {
+         return -1;
+     }
+
+     r = verrevcmp(pkg->version, ref_pkg->version);
+     if (r) {
+         return r;
+     }
+
+     r = verrevcmp(pkg->revision, ref_pkg->revision);
+     if (r) {
+         return r;
+     }
+
+     return r;
+}
+
+
+int
+pkg_version_satisfied(pkg_t *it, pkg_t *ref, const char *op)
 {
      int r;
 
@@ -925,7 +1030,8 @@ int pkg_version_satisfied(pkg_t *it, pkg_t *ref, const char *op)
      return 0;
 }
 
-int pkg_name_version_and_architecture_compare(const void *p1, const void *p2)
+int
+pkg_name_version_and_architecture_compare(const void *p1, const void *p2)
 {
      const pkg_t *a = *(const pkg_t**) p1;
      const pkg_t *b = *(const pkg_t**) p2;
@@ -955,7 +1061,8 @@ int pkg_name_version_and_architecture_compare(const void *p1, const void *p2)
      return 0;
 }
 
-int abstract_pkg_name_compare(const void *p1, const void *p2)
+int
+abstract_pkg_name_compare(const void *p1, const void *p2)
 {
      const abstract_pkg_t *a = *(const abstract_pkg_t **)p1;
      const abstract_pkg_t *b = *(const abstract_pkg_t **)p2;
@@ -994,7 +1101,8 @@ pkg_version_str_alloc(pkg_t *pkg)
 /*
  * XXX: this should be broken into two functions
  */
-str_list_t *pkg_get_installed_files(opkg_conf_t *conf, pkg_t *pkg)
+str_list_t *
+pkg_get_installed_files(opkg_conf_t *conf, pkg_t *pkg)
 {
      int err, fd;
      char *list_file_name = NULL;
@@ -1031,7 +1139,7 @@ str_list_t *pkg_get_installed_files(opkg_conf_t *conf, pkg_t *pkg)
               free(list_file_name);
               return pkg->installed_files;
          }
-         list_file = fdopen(fd, "rw");
+         list_file = fdopen(fd, "r+");
          if (list_file == NULL) {
               opkg_message(conf, OPKG_ERROR, "%s: fdopen: %s",
                               __FUNCTION__, strerror(errno));
@@ -1116,44 +1224,37 @@ str_list_t *pkg_get_installed_files(opkg_conf_t *conf, pkg_t *pkg)
    convention. Nor the alloc/free convention. But, then again, neither
    of these conventions currrently fit the way these two functions
    work. */
-int pkg_free_installed_files(pkg_t *pkg)
+void
+pkg_free_installed_files(pkg_t *pkg)
 {
      pkg->installed_files_ref_cnt--;
 
      if (pkg->installed_files_ref_cnt > 0)
-         return 0;
+         return;
 
      if (pkg->installed_files) {
          str_list_purge(pkg->installed_files);
      }
 
      pkg->installed_files = NULL;
-
-     return 0;
 }
 
-int pkg_remove_installed_files_list(opkg_conf_t *conf, pkg_t *pkg)
+void
+pkg_remove_installed_files_list(opkg_conf_t *conf, pkg_t *pkg)
 {
-     int err;
-     char *list_file_name;
+       char *list_file_name;
 
-     //I don't think pkg_free_installed_files should be called here. Jamey
-     //pkg_free_installed_files(pkg);
+       sprintf_alloc(&list_file_name, "%s/%s.list",
+               pkg->dest->info_dir, pkg->name);
 
-     sprintf_alloc(&list_file_name, "%s/%s.list",
-                  pkg->dest->info_dir, pkg->name);
-     if (!conf->noaction) {
-         err = unlink(list_file_name);
-         free(list_file_name);
+       if (!conf->noaction)
+               (void)unlink(list_file_name);
 
-         if (err) {
-              return errno;
-         }
-     }
-     return 0;
+       free(list_file_name);
 }
 
-conffile_t *pkg_get_conffile(pkg_t *pkg, const char *file_name)
+conffile_t *
+pkg_get_conffile(pkg_t *pkg, const char *file_name)
 {
      conffile_list_elt_t *iter;
      conffile_t *conffile;
@@ -1173,8 +1274,9 @@ conffile_t *pkg_get_conffile(pkg_t *pkg, const char *file_name)
      return NULL;
 }
 
-int pkg_run_script(opkg_conf_t *conf, pkg_t *pkg,
-                  const char *script, const char *args)
+int
+pkg_run_script(opkg_conf_t *conf, pkg_t *pkg,
+               const char *script, const char *args)
 {
      int err;
      char *path;
@@ -1254,124 +1356,8 @@ int pkg_run_script(opkg_conf_t *conf, pkg_t *pkg,
      return 0;
 }
 
-char *pkg_state_want_to_str(pkg_state_want_t sw)
-{
-     int i;
-
-     for (i=0; i < ARRAY_SIZE(pkg_state_want_map); i++) {
-         if (pkg_state_want_map[i].value == sw) {
-              return xstrdup(pkg_state_want_map[i].str);
-         }
-     }
-
-     fprintf(stderr, "%s: ERROR: Illegal value for state_want: %d\n",
-            __FUNCTION__, sw);
-     return xstrdup("<STATE_WANT_UNKNOWN>");
-}
-
-pkg_state_want_t pkg_state_want_from_str(char *str)
-{
-     int i;
-
-     for (i=0; i < ARRAY_SIZE(pkg_state_want_map); i++) {
-         if (strcmp(str, pkg_state_want_map[i].str) == 0) {
-              return pkg_state_want_map[i].value;
-         }
-     }
-
-     fprintf(stderr, "%s: ERROR: Illegal value for state_want string: %s\n",
-            __FUNCTION__, str);
-     return SW_UNKNOWN;
-}
-
-char *pkg_state_flag_to_str(pkg_state_flag_t sf)
-{
-     int i;
-     int len = 3; /* ok\000 is minimum */
-     char *str = NULL;
-
-     /* clear the temporary flags before converting to string */
-     sf &= SF_NONVOLATILE_FLAGS;
-
-     if (sf == 0) {
-         return xstrdup("ok");
-     } else {
-
-         for (i=0; i < ARRAY_SIZE(pkg_state_flag_map); i++) {
-              if (sf & pkg_state_flag_map[i].value) {
-                   len += strlen(pkg_state_flag_map[i].str) + 1;
-              }
-         }
-         str = xmalloc(len);
-         str[0] = 0;
-         for (i=0; i < ARRAY_SIZE(pkg_state_flag_map); i++) {
-              if (sf & pkg_state_flag_map[i].value) {
-                   strcat(str, pkg_state_flag_map[i].str);
-                   strcat(str, ",");
-              }
-         }
-         len = strlen(str);
-         str[len-1] = 0; /* squash last comma */
-         return str;
-     }
-}
-
-pkg_state_flag_t pkg_state_flag_from_str(const char *str)
-{
-     int i;
-     int sf = SF_OK;
-
-     if (strcmp(str, "ok") == 0) {
-         return SF_OK;
-     }
-     for (i=0; i < ARRAY_SIZE(pkg_state_flag_map); i++) {
-         const char *sfname = pkg_state_flag_map[i].str;
-         int sfname_len = strlen(sfname);
-         if (strncmp(str, sfname, sfname_len) == 0) {
-              sf |= pkg_state_flag_map[i].value;
-              str += sfname_len;
-              if (str[0] == ',') {
-                   str++;
-              } else {
-                   break;
-              }
-         }
-     }
-
-     return sf;
-}
-
-char *pkg_state_status_to_str(pkg_state_status_t ss)
-{
-     int i;
-
-     for (i=0; i < ARRAY_SIZE(pkg_state_status_map); i++) {
-         if (pkg_state_status_map[i].value == ss) {
-              return xstrdup(pkg_state_status_map[i].str);
-         }
-     }
-
-     fprintf(stderr, "%s: ERROR: Illegal value for state_status: %d\n",
-            __FUNCTION__, ss);
-     return xstrdup("<STATE_STATUS_UNKNOWN>");
-}
-
-pkg_state_status_t pkg_state_status_from_str(const char *str)
-{
-     int i;
-
-     for (i=0; i < ARRAY_SIZE(pkg_state_status_map); i++) {
-         if (strcmp(str, pkg_state_status_map[i].str) == 0) {
-              return pkg_state_status_map[i].value;
-         }
-     }
-
-     fprintf(stderr, "%s: ERROR: Illegal value for state_status string: %s\n",
-            __FUNCTION__, str);
-     return SS_NOT_INSTALLED;
-}
-
-int pkg_arch_supported(opkg_conf_t *conf, pkg_t *pkg)
+int
+pkg_arch_supported(opkg_conf_t *conf, pkg_t *pkg)
 {
      nv_pair_list_elt_t *l;
 
@@ -1390,7 +1376,8 @@ int pkg_arch_supported(opkg_conf_t *conf, pkg_t *pkg)
      return 0;
 }
 
-int pkg_get_arch_priority(opkg_conf_t *conf, const char *archname)
+int
+pkg_get_arch_priority(opkg_conf_t *conf, const char *archname)
 {
      nv_pair_list_elt_t *l;
 
@@ -1404,7 +1391,8 @@ int pkg_get_arch_priority(opkg_conf_t *conf, const char *archname)
      return 0;
 }
 
-int pkg_info_preinstall_check(opkg_conf_t *conf)
+void
+pkg_info_preinstall_check(opkg_conf_t *conf)
 {
      int i;
      hash_table_t *pkg_hash = &conf->pkg_hash;
@@ -1461,8 +1449,6 @@ int pkg_info_preinstall_check(opkg_conf_t *conf)
          pkg_free_installed_files(pkg);
      }
      pkg_vec_free(installed_pkgs);
-
-     return 0;
 }
 
 struct pkg_write_filelist_data {
@@ -1471,7 +1457,8 @@ struct pkg_write_filelist_data {
      FILE *stream;
 };
 
-void pkg_write_filelist_helper(const char *key, void *entry_, void *data_)
+void
+pkg_write_filelist_helper(const char *key, void *entry_, void *data_)
 {
      struct pkg_write_filelist_data *data = data_;
      pkg_t *entry = entry_;
@@ -1480,62 +1467,61 @@ void pkg_write_filelist_helper(const char *key, void *entry_, void *data_)
      }
 }
 
-int pkg_write_filelist(opkg_conf_t *conf, pkg_t *pkg)
+int
+pkg_write_filelist(opkg_conf_t *conf, pkg_t *pkg)
 {
-     struct pkg_write_filelist_data data;
-     char *list_file_name = NULL;
-     int err = 0;
+       struct pkg_write_filelist_data data;
+       char *list_file_name;
 
-     if (!pkg) {
-         opkg_message(conf, OPKG_ERROR, "Null pkg\n");
-         return -EINVAL;
-     }
-     opkg_message(conf, OPKG_INFO,
-                 "    creating %s.list file\n", pkg->name);
-     sprintf_alloc(&list_file_name, "%s/%s.list", pkg->dest->info_dir, pkg->name);
-     if (!list_file_name) {
-         opkg_message(conf, OPKG_ERROR, "Failed to alloc list_file_name\n");
-         return -ENOMEM;
-     }
-     opkg_message(conf, OPKG_INFO,
-                 "    creating %s file for pkg %s\n", list_file_name, pkg->name);
-     data.stream = fopen(list_file_name, "w");
-     if (!data.stream) {
-         opkg_message(conf, OPKG_ERROR, "Could not open %s for writing: %s\n",
-                      list_file_name, strerror(errno));
-                      return errno;
-     }
-     data.pkg = pkg;
-     data.conf = conf;
-     hash_table_foreach(&conf->file_hash, pkg_write_filelist_helper, &data);
-     fclose(data.stream);
-     free(list_file_name);
+       sprintf_alloc(&list_file_name, "%s/%s.list",
+                       pkg->dest->info_dir, pkg->name);
+
+       opkg_message(conf, OPKG_INFO, "%s: creating %s file for pkg %s\n",
+                       __FUNCTION__, list_file_name, pkg->name);
+
+       data.stream = fopen(list_file_name, "w");
+       if (!data.stream) {
+               opkg_message(conf, OPKG_ERROR, "%s: fopen(%s, \"w\"): %s\n",
+                       __FUNCTION__, list_file_name, strerror(errno));
+               free(list_file_name);
+               return -1;
+       }
+
+       data.pkg = pkg;
+       data.conf = conf;
+       hash_table_foreach(&conf->file_hash, pkg_write_filelist_helper, &data);
+       fclose(data.stream);
+       free(list_file_name);
 
-     pkg->state_flag &= ~SF_FILELIST_CHANGED;
+       pkg->state_flag &= ~SF_FILELIST_CHANGED;
 
-     return err;
+       return 0;
 }
 
-int pkg_write_changed_filelists(opkg_conf_t *conf)
+int
+pkg_write_changed_filelists(opkg_conf_t *conf)
 {
-     pkg_vec_t *installed_pkgs = pkg_vec_alloc();
-     hash_table_t *pkg_hash = &conf->pkg_hash;
-     int i;
-     int err;
-     if (conf->noaction)
-         return 0;
+       pkg_vec_t *installed_pkgs = pkg_vec_alloc();
+       hash_table_t *pkg_hash = &conf->pkg_hash;
+       int i, err, ret = 0;
+
+       if (conf->noaction)
+               return 0;
+
+       opkg_message(conf, OPKG_INFO, "%s: saving changed filelists\n",
+                       __FUNCTION__);
+
+       pkg_hash_fetch_all_installed(pkg_hash, installed_pkgs);
+       for (i = 0; i < installed_pkgs->len; i++) {
+               pkg_t *pkg = installed_pkgs->pkgs[i];
+               if (pkg->state_flag & SF_FILELIST_CHANGED) {
+                       err = pkg_write_filelist(conf, pkg);
+                       if (err)
+                               ret = -1;
+               }
+       }
 
-     opkg_message(conf, OPKG_INFO, "%s: saving changed filelists\n", __FUNCTION__);
-     pkg_hash_fetch_all_installed(pkg_hash, installed_pkgs);
-     for (i = 0; i < installed_pkgs->len; i++) {
-         pkg_t *pkg = installed_pkgs->pkgs[i];
-         if (pkg->state_flag & SF_FILELIST_CHANGED) {
-               opkg_message(conf, OPKG_DEBUG, "Calling pkg_write_filelist for pkg=%s from %s\n", pkg->name, __FUNCTION__);
-              err = pkg_write_filelist(conf, pkg);
-              if (err)
-                   opkg_message(conf, OPKG_NOTICE, "pkg_write_filelist pkg=%s returned %d\n", pkg->name, err);
-         }
-     }
-     pkg_vec_free (installed_pkgs);
-     return 0;
+       pkg_vec_free (installed_pkgs);
+
+       return ret;
 }