diff options
Diffstat (limited to 'contrib/bind9/lib/bind/bsd/setenv.c')
| -rw-r--r-- | contrib/bind9/lib/bind/bsd/setenv.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/contrib/bind9/lib/bind/bsd/setenv.c b/contrib/bind9/lib/bind/bsd/setenv.c index 6a11c9d..ce2f063 100644 --- a/contrib/bind9/lib/bind/bsd/setenv.c +++ b/contrib/bind9/lib/bind/bsd/setenv.c @@ -1,6 +1,6 @@ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)setenv.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: setenv.c,v 1.1 2001/03/29 06:30:35 marka Exp $"; +static const char rcsid[] = "$Id: setenv.c,v 1.1.352.1 2005/04/27 05:00:44 sra Exp $"; #endif /* LIBC_SCCS and not lint */ /* @@ -52,40 +52,40 @@ extern char **environ; static char *findenv(const char *name, int *offset); -/* +/*% * setenv -- * Set the value of the environmental variable "name" to be * "value". If rewrite is set, replace any current value. */ setenv(const char *name, const char *value, int rewrite) { extern char **environ; - static int alloced; /* if allocated space before */ + static int alloced; /*%< if allocated space before */ char *c; int l_value, offset; - if (*value == '=') /* no `=' in value */ + if (*value == '=') /*%< no `=' in value */ ++value; l_value = strlen(value); - if ((c = findenv(name, &offset))) { /* find if already exists */ + if ((c = findenv(name, &offset))) { /*%< find if already exists */ if (!rewrite) return (0); - if (strlen(c) >= l_value) { /* old larger; copy over */ + if (strlen(c) >= l_value) { /*%< old larger; copy over */ while (*c++ = *value++); return (0); } - } else { /* create new slot */ + } else { /*%< create new slot */ int cnt; char **p; for (p = environ, cnt = 0; *p; ++p, ++cnt); - if (alloced) { /* just increase size */ + if (alloced) { /*%< just increase size */ environ = (char **)realloc((char *)environ, (size_t)(sizeof(char *) * (cnt + 2))); if (!environ) return (-1); } - else { /* get new space */ - alloced = 1; /* copy old entries into it */ + else { /*%< get new space */ + alloced = 1; /*%< copy old entries into it */ p = malloc((size_t)(sizeof(char *) * (cnt + 2))); if (!p) return (-1); @@ -95,8 +95,8 @@ setenv(const char *name, const char *value, int rewrite) { environ[cnt + 1] = NULL; offset = cnt; } - for (c = (char *)name; *c && *c != '='; ++c); /* no `=' in name */ - if (!(environ[offset] = /* name + `=' + value */ + for (c = (char *)name; *c && *c != '='; ++c); /*%< no `=' in name */ + if (!(environ[offset] = /*%< name + `=' + value */ malloc((size_t)((int)(c - name) + l_value + 2)))) return (-1); for (c = environ[offset]; (*c = *name++) && *c != '='; ++c); @@ -104,7 +104,7 @@ setenv(const char *name, const char *value, int rewrite) { return (0); } -/* +/*% * unsetenv(name) -- * Delete environmental variable "name". */ @@ -113,13 +113,13 @@ unsetenv(const char *name) { char **p; int offset; - while (findenv(name, &offset)) /* if set multiple times */ + while (findenv(name, &offset)) /*%< if set multiple times */ for (p = &environ[offset];; ++p) if (!(*p = *(p + 1))) break; } -/* +/*% * findenv -- * Returns pointer to value associated with name, if any, else NULL. * Sets offset to be the offset of the name/value combination in the @@ -147,3 +147,5 @@ findenv(const char *name, int *offset) { return (NULL); } #endif + +/*! \file */ |
