X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_open.c;h=c0e6545a2b2f3208b96147158ec9c65cf559a334;hb=32bff69819374d9875577fe106dee60af473637b;hp=36bc87585dec88facb3b123a0331774bcc6f8de4;hpb=5837606887a6d81e8b1f7588525cb1c8783fb62b;p=rrdtool.git diff --git a/src/rrd_open.c b/src/rrd_open.c index 36bc875..c0e6545 100644 --- a/src/rrd_open.c +++ b/src/rrd_open.c @@ -1,12 +1,29 @@ /***************************************************************************** - * RRDtool 1.0.33 Copyright Tobias Oetiker, 1997 - 2000 + * RRDtool 1.1.x Copyright Tobias Oetiker, 1997 - 2002 ***************************************************************************** * rrd_open.c Open an RRD File ***************************************************************************** * $Id$ * $Log$ - * Revision 1.1 2001/02/25 22:25:05 oetiker - * Initial revision + * Revision 1.5 2002/06/20 00:21:03 jake + * More Win32 build changes; thanks to Kerry Calvert. + * + * Revision 1.4 2002/02/01 20:34:49 oetiker + * fixed version number and date/time + * + * Revision 1.3 2001/03/04 13:01:55 oetiker + * Aberrant Behavior Detection support. A brief overview added to rrdtool.pod. + * Major updates to rrd_update.c, rrd_create.c. Minor update to other core files. + * This is backwards compatible! But new files using the Aberrant stuff are not readable + * by old rrdtool versions. See http://cricket.sourceforge.net/aberrant/rrd_hw.htm + * -- Jake Brutlag + * + * Revision 1.2 2001/03/04 10:29:20 oetiker + * fixed filedescriptor leak + * -- Mike Franusich + * + * Revision 1.1.1.1 2001/02/25 22:25:05 oetiker + * checkin * *****************************************************************************/ @@ -41,10 +58,20 @@ rrd_open(char *file_name, FILE **in_file, rrd_t *rrd, int rdwr) rrd_set_error("opening '%s': %s",file_name, strerror(errno)); return (-1); } +/* + if (rdwr == RRD_READWRITE) + { + if (setvbuf((*in_file),NULL,_IONBF,2)) { + rrd_set_error("failed to disable the stream buffer\n"); + return (-1); + } + } +*/ #define MYFREAD(MYVAR,MYVART,MYCNT) \ if ((MYVAR = malloc(sizeof(MYVART) * MYCNT)) == NULL) {\ rrd_set_error("" #MYVAR " malloc"); \ + fclose(*in_file); \ return (-1); } \ fread(MYVAR,sizeof(MYVART),MYCNT, *in_file); @@ -55,17 +82,20 @@ rrd_open(char *file_name, FILE **in_file, rrd_t *rrd, int rdwr) if (strncmp(rrd->stat_head->cookie,RRD_COOKIE,4) != 0){ rrd_set_error("'%s' is not an RRD file",file_name); free(rrd->stat_head); + fclose(*in_file); return(-1);} - if (strncmp(rrd->stat_head->version,RRD_VERSION,5) != 0){ - rrd_set_error("cant handle RRD file version %s", + if (atoi(rrd->stat_head->version) > atoi(RRD_VERSION)){ + rrd_set_error("can't handle RRD file version %s", rrd->stat_head->version); free(rrd->stat_head); + fclose(*in_file); return(-1);} if (rrd->stat_head->float_cookie != FLOAT_COOKIE){ rrd_set_error("This RRD was created on other architecture"); free(rrd->stat_head); + fclose(*in_file); return(-1);} MYFREAD(rrd->ds_def, ds_def_t, rrd->stat_head->ds_cnt) @@ -104,6 +134,14 @@ void rrd_free(rrd_t *rrd) free(rrd->rrd_value); } +/* routine used by external libraries to free memory allocated by + * rrd library */ +void rrd_freemem(void *mem) +{ + + free(mem); +} + int readfile(char *file_name, char **buffer, int skipfirst){ long writecnt=0,totalcnt = MEMBLK; FILE *input=NULL;