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-rw-r--r--builtin-mailsplit.c78
1 files changed, 54 insertions, 24 deletions
diff --git a/builtin-mailsplit.c b/builtin-mailsplit.c
index 43fc373a1..71f3b3b87 100644
--- a/builtin-mailsplit.c
+++ b/builtin-mailsplit.c
@@ -6,10 +6,10 @@
*/
#include "cache.h"
#include "builtin.h"
-#include "path-list.h"
+#include "string-list.h"
static const char git_mailsplit_usage[] =
-"git-mailsplit [-d<prec>] [-f<n>] [-b] -o<directory> <mbox>|<Maildir>...";
+"git mailsplit [-d<prec>] [-f<n>] [-b] -o<directory> [<mbox>|<Maildir>...]";
static int is_from_line(const char *line, int len)
{
@@ -45,6 +45,24 @@ static int is_from_line(const char *line, int len)
/* Could be as small as 64, enough to hold a Unix "From " line. */
static char buf[4096];
+/* We cannot use fgets() because our lines can contain NULs */
+int read_line_with_nul(char *buf, int size, FILE *in)
+{
+ int len = 0, c;
+
+ for (;;) {
+ c = getc(in);
+ if (c == EOF)
+ break;
+ buf[len++] = c;
+ if (c == '\n' || len + 1 >= size)
+ break;
+ }
+ buf[len] = '\0';
+
+ return len;
+}
+
/* Called with the first line (potentially partial)
* already in buf[] -- normally that should begin with
* the Unix "From " line. Write it into the specified
@@ -70,19 +88,19 @@ static int split_one(FILE *mbox, const char *name, int allow_bare)
* "From " and having something that looks like a date format.
*/
for (;;) {
- int is_partial = (buf[len-1] != '\n');
+ int is_partial = len && buf[len-1] != '\n';
- if (fputs(buf, output) == EOF)
+ if (fwrite(buf, 1, len, output) != len)
die("cannot write output");
- if (fgets(buf, sizeof(buf), mbox) == NULL) {
+ len = read_line_with_nul(buf, sizeof(buf), mbox);
+ if (len == 0) {
if (feof(mbox)) {
status = 1;
break;
}
die("cannot read mbox");
}
- len = strlen(buf);
if (!is_partial && !is_bare && is_from_line(buf, len))
break; /* done with one message */
}
@@ -97,24 +115,33 @@ static int split_one(FILE *mbox, const char *name, int allow_bare)
exit(1);
}
-static int populate_maildir_list(struct path_list *list, const char *path)
+static int populate_maildir_list(struct string_list *list, const char *path)
{
DIR *dir;
struct dirent *dent;
+ char name[PATH_MAX];
+ char *subs[] = { "cur", "new", NULL };
+ char **sub;
+
+ for (sub = subs; *sub; ++sub) {
+ snprintf(name, sizeof(name), "%s/%s", path, *sub);
+ if ((dir = opendir(name)) == NULL) {
+ if (errno == ENOENT)
+ continue;
+ error("cannot opendir %s (%s)", name, strerror(errno));
+ return -1;
+ }
- if ((dir = opendir(path)) == NULL) {
- error("cannot opendir %s (%s)", path, strerror(errno));
- return -1;
- }
+ while ((dent = readdir(dir)) != NULL) {
+ if (dent->d_name[0] == '.')
+ continue;
+ snprintf(name, sizeof(name), "%s/%s", *sub, dent->d_name);
+ string_list_insert(name, list);
+ }
- while ((dent = readdir(dir)) != NULL) {
- if (dent->d_name[0] == '.')
- continue;
- path_list_insert(dent->d_name, list);
+ closedir(dir);
}
- closedir(dir);
-
return 0;
}
@@ -122,19 +149,17 @@ static int split_maildir(const char *maildir, const char *dir,
int nr_prec, int skip)
{
char file[PATH_MAX];
- char curdir[PATH_MAX];
char name[PATH_MAX];
int ret = -1;
int i;
- struct path_list list = {NULL, 0, 0, 1};
+ struct string_list list = {NULL, 0, 0, 1};
- snprintf(curdir, sizeof(curdir), "%s/cur", maildir);
- if (populate_maildir_list(&list, curdir) < 0)
+ if (populate_maildir_list(&list, maildir) < 0)
goto out;
for (i = 0; i < list.nr; i++) {
FILE *f;
- snprintf(file, sizeof(file), "%s/%s", curdir, list.items[i].path);
+ snprintf(file, sizeof(file), "%s/%s", maildir, list.items[i].string);
f = fopen(file, "r");
if (!f) {
error("cannot open mail %s (%s)", file, strerror(errno));
@@ -152,10 +177,9 @@ static int split_maildir(const char *maildir, const char *dir,
fclose(f);
}
- path_list_clear(&list, 1);
-
ret = skip;
out:
+ string_list_clear(&list, 1);
return ret;
}
@@ -164,6 +188,7 @@ static int split_mbox(const char *file, const char *dir, int allow_bare,
{
char name[PATH_MAX];
int ret = -1;
+ int peek;
FILE *f = !strcmp(file, "-") ? stdin : fopen(file, "r");
int file_done = 0;
@@ -173,6 +198,11 @@ static int split_mbox(const char *file, const char *dir, int allow_bare,
goto out;
}
+ do {
+ peek = fgetc(f);
+ } while (isspace(peek));
+ ungetc(peek, f);
+
if (fgets(buf, sizeof(buf), f) == NULL) {
/* empty stdin is OK */
if (f != stdin) {