diff options
Diffstat (limited to 'src/bin/pg_dump/compress_io.c')
| -rw-r--r-- | src/bin/pg_dump/compress_io.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/bin/pg_dump/compress_io.c b/src/bin/pg_dump/compress_io.c index 991fe11e8a6..e94f7d32743 100644 --- a/src/bin/pg_dump/compress_io.c +++ b/src/bin/pg_dump/compress_io.c @@ -592,8 +592,14 @@ cfread(void *ptr, int size, cfp *fp) { ret = gzread(fp->compressedfp, ptr, size); if (ret != size && !gzeof(fp->compressedfp)) + { + int errnum; + const char *errmsg = gzerror(fp->compressedfp, &errnum); + exit_horribly(modulename, - "could not read from input file: %s\n", strerror(errno)); + "could not read from input file: %s\n", + errnum == Z_ERRNO ? strerror(errno) : errmsg); + } } else #endif @@ -695,6 +701,22 @@ cfeof(cfp *fp) return feof(fp->uncompressedfp); } +const char * +get_cfp_error(cfp *fp) +{ +#ifdef HAVE_LIBZ + if (fp->compressedfp) + { + int errnum; + const char *errmsg = gzerror(fp->compressedfp, &errnum); + + if (errnum != Z_ERRNO) + return errmsg; + } +#endif + return strerror(errno); +} + #ifdef HAVE_LIBZ static int hasSuffix(const char *filename, const char *suffix) |