| 304 | } |
| 305 | |
| 306 | int redisvFormatCommand(char **target, const char *format, va_list ap) { |
| 307 | const char *c = format; |
| 308 | char *cmd = NULL; /* final command */ |
| 309 | int pos; /* position in final command */ |
| 310 | hisds curarg, newarg; /* current argument */ |
| 311 | int touched = 0; /* was the current argument touched? */ |
| 312 | char **curargv = NULL, **newargv = NULL; |
| 313 | int argc = 0; |
| 314 | int totlen = 0; |
| 315 | int error_type = 0; /* 0 = no error; -1 = memory error; -2 = format error */ |
| 316 | int j; |
| 317 | |
| 318 | /* Abort if there is not target to set */ |
| 319 | if (target == NULL) |
| 320 | return -1; |
| 321 | |
| 322 | /* Build the command string accordingly to protocol */ |
| 323 | curarg = hi_sdsempty(); |
| 324 | if (curarg == NULL) |
| 325 | return -1; |
| 326 | |
| 327 | while(*c != '\0') { |
| 328 | if (*c != '%' || c[1] == '\0') { |
| 329 | if (*c == ' ') { |
| 330 | if (touched) { |
| 331 | newargv = hi_realloc(curargv,sizeof(char*)*(argc+1)); |
| 332 | if (newargv == NULL) goto memory_err; |
| 333 | curargv = newargv; |
| 334 | curargv[argc++] = curarg; |
| 335 | totlen += bulklen(hi_sdslen(curarg)); |
| 336 | |
| 337 | /* curarg is put in argv so it can be overwritten. */ |
| 338 | curarg = hi_sdsempty(); |
| 339 | if (curarg == NULL) goto memory_err; |
| 340 | touched = 0; |
| 341 | } |
| 342 | } else { |
| 343 | newarg = hi_sdscatlen(curarg,c,1); |
| 344 | if (newarg == NULL) goto memory_err; |
| 345 | curarg = newarg; |
| 346 | touched = 1; |
| 347 | } |
| 348 | } else { |
| 349 | char *arg; |
| 350 | size_t size; |
| 351 | |
| 352 | /* Set newarg so it can be checked even if it is not touched. */ |
| 353 | newarg = curarg; |
| 354 | |
| 355 | switch(c[1]) { |
| 356 | case 's': |
| 357 | arg = va_arg(ap,char*); |
| 358 | size = strlen(arg); |
| 359 | if (size > 0) |
| 360 | newarg = hi_sdscatlen(curarg,arg,size); |
| 361 | break; |
| 362 | case 'b': |
| 363 | arg = va_arg(ap,char*); |
no test coverage detected