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Make it possible to seek within a gzip stream.
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parent
ec7935bfef
commit
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=256644
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@ -29,6 +29,12 @@ xgzclose(void *cookie)
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return gzclose(cookie);
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}
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static fpos_t
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xgzseek(void *cookie, fpos_t offset, int whence)
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{
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return gzseek(cookie, (z_off_t)offset, whence);
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}
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FILE *
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zopen(const char *fname, const char *mode)
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{
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@ -37,7 +43,7 @@ zopen(const char *fname, const char *mode)
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return NULL;
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if(*mode == 'r')
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return (funopen(gz, xgzread, NULL, NULL, xgzclose));
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return (funopen(gz, xgzread, NULL, xgzseek, xgzclose));
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else
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return (funopen(gz, NULL, xgzwrite, NULL, xgzclose));
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return (funopen(gz, NULL, xgzwrite, xgzseek, xgzclose));
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}
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