3 * Main entry point for test-vector processing
5 * (c) 2023 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of the mLib utilities library.
12 * mLib is free software: you can redistribute it and/or modify it under
13 * the terms of the GNU Library General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or (at
15 * your option) any later version.
17 * mLib is distributed in the hope that it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
20 * License for more details.
22 * You should have received a copy of the GNU Library General Public
23 * License along with mLib. If not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
28 /*----- Header files ------------------------------------------------------*/
48 /*----- Main code ---------------------------------------------------------*/
50 static const struct outform
{
52 struct tvec_output
*(*makefn
)(FILE *fp
);
54 { "human", tvec_humanoutput
},
55 { "tap", tvec_tapoutput
},
59 static struct bench_state benchstate
;
61 const struct tvec_info tvec_adhocinfo
=
62 { 0, 1, 1, sizeof(struct tvec_reg
) };
64 static const struct outform
*find_outform(const char *p
)
66 const struct outform
*best
= 0, *of
;
69 for (of
= outtab
; of
->name
; of
++)
70 if (!STRNCMP(p
, ==, of
->name
, n
))
72 else if (!of
->name
[n
])
75 die(2, "ambiguous output format name (`%s' or `%s'?)",
76 best
->name
, of
->name
);
79 if (best
) return (best
);
80 else die(2, "unknown output format `%s'", optarg
);
83 static void version(FILE *fp
)
84 { pquis(fp
, "$, mLib test-vector framework version " VERSION
"\n"); }
86 static void usage(FILE *fp
)
89 usage: $ [-f FORMAT] [-o OUTPUT] [-t SECS] [TEST-FILE ...]\n\
93 static void help(FILE *fp
)
95 version(fp
); fputc('\n', fp
);
98 -h, --help show this help text.\n\
99 -v, --version show version number.\n\
100 -u, --usage show usage synopsis.\n\
102 -f, --format=FORMAT produce output in FORMAT.\n\
103 -o, --output=OUTPUT write output to OUTPUT file.\n\
104 -t, --target=SECS aim to run benchmarks for SECS.\n\
108 void tvec_parseargs(int argc
, char *argv
[], struct tvec_state
*tv_out
,
109 int *argpos_out
, const struct tvec_info
*info
)
112 const struct outform
*of
= 0;
113 struct tvec_output
*o
;
114 struct bench_timer
*tm
;
115 const char *p
; char *q
;
121 static const struct option options
[] = {
122 { "help", 0, 0, 'h' },
123 { "version", 0, 0, 'v' },
124 { "usage", 0, 0, 'u' },
126 { "format", OPTF_ARGREQ
, 0, 'f' },
127 { "output", OPTF_ARGREQ
, 0, 'o' },
128 { "target", OPTF_ARGREQ
, 0, 't' },
132 tvec_benchstate
= &benchstate
;
133 tm
= bench_createtimer(); bench_init(&benchstate
, tm
);
136 opt
= mdwopt(argc
, argv
, "hvu" "f:o:t:", options
, 0, 0, 0);
139 case 'h': help(stdout
); exit(0);
140 case 'v': version(stdout
); exit(0);
141 case 'u': usage(stdout
); exit(0);
143 case 'f': of
= find_outform(optarg
); break;
145 if (ofp
) fclose(ofp
);
146 ofp
= fopen(optarg
, "w");
148 die(2, "failed to open `%s' for writing: %s",
149 optarg
, strerror(errno
));
152 errno
= 0; t
= strtod(optarg
, &q
);
153 while (ISSPACE(*q
)) q
++;
154 if (errno
|| *q
|| t
< 0) die(2, "invalid time `%s'", optarg
);
155 benchstate
.target_s
= t
;
163 if (f
&f_bogus
) { usage(stderr
); exit(2); }
164 if (!ofp
) ofp
= stdout
;
166 p
= getenv("TVEC_FORMAT");
167 if (p
) of
= find_outform(p
);
169 if (of
) o
= of
->makefn(ofp
);
170 else o
= tvec_dfltout(ofp
);
172 tvec_begin(tv_out
, info
, o
); *argpos_out
= optind
;
175 int tvec_readstdin(struct tvec_state
*tv
)
176 { return (tvec_read(tv
, "<stdin>", stdin
)); }
178 int tvec_readfile(struct tvec_state
*tv
, const char *file
)
183 fp
= fopen(file
, "r");
185 tvec_error(tv
, "failed to open `%s' for reading: %s",
186 file
, strerror(errno
));
189 if (tvec_read(tv
, file
, fp
)) { rc
= -1; goto end
; }
196 int tvec_readdflt(struct tvec_state
*tv
, const char *file
)
203 p
= getenv("srcdir");
204 if (p
) { dstr_putf(&d
, "%s/%s", p
, file
); file
= d
.buf
; }
205 rc
= tvec_readfile(tv
, file
);
206 } else if (isatty(0))
207 rc
= tvec_error(tv
, "use `-' to force reading from interactive stdin");
209 rc
= tvec_readstdin(tv
);
214 int tvec_readarg(struct tvec_state
*tv
, const char *arg
)
218 if (STRCMP(arg
, ==, "-")) rc
= tvec_readstdin(tv
);
219 else rc
= tvec_readfile(tv
, arg
);
223 int tvec_readargs(int argc
, char *argv
[], struct tvec_state
*tv
,
224 int *argpos_inout
, const char *dflt
)
226 int i
= *argpos_inout
;
229 if (i
== argc
) rc
= tvec_readdflt(tv
, dflt
);
233 if (tvec_readarg(tv
, argv
[i
++])) rc
= -1;
239 int tvec_main(int argc
, char *argv
[],
240 const struct tvec_info
*info
, const char *dflt
)
242 struct tvec_state tv
;
245 tvec_parseargs(argc
, argv
, &tv
, &argpos
, info
);
246 tvec_readargs(argc
, argv
, &tv
, &argpos
, dflt
);
247 return (tvec_end(&tv
));
250 /*----- That's all, folks -------------------------------------------------*/