diff options
Diffstat (limited to 'libc/stdlib/setenv.c')
| -rw-r--r-- | libc/stdlib/setenv.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/libc/stdlib/setenv.c b/libc/stdlib/setenv.c index d0cfe526d..8704717a7 100644 --- a/libc/stdlib/setenv.c +++ b/libc/stdlib/setenv.c @@ -19,6 +19,8 @@ modified for uClibc by Erik Andersen <andersen@codepoet.org> */ +#define strndup __strndup + #define _GNU_SOURCE #include <features.h> #include <errno.h> @@ -36,6 +38,7 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; # define UNLOCK #endif +extern int __unsetenv (__const char *__name) attribute_hidden; /* If this variable is not a null pointer we allocated the current environment. */ @@ -48,13 +51,13 @@ static char **last_environ; must be used directly. This is all complicated by the fact that we try to reuse values once generated for a `setenv' call since we can never free the strings. */ -int __add_to_environ (const char *name, const char *value, +int attribute_hidden __add_to_environ (const char *name, const char *value, const char *combined, int replace) { register char **ep; register size_t size; - const size_t namelen = strlen (name); - const size_t vallen = value != NULL ? strlen (value) + 1 : 0; + const size_t namelen = __strlen (name); + const size_t vallen = value != NULL ? __strlen (value) + 1 : 0; LOCK; @@ -65,7 +68,7 @@ int __add_to_environ (const char *name, const char *value, size = 0; if (ep != NULL) { for (; *ep != NULL; ++ep) { - if (!strncmp (*ep, name, namelen) && (*ep)[namelen] == '=') + if (!__strncmp (*ep, name, namelen) && (*ep)[namelen] == '=') break; else ++size; @@ -97,13 +100,13 @@ int __add_to_environ (const char *name, const char *value, return -1; } - memcpy (new_environ[size], name, namelen); + __memcpy (new_environ[size], name, namelen); new_environ[size][namelen] = '='; - memcpy (&new_environ[size][namelen + 1], value, vallen); + __memcpy (&new_environ[size][namelen + 1], value, vallen); } if (__environ != last_environ) { - memcpy ((char *) new_environ, (char *) __environ, + __memcpy ((char *) new_environ, (char *) __environ, size * sizeof (char *)); } @@ -121,9 +124,9 @@ int __add_to_environ (const char *name, const char *value, UNLOCK; return -1; } - memcpy (np, name, namelen); + __memcpy (np, name, namelen); np[namelen] = '='; - memcpy (&np[namelen + 1], value, vallen); + __memcpy (&np[namelen + 1], value, vallen); } *ep = np; } @@ -137,21 +140,21 @@ int setenv (const char *name, const char *value, int replace) return __add_to_environ (name, value, NULL, replace); } -int unsetenv (const char *name) +int attribute_hidden __unsetenv (const char *name) { size_t len; char **ep; - if (name == NULL || *name == '\0' || strchr (name, '=') != NULL) { + if (name == NULL || *name == '\0' || __strchr (name, '=') != NULL) { __set_errno (EINVAL); return -1; } - len = strlen (name); + len = __strlen (name); LOCK; ep = __environ; while (*ep != NULL) { - if (!strncmp (*ep, name, len) && (*ep)[len] == '=') { + if (!__strncmp (*ep, name, len) && (*ep)[len] == '=') { /* Found it. Remove this pointer by moving later ones back. */ char **dp = ep; do { @@ -165,6 +168,7 @@ int unsetenv (const char *name) UNLOCK; return 0; } +strong_alias(__unsetenv,unsetenv) /* The `clearenv' was planned to be added to POSIX.1 but probably never made it. Nevertheless the POSIX.9 standard (POSIX bindings @@ -187,7 +191,7 @@ int clearenv (void) int putenv (char *string) { int result; - const char *const name_end = strchr (string, '='); + const char *const name_end = __strchr (string, '='); if (name_end != NULL) { char *name = strndup(string, name_end - string); @@ -195,7 +199,7 @@ int putenv (char *string) free(name); return(result); } - unsetenv (string); + __unsetenv (string); return 0; } |