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squeeze.c

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00001 
00017 #include <ctype.h>
00018 #include <string.h>
00019 #include <grass/gis.h>
00020 
00021 
00022 /*
00023  * last modification: 12 aug 81, j w hamilton
00024  *
00025  * 1998-04-04  WBH
00026  *     Also squeezes out newlines -- easier to use with fgets()
00027  *
00028  * 1999-19-12 Werner Droege 
00029  *     changed line 37, line 48ff. -- return (strip_NL(line))
00030  */
00031 
00032 
00045 char *G_squeeze(char *line)
00046 {
00047     register char *f = line, *t = line;
00048     int l;
00049 
00050     /* skip over space at the beginning of the line. */
00051     while (isspace(*f))
00052         f++;
00053 
00054     while (*f)
00055         if (!isspace(*f))
00056             *t++ = *f++;
00057         else if (*++f)
00058             if (!isspace(*f))
00059                 *t++ = ' ';
00060     *t = '\0';
00061     l = strlen(line) - 1;
00062     if (*(line + l) == '\n')
00063         *(line + l) = '\0';
00064 
00065     return line;
00066 }

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