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update error message

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This commit is contained in:
Yann Collet
2025-03-28 10:02:37 -07:00
parent 0bdeb1d204
commit 2f9627863f
2 changed files with 4 additions and 3 deletions
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5
programs/fileio.c
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@ -659,9 +659,10 @@ FIO_openDstFile(FIO_ctx_t* fCtx, FIO_prefs_t* const prefs,
}
#endif
if (f == NULL) {
DISPLAYLEVEL(1, "zstd: %s: %s\n", dstFileName, strerror(errno));
if (UTIL_isFileDescriptorPipe(dstFileName)) {
DISPLAYLEVEL(1, "When using process substitution (<(...)), specify an output destination with -o or -c. \n");
DISPLAYLEVEL(1, "zstd: error: no output specified (use -o or -c). \n");
} else {
DISPLAYLEVEL(1, "zstd: %s: %s\n", dstFileName, strerror(errno));
}
} else {
/* An increased buffer size can provide a significant performance