diff options
Diffstat (limited to 'pwd/pwd.h')
| -rw-r--r-- | pwd/pwd.h | 29 |
1 files changed, 15 insertions, 14 deletions
@@ -45,11 +45,12 @@ typedef __uid_t uid_t; # endif #endif -/* The passwd structure. */ +/* A record in the user database. */ struct passwd { char *pw_name; /* Username. */ - char *pw_passwd; /* Password. */ + char *pw_passwd; /* Hashed passphrase, if shadow database + not in use (see shadow.h). */ __uid_t pw_uid; /* User ID. */ __gid_t pw_gid; /* Group ID. */ char *pw_gecos; /* Real name. */ @@ -64,19 +65,19 @@ struct passwd #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED -/* Rewind the password-file stream. +/* Rewind the user database stream. This function is a possible cancellation point and therefore not marked with __THROW. */ extern void setpwent (void); -/* Close the password-file stream. +/* Close the user database stream. This function is a possible cancellation point and therefore not marked with __THROW. */ extern void endpwent (void); -/* Read an entry from the password-file stream, opening it if necessary. +/* Read an entry from the user database stream, opening it if necessary. This function is a possible cancellation point and therefore not marked with __THROW. */ @@ -84,7 +85,7 @@ extern struct passwd *getpwent (void); #endif #ifdef __USE_MISC -/* Read an entry from STREAM. +/* Read a user database entry from STREAM. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface @@ -92,7 +93,7 @@ extern struct passwd *getpwent (void); therefore not marked with __THROW. */ extern struct passwd *fgetpwent (FILE *__stream) __nonnull ((1)); -/* Write the given entry onto the given stream. +/* Write a given user database entry onto the given stream. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface @@ -102,13 +103,13 @@ extern int putpwent (const struct passwd *__restrict __p, FILE *__restrict __f); #endif -/* Search for an entry with a matching user ID. +/* Retrieve the user database entry for the given user ID. This function is a possible cancellation point and therefore not marked with __THROW. */ extern struct passwd *getpwuid (__uid_t __uid); -/* Search for an entry with a matching username. +/* Retrieve the user database entry for the given username. This function is a possible cancellation point and therefore not marked with __THROW. */ @@ -155,8 +156,8 @@ extern int getpwnam_r (const char *__restrict __name, # ifdef __USE_MISC -/* Read an entry from STREAM. This function is not standardized and - probably never will. +/* Read a user database entry from STREAM. This function is not + standardized and probably never will. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface @@ -172,9 +173,9 @@ extern int fgetpwent_r (FILE *__restrict __stream, #endif /* POSIX or reentrant */ #ifdef __USE_GNU -/* Re-construct the password-file line for the given uid - in the given buffer. This knows the format that the caller - will expect, but this need not be the format of the password file. +/* Write a traditional /etc/passwd line, based on the user database + entry for the given UID, to BUFFER; space for BUFFER must be + allocated by the caller. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface |