| 632 | |
| 633 | #ifdef ZSTD_MULTITHREAD |
| 634 | static unsigned init_nbThreads(void) { |
| 635 | const char* const env = getenv(ENV_NBTHREADS); |
| 636 | if (env != NULL) { |
| 637 | const char* ptr = env; |
| 638 | if ((*ptr>='0') && (*ptr<='9')) { |
| 639 | unsigned nbThreads; |
| 640 | if (readU32FromCharChecked(&ptr, &nbThreads)) { |
| 641 | DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: numeric value too large \n", ENV_NBTHREADS, env); |
| 642 | return ZSTDCLI_NBTHREADS_DEFAULT; |
| 643 | } else if (*ptr == 0) { |
| 644 | return nbThreads; |
| 645 | } |
| 646 | } |
| 647 | DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: not a valid unsigned value \n", ENV_NBTHREADS, env); |
| 648 | } |
| 649 | |
| 650 | return ZSTDCLI_NBTHREADS_DEFAULT; |
| 651 | } |
| 652 | #endif |
| 653 | |
| 654 | #define NEXT_FIELD(ptr) { \ |
no test coverage detected