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| author | ache <ache@FreeBSD.org> | 2002-05-31 18:12:21 +0800 |
|---|---|---|
| committer | ache <ache@FreeBSD.org> | 2002-05-31 18:12:21 +0800 |
| commit | 6c5681db8a7ff7fa4c4494a3cf4f03adb6de13d8 (patch) | |
| tree | 0e48eba9ed4bcdfbd02269540568d9a8694b4a9f /archivers/zip/files | |
| parent | 95ffbd7cc1bee25f115308f2b272add084ab83c3 (diff) | |
| download | freebsd-ports-gnome-6c5681db8a7ff7fa4c4494a3cf4f03adb6de13d8.tar.gz freebsd-ports-gnome-6c5681db8a7ff7fa4c4494a3cf4f03adb6de13d8.tar.zst freebsd-ports-gnome-6c5681db8a7ff7fa4c4494a3cf4f03adb6de13d8.zip | |
Prevent negative fseek for old FreeBSD versions
PR: 33170
Submitted by: "Vadim Mikhailov" <mvp@braz.ru> (partially)
Diffstat (limited to 'archivers/zip/files')
| -rw-r--r-- | archivers/zip/files/patch-negfseek | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/archivers/zip/files/patch-negfseek b/archivers/zip/files/patch-negfseek new file mode 100644 index 000000000000..32471538823b --- /dev/null +++ b/archivers/zip/files/patch-negfseek @@ -0,0 +1,59 @@ +--- zipfile.c.orig Sun Nov 7 13:30:11 1999 ++++ zipfile.c Fri May 31 13:58:36 2002 +@@ -14,6 +14,10 @@ + #include "zip.h" + #include "revision.h" + ++#ifdef __FreeBSD__ ++#include <sys/param.h> ++#endif ++ + #ifdef VMS + # include <rms.h> + # include <starlet.h> +@@ -628,6 +632,18 @@ + + #endif /* !UTIL */ + ++#ifdef __FreeBSD__ ++#if __FreeBSD_version < 500028 ++local off_t fsize(FILE *f) { ++ struct stat s; ++ ++ if (f == NULL) return 0; ++ if (fstat(fileno(f), &s) < 0) return 0; ++ return s.st_size; ++} ++#endif ++#endif ++ + /* + * scanzipf_reg starts searching for the End Signature at the end of the file + * The End Signature points to the Central Directory Signature which points +@@ -667,7 +683,13 @@ + t[1] = '\0'; + t[2] = '\0'; + t[3] = '\0'; +- if (fseek(f, -4096L, SEEK_END) == 0) { ++ if ( ++#ifdef __FreeBSD__ ++#if __FreeBSD_version < 500028 ++ fsize(f) >= 4096L && ++#endif ++#endif ++ fseek(f, -4096L, SEEK_END) == 0) { + zipbeg = (ulg) (ftell(f) + 4096L); + while (!found && zipbeg >= 4096) { + zipbeg -= 4096L; +@@ -678,6 +700,11 @@ + * XXX error check ?? + */ + fread(buf, 1, 4096, f); ++#ifdef __FreeBSD__ ++#if __FreeBSD_version < 500028 ++ if (ftell(f) >= 8192L) ++#endif ++#endif + fseek(f, -8192L, SEEK_CUR); + t = &buf[4095]; + /* |