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daemon: modernize program_of_csum() using table lookup

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Signed-off-by: Susant Sahani <ssahani@redhat.com>
This commit is contained in:
Susant Sahani
2025-11-20 17:41:10 +05:30
committed by rwmjones
parent 3c56167615
commit e04a450ec7
1 changed files with 22 additions and 22 deletions
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44
daemon/checksum.c
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@@ -32,28 +32,28 @@
static const char *
program_of_csum (const char *csumtype)
{
if (STRCASEEQ (csumtype, "crc"))
return "cksum";
else if (STRCASEEQ (csumtype, "md5"))
return "md5sum";
else if (STRCASEEQ (csumtype, "sha1"))
return "sha1sum";
else if (STRCASEEQ (csumtype, "sha224"))
return "sha224sum";
else if (STRCASEEQ (csumtype, "sha256"))
return "sha256sum";
else if (STRCASEEQ (csumtype, "sha384"))
return "sha384sum";
else if (STRCASEEQ (csumtype, "sha512"))
return "sha512sum";
else if (STRCASEEQ (csumtype, "gost"))
return "gostsum";
else if (STRCASEEQ (csumtype, "gost12"))
return "gost12sum";
else {
reply_with_error ("unknown checksum type, expecting crc|md5|sha1|sha224|sha256|sha384|sha512|gost|gost12");
return NULL;
}
static const struct {
const char *algorithm; /* e.g. "sha256", "md5", "crc" */
const char *command; /* e.g. "sha256sum", "md5sum", "cksum" */
} map[] = {
{ "crc", "cksum" },
{ "md5", "md5sum" },
{ "sha1", "sha1sum" },
{ "sha224", "sha224sum" },
{ "sha256", "sha256sum" },
{ "sha384", "sha384sum" },
{ "sha512", "sha512sum" },
{ "gost", "gostsum" },
{ "gost12", "gost12sum" },
{ NULL, NULL }
};
for (size_t i = 0; map[i].algorithm; ++i)
if (STRCASEEQ (csumtype, map[i].algorithm))
return map[i].command;
reply_with_error ("unknown checksum type, expecting crc|md5|sha1|sha224|sha256|sha384|sha512|gost|gost12");
return NULL;
}
static char *