Add -ngc argument

docs/docs.md

@@ -21,6 +21,7 @@ On top of this, you can specify arguments to change the behavior of spmenu. See
 - spmenu -h height      - Set spmenu line height to height
 - spmenu -g grid        - Set the number of grids to grid
 - spmenu -gc            - Generate image cache
+- spmenu -ngc           - Don't generate image cache
 - spmenu -rw            - Enable relative input width
 - spmenu -nrw           - Disable relative input width
 - spmenu -f             - Grabs keyboard before reading stdin

libs/argv.c

@@ -73,6 +73,8 @@ readargs(int argc, char *argv[])
 		    fstrstr = cistrstr;
         } else if (!strcmp(argv[i], "-gc")) { /* generate image cache */
             generatecache = 1;
+        } else if (!strcmp(argv[i], "-ngc")) { /* don't generate image cache */
+            generatecache = 0;
 		} else if (!strcmp(argv[i], "-wm")) { /* display as managed wm window */
 				managed = 1;
 		} else if (!strcmp(argv[i], "-na")) { /* disable alpha */
@@ -281,6 +283,7 @@ usage(void)
 		  "spmenu -h <height>    Set spmenu line height to <height>\n"
 		  "spmenu -g <grid>      Set the number of grids to <grid>\n"
           "spmenu -gc            Generate image cache\n"
+          "spmenu -ngc           Don't generate image cache\n"
           "spmenu -rw            Enable relative input width\n"
           "spmenu -nrw           Disable relative input width\n"
           "spmenu -f             Grabs keyboard before reading stdin\n"

spmenu.1

@@ -53,6 +53,8 @@ spmenu -g grid - Set the number of grids to grid
 .IP \[bu] 2
 spmenu -gc - Generate image cache
 .IP \[bu] 2
+spmenu -ngc - Don\[cq]t generate image cache
+.IP \[bu] 2
 spmenu -rw - Enable relative input width
 .IP \[bu] 2
 spmenu -nrw - Disable relative input width