1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#define ARGV_DRIVER
#include <slibtool/slibtool.h>
#include "slibtool_driver_impl.h"
#include "slibtool_ar_impl.h"
#include "slibtool_errinfo_impl.h"
#include "argv/argv.h"
#define SLBT_DRIVER_MODE_AR_ACTIONS (SLBT_DRIVER_MODE_AR_CHECK)
static int slbt_ar_usage(
int fdout,
const char * program,
const char * arg,
const struct argv_option ** optv,
struct argv_meta * meta,
struct slbt_exec_ctx * ectx,
int noclr)
{
char header[512];
bool armode;
const char * dash;
armode = (dash = strrchr(program,'-'))
&& !strcmp(++dash,"ar");
snprintf(header,sizeof(header),
"Usage: %s%s [options] [ARCHIVE-FILE] [ARCHIVE_FILE] ...\n"
"Options:\n",
program,
armode ? "" : " --mode=ar");
switch (noclr) {
case 0:
argv_usage(fdout,header,optv,arg);
break;
default:
argv_usage_plain(fdout,header,optv,arg);
break;
}
if (ectx)
slbt_free_exec_ctx(ectx);
argv_free(meta);
return SLBT_USAGE;
}
static int slbt_exec_ar_fail(
struct slbt_exec_ctx * actx,
struct argv_meta * meta,
int ret)
{
argv_free(meta);
slbt_free_exec_ctx(actx);
return ret;
}
int slbt_exec_ar(
const struct slbt_driver_ctx * dctx,
struct slbt_exec_ctx * ectx)
{
int ret;
int fdout;
int fderr;
char ** argv;
char ** iargv;
struct slbt_driver_ctx_impl * ictx;
const struct slbt_common_ctx * cctx;
struct slbt_archive_ctx ** arctxv;
struct slbt_archive_ctx ** arctxp;
const char ** unitv;
const char ** unitp;
size_t nunits;
struct slbt_exec_ctx * actx;
struct argv_meta * meta;
struct argv_entry * entry;
const struct argv_option * optv[SLBT_OPTV_ELEMENTS];
/* context */
if (ectx)
actx = 0;
else if ((ret = slbt_get_exec_ctx(dctx,&ectx)))
return ret;
else
actx = ectx;
/* initial state, ar mode skin */
slbt_reset_arguments(ectx);
slbt_disable_placeholders(ectx);
ictx = slbt_get_driver_ictx(dctx);
cctx = dctx->cctx;
iargv = ectx->cargv;
fdout = slbt_driver_fdout(dctx);
fderr = slbt_driver_fderr(dctx);
/* missing arguments? */
argv_optv_init(slbt_ar_options,optv);
if (!iargv[1] && (dctx->cctx->drvflags & SLBT_DRIVER_VERBOSITY_USAGE))
return slbt_ar_usage(
fdout,
dctx->program,
0,optv,0,actx,
dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_NEVER);
/* <ar> argv meta */
if (!(meta = argv_get(
iargv,optv,
dctx->cctx->drvflags & SLBT_DRIVER_VERBOSITY_ERRORS
? ARGV_VERBOSITY_ERRORS
: ARGV_VERBOSITY_NONE,
fdout)))
return slbt_exec_ar_fail(
actx,meta,
SLBT_CUSTOM_ERROR(dctx,SLBT_ERR_AR_FAIL));
/* dest, alternate argument vector options */
argv = ectx->altv;
*argv++ = iargv[0];
nunits = 0;
for (entry=meta->entries; entry->fopt || entry->arg; entry++) {
if (entry->fopt) {
switch (entry->tag) {
case TAG_AR_HELP:
slbt_ar_usage(
fdout,
dctx->program,
0,optv,0,ectx,
dctx->cctx->drvflags
& SLBT_DRIVER_ANNOTATE_NEVER);
ictx->cctx.drvflags |= SLBT_DRIVER_VERSION;
ictx->cctx.drvflags ^= SLBT_DRIVER_VERSION;
argv_free(meta);
return SLBT_OK;
case TAG_AR_VERSION:
ictx->cctx.drvflags |= SLBT_DRIVER_VERSION;
break;
case TAG_AR_CHECK:
ictx->cctx.drvflags |= SLBT_DRIVER_MODE_AR_CHECK;
break;
}
if (entry->fval) {
*argv++ = (char *)entry->arg;
}
} else {
nunits++;
};
}
/* defer --version printing to slbt_main() as needed */
if (cctx->drvflags & SLBT_DRIVER_VERSION) {
argv_free(meta);
slbt_free_exec_ctx(actx);
return SLBT_OK;
}
/* at least one action must be specified */
if (!(cctx->drvflags & SLBT_DRIVER_MODE_AR_ACTIONS)) {
if (cctx->drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
slbt_dprintf(fderr,
"%s: at least one action must be specified\n",
dctx->program);
return slbt_exec_ar_fail(
actx,meta,
SLBT_CUSTOM_ERROR(
dctx,
SLBT_ERR_AR_NO_ACTION_SPECIFIED));
}
/* at least one unit must be specified */
if (!nunits) {
if (cctx->drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
slbt_dprintf(fderr,
"%s: all actions require at least one input unit\n",
dctx->program);
return slbt_exec_ar_fail(
actx,meta,
SLBT_CUSTOM_ERROR(
dctx,
SLBT_ERR_AR_NO_INPUT_SPECIFIED));
}
/* archive vector allocation */
if (!(arctxv = calloc(nunits+1,sizeof(struct slbt_archive_ctx *))))
return slbt_exec_ar_fail(
actx,meta,
SLBT_SYSTEM_ERROR(dctx,0));
/* unit vector allocation */
if (!(unitv = calloc(nunits+1,sizeof(const char *)))) {
free (arctxv);
return slbt_exec_ar_fail(
actx,meta,
SLBT_SYSTEM_ERROR(dctx,0));
}
/* unit vector initialization */
for (entry=meta->entries,unitp=unitv; entry->fopt || entry->arg; entry++)
if (!entry->fopt)
*unitp++ = entry->arg;
/* archive context vector initialization */
for (unitp=unitv,arctxp=arctxv; *unitp; unitp++,arctxp++) {
if (slbt_get_archive_ctx(dctx,*unitp,arctxp) < 0) {
for (arctxp=arctxv; *arctxp; arctxp++)
slbt_free_archive_ctx(*arctxp);
free(unitv);
free(arctxv);
return slbt_exec_ar_fail(
actx,meta,
SLBT_NESTED_ERROR(dctx));
}
}
/* all done */
for (arctxp=arctxv; *arctxp; arctxp++)
slbt_free_archive_ctx(*arctxp);
free(unitv);
free(arctxv);
argv_free(meta);
slbt_free_exec_ctx(actx);
return 0;
}
|
