diff options
Diffstat (limited to 'src/bin/pg_rewind/file_ops.c')
| -rw-r--r-- | src/bin/pg_rewind/file_ops.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/bin/pg_rewind/file_ops.c b/src/bin/pg_rewind/file_ops.c index 94bcc13ae86..0bd110f9b00 100644 --- a/src/bin/pg_rewind/file_ops.c +++ b/src/bin/pg_rewind/file_ops.c @@ -289,6 +289,7 @@ slurpFile(const char *datadir, const char *path, size_t *filesize) struct stat statbuf; char fullpath[MAXPGPATH]; int len; + int r; snprintf(fullpath, sizeof(fullpath), "%s/%s", datadir, path); @@ -304,9 +305,16 @@ slurpFile(const char *datadir, const char *path, size_t *filesize) buffer = pg_malloc(len + 1); - if (read(fd, buffer, len) != len) - pg_fatal("could not read file \"%s\": %s\n", - fullpath, strerror(errno)); + r = read(fd, buffer, len); + if (r != len) + { + if (r < 0) + pg_fatal("could not read file \"%s\": %s\n", + fullpath, strerror(errno)); + else + pg_fatal("could not read file \"%s\": read %d of %zu\n", + fullpath, r, (Size) len); + } close(fd); /* Zero-terminate the buffer. */ |