diff options
Diffstat (limited to 'wrapper.c')
| -rw-r--r-- | wrapper.c | 59 |
1 files changed, 47 insertions, 12 deletions
@@ -2,6 +2,7 @@ * Various trivial helper wrappers around standard functions */ #include "cache.h" +#include "config.h" static void do_nothing(size_t size) { @@ -418,6 +419,32 @@ FILE *fopen_for_writing(const char *path) return ret; } +static void warn_on_inaccessible(const char *path) +{ + warning_errno(_("unable to access '%s'"), path); +} + +int warn_on_fopen_errors(const char *path) +{ + if (errno != ENOENT && errno != ENOTDIR) { + warn_on_inaccessible(path); + return -1; + } + + return 0; +} + +FILE *fopen_or_warn(const char *path, const char *mode) +{ + FILE *fp = fopen(path, mode); + + if (fp) + return fp; + + warn_on_fopen_errors(path); + return NULL; +} + int xmkstemp(char *template) { int fd; @@ -542,7 +569,7 @@ static int warn_if_unremovable(const char *op, const char *file, int rc) if (!rc || errno == ENOENT) return 0; err = errno; - warning_errno("unable to %s %s", op, file); + warning_errno("unable to %s '%s'", op, file); errno = err; return rc; } @@ -556,7 +583,7 @@ int unlink_or_msg(const char *file, struct strbuf *err) if (!rc || errno == ENOENT) return 0; - strbuf_addf(err, "unable to unlink %s: %s", + strbuf_addf(err, "unable to unlink '%s': %s", file, strerror(errno)); return -1; } @@ -576,15 +603,10 @@ int remove_or_warn(unsigned int mode, const char *file) return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file); } -void warn_on_inaccessible(const char *path) -{ - warning_errno(_("unable to access '%s'"), path); -} - static int access_error_is_ok(int err, unsigned flag) { - return err == ENOENT || err == ENOTDIR || - ((flag & ACCESS_EACCES_OK) && err == EACCES); + return (is_missing_file_error(err) || + ((flag & ACCESS_EACCES_OK) && err == EACCES)); } int access_or_warn(const char *path, int mode, unsigned flag) @@ -630,10 +652,10 @@ int xsnprintf(char *dst, size_t max, const char *fmt, ...) void write_file_buf(const char *path, const char *buf, size_t len) { int fd = xopen(path, O_WRONLY | O_CREAT | O_TRUNC, 0666); - if (write_in_full(fd, buf, len) != len) - die_errno(_("could not write to %s"), path); + if (write_in_full(fd, buf, len) < 0) + die_errno(_("could not write to '%s'"), path); if (close(fd)) - die_errno(_("could not close %s"), path); + die_errno(_("could not close '%s'"), path); } void write_file(const char *path, const char *fmt, ...) @@ -655,3 +677,16 @@ void sleep_millisec(int millisec) { poll(NULL, 0, millisec); } + +int xgethostname(char *buf, size_t len) +{ + /* + * If the full hostname doesn't fit in buf, POSIX does not + * specify whether the buffer will be null-terminated, so to + * be safe, do it ourselves. + */ + int ret = gethostname(buf, len); + if (!ret) + buf[len - 1] = 0; + return ret; +} |