diff options
Diffstat (limited to 'source3/lib/util_str.c')
| -rw-r--r-- | source3/lib/util_str.c | 122 |
1 files changed, 120 insertions, 2 deletions
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c index 938fb0f47b..2580521c3b 100644 --- a/source3/lib/util_str.c +++ b/source3/lib/util_str.c @@ -5,6 +5,7 @@ Copyright (C) Andrew Tridgell 1992-2001 Copyright (C) Simo Sorce 2001-2002 Copyright (C) Martin Pool 2003 + Copyright (C) James Peach 2006 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -1914,13 +1915,14 @@ int str_list_count( const char **list ) for the work *****************************************************************************/ -BOOL str_list_sub_basic( char **list, const char *smb_name ) +BOOL str_list_sub_basic( char **list, const char *smb_name, + const char *domain_name ) { char *s, *tmpstr; while ( *list ) { s = *list; - tmpstr = alloc_sub_basic(smb_name, s); + tmpstr = alloc_sub_basic(smb_name, domain_name, s); if ( !tmpstr ) { DEBUG(0,("str_list_sub_basic: alloc_sub_basic() return NULL!\n")); return False; @@ -2302,6 +2304,73 @@ SMB_BIG_UINT STR_TO_SMB_BIG_UINT(const char *nptr, const char **entptr) return val; } +/* Convert a size specification to a count of bytes. We accept the following + * suffixes: + * bytes if there is no suffix + * kK kibibytes + * mM mebibytes + * gG gibibytes + * tT tibibytes + * pP whatever the ISO name for petabytes is + * + * Returns 0 if the string can't be converted. + */ +SMB_OFF_T conv_str_size(const char * str) +{ + SMB_OFF_T lval; + char * end; + + if (str == NULL || *str == '\0') { + return 0; + } + +#ifdef HAVE_STRTOULL + if (sizeof(SMB_OFF_T) == 8) { + lval = strtoull(str, &end, 10 /* base */); + } else { + lval = strtoul(str, &end, 10 /* base */); + } +#else + lval = strtoul(str, &end, 10 /* base */); +#endif + + if (end == NULL || end == str) { + return 0; + } + + if (*end) { + SMB_OFF_T lval_orig = lval; + + if (strwicmp(end, "K") == 0) { + lval *= (SMB_OFF_T)1024; + } else if (strwicmp(end, "M") == 0) { + lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024); + } else if (strwicmp(end, "G") == 0) { + lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 * + (SMB_OFF_T)1024); + } else if (strwicmp(end, "T") == 0) { + lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 * + (SMB_OFF_T)1024 * (SMB_OFF_T)1024); + } else if (strwicmp(end, "P") == 0) { + lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 * + (SMB_OFF_T)1024 * (SMB_OFF_T)1024 * + (SMB_OFF_T)1024); + } else { + return 0; + } + + /* Primitive attempt to detect wrapping on platforms with + * 4-byte SMB_OFF_T. It's better to let the caller handle + * a failure than some random number. + */ + if (lval_orig <= lval) { + return 0; + } + } + + return lval; +} + void string_append(char **left, const char *right) { int new_len = strlen(right) + 1; @@ -2454,3 +2523,52 @@ BOOL validate_net_name( const char *name, const char *invalid_chars, int max_len return True; } + +/** +return the number of bytes occupied by a buffer in ASCII format +the result includes the null termination +limited by 'n' bytes +**/ +size_t ascii_len_n(const char *src, size_t n) +{ + size_t len; + + len = strnlen(src, n); + if (len+1 <= n) { + len += 1; + } + + return len; +} + +/** +return the number of bytes occupied by a buffer in CH_UTF16 format +the result includes the null termination +**/ +size_t utf16_len(const void *buf) +{ + size_t len; + + for (len = 0; SVAL(buf,len); len += 2) ; + + return len + 2; +} + +/** +return the number of bytes occupied by a buffer in CH_UTF16 format +the result includes the null termination +limited by 'n' bytes +**/ +size_t utf16_len_n(const void *src, size_t n) +{ + size_t len; + + for (len = 0; (len+2 < n) && SVAL(src, len); len += 2) ; + + if (len+2 <= n) { + len += 2; + } + + return len; +} + |