Mercurial > noffle
diff util.c @ 0:04124a4423d4 noffle
[svn] Initial revision
author | enz |
---|---|
date | Tue, 04 Jan 2000 11:35:42 +0000 |
parents | |
children | 526a4c34ee2e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/util.c Tue Jan 04 11:35:42 2000 +0000 @@ -0,0 +1,198 @@ +/* + util.c + + $Id: util.c 3 2000-01-04 11:35:42Z enz $ +*/ + +#include "util.h" +#include <errno.h> +#include <ctype.h> +#include <fnmatch.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> +#include "config.h" +#include "log.h" + +static const char * +nextWhiteSpace( const char *p ) +{ + while ( *p && ! isspace( *p ) ) + ++p; + return p; +} + +static const char * +nextNonWhiteSpace( const char *p ) +{ + while ( *p && isspace( *p ) ) + ++p; + return p; +} + +const char * +Utl_restOfLn( const char *line, unsigned int token ) +{ + unsigned int i; + const char *p; + + p = line; + for ( i = 0; i < token; ++i ) + { + p = nextNonWhiteSpace( p ); + p = nextWhiteSpace( p ); + } + p = nextNonWhiteSpace( p ); + return p; +} + +const char * +Utl_getLn( Str result, const char *pos ) +{ + int len = 0; + const char *p = pos; + + if ( ! p ) + return NULL; + while ( *p != '\n' ) + { + if ( *p == '\0' ) + { + if ( len > 0 ) + Log_err( "Line not terminated by newline: '%s'", pos ); + return NULL; + } + *(result++) = *(p++); + ++len; + if ( len >= MAXCHAR - 1 ) + { + *result = '\0'; + Log_err( "Utl_getLn: line too long: %s", result ); + return ++p; + } + } + *result = '\0'; + return ++p; + +} + +const char * +Utl_ungetLn( const char *str, const char *p ) +{ + if ( str == p ) + return FALSE; + --p; + if ( *p != '\n' ) + { + Log_dbg( "Utl_ungetLn: not at beginning of line" ); + return NULL; + } + --p; + while ( TRUE ) + { + if ( p == str ) + return p; + if ( *p == '\n' ) + return p + 1; + --p; + } +} + +void +Utl_toLower( Str line ) +{ + char *p; + + p = line; + while ( *p ) + { + *p = tolower( *p ); + ++p; + } +} + +char * +Utl_stripWhiteSpace( char *line ) +{ + char *p; + + while ( isspace( *line ) ) + ++line; + p = line + strlen( line ) - 1; + while ( isspace( *p ) ) + { + *p = '\0'; + --p; + } + return line; +} + +void +Utl_cpyStr( Str dst, const char *src ) +{ + dst[ 0 ] = '\0'; + strncat( dst, src, MAXCHAR ); +} + +void +Utl_cpyStrN( Str dst, const char *src, size_t n ) +{ + dst[ 0 ] = '\0'; + strncat( dst, src, n ); +} + +void +Utl_stamp( Str file ) +{ + FILE *f; + time_t t; + + time( &t ); + if ( ! ( f = fopen( file, "w" ) ) ) + { + Log_err( "Could not open %s for writing (%s)", + file, strerror( errno ) ); + return; + } + fprintf( f, "%lu\n", t ); + fclose( f ); +} + +Bool +Utl_getStamp( time_t *result, Str file ) +{ + FILE *f; + + if ( ! ( f = fopen( file, "r" ) ) ) + return FALSE; + if ( fscanf( f, "%lu", result ) != 1 ) + { + Log_err( "File %s corrupted", file ); + fclose( f ); + return FALSE; + } + fclose( f ); + return TRUE; +} + +void +Utl_allocAndCpy( char **dst, const char *src ) +{ + int len = strlen( src ); + if ( ! ( *dst = (char *)malloc( len + 1 ) ) ) + { + Log_err( "Cannot allocate string with length %lu", strlen( src ) ); + exit( EXIT_FAILURE ); + } + memcpy( *dst, src, len + 1 ); +} + +Bool +Utl_matchPattern( const char *text, const char *pattern ) +{ + if ( pattern[ 0 ] == '*' && pattern[ 1 ] == '\0' ) + return TRUE; + return ( fnmatch( pattern, text, 0 ) == 0 ); +}