diff options
Diffstat (limited to 'src/backend/storage/file/buffile.c')
| -rw-r--r-- | src/backend/storage/file/buffile.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/src/backend/storage/file/buffile.c b/src/backend/storage/file/buffile.c index 29a01f02c92..95f2885c619 100644 --- a/src/backend/storage/file/buffile.c +++ b/src/backend/storage/file/buffile.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/file/buffile.c,v 1.21 2004/12/31 22:00:51 pgsql Exp $ + * $PostgreSQL: pgsql/src/backend/storage/file/buffile.c,v 1.22 2005/10/15 02:49:25 momjian Exp $ * * NOTES: * @@ -59,8 +59,8 @@ struct BufFile long *offsets; /* palloc'd array with numFiles entries */ /* - * offsets[i] is the current seek position of files[i]. We use this - * to avoid making redundant FileSeek calls. + * offsets[i] is the current seek position of files[i]. We use this to + * avoid making redundant FileSeek calls. */ bool isTemp; /* can only add files if this is TRUE */ @@ -68,9 +68,8 @@ struct BufFile bool dirty; /* does buffer need to be written? */ /* - * "current pos" is position of start of buffer within the logical - * file. Position as seen by user of BufFile is (curFile, curOffset + - * pos). + * "current pos" is position of start of buffer within the logical file. + * Position as seen by user of BufFile is (curFile, curOffset + pos). */ int curFile; /* file index (0..n) part of current pos */ int curOffset; /* offset part of current pos */ @@ -125,7 +124,7 @@ extendBufFile(BufFile *file) file->files = (File *) repalloc(file->files, (file->numFiles + 1) * sizeof(File)); file->offsets = (long *) repalloc(file->offsets, - (file->numFiles + 1) * sizeof(long)); + (file->numFiles + 1) * sizeof(long)); file->files[file->numFiles] = pfile; file->offsets[file->numFiles] = 0L; file->numFiles++; @@ -270,8 +269,8 @@ BufFileDumpBuffer(BufFile *file) } /* - * Enforce per-file size limit only for temp files, else just try - * to write as much as asked... + * Enforce per-file size limit only for temp files, else just try to + * write as much as asked... */ bytestowrite = file->nbytes - wpos; if (file->isTemp) @@ -302,11 +301,10 @@ BufFileDumpBuffer(BufFile *file) file->dirty = false; /* - * At this point, curOffset has been advanced to the end of the - * buffer, ie, its original value + nbytes. We need to make it point - * to the logical file position, ie, original value + pos, in case - * that is less (as could happen due to a small backwards seek in a - * dirty buffer!) + * At this point, curOffset has been advanced to the end of the buffer, + * ie, its original value + nbytes. We need to make it point to the + * logical file position, ie, original value + pos, in case that is less + * (as could happen due to a small backwards seek in a dirty buffer!) */ file->curOffset -= (file->nbytes - file->pos); if (file->curOffset < 0) /* handle possible segment crossing */ @@ -317,8 +315,7 @@ BufFileDumpBuffer(BufFile *file) } /* - * Now we can set the buffer empty without changing the logical - * position + * Now we can set the buffer empty without changing the logical position */ file->pos = 0; file->nbytes = 0; @@ -467,8 +464,8 @@ BufFileSeek(BufFile *file, int fileno, long offset, int whence) /* * Relative seek considers only the signed offset, ignoring - * fileno. Note that large offsets (> 1 gig) risk overflow in - * this add... + * fileno. Note that large offsets (> 1 gig) risk overflow in this + * add... */ newFile = file->curFile; newOffset = (file->curOffset + file->pos) + offset; @@ -507,8 +504,8 @@ BufFileSeek(BufFile *file, int fileno, long offset, int whence) /* * At this point and no sooner, check for seek past last segment. The - * above flush could have created a new segment, so checking sooner - * would not work (at least not with this code). + * above flush could have created a new segment, so checking sooner would + * not work (at least not with this code). */ if (file->isTemp) { |