cmdline: support parsing of 64-bit values

[libcmdline.git] / src / lib / cmdline_parse_num.c

diff --git a/src/lib/cmdline_parse_num.c b/src/lib/cmdline_parse_num.c
index 1332efc..f6eeb8b 100644 (file)
--- a/src/lib/cmdline_parse_num.c
+++ b/src/lib/cmdline_parse_num.c
@@ -102,22 +102,22 @@ enum num_parse_state_t {
 
 /* Keep it sync with enum in .h */
 static const char * num_help[] = {
-       "UINT8", "UINT16", "UINT32",
-       "INT8", "INT16", "INT32",
+       "UINT8", "UINT16", "UINT32", "UINT64",
+       "INT8", "INT16", "INT32", "INT64",
 #ifdef CMDLINE_HAVE_FLOAT
        "FLOAT",
 #endif
 };
 
 static inline int
-add_to_res(unsigned int c, uint32_t *res, unsigned int base)
+add_to_res(unsigned int c, uint64_t *res, unsigned int base)
 {
        /* overflow */
-       if ( (UINT32_MAX - c) / base < *res ) {
+       if ( (UINT64_MAX - c) / base < *res ) {
                return -1;
        }
 
-       *res = *res * base + c ;
+       *res = (uint64_t) (*res * base + c);
        return 0;
 }
 
@@ -130,9 +130,9 @@ cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res)
        enum num_parse_state_t st = START;
        const char * buf = srcbuf;
        char c = *buf;
-       uint32_t res1 = 0;
+       uint64_t res1 = 0;
 #ifdef CMDLINE_HAVE_FLOAT
-       uint32_t res2 = 0, res3 = 1;
+       uint64_t res2 = 0, res3 = 1;
 #endif
 
        memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
@@ -389,6 +389,11 @@ cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res)
                                *(uint32_t *)res = (uint32_t) res1;
                        return (buf-srcbuf);
                }
+               else if ( nd.type == UINT64 ) {
+                       if (res)
+                               *(uint64_t *)res = res1;
+                       return (buf-srcbuf);
+               }
 #ifdef CMDLINE_HAVE_FLOAT
                else if ( nd.type == FLOAT ) {
                        if (res)