| MS_SPLITSRCNAME(3) | Library Functions Manual | MS_SPLITSRCNAME(3) |
ms_splitsrcname - Split source names into the SEED naming nomenclature.
#include <libmseed.h>
char *ms_splitsrcname ( char *srcname, char *net, char * sta,
char * loc, char *chan, char *qual );
The ms_splitsrcname routine parses SEED channel naming components from a source name string in the following format:
"NET_STA_LOC_CHAN[_QUAL]"
The first four components are required to uniquely identify a SEED channel, generally these are always present in a srcname. The Quality code is normally optional in a source name.
The arguments for the first four components (net, sta, loc & chan) are treated as strings but the quality code (qual) is treated as a pointer to a single character.
Memory for the requested component strings must already be allocated. If a component pointer is NULL it will not be parsed from the string.
Source names in the expected format are created, for example, by the ms_recsrcname(3), msr_srcname(3) and mst_srcname(3) routines.
The source name should never include spaces. The fixed format nature of SEED data records leads to blank or unused location IDs represented by spaces, in a source name such blank location IDs should be collapsed to nothing in the resulting sources names. A blank location ID is parsed from a source name as an empty string (not two spaces).
This usage will result in net="IU", sta="ANMO", loc="00", chan="BHZ" and qual will remain unchanged (because it was not contained in the input srcname):
ms_splitsrcname("IU_ANMO_00_BHZ", net, sta, loc, chan, qual);
This usage will limit the parsing to only the network and station components with net="IU", sta="ANMO":
ms_splitsrcname("IU_ANMO_00_BHZ", net, sta, NULL, NULL, NULL);
The following usage illustrates a blank location ID and included quality code:
ms_splitsrcname("IU_ANMO__BHZ_Q", net, sta, loc, chan, qual);
The result is:
net = "IU" sta = "ANMO" loc = "" chan = "BHZ" qual = 'Q'
Return 0 on success and -1 on error.
Chad Trabant IRIS Data Management Center
| 2009/12/19 | Libmseed API |