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fileops.c: Move to new error handling mechanism

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This commit is contained in:
Jakob Pfender 2011-05-17 18:02:08 +02:00 committed by Vicent Marti
parent f6328611dc
commit cc2ac058b3
1 changed files with 18 additions and 16 deletions
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34
src/fileops.c
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@ -36,32 +36,32 @@ int gitfo_mktemp(char *path_out, const char *filename)
/* FIXME: there may be race conditions when multi-threading
* with the library */
if (_mktemp_s(path_out, GIT_PATH_MAX) != 0)
return GIT_EOSERR;
return git__throw(GIT_EOSERR, "Failed to make temporary file %s", path_out);
fd = gitfo_creat(path_out, 0744);
#else
fd = mkstemp(path_out);
#endif
return fd >= 0 ? fd : GIT_EOSERR;
return fd >= 0 ? fd : git__throw(GIT_EOSERR, "Failed to create temporary file %s", path_out);
}
int gitfo_open(const char *path, int flags)
{
int fd = open(path, flags | O_BINARY);
return fd >= 0 ? fd : GIT_EOSERR;
return fd >= 0 ? fd : git__throw(GIT_EOSERR, "Failed to open %s", path);
}
int gitfo_creat(const char *path, int mode)
{
int fd = open(path, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode);
return fd >= 0 ? fd : GIT_EOSERR;
return fd >= 0 ? fd : git__throw(GIT_EOSERR, "Failed to create file. Could not open %s", path);
}
int gitfo_creat_force(const char *path, int mode)
{
if (gitfo_mkdir_2file(path) < GIT_SUCCESS)
return GIT_EOSERR;
return git__throw(GIT_EOSERR, "Failed to create file %s", path);
return gitfo_creat(path, mode);
}
@ -74,11 +74,11 @@ int gitfo_read(git_file fd, void *buf, size_t cnt)
if (r < 0) {
if (errno == EINTR || errno == EAGAIN)
continue;
return GIT_EOSERR;
return git__throw(GIT_EOSERR, "Failed to read from file");
}
if (!r) {
errno = EPIPE;
return GIT_EOSERR;
return git__throw(GIT_EOSERR, "Failed to read from file");
}
cnt -= r;
b += r;
@ -94,11 +94,11 @@ int gitfo_write(git_file fd, void *buf, size_t cnt)
if (r < 0) {
if (errno == EINTR || errno == EAGAIN)
continue;
return GIT_EOSERR;
return git__throw(GIT_EOSERR, "Failed to write to file");
}
if (!r) {
errno = EPIPE;
return GIT_EOSERR;
return git__throw(GIT_EOSERR, "Failed to write to file");
}
cnt -= r;
b += r;
@ -112,7 +112,7 @@ int gitfo_isdir(const char *path)
int len, stat_error;
if (!path)
return GIT_ENOTFOUND;
return git__throw(GIT_ENOTFOUND, "No path given to gitfo_isdir");
len = strlen(path);
@ -128,10 +128,10 @@ int gitfo_isdir(const char *path)
}
if (stat_error < GIT_SUCCESS)
return GIT_ENOTFOUND;
return git__throw(GIT_ENOTFOUND, "%s does not exist", path);
if (!S_ISDIR(st.st_mode))
return GIT_ENOTFOUND;
return git__throw(GIT_ENOTFOUND, "%s is not a file", path);
return GIT_SUCCESS;
}
@ -146,7 +146,7 @@ git_off_t gitfo_size(git_file fd)
{
struct stat sb;
if (gitfo_fstat(fd, &sb))
return GIT_EOSERR;
return git__throw(GIT_EOSERR, "Failed to get size of file. File missing or corrupted");
return sb.st_size;
}
@ -160,7 +160,7 @@ int gitfo_read_file(gitfo_buf *obj, const char *path)
assert(obj && path && *path);
if ((fd = gitfo_open(path, O_RDONLY)) < 0)
return GIT_ERROR;
return git__throw(GIT_ERROR, "Failed to open %s for reading", path);
if (((size = gitfo_size(fd)) < 0) || !git__is_sizet(size+1)) {
gitfo_close(fd);
@ -287,6 +287,8 @@ int gitfo_flush_cached(gitfo_cache *ioc)
ioc->pos = 0;
}
if (result < GIT_SUCCESS)
return git__rethrow(result, "Failed to flush cache");
return result;
}
@ -325,7 +327,7 @@ int gitfo_close_cached(gitfo_cache *ioc)
git_file fd;
if (gitfo_flush_cached(ioc) < GIT_SUCCESS)
return GIT_ERROR;
return git__throw(GIT_ERROR, "Failed to close cache. Could not flush cache");
fd = ioc->fd;
free(ioc->cache);
@ -472,7 +474,7 @@ static int retrieve_previous_path_component_start(const char *path)
offset--;
if (offset < root_offset)
return GIT_ERROR;
return git__throw(GIT_ERROR, "Failed to retrieve path component. Wrong offset");
while (offset > start && path[offset-1] != '/') {
offset--;