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src/basic/errno-list.c
54 строки
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Yu Watanabe
Bump required minimum version of glibc to 2.34
28 янв 2026, 04:56
28 янв 2026, 04:56
149a8e6
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "errno-list.h" static const struct errno_name* lookup_errno(register const char *str, register GPERF_LEN_TYPE len); #include "errno-from-name.inc" int errno_from_name(const char *name) { const struct errno_name *sc; assert(name); sc = lookup_errno(name, strlen(name)); if (!sc) return -EINVAL; assert(sc->id > 0); return sc->id; } #ifdef __GLIBC__ const char* errno_name_no_fallback(int id) { if (id == 0) /* To stay in line with our implementation below. */ return NULL; return strerrorname_np(ABS(id)); } #else # include "errno-to-name.inc" const char* errno_name_no_fallback(int id) { if (id < 0) id = -id; if ((size_t) id >= ELEMENTSOF(errno_names)) return NULL; return errno_names[id]; } #endif const char* errno_name(int id, char buf[static ERRNO_NAME_BUF_LEN]) { const char *a = errno_name_no_fallback(id); if (a) return a; snprintf(buf, ERRNO_NAME_BUF_LEN, "%d", abs(id)); return buf; }