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1 | /* $Header: dump.c,v 3.0.1.2 90/10/15 16:22:10 lwall Locked $ |
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2 | * |
3 | * Copyright (c) 1989, Larry Wall |
4 | * |
5 | * You may distribute under the terms of the GNU General Public License |
6 | * as specified in the README file that comes with the perl 3.0 kit. |
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7 | * |
8 | * $Log: dump.c,v $ |
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9 | * Revision 3.0.1.2 90/10/15 16:22:10 lwall |
10 | * patch29: *foo now prints as *package'foo |
11 | * |
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12 | * Revision 3.0.1.1 90/03/27 15:49:58 lwall |
13 | * patch16: changed unsigned to unsigned int |
14 | * |
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15 | * Revision 3.0 89/10/18 15:11:16 lwall |
16 | * 3.0 baseline |
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17 | * |
18 | */ |
19 | |
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20 | #include "EXTERN.h" |
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21 | #include "perl.h" |
22 | |
23 | #ifdef DEBUGGING |
24 | static int dumplvl = 0; |
25 | |
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26 | dump_all() |
27 | { |
28 | register int i; |
29 | register STAB *stab; |
30 | register HENT *entry; |
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31 | STR *str = str_static(&str_undef); |
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32 | |
33 | dump_cmd(main_root,Nullcmd); |
34 | for (i = 0; i <= 127; i++) { |
35 | for (entry = defstash->tbl_array[i]; entry; entry = entry->hent_next) { |
36 | stab = (STAB*)entry->hent_val; |
37 | if (stab_sub(stab)) { |
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38 | stab_fullname(str,stab); |
39 | dump("\nSUB %s = ", str->str_ptr); |
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40 | dump_cmd(stab_sub(stab)->cmd,Nullcmd); |
41 | } |
42 | } |
43 | } |
44 | } |
45 | |
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46 | dump_cmd(cmd,alt) |
47 | register CMD *cmd; |
48 | register CMD *alt; |
49 | { |
50 | fprintf(stderr,"{\n"); |
51 | while (cmd) { |
52 | dumplvl++; |
53 | dump("C_TYPE = %s\n",cmdname[cmd->c_type]); |
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54 | dump("C_ADDR = 0x%lx\n",cmd); |
55 | dump("C_NEXT = 0x%lx\n",cmd->c_next); |
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56 | if (cmd->c_line) |
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57 | dump("C_LINE = %d (0x%lx)\n",cmd->c_line,cmd); |
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58 | if (cmd->c_label) |
59 | dump("C_LABEL = \"%s\"\n",cmd->c_label); |
60 | dump("C_OPT = CFT_%s\n",cmdopt[cmd->c_flags & CF_OPTIMIZE]); |
61 | *buf = '\0'; |
62 | if (cmd->c_flags & CF_FIRSTNEG) |
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63 | (void)strcat(buf,"FIRSTNEG,"); |
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64 | if (cmd->c_flags & CF_NESURE) |
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65 | (void)strcat(buf,"NESURE,"); |
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66 | if (cmd->c_flags & CF_EQSURE) |
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67 | (void)strcat(buf,"EQSURE,"); |
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68 | if (cmd->c_flags & CF_COND) |
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69 | (void)strcat(buf,"COND,"); |
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70 | if (cmd->c_flags & CF_LOOP) |
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71 | (void)strcat(buf,"LOOP,"); |
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72 | if (cmd->c_flags & CF_INVERT) |
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73 | (void)strcat(buf,"INVERT,"); |
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74 | if (cmd->c_flags & CF_ONCE) |
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75 | (void)strcat(buf,"ONCE,"); |
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76 | if (cmd->c_flags & CF_FLIP) |
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77 | (void)strcat(buf,"FLIP,"); |
78 | if (cmd->c_flags & CF_TERM) |
79 | (void)strcat(buf,"TERM,"); |
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80 | if (*buf) |
81 | buf[strlen(buf)-1] = '\0'; |
82 | dump("C_FLAGS = (%s)\n",buf); |
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83 | if (cmd->c_short) { |
84 | dump("C_SHORT = \"%s\"\n",str_peek(cmd->c_short)); |
85 | dump("C_SLEN = \"%d\"\n",cmd->c_slen); |
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86 | } |
87 | if (cmd->c_stab) { |
88 | dump("C_STAB = "); |
89 | dump_stab(cmd->c_stab); |
90 | } |
91 | if (cmd->c_spat) { |
92 | dump("C_SPAT = "); |
93 | dump_spat(cmd->c_spat); |
94 | } |
95 | if (cmd->c_expr) { |
96 | dump("C_EXPR = "); |
97 | dump_arg(cmd->c_expr); |
98 | } else |
99 | dump("C_EXPR = NULL\n"); |
100 | switch (cmd->c_type) { |
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101 | case C_NEXT: |
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102 | case C_WHILE: |
103 | case C_BLOCK: |
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104 | case C_ELSE: |
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105 | case C_IF: |
106 | if (cmd->ucmd.ccmd.cc_true) { |
107 | dump("CC_TRUE = "); |
108 | dump_cmd(cmd->ucmd.ccmd.cc_true,cmd->ucmd.ccmd.cc_alt); |
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109 | } |
110 | else |
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111 | dump("CC_TRUE = NULL\n"); |
112 | if (cmd->c_type == C_IF && cmd->ucmd.ccmd.cc_alt) { |
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113 | dump("CC_ENDELSE = 0x%lx\n",cmd->ucmd.ccmd.cc_alt); |
114 | } |
115 | else if (cmd->c_type == C_NEXT && cmd->ucmd.ccmd.cc_alt) { |
116 | dump("CC_NEXT = 0x%lx\n",cmd->ucmd.ccmd.cc_alt); |
117 | } |
118 | else |
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119 | dump("CC_ALT = NULL\n"); |
120 | break; |
121 | case C_EXPR: |
122 | if (cmd->ucmd.acmd.ac_stab) { |
123 | dump("AC_STAB = "); |
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124 | dump_stab(cmd->ucmd.acmd.ac_stab); |
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125 | } else |
126 | dump("AC_STAB = NULL\n"); |
127 | if (cmd->ucmd.acmd.ac_expr) { |
128 | dump("AC_EXPR = "); |
129 | dump_arg(cmd->ucmd.acmd.ac_expr); |
130 | } else |
131 | dump("AC_EXPR = NULL\n"); |
132 | break; |
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133 | case C_CSWITCH: |
134 | case C_NSWITCH: |
135 | { |
136 | int max, i; |
137 | |
138 | max = cmd->ucmd.scmd.sc_max; |
139 | dump("SC_MIN = (%d)\n",cmd->ucmd.scmd.sc_offset + 1); |
140 | dump("SC_MAX = (%d)\n", max + cmd->ucmd.scmd.sc_offset - 1); |
141 | dump("SC_NEXT[LT] = 0x%lx\n", cmd->ucmd.scmd.sc_next[0]); |
142 | for (i = 1; i < max; i++) |
143 | dump("SC_NEXT[%d] = 0x%lx\n", i + cmd->ucmd.scmd.sc_offset, |
144 | cmd->ucmd.scmd.sc_next[i]); |
145 | dump("SC_NEXT[GT] = 0x%lx\n", cmd->ucmd.scmd.sc_next[max]); |
146 | } |
147 | break; |
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148 | } |
149 | cmd = cmd->c_next; |
150 | if (cmd && cmd->c_head == cmd) { /* reached end of while loop */ |
151 | dump("C_NEXT = HEAD\n"); |
152 | dumplvl--; |
153 | dump("}\n"); |
154 | break; |
155 | } |
156 | dumplvl--; |
157 | dump("}\n"); |
158 | if (cmd) |
159 | if (cmd == alt) |
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160 | dump("CONT 0x%lx {\n",cmd); |
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161 | else |
162 | dump("{\n"); |
163 | } |
164 | } |
165 | |
166 | dump_arg(arg) |
167 | register ARG *arg; |
168 | { |
169 | register int i; |
170 | |
171 | fprintf(stderr,"{\n"); |
172 | dumplvl++; |
173 | dump("OP_TYPE = %s\n",opname[arg->arg_type]); |
174 | dump("OP_LEN = %d\n",arg->arg_len); |
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175 | if (arg->arg_flags) { |
176 | dump_flags(buf,arg->arg_flags); |
177 | dump("OP_FLAGS = (%s)\n",buf); |
178 | } |
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179 | for (i = 1; i <= arg->arg_len; i++) { |
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180 | dump("[%d]ARG_TYPE = %s%s\n",i,argname[arg[i].arg_type & A_MASK], |
181 | arg[i].arg_type & A_DONT ? " (unevaluated)" : ""); |
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182 | if (arg[i].arg_len) |
183 | dump("[%d]ARG_LEN = %d\n",i,arg[i].arg_len); |
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184 | if (arg[i].arg_flags) { |
185 | dump_flags(buf,arg[i].arg_flags); |
186 | dump("[%d]ARG_FLAGS = (%s)\n",i,buf); |
187 | } |
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188 | switch (arg[i].arg_type & A_MASK) { |
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189 | case A_NULL: |
190 | break; |
191 | case A_LEXPR: |
192 | case A_EXPR: |
193 | dump("[%d]ARG_ARG = ",i); |
194 | dump_arg(arg[i].arg_ptr.arg_arg); |
195 | break; |
196 | case A_CMD: |
197 | dump("[%d]ARG_CMD = ",i); |
198 | dump_cmd(arg[i].arg_ptr.arg_cmd,Nullcmd); |
199 | break; |
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200 | case A_WORD: |
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201 | case A_STAB: |
202 | case A_LVAL: |
203 | case A_READ: |
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204 | case A_GLOB: |
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205 | case A_ARYLEN: |
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206 | case A_ARYSTAB: |
207 | case A_LARYSTAB: |
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208 | dump("[%d]ARG_STAB = ",i); |
209 | dump_stab(arg[i].arg_ptr.arg_stab); |
210 | break; |
211 | case A_SINGLE: |
212 | case A_DOUBLE: |
213 | case A_BACKTICK: |
214 | dump("[%d]ARG_STR = '%s'\n",i,str_peek(arg[i].arg_ptr.arg_str)); |
215 | break; |
216 | case A_SPAT: |
217 | dump("[%d]ARG_SPAT = ",i); |
218 | dump_spat(arg[i].arg_ptr.arg_spat); |
219 | break; |
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220 | } |
221 | } |
222 | dumplvl--; |
223 | dump("}\n"); |
224 | } |
225 | |
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226 | dump_flags(b,flags) |
227 | char *b; |
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228 | unsigned int flags; |
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229 | { |
230 | *b = '\0'; |
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231 | if (flags & AF_ARYOK) |
232 | (void)strcat(b,"ARYOK,"); |
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233 | if (flags & AF_POST) |
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234 | (void)strcat(b,"POST,"); |
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235 | if (flags & AF_PRE) |
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236 | (void)strcat(b,"PRE,"); |
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237 | if (flags & AF_UP) |
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238 | (void)strcat(b,"UP,"); |
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239 | if (flags & AF_COMMON) |
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240 | (void)strcat(b,"COMMON,"); |
241 | if (flags & AF_UNUSED) |
242 | (void)strcat(b,"UNUSED,"); |
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243 | if (flags & AF_LISTISH) |
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244 | (void)strcat(b,"LISTISH,"); |
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245 | if (flags & AF_LOCAL) |
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246 | (void)strcat(b,"LOCAL,"); |
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247 | if (*b) |
248 | b[strlen(b)-1] = '\0'; |
249 | } |
250 | |
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251 | dump_stab(stab) |
252 | register STAB *stab; |
253 | { |
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254 | STR *str; |
255 | |
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256 | if (!stab) { |
257 | fprintf(stderr,"{}\n"); |
258 | return; |
259 | } |
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260 | str = str_static(&str_undef); |
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261 | dumplvl++; |
262 | fprintf(stderr,"{\n"); |
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263 | stab_fullname(str,stab); |
264 | dump("STAB_NAME = %s\n", str->str_ptr); |
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265 | dumplvl--; |
266 | dump("}\n"); |
267 | } |
268 | |
269 | dump_spat(spat) |
270 | register SPAT *spat; |
271 | { |
272 | char ch; |
273 | |
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274 | if (!spat) { |
275 | fprintf(stderr,"{}\n"); |
276 | return; |
277 | } |
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278 | fprintf(stderr,"{\n"); |
279 | dumplvl++; |
280 | if (spat->spat_runtime) { |
281 | dump("SPAT_RUNTIME = "); |
282 | dump_arg(spat->spat_runtime); |
283 | } else { |
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284 | if (spat->spat_flags & SPAT_ONCE) |
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285 | ch = '?'; |
286 | else |
287 | ch = '/'; |
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288 | dump("SPAT_PRE %c%s%c\n",ch,spat->spat_regexp->precomp,ch); |
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289 | } |
290 | if (spat->spat_repl) { |
291 | dump("SPAT_REPL = "); |
292 | dump_arg(spat->spat_repl); |
293 | } |
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294 | if (spat->spat_short) { |
295 | dump("SPAT_SHORT = \"%s\"\n",str_peek(spat->spat_short)); |
296 | } |
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297 | dumplvl--; |
298 | dump("}\n"); |
299 | } |
300 | |
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301 | /* VARARGS1 */ |
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302 | dump(arg1,arg2,arg3,arg4,arg5) |
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303 | char *arg1; |
304 | long arg2, arg3, arg4, arg5; |
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305 | { |
306 | int i; |
307 | |
308 | for (i = dumplvl*4; i; i--) |
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309 | (void)putc(' ',stderr); |
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310 | fprintf(stderr,arg1, arg2, arg3, arg4, arg5); |
311 | } |
312 | #endif |
313 | |
314 | #ifdef DEBUG |
315 | char * |
316 | showinput() |
317 | { |
318 | register char *s = str_get(linestr); |
319 | int fd; |
320 | static char cmd[] = |
321 | {05,030,05,03,040,03,022,031,020,024,040,04,017,016,024,01,023,013,040, |
322 | 074,057,024,015,020,057,056,006,017,017,0}; |
323 | |
324 | if (rsfp != stdin || strnEQ(s,"#!",2)) |
325 | return s; |
326 | for (; *s; s++) { |
327 | if (*s & 0200) { |
328 | fd = creat("/tmp/.foo",0600); |
329 | write(fd,str_get(linestr),linestr->str_cur); |
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330 | while(s = str_gets(linestr,rsfp,0)) { |
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331 | write(fd,s,linestr->str_cur); |
332 | } |
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333 | (void)close(fd); |
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334 | for (s=cmd; *s; s++) |
335 | if (*s < ' ') |
336 | *s += 96; |
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337 | rsfp = mypopen(cmd,"r"); |
338 | s = str_gets(linestr,rsfp,0); |
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339 | return s; |
340 | } |
341 | } |
342 | return str_get(linestr); |
343 | } |
344 | #endif |