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| author | Gabor Kovesdan <gabor@FreeBSD.org> | 2011-08-17 13:56:33 +0000 |
|---|---|---|
| committer | Gabor Kovesdan <gabor@FreeBSD.org> | 2011-08-17 13:56:33 +0000 |
| commit | dab19f3084733e6d685609120d915c7cd9e5cd51 (patch) | |
| tree | f0b8dddc3cbaf2ef0b7699f444666e2a676926f3 /usr.bin/grep/grep.c | |
| parent | a6bab2362ea6963901884bf0929c54a001e79d8b (diff) | |
| download | src-dab19f3084733e6d685609120d915c7cd9e5cd51.tar.gz src-dab19f3084733e6d685609120d915c7cd9e5cd51.zip | |
- Fix handling of environmental variables when they are set to empty string
Submitted by: ttsestt@gmail.com
Approved by: re (kib), delphij (mentor)
Notes
Notes:
svn path=/head/; revision=224937
Diffstat (limited to 'usr.bin/grep/grep.c')
| -rw-r--r-- | usr.bin/grep/grep.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/usr.bin/grep/grep.c b/usr.bin/grep/grep.c index d03c13c7713f..73e1d3d3371f 100644 --- a/usr.bin/grep/grep.c +++ b/usr.bin/grep/grep.c @@ -304,7 +304,7 @@ init_color(const char *d) char *c; c = getenv("GREP_COLOR"); - return (c != NULL ? c : d); + return (c != NULL && c[0] != '\0' ? c : d); } int @@ -360,7 +360,7 @@ main(int argc, char *argv[]) /* support for extra arguments in GREP_OPTIONS */ eargc = 0; - if (eopts != NULL) { + if (eopts != NULL && eopts[0] != '\0') { char *str; /* make an estimation of how many extra arguments we have */ @@ -373,7 +373,8 @@ main(int argc, char *argv[]) eargc = 0; /* parse extra arguments */ while ((str = strsep(&eopts, " ")) != NULL) - eargv[eargc++] = grep_strdup(str); + if (str[0] != '\0') + eargv[eargc++] = grep_strdup(str); aargv = (char **)grep_calloc(eargc + argc + 1, sizeof(char *)); |