diff options
| -rw-r--r-- | extra/Configs/Config.in | 8 | ||||
| -rw-r--r-- | libc/unistd/Makefile.in | 6 | ||||
| -rw-r--r-- | libc/unistd/getsubopt-susv3.c | 33 |
3 files changed, 47 insertions, 0 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in index b0334d078..bc57a730a 100644 --- a/extra/Configs/Config.in +++ b/extra/Configs/Config.in @@ -1086,6 +1086,14 @@ config UCLIBC_HAS_GNU_GETOPT Most people will answer Y. +config UCLIBC_HAS_GNU_GETSUBOPT + bool "Support glibc getsubopt" + default y + help + Answer Y if you want to include glibc getsubopt() instead of a + smaller SUSv3 compatible getsubopt(). + + Most people will answer Y. endmenu diff --git a/libc/unistd/Makefile.in b/libc/unistd/Makefile.in index 4a0bb0734..5bd612465 100644 --- a/libc/unistd/Makefile.in +++ b/libc/unistd/Makefile.in @@ -24,6 +24,12 @@ else CSRC := $(filter-out getopt.c,$(CSRC)) endif +ifeq ($(UCLIBC_HAS_GNU_GETSUBOPT),y) +CSRC := $(filter-out getsubopt-susv3.c,$(CSRC)) +else +CSRC := $(filter-out getsubopt.c,$(CSRC)) +endif + ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) CSRC := $(filter-out sleep.c,$(CSRC)) endif diff --git a/libc/unistd/getsubopt-susv3.c b/libc/unistd/getsubopt-susv3.c new file mode 100644 index 000000000..464223c42 --- /dev/null +++ b/libc/unistd/getsubopt-susv3.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2006 Rich Felker <dalias@aerifal.cx> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <stdlib.h> +#include <string.h> + +libc_hidden_proto(strchr) +libc_hidden_proto(strlen) +libc_hidden_proto(strncmp) + +int getsubopt(char **opt, char *const *keys, char **val) +{ + char *s = *opt; + int i; + + *val = NULL; + *opt = strchr(s, ','); + if (*opt) *(*opt)++ = 0; + else *opt = s + strlen(s); + + for (i=0; keys[i]; i++) { + size_t l = strlen(keys[i]); + if (strncmp(keys[i], s, l)) continue; + if (s[l] == '=') + *val = s + l; + else if (s[l]) continue; + return i; + } + return -1; +} |