diff options
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/netinet/in.h | 6 | ||||
| -rw-r--r-- | sysdeps/generic/strtok.c | 73 | ||||
| -rw-r--r-- | sysdeps/generic/strtok_r.c | 74 |
3 files changed, 150 insertions, 3 deletions
diff --git a/sysdeps/generic/netinet/in.h b/sysdeps/generic/netinet/in.h index a135cf25b2..160618a3d1 100644 --- a/sysdeps/generic/netinet/in.h +++ b/sysdeps/generic/netinet/in.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify @@ -36,7 +36,7 @@ enum IPPROTO_IDP = 22, /* XNS IDP protocol. */ IPPROTO_RAW = 255, /* Raw IP packets. */ - IPPROTO_MAX, + IPPROTO_MAX }; /* Standard well-known ports. */ @@ -76,7 +76,7 @@ enum IPPORT_RESERVED = 1024, /* Ports greater this value are reserved for (non-privileged) servers. */ - IPPORT_USERRESERVED = 5000, + IPPORT_USERRESERVED = 5000 }; diff --git a/sysdeps/generic/strtok.c b/sysdeps/generic/strtok.c new file mode 100644 index 0000000000..954471322b --- /dev/null +++ b/sysdeps/generic/strtok.c @@ -0,0 +1,73 @@ +/* Copyright (C) 1991, 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <string.h> + + +static char *olds = NULL; + +/* Parse S into tokens separated by characters in DELIM. + If S is NULL, the last string strtok() was called with is + used. For example: + char s[] = "-abc-=-def"; + x = strtok(s, "-"); // x = "abc" + x = strtok(NULL, "-="); // x = "def" + x = strtok(NULL, "="); // x = NULL + // s = "abc\0-def\0" +*/ +char * +strtok (s, delim) + char *s; + const char *delim; +{ + char *token; + + if (s == NULL) + { + if (olds == NULL) + { + errno = EINVAL; + return NULL; + } + else + s = olds; + } + + /* Scan leading delimiters. */ + s += strspn (s, delim); + if (*s == '\0') + { + olds = NULL; + return NULL; + } + + /* Find the end of the token. */ + token = s; + s = strpbrk (token, delim); + if (s == NULL) + /* This token finishes the string. */ + olds = NULL; + else + { + /* Terminate the token and make OLDS point past it. */ + *s = '\0'; + olds = s + 1; + } + return token; +} diff --git a/sysdeps/generic/strtok_r.c b/sysdeps/generic/strtok_r.c new file mode 100644 index 0000000000..08a29361c7 --- /dev/null +++ b/sysdeps/generic/strtok_r.c @@ -0,0 +1,74 @@ +/* Reentrant string tokenizer. Generic version. +Copyright (C) 1991, 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <string.h> + + +/* Parse S into tokens separated by characters in DELIM. + If S is NULL, the saved pointer in SAVE_PTR is used as + the next starting point. For example: + char s[] = "-abc-=-def"; + char *sp; + x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def" + x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL + x = strtok_r(NULL, "=", &sp); // x = NULL + // s = "abc\0-def\0" +*/ +char * +strtok_r (s, delim, save_ptr) + char *s; + const char *delim; + char **save_ptr; +{ + char *token; + + if (s == NULL) + { + if (*save_ptr == NULL) + { + errno = EINVAL; + return NULL; + } + else + s = *save_ptr; + } + + /* Scan leading delimiters. */ + s += strspn (s, delim); + if (*s == '\0') + { + *save_ptr = NULL; + return NULL; + } + + /* Find the end of the token. */ + token = s; + s = strpbrk (token, delim); + if (s == NULL) + /* This token finishes the string. */ + *save_ptr = NULL; + else + { + /* Terminate the token and make *SAVE_PTR point past it. */ + *s = '\0'; + *save_ptr = s + 1; + } + return token; +} |