Changeset 12099

Timestamp:

06/17/2009 05:20:18 PM (15 months ago)

Author:

dstn

Message:

add pad-file

Location:

trunk/src/astrometry/util

Files:

• Makefile (modified) (2 diffs)
• ioutils.c (modified) (1 diff)
• ioutils.h (modified) (1 diff)
• pad-file.c (added)
• svn.c (modified) (1 diff)

trunk/src/astrometry/util/Makefile

@@ -64 +64 @@
 PYTHON_LIBS := _sip.so _healpix.so
 
-PROGS := an-fitstopnm downsample-fits
+PROGS := an-fitstopnm downsample-fits pad-file
 
 all: $(ANUTILS_LIB) $(ANFILES_LIB) $(PYTHON_LIBS) $(PROGS)
@@ -123 +123 @@
 _healpix.so: healpix.o starutil.o mathutil.o errors.o bl.o log.o
         $(CC) $(SHAREDLIBFLAGS) -o $@ $^
+
+pad-file: pad-file.o $(ANUTILS_LIB)
 
 an-fitstopnm: an-fitstopnm.o $(ANUTILS_LIB) $(QFITS_LIB)

trunk/src/astrometry/util/ioutils.c

@@ -43 +43 @@
 
 uint32_t ENDIAN_DETECTOR = 0x01020304;
+
+int pad_fid(FILE* fid, size_t len, char pad) {
+        off_t offset;
+        size_t npad;
+        size_t i;
+        // pad with zeros up to a multiple of 2880 bytes.
+        offset = ftello(fid);
+        npad = len - offset;
+        for (i=0; i<npad; i++)
+                if (fwrite(&pad, 1, 1, fid) != 1) {
+                        SYSERROR("Failed to pad file");
+                        return -1;
+                }
+        return 0;
+}
+
+int pad_file(char* filename, size_t len, char pad) {
+        int rtn;
+        FILE* fid = fopen(filename, "ab");
+        if (!fid) {
+                SYSERROR("Failed to open file \"%s\" for padding", filename);
+                return -1;
+        }
+        rtn = pad_file(fid, len, pad);
+        if (!rtn && fclose(fid)) {
+                SYSERROR("Failed to close file \"%s\" after padding it", filename);
+                return -1;
+        }
+        return rtn;
+}
 
 Malloc

trunk/src/astrometry/util/ioutils.h

@@ -29 +29 @@
 
 extern uint32_t ENDIAN_DETECTOR;
+
+int pad_fid(FILE* fid, size_t len, char pad);
+int pad_file(char* filename, size_t len, char pad);
 
 /*

trunk/src/astrometry/util/svn.c

@@ -186 +186 @@
 //
 //
+//
+//