feat: add cli_parse_int64 and fix parse_float for negative values

include/cli_parse_utils.h

@@ -4,6 +4,7 @@
 #include <stdint.h>
 
 int	cli_parse_uint64(const char *s, uint64_t *out);
+int	cli_parse_int64(const char *s, int64_t *out);
 int	cli_parse_float(const char *s, float *out);
 
 #endif

src/Makefile.am

@@ -2,6 +2,8 @@ lib_LTLIBRARIES = libcli.la
 
 libcli_la_SOURCES = \
 	parse.c \
+	help.c \
+	parse_utils/parse_uint.c \
 	parse_utils/parse_int.c \
 	parse_utils/parse_float.c
 

src/parse_utils/parse_float.c

@@ -7,7 +7,7 @@ cli_parse_float(const char *s, float *out)
 {
 	char *end;
 
-	if (NULL == s || '\0' == *s || '-' == *s)
+	if (NULL == s || '\0' == *s)
 		return 1;
 
 	errno = 0;

src/parse_utils/parse_int.c

@@ -1,21 +1,22 @@
 #include <errno.h>
 #include <inttypes.h>
 #include <stddef.h>
+#include <stdint.h>
 
 int
-cli_parse_uint64(const char *s, uint64_t *out)
+cli_parse_int64(const char *s, int64_t *out)
 {
 	char *end;
 
-	if ( NULL == s || '\0' == *s || '-' == *s)
+	if (NULL == s || '\0' == *s)
 		return 1;
 
 	errno = 0;
-	const uintmax_t v = (uintmax_t)strtoumax(s, &end, 10);
+	const intmax_t v = strtoimax(s, &end, 10);
 
-	if (s == end || ERANGE == errno || '\0' != *end || v > UINT64_MAX)
+	if (s == end || ERANGE == errno || '\0' != *end || v < INT64_MIN || v > INT64_MAX)
 		return 1;
 
-	*out = (uint64_t)v;
+	*out = (int64_t)v;
 	return 0;
 }

src/parse_utils/parse_uint.c

@@ -0,0 +1,21 @@
+#include <errno.h>
+#include <inttypes.h>
+#include <stddef.h>
+
+int
+cli_parse_uint64(const char *s, uint64_t *out)
+{
+	char *end;
+
+	if ( NULL == s || '\0' == *s || '-' == *s)
+		return 1;
+
+	errno = 0;
+	const uintmax_t v = (uintmax_t)strtoumax(s, &end, 10);
+
+	if (s == end || ERANGE == errno || '\0' != *end || v > UINT64_MAX)
+		return 1;
+
+	*out = (uint64_t)v;
+	return 0;
+}