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Diffstat (limited to 'alias.c')
-rw-r--r--alias.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/alias.c b/alias.c
index ccb1108c94..eb9f08b912 100644
--- a/alias.c
+++ b/alias.c
@@ -22,12 +22,19 @@ char *alias_lookup(const char *alias)
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);
+ *argv = xmalloc(sizeof(char *) * size);
/* split alias_string */
(*argv)[count++] = cmdline;
@@ -38,10 +45,7 @@ int split_cmdline(char *cmdline, const char ***argv)
while (cmdline[++src]
&& isspace(cmdline[src]))
; /* skip */
- if (count >= size) {
- size += 16;
- *argv = xrealloc(*argv, sizeof(char*) * size);
- }
+ ALLOC_GROW(*argv, count+1, size);
(*argv)[count++] = cmdline + dst;
} else if (!quoted && (c == '\'' || c == '"')) {
quoted = c;
@@ -56,7 +60,7 @@ int split_cmdline(char *cmdline, const char ***argv)
if (!c) {
free(*argv);
*argv = NULL;
- return error("cmdline ends with \\");
+ return -SPLIT_CMDLINE_BAD_ENDING;
}
}
cmdline[dst++] = c;
@@ -69,9 +73,15 @@ int split_cmdline(char *cmdline, const char ***argv)
if (quoted) {
free(*argv);
*argv = NULL;
- return error("unclosed quote");
+ 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];
+}