diff options
Diffstat (limited to 'src/util.c')
| -rw-r--r-- | src/util.c | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -1,7 +1,7 @@ /* * util.c * - * Copyright (c) 2002-2004 by Judd Vinet <jvinet@zeroflux.org> + * Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org> * * 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 @@ -281,12 +281,22 @@ char* strtoupper(char *str) char* trim(char *str) { char *pch = str; + + if(*str == '\0') + /* string is empty, so we're done. */ + return(str); + while(isspace(*pch)) { pch++; } if(pch != str) { memmove(str, pch, (strlen(pch) + 1)); } + + /* check if there wasn't anything but whitespace in the string. */ + if(*str == '\0') { + return(str); + } pch = (char*)(str + (strlen(str) - 1)); while(isspace(*pch)) { @@ -294,7 +304,7 @@ char* trim(char *str) } *++pch = '\0'; - return str; + return(str); } /* A cheap grep for text files, returns 1 if a substring |