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authorJunio C Hamano <gitster@pobox.com>2011-11-23 13:28:53 -0800
committerJunio C Hamano <gitster@pobox.com>2011-11-23 13:28:53 -0800
commit3686aa1caf907d22fe318c28efe93f0e7870ba50 (patch)
treef99a303bd14c7343be7ccc5b9df5382f1bf79246 /alias.c
parentaa2577a9c3bd5559bd580feca6edec4d70254adc (diff)
parent1e501a7c47ad5ada53d3b1acfb9f131f76e969ec (diff)
downloadgit-tj/maint-imap-send-remove-unused.tar.gz
Merge branch 'maint' into tj/imap-send-remove-unusedtj/maint-imap-send-remove-unused
* maint: (18123 commits) documentation fix: git difftool uses diff tools, not merge tools. Git 1.7.7.4 Makefile: add missing header file dependencies notes merge: eliminate OUTPUT macro mailmap: xcalloc mailmap_info name-rev --all: do not even attempt to describe non-commit object Git 1.7.7.3 docs: Update install-doc-quick docs: don't mention --quiet or --exit-code in git-log(1) Git 1.7.7.2 t7511: avoid use of reserved filename on Windows. clone: Quote user supplied path in a single quote pair read-cache.c: fix index memory allocation make the sample pre-commit hook script reject names with newlines, too Reindent closing bracket using tab instead of spaces Git 1.7.7.1 RelNotes/1.7.7.1: setgid bit patch is about fixing "git init" via Makefile setting gitweb: fix regression when filtering out forks Almost ready for 1.7.7.1 pack-objects: don't traverse objects unnecessarily ... Conflicts: imap-send.c
Diffstat (limited to 'alias.c')
-rw-r--r--alias.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/alias.c b/alias.c
new file mode 100644
index 0000000000..eb9f08b912
--- /dev/null
+++ b/alias.c
@@ -0,0 +1,87 @@
+#include "cache.h"
+
+static const char *alias_key;
+static char *alias_val;
+
+static int alias_lookup_cb(const char *k, const char *v, void *cb)
+{
+ if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) {
+ if (!v)
+ return config_error_nonbool(k);
+ alias_val = xstrdup(v);
+ return 0;
+ }
+ return 0;
+}
+
+char *alias_lookup(const char *alias)
+{
+ alias_key = alias;
+ alias_val = NULL;
+ git_config(alias_lookup_cb, NULL);
+ return alias_val;
+}
+
+#define SPLIT_CMDLINE_BAD_ENDING 1
+#define SPLIT_CMDLINE_UNCLOSED_QUOTE 2
+static const char *split_cmdline_errors[] = {
+ "cmdline ends with \\",
+ "unclosed quote"
+};
+
+int split_cmdline(char *cmdline, const char ***argv)
+{
+ int src, dst, count = 0, size = 16;
+ char quoted = 0;
+
+ *argv = xmalloc(sizeof(char *) * size);
+
+ /* split alias_string */
+ (*argv)[count++] = cmdline;
+ for (src = dst = 0; cmdline[src];) {
+ char c = cmdline[src];
+ if (!quoted && isspace(c)) {
+ cmdline[dst++] = 0;
+ while (cmdline[++src]
+ && isspace(cmdline[src]))
+ ; /* skip */
+ ALLOC_GROW(*argv, count+1, size);
+ (*argv)[count++] = cmdline + dst;
+ } else if (!quoted && (c == '\'' || c == '"')) {
+ quoted = c;
+ src++;
+ } else if (c == quoted) {
+ quoted = 0;
+ src++;
+ } else {
+ if (c == '\\' && quoted != '\'') {
+ src++;
+ c = cmdline[src];
+ if (!c) {
+ free(*argv);
+ *argv = NULL;
+ return -SPLIT_CMDLINE_BAD_ENDING;
+ }
+ }
+ cmdline[dst++] = c;
+ src++;
+ }
+ }
+
+ cmdline[dst] = 0;
+
+ if (quoted) {
+ free(*argv);
+ *argv = NULL;
+ return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
+ }
+
+ ALLOC_GROW(*argv, count+1, size);
+ (*argv)[count] = NULL;
+
+ return count;
+}
+
+const char *split_cmdline_strerror(int split_cmdline_errno) {
+ return split_cmdline_errors[-split_cmdline_errno-1];
+}