From 649968ceb156cdf907c5630a37df9b1a5ede51e4 Mon Sep 17 00:00:00 2001 From: Glenn L McGrath Date: Sat, 10 Feb 2001 14:26:48 +0000 Subject: Bug fix, rename status file, cleanups --- archival/dpkg.c | 122 +++++++++++++++++++++++--------------------------------- 1 file changed, 51 insertions(+), 71 deletions(-) (limited to 'archival/dpkg.c') diff --git a/archival/dpkg.c b/archival/dpkg.c index e8c5557fa..eab2ace92 100644 --- a/archival/dpkg.c +++ b/archival/dpkg.c @@ -8,6 +8,7 @@ #include #include #include + #include "busybox.h" //#define PACKAGE "udpkg" @@ -24,19 +25,16 @@ #define DODEBUG 0 #ifdef DODEBUG -#include -#define ASSERT(x) assert(x) #define SYSTEM(x) do_system(x) #define DPRINTF(fmt,args...) fprintf(stderr, fmt, ##args) #else -#define ASSERT(x) /* nothing */ #define SYSTEM(x) system(x) #define DPRINTF(fmt,args...) /* nothing */ #endif #define BUFSIZE 4096 #define ADMINDIR "/var/lib/dpkg" -#define STATUSFILE ADMINDIR ## "/status" +#define STATUSFILE ADMINDIR ## "/status.udeb" #define DPKGCIDIR ADMINDIR ## "/tmp.ci/" #define INFODIR ADMINDIR ## "/info/" #define UDPKG_QUIET "UDPKG_QUIET" @@ -81,7 +79,7 @@ const int color_grey = 1; const int color_black = 2; /* data structures */ -struct package_t { +typedef struct package_s { char *file; char *package; char *version; @@ -91,17 +89,16 @@ struct package_t { int installer_menu_item; unsigned long status; char color; /* for topo-sort */ - struct package_t *requiredfor[DEPENDSMAX]; + struct package_s *requiredfor[DEPENDSMAX]; unsigned short requiredcount; - struct package_t *next; -}; + struct package_s *next; +} package_t; -/* function prototypes */ -void *status_read(void); -void control_read(FILE *f, struct package_t *p); -int status_merge(void *status, struct package_t *pkgs); -int package_compare(const void *p1, const void *p2); -struct package_t *depends_resolve(struct package_t *pkgs, void *status); +static int package_compare(const void *p1, const void *p2) +{ + return strcmp(((package_t *)p1)->package, + ((package_t *)p2)->package); +} #ifdef DODEPENDS #include @@ -139,8 +136,8 @@ static char **depends_split(const char *dependsstr) return dependsvec; } -static void depends_sort_visit(struct package_t **ordered, - struct package_t *pkgs, struct package_t *pkg) +static void depends_sort_visit(package_t **ordered, package_t *pkgs, + package_t *pkg) { /* Topological sort algorithm: * ordered is the output list, pkgs is the dependency graph, pkg is @@ -177,12 +174,12 @@ static void depends_sort_visit(struct package_t **ordered, pkg->color = color_black; } -static struct package_t *depends_sort(struct package_t *pkgs) +static package_t *depends_sort(package_t *pkgs) { /* TODO: it needs to break cycles in the to-be-installed package * graph... */ - struct package_t *ordered = NULL; - struct package_t *pkg; + package_t *ordered = NULL; + package_t *pkg; for (pkg = pkgs; pkg != 0; pkg = pkg->next) pkg->color = color_white; @@ -207,10 +204,10 @@ static struct package_t *depends_sort(struct package_t *pkgs) * efficient algorithm, but given that at any one time you are unlikely * to install a very large number of packages it doesn't really matter */ -struct package_t *depends_resolve(struct package_t *pkgs, void *status) +static package_t *depends_resolve(package_t *pkgs, void *status) { - struct package_t *pkg, *chk; - struct package_t dependpkg; + package_t *pkg, *chk; + package_t dependpkg; char **dependsvec; int i; void *found; @@ -224,7 +221,7 @@ struct package_t *depends_resolve(struct package_t *pkgs, void *status) /* Check for dependencies; first look for installed packages */ dependpkg.package = dependsvec[i]; if ((found = tfind(&dependpkg, &status, package_compare)) == 0 || - ((chk = *(struct package_t **)found) && + ((chk = *(package_t **)found) && (chk->status & (status_flagok | status_statusinstalled)) != (status_flagok | status_statusinstalled))) { @@ -276,12 +273,6 @@ struct package_t *depends_resolve(struct package_t *pkgs, void *status) * read using the status_read function is written back to the status file */ -int package_compare(const void *p1, const void *p2) -{ - return strcmp(((struct package_t *)p1)->package, - ((struct package_t *)p2)->package); -} - static unsigned long status_parse(const char *line) { char *p; @@ -340,7 +331,7 @@ static const char *status_print(unsigned long flags) * Read a control file (or a stanza of a status file) and parse it, * filling parsed fields into the package structure */ -void control_read(FILE *f, struct package_t *p) +static void control_read(FILE *f, package_t *p) { char buf[BUFSIZE]; while (fgets(buf, BUFSIZE, f) && !feof(f)) @@ -377,11 +368,11 @@ void control_read(FILE *f, struct package_t *p) } } -void *status_read(void) +static void *status_read(void) { FILE *f; void *status = 0; - struct package_t *m = 0, *p = 0, *t = 0; + package_t *m = 0, *p = 0, *t = 0; if ((f = fopen(STATUSFILE, "r")) == NULL) { @@ -392,8 +383,8 @@ void *status_read(void) printf("(Reading database...)\n"); while (!feof(f)) { - m = (struct package_t *)malloc(sizeof(struct package_t)); - memset(m, 0, sizeof(struct package_t)); + m = (package_t *)malloc(sizeof(package_t)); + memset(m, 0, sizeof(package_t)); control_read(f, m); if (m->package) { @@ -411,11 +402,11 @@ void *status_read(void) * of a pseudo package into the status * binary-tree. */ - p = (struct package_t *)malloc(sizeof(struct package_t)); - memset(p, 0, sizeof(struct package_t)); + p = (package_t *)malloc(sizeof(package_t)); + memset(p, 0, sizeof(package_t)); p->package = strdup(m->provides); - t = *(struct package_t **)tsearch(p, &status, package_compare); + t = *(package_t **)tsearch(p, &status, package_compare); if (!(t == p)) { free(p->package); @@ -443,12 +434,12 @@ void *status_read(void) return status; } -int status_merge(void *status, struct package_t *pkgs) +static int status_merge(void *status, package_t *pkgs) { FILE *fin, *fout; char buf[BUFSIZE]; - struct package_t *pkg = 0, *statpkg = 0; - struct package_t locpkg; + package_t *pkg = 0, *statpkg = 0; + package_t locpkg; int r = 0; if ((fin = fopen(STATUSFILE, "r")) == NULL) @@ -475,8 +466,8 @@ int status_merge(void *status, struct package_t *pkgs) */ if (strstr(buf, "Package: ") == buf) { - for (pkg = pkgs; pkg != 0 && strncmp(buf+9, - pkg->package, strlen(pkg->package))!=0; + for (pkg = pkgs; pkg != 0 && strncmp(buf + 9, + pkg->package, strlen(buf) - 9)!=0; pkg = pkg->next) ; locpkg.package = buf+9; @@ -486,7 +477,7 @@ int status_merge(void *status, struct package_t *pkgs) * file was changed while we are processing (no locking * is currently done... */ - if (statpkg != 0) statpkg = *(struct package_t **)statpkg; + if (statpkg != 0) statpkg = *(package_t **)statpkg; } if (pkg != 0) continue; @@ -522,17 +513,6 @@ int status_merge(void *status, struct package_t *pkgs) return 0; } -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - /* * Main udpkg implementation routines */ @@ -587,7 +567,7 @@ static int dpkg_copyfile(const char *src, const char *dest) return 1; } -static int dpkg_doconfigure(struct package_t *pkg) +static int dpkg_doconfigure(package_t *pkg) { int r; char postinst[1024]; @@ -611,7 +591,7 @@ static int dpkg_doconfigure(struct package_t *pkg) return 0; } -static int dpkg_dounpack(struct package_t *pkg) +static int dpkg_dounpack(package_t *pkg) { int r = 0; char *cwd, *p; @@ -701,13 +681,13 @@ static int dpkg_dounpack(struct package_t *pkg) return r; } -static int dpkg_doinstall(struct package_t *pkg) +static int dpkg_doinstall(package_t *pkg) { DPRINTF("Installing %s\n", pkg->package); return (dpkg_dounpack(pkg) || dpkg_doconfigure(pkg)); } -static int dpkg_unpackcontrol(struct package_t *pkg) +static int dpkg_unpackcontrol(package_t *pkg) { int r = 1; char *cwd = 0; @@ -742,10 +722,10 @@ static int dpkg_unpackcontrol(struct package_t *pkg) return r; } -static int dpkg_unpack(struct package_t *pkgs) +static int dpkg_unpack(package_t *pkgs) { int r = 0; - struct package_t *pkg; + package_t *pkg; void *status = status_read(); if (SYSTEM("rm -rf -- " DPKGCIDIR) != 0 || @@ -766,11 +746,11 @@ static int dpkg_unpack(struct package_t *pkgs) return r; } -static int dpkg_configure(struct package_t *pkgs) +static int dpkg_configure(package_t *pkgs) { int r = 0; void *found; - struct package_t *pkg; + package_t *pkg; void *status = status_read(); for (pkg = pkgs; pkg != 0 && r == 0; pkg = pkg->next) { @@ -784,16 +764,16 @@ static int dpkg_configure(struct package_t *pkgs) { /* configure the package listed in the status file; * not pkg, as we have info only for the latter */ - r = dpkg_doconfigure(*(struct package_t **)found); + r = dpkg_doconfigure(*(package_t **)found); } } status_merge(status, 0); return r; } -static int dpkg_install(struct package_t *pkgs) +static int dpkg_install(package_t *pkgs) { - struct package_t *p, *ordered = 0; + package_t *p, *ordered = 0; void *status = status_read(); if (SYSTEM("rm -rf -- " DPKGCIDIR) != 0 || mkdir(DPKGCIDIR, S_IRWXU) != 0) @@ -842,9 +822,9 @@ static int dpkg_install(struct package_t *pkgs) return 0; } -static int dpkg_remove(struct package_t *pkgs) +static int dpkg_remove(package_t *pkgs) { - struct package_t *p; + package_t *p; void *status = status_read(); for (p = pkgs; p != 0; p = p->next) { @@ -853,11 +833,11 @@ static int dpkg_remove(struct package_t *pkgs) return 0; } -int dpkg_main(int argc, char **argv) +extern int dpkg_main(int argc, char **argv) { char opt = 0; char *s; - struct package_t *p, *packages = NULL; + package_t *p, *packages = NULL; char *cwd = getcwd(0, 0); while (*++argv) { @@ -870,8 +850,8 @@ int dpkg_main(int argc, char **argv) } else { - p = (struct package_t *)malloc(sizeof(struct package_t)); - memset(p, 0, sizeof(struct package_t)); + p = (package_t *)malloc(sizeof(package_t)); + memset(p, 0, sizeof(package_t)); if (**argv == '/') p->file = *argv; else if (opt != 'c') -- cgit v1.2.3