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| author | cracauer <cracauer@FreeBSD.org> | 1999-11-29 19:11:01 +0000 |
|---|---|---|
| committer | cracauer <cracauer@FreeBSD.org> | 1999-11-29 19:11:01 +0000 |
| commit | 903b2c868c14cd85dd3b2e2675969b9cb17f94ea (patch) | |
| tree | 6ca499c12c2fb731744e3f10743e0e08fdad94e3 /bin/sh/mknodes.c | |
| parent | 80af32c97b108dacf6028b29ecae08e5da839113 (diff) | |
| download | FreeBSD-src-903b2c868c14cd85dd3b2e2675969b9cb17f94ea.zip FreeBSD-src-903b2c868c14cd85dd3b2e2675969b9cb17f94ea.tar.gz | |
Include strerror(errno) in error messages after failed system calls.
Fix a warning.
Diffstat (limited to 'bin/sh/mknodes.c')
| -rw-r--r-- | bin/sh/mknodes.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/bin/sh/mknodes.c b/bin/sh/mknodes.c index 615668b..007cb32 100644 --- a/bin/sh/mknodes.c +++ b/bin/sh/mknodes.c @@ -56,6 +56,7 @@ static const char rcsid[] = #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <errno.h> #ifdef __STDC__ #include <stdarg.h> #else @@ -123,7 +124,7 @@ main(argc, argv) if (argc != 3) error("usage: mknodes file"); if ((infp = fopen(argv[1], "r")) == NULL) - error("Can't open %s", argv[1]); + error("Can't open %s: %s", argv[1], strerror(errno)); while (readline()) { if (line[0] == ' ' || line[0] == '\t') parsefield(); @@ -232,9 +233,9 @@ output(file) char *p; if ((patfile = fopen(file, "r")) == NULL) - error("Can't open %s", file); + error("Can't open %s: %s", file, strerror(errno)); if ((hfile = fopen("nodes.h", "w")) == NULL) - error("Can't create nodes.h"); + error("Can't create nodes.h: %s", strerror(errno)); if ((cfile = fopen("nodes.c", "w")) == NULL) error("Can't create nodes.c"); fputs(writer, hfile); |
