diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/misc.c | 48 | ||||
| -rw-r--r-- | lib/misc.h | 2 |
2 files changed, 50 insertions, 0 deletions
@@ -544,3 +544,51 @@ struct ns_srv_reply *srv_lookup( char *service, char *protocol, char *domain ) return reply; } + +/* Word wrapping. Yes, I know this isn't UTF-8 clean. I'm willing to take the risk. */ +char *word_wrap( char *msg, int line_len ) +{ + GString *ret = g_string_sized_new( strlen( msg ) + 16 ); + + while( strlen( msg ) > line_len ) + { + int i; + + /* First try to find out if there's a newline already. Don't + want to add more splits than necessary. */ + for( i = line_len; i > 0 && msg[i] != '\n'; i -- ); + if( msg[i] == '\n' ) + { + g_string_append_len( ret, msg, i + 1 ); + msg += i + 1; + continue; + } + + for( i = line_len; i > 0; i -- ) + { + if( msg[i] == '-' ) + { + g_string_append_len( ret, msg, i + 1 ); + g_string_append_c( ret, '\n' ); + msg += i + 1; + break; + } + else if( msg[i] == ' ' ) + { + g_string_append_len( ret, msg, i ); + g_string_append_c( ret, '\n' ); + msg += i + 1; + break; + } + } + if( i == 0 ) + { + g_string_append_len( ret, msg, line_len ); + g_string_append_c( ret, '\n' ); + msg += line_len; + } + } + g_string_append( ret, msg ); + + return g_string_free( ret, FALSE ); +} @@ -63,4 +63,6 @@ G_MODULE_EXPORT int bool2int( char *value ); G_MODULE_EXPORT struct ns_srv_reply *srv_lookup( char *service, char *protocol, char *domain ); +G_MODULE_EXPORT char *word_wrap( char *msg, int line_len ); + #endif |