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Rewrote head to perservere when it can't open a file, and share code

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with cat.
This commit is contained in:
Matt Kraai
2000-09-27 04:09:22 +00:00
parent e7c1af1e0d
commit c0321f9bc6
5 changed files with 107 additions and 105 deletions
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20
utility.c
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@@ -1634,12 +1634,14 @@ extern void print_file(FILE *file)
extern int print_file_by_name(char *filename)
{
FILE *file;
file = fopen(filename, "r");
if (file == NULL) {
if ((file = wfopen(filename, "r")) == NULL)
return FALSE;
print_file(file);
if (errno) {
errorMsg("%s: %s\n", filename, strerror(errno));
errno = 0;
return FALSE;
}
print_file(file);
return TRUE;
}
#endif /* BB_CAT */
@@ -1719,6 +1721,18 @@ void xregcomp(regex_t *preg, const char *regex, int cflags)
}
#endif
#if defined BB_CAT || defined BB_HEAD
FILE *wfopen(const char *path, const char *mode)
{
FILE *fp;
if ((fp = fopen(path, mode)) == NULL) {
errorMsg("%s: %s\n", path, strerror(errno));
errno = 0;
}
return fp;
}
#endif
#if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE || defined BB_SED || defined BB_SH || defined BB_UNIQ || defined BB_WC
FILE *xfopen(const char *path, const char *mode)
{