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| author | smpatel <smpatel@FreeBSD.org> | 1996-04-22 18:37:22 +0000 |
|---|---|---|
| committer | smpatel <smpatel@FreeBSD.org> | 1996-04-22 18:37:22 +0000 |
| commit | 791bb4af0afd9a27ef286b6bed0bf5f610e849b4 (patch) | |
| tree | 305213cdcdd602048e836ae848baa5129250f65c /usr.bin/fmt | |
| parent | 7b5dbe22eca16e99a433ce4d5a9b2194c763e1ce (diff) | |
| download | FreeBSD-src-791bb4af0afd9a27ef286b6bed0bf5f610e849b4.zip FreeBSD-src-791bb4af0afd9a27ef286b6bed0bf5f610e849b4.tar.gz | |
Fix a segfault which occurs when it gets an empty input line.
Closes PR bin/1153
Reviewed by: smpatel
Submitted by: Matthew C. Mead (mmead@Glock.COM)
Diffstat (limited to 'usr.bin/fmt')
| -rw-r--r-- | usr.bin/fmt/fmt.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/usr.bin/fmt/fmt.c b/usr.bin/fmt/fmt.c index cba6456..4bd1a7f 100644 --- a/usr.bin/fmt/fmt.c +++ b/usr.bin/fmt/fmt.c @@ -172,7 +172,6 @@ fmt(fi) *cp++ = c; c = getc(fi); } - *cp = '\0'; /* * Toss anything remaining on the input line. @@ -180,6 +179,14 @@ fmt(fi) while (c != '\n' && c != EOF) c = getc(fi); + if (cp != NULL) { + *cp = '\0'; + } else { + putchar('\n'); + c = getc(fi); + continue; + } + /* * Expand tabs on the way to canonb. */ |
